Isotope Explorer Users Manual
Contents
1. 19 Vil Plot Mode The program can produce two dimensional plots of selected quantities with the command AddView Plot The quantities plotted will depend on the current level selection If no levels are selected a plot showing the distribution of level energies versus spin will be drawn 5000 4000 E 3000 2000 1000 By clicking the I on the horizontal axis and selecting I l 1 the distribution is plotted against I l 1 The scale on any axis can be manually selected with a dialog box which appears when you click on any of the axes If bands have been selected a band plot will be generated 5000 4000 E 3000 2000 1000 0 100 200 300 400 500 600 I I 1 Here two bands the G band and the S band were selected For band plots the following axis variables are available Horizontal axis 1 the frequency o and o Vertical axis Excitation energy first moment of inertia second moment of inertia 2 77 and 2 20 Vill Editor Mode Displays the selected ENSDF database file in a text editor FIND command available to locate specific text strings IX The Chart Interface The chart interface serves a dual purpose as 1 An alternative user interface for selecting nuclides bands etc 2 A general tool for generating nuclear charts Combined with the script language described in Section X it provides a very powerful tool for displaying systematic trends of nuclear properties producing cu2. E is the gamma ray energy ELI ELF are the initial and final level energies JPII JPIF are the initial and final level spin parities RI is the relative intensity If uncertainty is required add D to the key e g ED RID KeepLines Not implemented LevelOut E JPI J J 1 T Output the given quantities to the chart where E is the level energy JPI is the spin parity of the level J J 1 is the spin squared T is the half life if uncertainty is required add D to the key e g ED TD Nucleus filter1 filter2 A Z N filter For example a 50 a 50 100 a 50 z 102 even a odd z etc If this command is absent all nuclides in the Chart section or Data file will be processed OutToFile FileName 27 When a chart is built the output can be redirected to a file with the name given in brackets If this command is missing the output will be stored in the chart memory and can be saved to a disk file by selecting Chart Save as SelectBand All or Yrast or GS or SD The default database is ENSDF the default data set is the first data set for the nuclide SelectDS All or Decay or B Decay or EC Decay or NGThermal Select data sets of the specified type this command must be followed by a DSOut command Examples 1 For A 100 200 and the ENSDF database find gammas with energy in the range 1200 1250 keV Output the gamma ray energy initial level energy and spin parity of the initial and final levels to the chart and
3. Not yet implemented Open chart Open an existing chart Open local file Open a local data file Save as Not yet implemented Close Close the active window Print Print the current view Print preview Print preview the current view Printer setup Change printer or properties of the current printer ve Open recently used files Exit Exit Isotope Explorer Edit menu Undo Undo the last operation Ez Set Scale Set the vertical scale Set Layer Set layer for gamma display Operation menu Coincidence Display coincidences with the selected gamma s Set Energy Gate Set an energy gate for the coincidences Logical operations Perform logical operations with the spectra Data menu Select Data Set Select a dataset in the current file Reset selection to all levels Deselect band and level selections Select Levels Bring up the level selection panel see Selecting levels Select Band s Bring up the bands selection panel see Selecting bands AddView menu Level Scheme Display the level scheme of current selection Table Display the table of current selection Plot Plot the current selection Editor View input ENSDF file in a text editor Configuration menu Save the size of the current view Save the font sizes width etc to the file IsoExpl INI Set level font size Set the font size of energy and spin parity labels Set gamma font size Set th
4. Window Maximized yes no XYHW 1 1 429 624 Recent Files NumberOfFiles 0 6 Number of recently used files Filet filename Name of recently used file 33
5. defined as gt lt Otherwise returns 0 IsDef Parameter Returns 1 if parameter is defined for this nuclide Otherwise returns 0 EQ argument1 argument2 If argument is equal to argument2 returns 1 Otherwise returns 0 GE argument1 argument2 If argument is greater than or equal to argument2 returns 1 Otherwise returns 0 LE argument1 argumenit2 If argument is smaller than or equal to argumeni2 returns 1 Otherwise returns 0 29 GT argument1 argument2 If argument is greater than argument2 returns 1 Otherwise returns 0 LT argument1 argument2 If argument is smaller than argument2 returns 1 Otherwise returns 0 Rules 3 4 Examples 1 30 If a parameter s name contains nonalphanumeric characters it must be contained in double quotes a parameter name qb Optionally the parameter can be preceded by an N Z offset or a database name so that the value of the parameter is taken from a neighboring nuclide or another database For example if the parameter mass is defined in the database Moller moller 1 0 mass the result is the mass for the N 1 Z neighboring nuclide from the Moller database Spaces between operators are ignored If a line ends with the character the line will be merged with the following line If A is uncertain set it to 500 Def myvar1 if isqm A 500 a FindOut myvar1 Calculate the nuclide mass mass0 from the Weizacker mass formula Get the
6. experimental mass mass from the TOI database def Z nuclZ def A nuclA N def av 1 4 1 def as 13 def ac 0 595 deraa 19 def Delta ap A 3 4 If Even A If Even Z 1 1 0 def mass0 Z 938 767 N 939 549 av A as A 2 3 ac Z2 A 1 3 aa A 2 Z 2 A Delta FindOut mass0 FindOut mass Chart User Interface The chart mode can be used as a user interface to select the data to be displayed To activate the chart user interface a section like the following should be included in the build section of the chart file comments after BUILD DataBase Ensdf define database SelectDS decay select decay data sets dsout output list of data sets to chart Display level Idisplay level plot of selected data set END BUILD The Data Files Chart data can also be made available to Isotope Explorer as data files with the extension DAT See the file toi dat for the required format XI Literature References Provided the NSR files are available to Isotope Explorer on disk or via the Internet Isotope Explorer can decode the NSR keynumbers in the ENSDF file 70Re08 75Pr05 63Ki18 User Select Some data sets contain keynumbers on the ID card identification card or the first card of a data set The references corresponding to these keynumbers are the main references for data in the data set Reference keynumbers may also be contained in data comments Isotope Explorer scans each data s
7. iconized windows at the bottom of the main window Close All Close all open windows sabes List of currently opened windows 23 Help menu About Isotope Explorer version and author information etc a Report problem Requires network connection Allows the user to report problems with Isotope Explorer or databases directly to the LBNL server Isotope Explorer news Requires network connection Latest news about the program and databases Help Isotope Explorer Help function The Tool Bar 24 The following items from left to right are active Open an existing chart file Chart Get nuclide data i Nucleus Get reference not yet available zi Rebuilds chart used when a new chart has been opened Build D my Set size of the nuclide box in nuclear chart wo gA o T Increase size of the nuclide box in the nuclear chart Decrease size of the nuclide box in the nuclear chart Brings up a menu for selecting which data should be loaded into the chart When selection panel is closed with OK the chart is rebuilt Select Field Brings up a menu to determine the color scheme lower upper limit whether or not both limits are entered linear or logarithmic scale Linear Lo Toggle When this mode is on the decay chain of a selected nuclide is displayed r Toggle Display the navigation window About Isotope Explorer version information Isotope Explorer h
8. location A D Exch Exchange current gate with gate in memory location A D Reset Reset current gate to display all gammas Gate Set energy gate Coin Calculate coincidences with currently marked gamma s Undo Undo last operation OK Close logical operations box A gate is entered into memory A as follows 1 Click on the gating gamma s The selected gamma s will turn purple Click the button 3 Select AND or OR and click OK The gating gammas are shown in blue purple if they are in the gate and coincident gammas are shown in red Select Operation Logical operations The top panel will now contain a description of the gating condition Store this gating condition and the resulting spectrum by clicking Store then A Oo The following simple example illustrates the use of logical operations The initial decay scheme is shown below A Pi a P 4 yy 4 a 2505 765 amp 2158 64 The following table shows the results of gating on the 347 and 826 keV transitions It can be seen that since the two transitions are in coincidence the result of double coincidences either And or Or is identical to the result of logical operations on the gated spectra O J Singes Com Double Coin Logical operations Egamma __ 347 826 no r m or p 3 1 1 1 1 1 The second table shows the results of gating on the 347 and 1173 keV transitions It can be seen that since the two transitions are not in coincidence the r
9. menu Get Reference Decode NSR Keynumber search for NSR Authors Ref Select Nucleus Get nuclide data Nucleus New chart Not yet implemented Open chart Open an existing chart Open local file Open a local data file Save as Not yet implemented Close Close the active window Print Print current view Print preview Print preview current view Page setup Change printer or properties of current printer Include on Page annotate printed page with page numbers dataset name and date stamp ed Open recently used files Exit Exit Isotope Explorer 16 Data menu Select Data Set Select data set in the current file Reset selection to all levels Deselect band and level selections Select Levels Bring up the level selection panel see Selecting levels Select Band s Bring up the bands selection panel see Selecting bands Table menu General comments Toggle activate to display general comments Footnotes Toggle activate to display footnotes Xreferences Toggle levels only activate to display cross index to reactions where the level is populated Level Display level table Gamma Display gamma table Beta Display table Alpha Display table EC Display EC B table Column width mode Toggle activate to minimize spacing between columns Sorting menu Select quantity on which the table should be sorted Quantities not relev
10. objects eit ez Show no gammas Select hand cursor for moving display Show all gammas Show next higher layer of gammas Show next lower layer of gammas BH W S Show parent level data for decay data sets P Show data legend for decay data sets L Tool Bar continued Display coincidences with selected About Isotope Explorer version information gamma s Get literature references for dataset Isotope Explorer help Ref Manipulation of Display Drawings For a complex decay scheme it may be difficult to see which gammas populate and depopulate a level In order to facilitate this there is a level selection option Control click on the level energy with the arrow cursor and the level 613 84 in the figure below is then shown in blue with only transitions feeding or depopulating the level displayed 6 2070 98 Ta i a 6 1944 57 5 1 ps 1 2 3 ee 1840 6 N b a 1781 87 a 4 T 1750 64 1 2 9 1452 8 CH jna _ 1448 2 2 oar g 1313 7 4 1261 18 10 6 ps 3 m 1227 74 0 0 2338h Clicking on a level without pressing the control key will select that level This feature will be used in later implementations Gammas can also be selected by clicking on them with the arrow cursor Gammas selected in this way may be used for examining coincidence relationships Selected gammas or levels are deselected by clicking on them again Any selection is reset by clicking on an area of
11. the level scheme drawing away from the levels and gammas The previous state can always be obtained with the Undo button Ez Shortcuts All supported commands are available as entries to the menu bar Some of the most commonly used commands are also available in the tool bar In addition there are useful mouse shortcuts that are described below Click on a gamma The gamma is selected and shown in purple Click on a level The level is selected and shown in blue Ctrl click on a level Highlight the level in blue and show only populating and depopulating gammas Click on selected gamma or level Deselect gamma or level Click on empty part of drawing area Deselect all gammas and levels Click anywhere with the right mouse button Open the band levels selection panel Operation Coincidence The simplest way to show coincidences is to select one or more gating gammas with the arrow cursor and click the coincidence button The user is asked to specify the type of coincidence And or Or if more than one gamma has been selected The time window specifies the maximum level half life for which gammas feeding from above are defined to be coincident with deexciting gammas Coincidence Ed And Or Cancel Upon clicking OK the program displays all gammas in the current decay scheme that are in coincidence with the selected gamma s within the specified time gate Coincident gammas are displayed in red a
12. to produce custom charts General Rules e Any text between and the end of a line is treated as a comment e Case is ignored Command Language 26 BandOut Output band labels for all selected data sets ColorAccordingTo parameter Define which parameter should be used for color coding the chart Database database dat The name of database can be TOI Moller or databasename 1 The TOI and Moller databases contain experimental and theoretical ground state properties of the nuclides respectively TOI is the default database 2 The user can supply a simple text file database see toi dat for an example The file extension must be dat and the user file name appears in place of databasename Def parame See the section on predefined parameter functions below Display Draw or Table or Plot A left click on a nuclide box shows the list of the data types If the list includes datasets or bands the user can select a band or a data set to display by clicking The display type selected by this command will be opened DSOut Output data set names for selected datasets EnsdfDB ENSDF or PENSDF or SENSDF or EHSDF or EDDF To search on level or gamma properties the user must select an ENSDF format database The default database is ENSDF but there are five databases to choose from 1 ENSDF is the Evaluated Nuclear Structure Data File It contains complete level and transition information for each nuclide 2 PENSDF databa
13. to the file test out nucleus a 100 200 database ensdf outtofile test out findgamma e 1 200 1250 gammaout e eli jpii jpif Result first few lines from the file test out 100Y Z 39 2 1241 66 1340 74 1240 12 1412 14 3 100Zr Z 40 1 1228 99 1441 44 1 2 24 2 For the SENSDF database with A 80 200 select superdeformed bands and output the band labels to the chart When a band is selected a band plot is shown DataBase SEnsdf Nucleus A 80 200 SelectBand sd BandOut Display Plot Predefined Functions Even argument Odd argument Returns 1 if argumentis an even integer odd integer Otherwise returns 0 Sqrt argument Exp argument Log argument Log10 argument Returns values of the corresponding Fortran functions 28 Sin argument Cos argumenit Tan argument Returns values of the corresponding Fortran functions Asin argument Acos argument Atan argumenit Atan2 argument1 argument2 Returns values of the corresponding Fortran functions Pi Returns 3 141592653 NuclA NuclZ NuciN Returns A Z N for the nuclide lf condition YesValue NoValue Returns YesValue if condition is not equal to 0 Otherwise returns NoValue Val parameter Returns value of parameter if it is defined Otherwise returns 0 IsQM parameter Returns 1 if value of parameter contains a Otherwise returns 0 IsGT parameter IsLT Parameter IsAP Parameter IsEQ Parameter Returns 1 if value of parameter
14. HORSO LIS which is transferred from the server These files should be deleted at regular intervals They are automatically replaced by new files provided by the server Security Since Isotope Explorer can transfer files via the Internet it is prudent to ask whether viruses can be transferred this way Although nothing can be absolutely certain the Isotope Explorer is as safe as most Web browsers Here are some facts that may allow you to judge the security e All files are transferred as ASCII files which cannot carry viruses e No hidden information is sent from the client to a server All hardware software information sent with a bug report Help Report problem is visible to the user and can be edited if the user desires The ISOEXPL INI File Most program parameters can be changed in Isotope Explorer with the Configuration menu If requested these values are saved for the next Isotope Explorer session in the ISOEXPL INI file in the program directory This file consists of several named sections which contain a parameter name and its value separated by an equals sign The following is a partial parameter table Section Parameter name Value Meaning General Debug 0 1 Debug mode off on CWD C V ISOEXPL Program directory ENSDF database UselnternetDB yes no Internet local ENSDF data CatalogDir E PCENSDF ENSDF data directory NSR DATABASE UselnternetNSR yes no Internet local NSR data NSRDir E NSR NSR data directory Setup
15. Isotope Explorer Users Manual ___ S amp Y F Chu R B Firestone and L P Ekstr m Isotopes Project Lawrence Berkeley National Laboratory Berkeley CA Department of Physics Lund University Sweden Isotope Explorer Version 2 0 January 1998 CONTENTS I Introduction ll Installation of Isotope Explorer lll Getting Started A Reading Nuclide Data B Viewing Data IV Accessing Data A Internet Transfer B Data from Local Disk or the Table of Isotopes CD ROM C Isotope Explorer as Helper Application to a Web Browser V Level Scheme Mode The Menu Bar The Tool Bar Manipulation of Display Drawings Shortcuts Operation Coincidence Operation Set Energy Gate Operation Logical Operation Data Select Band s Data Selecting Levels VI Table Mode A The Menu Bar B The Tool Bar C Controlling Table Appearance VII Plot Mode Vill Editor Mode IX The Chart Interface A The Menu Bar B The Tool Bar C The Chart Files X The Script Language A General Rules B Command Language C Examples D Predefined Functions 1 Rules 2 Examples E Chart User Interface F The Data Files XI Literature References XII Preview and Printing XIII Technical Issues A Data Transfer B Security C The ISOEXPL INI File IOMMNOOW YS l Introduction The Isotope Explorer previously called VUENSDF is a 32 bit Windows program for retrieving displaying listing manipulating and searching nuclear structure and decay data Info
16. ant for selection are grayed out AddView menu Level Scheme Display level scheme of current selection Table Display table of current selection Plot Plot current selection Editor Not yet implemented Configuration menu Save the size of the current view Save font sizes width etc to the ISOEXPL INI file Set table font size Set font size for table Set table column width Set column width for table in points 72 points inch Reset to default settings Reset all options above to the default values Nuclear data source Select Internet database or local database on selecting local database the user has to locate it on the disk Reference data source Select Internet database or local database on selecting local database the user has to locate it on the disk Debug Mode Debug mode on off in debug mode all operations performed are logged in the file LOG Window menu Cascade Overlap windows Tile Tile all windows side by side Arrange Icons Arrange icons of iconized windows at the bottom of the main window Close All Close all open windows thee List of currently opened windows 17 Help menu About Isotope Explorer version information authors etc a Report problem Requires network connection Allows the user to report problems with Isotope Explorer or the databases directly to the Berkeley server Isotope Explorer news Requires network connectio
17. e font size of gamma labels Set decay font size Set the font size of ty2 and other information Reset to default settings Reset all options above to the default values Nuclear data source Select Internet database local database Upon selecting a local database the user has to locate it on the disk Reference data source Select Internet database local database Upon selecting a local database the user has to locate it on the disk Window menu Cascade Make the windows overlap Tile Tile all windows side by side Arrange Icons Arrange icons of iconized windows at the bottom of the main window Close All Close all open windows sabe List of currently opened windows Help menu About Isotope Explorer version author information etc a Report problem Requires a network connection Allows the user to report problems with Isotope Explorer or the databases directly to the Berkeley server Isotope Explorer news Requires a network connection Latest news about the program and databases Help Isotope Explorer Help function The Tool Bar The tool bar providing access to the most often used commands is a row of buttons Automatic scaling vertical with symbols defined from left to right as 4 Open an existing chart file Increase vertical scale Chart Get nuclide data Decrease vertical scale i Nucleus Ub Undo last operation Select arrow cursor for selecting
18. elp The Chart Files Chart files have the extension CHR and contain the following optional four sections 1 TITLE Ground state properties Contains only one line giving the title for the chart if present it must be the first line of chart file Default Untitled 2 INIT END INIT Contains information concerning scaling layout and coloring of the chart 3 BUILD DataBase Ensdf Nucleus a 80 200 END BUILD Contains the basic information concerning how to build the chart see the section discussing the Script language 4 CHART 133La Z 57 133Ce Z 58 3 SD 1 band 95HABB SD 2 band 95HAAA SD 3 band 95HAAA 133Pr Z 59 4 SD 1 band SD 2 band SD 3 band SD 4 band 95WIAA 95WIAA 95WIAA 95WIAA SS a Rea NaN END CHART Contains the body of the chart with nuclide identification followed by data The first line of data immediately follows the nuclide ID and subsequent lines of data are preceded by tabs The user can begin with a blank chart and use the menu to customize the chart Once the chart is constructed it can be saved for later use with File Save as However the design of the menu is not yet complete and some of the commands must be edited manually into the Build section The following section gives a summary of the available commands 25 X The Script Language This section describes the script language used in the Build process The information is needed only if you wish
19. esult of the double And coincidence is different from the result of the logical And operation on the gated spectra 13 Data Select Band s In level scheme mode the band selection panel shown below is displayed Select bands to display T ATE BAND AND STRETCHED L 2 TRANSITIONS FE j 10 FROM HII The bands available in the current dataset will be displayed in the list The user can select any band s by clicking on the entries to the list When the OK button is selected a level scheme in the band mode will display the chosen bands EPI 12 S BAND 26 6898 4 EKPI 0 GROUND STATE BAND 243 6059 4 22 5806 1 EPI 10 FROM HICX NG 22 5279 1 20 5099 1 18 4933 4 20 4566 2 18 4392 1 16 3 4231 4 18 3932 9 PPE said 165 3696 1 16 3389 74 i C14 3086 9 12 3 2020 8 14 2899 74 A 12 8 2123 96 10 g 1222 95 6 759 73 4 385 60 2 123 36 0 o 164 79 XD The order of the bands is determined by optimizing the drawing of out of band transitions When there are gammas connecting levels in nonadjacent bands the daughter level is extended horizontally as a gray line Levels from unselected bands or non band members which are fed by gammas from selected bands are shown as horizontal gray lines the full width of the display Levels and gammas cannot be selected in band mode However the properties of any gamma energy initial final level energy and spin parity relative intens
20. et and makes a list of all keynumbers These keynumbers can be decoded into complete references by clicking the Ref button on the tool bar Keynumbers with an asterisk correspond to the main references of the data set Selecting a Keynumber from the list in the panel will yield a display similar to the following Nuclear Science References Ioj Xx File sel al Keynumber 89RA17 Reference At Data Nucl Data Tables 42 189 1989 Authors P Raghavan Title Table of Nuclear Moments Keyw abstr COMPILATION Z 1 99 compiled electric quadrupole moments _ 31 The source local or Internet for the reference data can be changed with the main menu item Configuration Reference data source By instead clicking User Select a panel like this one will appear Nuclear Science References OF x File Sose lf F 1 The first three icons enable the user to close the panel print preview and print references With the next icon torch the user can enter any valid NSR Keynumber to be decoded The last icon torch with Author provides access to the NSR references by author name provided that the NSR files are available on the local disk or Internet NSR Data Isotope Explorer can access NSR data in two ways from local files or by transfer via the Internet Local files The files AUTHORS LIS AUTHORS DIC for the author index and NSRxx DIC NSRxx REF for the reference data where xx is
21. field Brings up a menu for selecting which data should be loaded into the chart when selection panel is closed with OK the chart is rebuilt Select Field Build chart Rebuilds chart used when a new chart has been opened Build Chart Cancel building chart Stop the chart building process Cancel Set nuclide ID font size Set the font size of nuclide identification label Set title font size Set the font size of chart title Set data font size Set the font size of data in nuclide boxes Set legend title font size Set the font size of legend title Set legend font size Set the font size for labels in color legend Display navigation window Toggle display the navigation window Open editor Open the editor with the current chart Add view Copies the current chart file into a new window Configuration menu Save the size of the current view Save font sizes width etc to the ISOEXPL INI file Nuclear data source Select Internet database or local database on selecting a local database the user has to locate it on the disk Reference data source Select Internet database or local database on selecting a local database the user has to locate it on the disk Debug mode Debug mode on off in debug mode all operations performed are logged in the file LOG Window menu Cascade Make windows overlapping Tile Tile all windows side by side Arrange Icons Arrange icons of
22. figured to transmit MIME type Application ENSDF for ENSDF extension ENS ENSDF 2 extension ENX files and chart files extension CHR 2 The browser has been configured to launch Isotope Explorer for the MIME type Application ENSDF with extensions ENS ENX and CHR V Level Scheme Mode After selecting Nucleus and choosing a nuclide that nuclide s level scheme will be drawn as in the following example 1 2 217 14 F eo 175 00 14 ns 174 57 Cp 164 68 43 n 144 392 380 ns The arrows at the bottom can be dragged horizontally by the arrow cursor to adjust the width of the different areas of the level scheme the spin parity label the gammas area and the energy label If the decay scheme contained many gammas it would become too crowded to display them simultaneously Therefore the program displays only one row or layer of gammas in the gammas area and other transitions are indicated with an arrowhead at the initial level The following tool bar buttons are provided to facilitate browsing through these layers The Menu Bar The Menu bar for the drawing mode has the following entries E File Edit Operation Data Addview Configuration Window Help The menus and the equivalent item in the tool bar if available are described as follows File menu Get Reference Decode the NSR Keynumber s or search for NSR Authors Ref Select Nucleus Get nuclide data File menu continued New chart
23. ieved from the National Nuclear Data Center NNDC at Brookhaven National Laboratory on October 23 1997 and the NSR database was retrieved from the NNDC December 5 1997 e Operate as a helper application for WWW browsers to access and display ENSDF format data directly from the WWW e Read chart data from standard experimental theoretical or user generated databases and display horizontal properties by color coding a nuclear chart ll Installation of Isotope Explorer Isotope Explorer requires a Windows 95 or NT operating system VuENSDF 1 0 available for Windows 3 1 has only limited capabilities At least 8 MB of RAM and a Pentium processor are recommended To install Isotope Explorer copy the toi www isoexpl IsoExpl exe to a directory on your hard disk and run this file The file will automatically be decompressed and installed appropriately on your hard disk Alternatively Isotope Explorer can be installed directly from a link on the Table of Isotopes local Internet home page Periodic updates of the Isotope Explorer software are posted at the WWW Table of Isotopes home page at http isotopes bl gov isotopes toi html lll Getting Started Reading Nuclide Data When Isotope Explorer is launched it displays an empty screen with most menus disabled Isotope Explorer File Configuration Window Help Chart Nucleus Ref jE 7 C7 If you have ENSDF files stored locally you may open them with File Open local file on the
24. ity and multipolarity are displayed in the status bar at the bottom of the screen when the mouse pointer is placed over that gamma Data Selecting Levels On selecting Data Select Levels in level scheme mode the level selection panel is displayed Select Levels x Choose any filter s to select levels Parity filte I Even parity I Odd parity I None assignec Spin filter V Even spin or 1425 2 Odd spin or 3 2 7 2 J None assigned Spin from to P Exclude J or J Energy kev from to T Exclude X or Y or Z Half life sec from to Apply to the current window Apply to a new window Cancel Helg This panel contains a number of filters that can be applied to the selection of levels that are displayed in the drawing table or plot Yrast Selects yrast levels the level of lowest excitation energy for any given spin Parity Selects levels with odd parity even parity unassigned parity More than one option may be selected Spin Selects levels with even and odd spin and on a range of spin values Energy Selects levels within a range of excitation energies Half life Selects levels within a range of half lives 15 VI Table Mode The program can produce Nuclear Data Sheets style Level Gamma Beta or a B EC Tables with the command Addview Table An example of a Gamma Table follows Gammas tor nico B decay 5 2714 y Generel Comments Footectes Precisi
25. menu bar and the level scheme drawing of the first data set in the file will be displayed on the screen You can also choose to open a chart file the program will display a nuclear chart instead of a level scheme Alternatively you may select a nuclide by clicking the Nucleus button Depending on the setting in the Configuration menu the program will then look for the data on the local disk or transfer data via the Internet The latter requires an active connection to the Internet Viewing Data Isotope Explorer has many options that change the way data are displayed You may select subsets of the data e g rotational bands Data Band or you may choose to see the data in tablular form AddView Table Isotope Explorer can also display nuclear charts prepared either using existing chart files or chart files created by retrieving data from ENSDF using a script language IV Accessing Data There are three ways to access nuclear data for use with the Isotope Explorer e Transfer data via the Internet from a HTTP server e Use data stored on a local disk or CD ROM e Obtain data from the WWW with Isotope Explorer working as a helper application for the browser Internet Transfer Data can be transferred directly by Isotope Explorer from the LBNL Isotopes Project Web server If the file CATALOGO LOG see Isotope Explorer files is available the user can select an available nuclide from the File Select Nucleus menu Select Nucle
26. n Latest news about the Program and databases Help Isotope Explorer Help function The Tool Bar Since some items in the tool bar are not applicable to table mode they are grayed out The following from left to right are active Open an existing chart file chaa Display Cross references ia Get nuclide data Nucleus Display Footnotes ef A About Isotope Explorer version information a Isotope Explorer help Get reference Print table Print Preview et i Display General Comments gt IP Controlling Table Appearance If you select Table Level in the menu bar the program will display the panel shown below From this panel you may choose which properties should be displayed in the table Unavailable properties are grayed out Similar panels are available to choose data for other types of tables Level Table Ed WE Wick ae ee l aA emea ki Wa Reset ec Es Es EE BandFlaa Wi xei JV Comment For sorting on different properties you may either click on the caption of the appropriate column or select Sorting By level energy The column spacing can either be controlled with Configuration Set table column width all columns or with the mouse one column at a time in the following way 1 Put the cursor over a header item 2 Move the cursor to the left 3 When a vertical line appears hold down the left mouse button and drag the column to the new position
27. nd gating gammas in blue If more than one gamma is selected the displayed coincidences correspond to Or or And operations with the gates In the figure below gates have been set on two transitions with the Or condition selected Since the gating transitions are also in coincidence they are shown in purple 1052 4 and 1156 9 rather than blue as shown in the figure below On 54 N 2989 0 Z a 52 LS 7781 1 Z ey s 50 A 6624 2 Z Y 48 LN 519 3 Z ee 46 3 4466 9 Z DS 44 3 3468 7 Z gy 42 1 2523 94 Z ga 40 LS 1632 7 Z a 38 793 042 36 Il Z Operation Set Energy Gate The user may alternatively specify gates either as an energy interval or as an energy with a width as shown below Set Energy Gate x In the example above the gate G1 is set between 122 and 125 keV The gate G5 is set as 150 1 keV i e 149 151 keV The user can set all the gates G1 G8 and perform Boolean operations on them see below The gates G1 G4 and G5 G8 are equivalent except that the gating conditions are specified in different ways The user should note the difference between selecting a specific gamma with the cursor and setting an energy gate In the first case only the selected gamma is used in the coincidence gate In the second case more than one gamma may occur within the energy gate Then the coincidences result will correspond to all coincidences of the gammas in the selected energy range Advanced ope
28. on meastrements of Ey usinga set of Ge Li detectors 72Grfll and T For absotute intensity per 100 decays muhipty by L 78He21 t From 76Cal8 eocept as noted Measured ly by detechng neutrons from the yn reaction caused by tbe 2505 From 78He 1 potay TF uF 2 From 96r0 gt A Jx Jy Muht gt Ltt iytce Tia a Comments 46917 2505 7657 4 2 0 00765 0 30 p 826 28 9 215 amp THO 093 0 0076 1173 237 4E 2505 7667 4 2 EN M3 0 002522 909 973657 DS OD ps 177x1045 l from iiy cew i a Kytce from Kytcey 1 552 yee 325 amp Froen 20Kr08 1332 501 3 13935175 H H 2 09 Case OO PE DIp i 1 33 10 From Ify cell lha Kytced froen 100 13 159 ol pai dx LO 794008 H Of D OOLLL fF 2505 7067 4 OF EA 10 107 4 Dp 9 Iy other 5 2 Lo 20 50 The user has full control over the layout of the table which properties are listed font size column spacing etc The tables can be sorted on almost any property by clicking on the corresponding column header A second click re sorts the data in the reverse order General comments footnotes and band comments can be scrolled and hypertext links are provided between footnotes and band labels in the tables and their associated comments Hypertext links are also provided between reference NSR Keynumbers in the comments and the NSR keyword abstracts The Menu Bar The following menu items are available in the table mode E File Data Table Sorting Addview Configuration Window Help File
29. provided by the Isotope Explorer The Menu Bar The following menu items are available in chart mode T File Chart Configuration Window Help File menu Get Reference Decode the NSR Keynumber s or search for NSR Authors Ref Select Nucleus Get nuclide data Nucleus New chart Create a new chart window Chart Open chart Open an existing chart file Open local file Open a local data file Save as Save the chart as a new chr file Close Close the active window Print Print the current view Printer setup Change printer or properties of the current printer ve Open recently used files Exit Exit Isotope Explorer Chart menu Set scale Set the size of nuclide box in nuclear chart et Scale Zoom in Increase the size of nuclide box in nuclear chart Zoom out Decrease the size of nuclide box in nuclear chart i Display decay chain Toggle when this mode is active the decay chain of a selected nuclide is indicated ot 22 Chart menu continued Design chart Not yet implemented Select color scheme Brings up a menu to determine the color scheme with lower or upper limits whether or not both limits are entered and linear or logarithmic scale Hide data in nuclide box Toggle selected data are not shown in nuclide boxes Color according to Brings up a menu for selecting which of the loaded data should determine the color scheme Select
30. rations can be performed with the Logical Operation option described in the following section Operation Logical Operation Logical operation can be used for storing gated spectra to which more complicated coincidence relations will be applied It is important to recognize the difference between the effect of coincidence and logical operation on spectra Double coincidences are always unambiguous while the logical operations compare spectra using Boolean operations When the gating transitions are in coincidence both methods are equivalent When the Operations Logical operation is selected the following panel appears ee Logical Operation x Description And ndCoin 1256g 1304g Coin 8299g lt need to select Memory below gt Memory ID Description A AndCoin 1256g 1304g B OrCoin 1160g 12089 O The panel contains a field describing the current gate and four memory locations A D The white fields contain only labels and entering text in them does not affect their properties The buttons do the following Store Store current gate and spectrum in a memory location A D Recall Recall a gate spectrum from a memory location A D And Perform a logical AND between the current gate and a gate from memory location A D Or Perform a logical OR between the current gate and a gate from memory location A D 11 Diff Perform a logical XOR exclusive or between the current gate and a gate from memory
31. rmation from the Evaluated Nuclear Structure Data File ENSDF and the Nuclear Science Reference file NSR can be viewed with Isotope Explorer Data can be traced to the original publications through keynumbers contained in the ENSDF file These keynumbers are decoded into complete references using the NSR file The NSR file can be searched by author isotope subject keyword and publication year Isotope Explorer also supports a chart data format with a chart interface that serves as an alternative user interface for selecting nuclides bands etc and a general tool for preparing nuclear charts It is provided with a script language which makes the chart interface a very powerful tool for displaying systematic trends of nuclear properties for producing custom made nuclear charts and for selecting data for display by the program In addition to displaying ENSDF data Isotope Explorer can also retrieve data by nuclear properties from the ENSDF database with the script language These properties can be displayed with color coding on a nuclear chart Functions can also be defined with the script language to perform calculations with the retrieved data Isotope Explorer supports a variety of data sources to Access the Table of Isotopes databases directly via the WWW Internet from the Berkeley or Lund Sweden servers e Use data from a local disk e g from the Table of Isotopes CD ROM The ENSDF database on the 1998 update CD ROM was retr
32. se is a version of ENSDF derived by grouping together decay datasets from the same parent nuclide 3 SENSDF database contains data for nuclides with superdeformed bands 4 EHSDF database contains only adopted datasets from ENSDF with most of the comments removed to make the files smaller some high spin data not in ENSDF has been added to this database 5 EDDF database contains only decay datasets from ENSDF FindGamma Find gammas with selected properties For example FindGamma e 250 260 means find gammas with energy from 250 260 keV Note An accompanying GammaOut quantity command is required to generate output to the chart FindLevel Find levels with selected properties Examples FindLevel e 300 350 means find levels with an excitation energy between 300 350 keV FindLevel t 1 1 e5 means find levels with half life between 1 and 10 seconds FindLevel spin 0 2 1 means find the lowest energy 1 level which lies above a 2 that in turn lies above a 0 level FindLevel e 0 t 1 1e7 means find ground states with half lives between 1 and 10 seconds Note An accompanying LevelOut quantity command is needed to generate output FindOut quanitity Extract quantity from a chart database database dat file and store it in the chart If the command OutToFile filename is given the datum is also stored in the file filename GammaOut E ELI ELF JPIl JPIF RI Output the given quantities to the chart where
33. stom made nuclear charts and selecting data to be displayed by the program A part of the chart may look like this Small Chart OF x In this case the chart is color coded according to the isotope abundance The small navigation window is used for moving about in the chart This is achieved in two ways e Click and drag the small rectangle to the required position e Click anywhere on the small chart and the selected point becomes the center of the display If the view is expanded the selected data are displayed in the nuclide box 134Ba 135Ba 136Ba YW Abd 2 417 27 Abd 6 592 18 Abd 7 854 36 133Cs 134Cs 135Cs Abd 100 EC 0 0003 1 B 100 OB 269 3 12 21 One data item in this case the abundance is chosen for the color coding and the other selected data items are displayed in the nuclide boxes together with the nuclide identification In addition to displaying ENSDF or chart data Isotope Explorer can retrieve nuclear properties from the ENSDF database using the script language These properties can then be used to color code the nuclear chart Functions defined by the script language allow calculations to be performed using the data that are retrieved Nuclear chart data can also be stored in separate files using the Files Save as command Currently many options are controlled in data files that must be edited to change them In the future these options will be controlled by menus tool bars and panels
34. the year between 10 and 96 are required for decoding the key numbers These files are available on the TOI CD ROM or by downloading them from the Internet address http isotopes bl gov isotopes install html Internet transfer Individual key numbers can be decoded directly via the Internet For searching the Author index the files AUTHORSO LIS AUTHORSO DIC are required see Section XIII XII Preview and Printing Plots tables and drawings can be previewed and printed by choosing File Print Preview and File Print respectively The font size for printing is determined from the viewing mode and can be changed under Options XIII Technical Issues This section deals with issues that are of most concern to the advanced user Data Transfer When the Internet database is selected with the Configuration menu Isotope Explorer transfers the data with TCP IP from a server 32 Nuclear data The transfer of a data set is performed with a GET command in HTTP from 128 3 253 100 csa5 lbl gov or 130 235 92 5 outis lucas lu se The file CATALOGO LOG contains a list of the available data sets This file should be deleted at regular intervals It is automatically replaced by a new file provided by the server Reference data Reference keynumbers are decoded with a database program running on 128 3 252 64 nsdssr lbl gov For author searches the file AUTHORSO DIC is required This file is created when it is needed from the file AUT
35. us As decay parent Nucleus C As daughter or reaction product C With Super Deformed bands 60Mn 2 25 Cancel 60Fe 2 26 60Co 7 27 A 60 2 28 unavailable 60Cu 2 29 602n 2 30 rau The user first selects a database by choosing from three options As decay parent ENSDF decay data sets indexed by parent nucleus As daughter or reaction product ENSDF data sets indexed by daughter nucleus final nucleus With superdeformed bands A frequently updated database containing superdeformed band information The user can then enter the nuclide specification e g 60Co in the text box While the user is writing the mass number of the nuclide the program displays pre existing entries in the list box below The intended nuclide may be selected by double clicking the corresponding entry in the list box Data from Local Disk or the Table of Isotopes CD ROM A locally stored file in the ENSDF or ENSDF 2 format is opened using the File Open local file menu The entire ENSDF database is available in a convenient form on the Table of Isotopes CD ROM When this data structure is used the nuclide can be selected with the command File Select Nucleus Isotope Explorer as Helper Application to a Web Browser Nuclear data files can be distributed on the WWW in the ENSDF ENSDF 2 format or as chart databases The Web browser will recognize these file types and launch Isotope Explorer provided that 1 The server has been con
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