ガンマ線解析プログラム
VIPF (Visual Peak Fitting)
2000年8月 (August, 2000)
山田繁
Yamada Shigeru
目次/Contents
１. Introduction /p.1
２. Files used in VIPF /p.1
2.1 Execution File (vipf.exe) /p.1
2.2 Parameter File (vipf.def) /p.1
2.3 Spectrum Data Files /p.2
2.3.1 LABO Multi-channel Data File /p.2
2.3.2 SEIKO EG&G(ORTEC) Multi-channel Data File /p.2
2.3.3 Text Mode Data Files (Character Mode) /p.2
2.3.4 Free-style Data File /p3
2.4 Output Files. /p.3
2.4.1 Results Files /p.3
• Text Mode File (*. Out) /p.3
• Binary Mode File for Recalculation (*. ref) /p.4
2.4.2 TEX Figure File (vipf *. eps) /p.4
2.4.3 Backup File (vip_bak.ref). /p.4
2.4.4 Second Derivative Spectrum (*. 2nd) /p.4
2.4.5 Corrected Spectrum . /p.4
• Count-corrected Spectrum. /p.4
• Operationally Transformed Spectrum a x U + b x L→ L /p.4
3. Selection of Calculation Conditions /p.4
3.1 Start Conditions /p.4
3.1.1 [New Analysis (with the original parameters)] /p.4
3.1.2 [New Analysis (with the vipf.def file)] /p.5
3.1.3 [Re-Analysis (with the vipf.def file)] /p.5
3.1.4 [Re-Analysis with the Original Parameters] /p.5
3.1.5 [Change of Default Parameters and New Analysis) /p.5
3.1.6 [Selection of a Parameter File on the Screen and New Analysis] /p.5
3.1.7 [New Analysis with Fixed Peaks (ref-file)] /p.5
3.1.8 [Re-Analysis with Another Ref-File] /p.5
3.1.9 [END (Exit to the WINDOWS System)] /p.5
3.2 Selection of a Directory for Storing the Results /p.5
3.3 Selection of a Data File or Making a List of Data Files /p.6
4. Manual on the Spectrum Display Window /p.6
4.1 Mouse Buttons /p.6
4.1.1 Indication of the Mouse Position (Left Button Click) /p.6
4.1.2 Horizontal Expand/Reduce (Double Click) /p.6
4.1.3 One Channel Move (Click on the Y-Axis) /p.6
4.2 Calculations. /p.7
4.2.1 Calculation Box (Yellow Box) /p.7
4.2.2 [Start/Next/ Again] /p.7
4.2.3 [Select] /p.7
• [Input a Region Number] /p.7
• [All Regions Calculation] /p.7
• [Read Next Spectrum ] /p.7
• [Calculations for All Listed Spectra] /p.7
4.2.4 [Stop] /p.7
• [END (Exit to the WINDOWS System)] /p.7
• [Read New File ] /p.7
• [Go to the List] /p.7
• [Restart from the Beginning] /p.7
• [No Save (Exit to the WINDOWS System)] /p.7
• [No Save (Read New File)] /p.8
• [No Save (Go to the List)] /p.8
• [No Save (Restart from the Beginning)] /p.8
4.3 Control Menu Terms /p.8
4.3.1 (Invert) – Color inversion /p.8
4.3.2 [Reverse] – Color reversal /p.8
4.3.3 [Copy] – Print the inverted screen10B /p.8
4.3.4 [Clean] – Re-display /p.8
4.3.5 [E.Cal] – Energy calibration /p.8
4.3.6 [Disp.(on/off)] – Display of the result /p.8
4.3.7 [Gain] /p.8
• [Upper or Lower Spectrum] /p.8
• [H.Gain Up(left)/Down(right)] /p.8
• [V.Gain Up(left)/Down(right)] /p.8
• [Log/Linear Display] /p.8
• [Move <-(LeftButton)/->(RightButton)] /p.8
• [Move Up(LeftButton)/Down(RightButton)] /p.8
• [End] Exit from the’Gain’function /p.8
4.3.8[Move] /p.9
• [Upper or Lower Spectrum] /p.9
• [Move <-(LeftButton)/->(RightButton)] /p.9
• [Up(LeftButton)/Down(RightButton)] /p.9
• [Digit~] /p.9
• [End] Exit from the ‘Move’ function /p.9
4.3.9 [Peak] /p.9
• [Add] /p.9
• [Delete] /p.9
4.3.10 [Help] /p.9
• [Window Tile Display] /p.9
• [Calculation Box].. /p.9
4.3.11［TEX］ Output of aTEX figuref ile /p.9
4.3.12 [Double] /p.10
• [Read a Comparative Spectrum in the Lower Panel ] /p.10
• [Read a New Spectrum in the Upper Panel] /p.10
• [Delete the Lower Spectrum] /p.10
• [Add Spectra (a * U + b * L→L)] /p.10
• [Save the Lower Spectruｍ] /p.10
4.3.13 [Cut] /p.10
• [Cut] /p.11
• [Position] /p.11
• [Delete] /p.11
• [Adjust] /p.11
5 Commands on the Screen for Displaying Results /p.12
5.1 [Correct] /p.12
5.1.1 (Change Region Boundaries] /p.12
5.1.2 [Divide a Region ] /p.12
5.1.3 [Change Parameters] /p.12
5.1.4 [Correct Counts] /p.13
5.1.5 [Warning Mark(w)] /p.13
5.1.6 [Warning Mark(?)] /p.14
5.2 [Peak] /p.14
5.2.1 [Add] /p.14
5.2.2 [Delete] /p.14
5.2.3 [Fix] /p.14
6 Functions Used /p.14
6.1 Peak Function (Gauss Function) /p.14
6.2 Background /p.14
6.2.1 Quadric Function /p.14
6.2.2 Step Function /p. 15
6.3 Tail functions /p.15
6.4 Areas /p.16
6.5 The Error of the Areas /p.16
7 Find Peak Routine /p.16
7.1 Properties of the Gauss Function /p.17
7.1.1 Derivatives /p.17
7.1.2 Integrals /p.17
7.2 Observed Spectrum N(x) /p.17
7.3 Derivation of the Observed Spectrum N(x) /p.18
7.4 Setting Peak Positions /p.19
7.5 Checking Peak Shape /p.19
8 Region Setting Parameters /p.20
8.1 Fadd /p.20
8.2 Hlimit. /p.20
8.3 Tail /p.20
8.4 Fmulti /p.20
9 Original Default Parameters /p.20
9.1 Fundamental Parameters /p.20
9.2 Efficiencies /p.21
9.3 Two Points Parameters /p.21
10 Residual Analysis with Trial Functions /p.22
10.1 Available Operators and Constants /p.22
10.2 Trial Functions /p 23
• Example 1 (Original Setting) /p.23
• Example 2 (Modified Hermit Function) /p. 24
11 Programs /p.25
11.1 Least Squares Fitting /p.25
11.2 Error Estimation /p.26
11.3 Quick Window Subroutines Used /p.27
11.3.1 File Management /p.27
11.3.2 Window Management /p.29
11.3.3 Mouse Events /p.29
11.3.4 Graphic Subroutines /p. 29