/[PAMELA software]/gpamela/gptrd/gpxtr.F
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Annotation of /gpamela/gptrd/gpxtr.F

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Revision 3.2 - (hide annotations) (download)
Tue Apr 6 10:33:45 2004 UTC (20 years, 7 months ago) by pamela
Branch: MAIN
CVS Tags: v4r4, v4r5, v4r6, v4r7, v4r1, v4r2, v4r3, v4r8, v4r9, v4r14, v4r12, v4r13, v4r10, v4r11, HEAD
Changes since 3.1: +12 -4 lines
NON-REPRODUCIBILITY problem of a GPAMELA RUN fixed; bug found and fixed filling in the hit structure of the calorimeter

1 cafagna 3.1 *
2 pamela 3.2 * $Id: gpxtr.F,v 3.1.1.1 2002/07/11 16:02:01 cafagna Exp $
3     *
4     * $Log: gpxtr.F,v $
5     * Revision 3.1.1.1 2002/07/11 16:02:01 cafagna
6     * First GPAMELA release on CVS
7 cafagna 3.1 *
8     *
9     *CMZ : 3.00/00 05/02/2002 12.51.38 by Unknown
10     *-- Author : Marialuigia Ambriola 11/05/2001
11     SUBROUTINE GPXTR
12     **************************************************************************
13     * *
14 pamela 3.2 * Generates and absorbs transition radiatixon spectrum in TRD *
15 cafagna 3.1 * *
16     * *
17     * *
18     * Called by: GUSTEP *
19     * Author: Marialuigia Ambriola 11/05/2001 *
20     * *
21     **************************************************************************
22     #include "gpgene.inc"
23     #include "gctrak.inc"
24     #include "gctmed.inc"
25     #include "gpmed.inc"
26     #include "gpsed.inc"
27     #include "gcsets.inc"
28     #include "gpaltr.inc"
29     #include "gckine.inc"
30     #include "gcnum.inc"
31     #include "gcflag.inc"
32     #include "gptotr.inc"
33     #include "gcunit.inc"
34     EXTERNAL XTRYIELD
35     EXTERNAL NPOISS
36     EXTERNAL XTRINTER
37     EXTERNAL XTRINTEG
38     REAL CAM,RL,G,NF,WR,CR,SPH,CATT,W,E
39 pamela 3.2 REAL GRNDM0(1)
40 cafagna 3.1 INTEGER INDEX,INDEXAIR,INDEXC,LAY
41     c centimeter and GeV:
42     DATA RL1/7.0E-4/,RL2/204.E-4/,N/71/,w1/31.59E-9/,w2/.7E-9/
43     DATA IEVOLD/-1/,NTMOLD/-1/
44     PARAMETER (ALPHA=1/137.,PG=3.1415926536,HTC=197.3269E-16)
45     PARAMETER (C=3.E+10)
46     **************
47     *particle inside kapton, radiator or xenon?
48     *if yes, calcolates the length of the track.
49     *NUMED is the number of the tracking medium (common GCTMED)
50     *MTRAD, MKAP and MXE are the numbers of radiator, kapton and xenon
51     *tracking media, like defined by GPAMELA.
52     IF(CHARGE.EQ.0) THEN
53     RETURN
54     ENDIF
55     IF(AMASS.LE.0) THEN
56     WRITE(CHMAIL,10000) AMASS
57     CALL GMAIL(1,0)
58     RETURN
59     ENDIF
60     G=GETOT/AMASS
61     IF(G.LE.100.) THEN
62     RETURN
63     ENDIF
64     IF((NUMED.EQ.MKAP.AND.IDET.EQ.IDTRSO).OR.NUMED.EQ.
65     + MTRAD.OR.NUMED.EQ.MXE) THEN
66     IF(INWVOL.EQ.1.) THEN
67     CAM=SLENG
68     RETURN
69     ELSEIF(INWVOL.EQ.2) THEN
70     C #
71     C # Calculate the layer number
72     C #
73     IF(NUMED.EQ.MXE) THEN
74     IF(NUMBV(NVNAME-1).GE.29.AND.NUMBV(NVNAME-1).LE.32)LAY=2
75     IF(NUMBV(NVNAME-1).GE.25.AND.NUMBV(NVNAME-1).LE.28)LAY=4
76     IF(NUMBV(NVNAME-1).GE.21.AND.NUMBV(NVNAME-1).LE.24)LAY=6
77     IF(NUMBV(NVNAME-1).GE.17.AND.NUMBV(NVNAME-1).LE.20)LAY=8
78     IF(NUMBV(NVNAME-1).GE.13.AND.NUMBV(NVNAME-1).LE.16)LAY=10
79     IF(NUMBV(NVNAME-1).GE.10.AND.NUMBV(NVNAME-1).LE.12)LAY=12
80     IF(NUMBV(NVNAME-1).GE.7.AND.NUMBV(NVNAME-1).LE.9)LAY=14
81     IF(NUMBV(NVNAME-1).GE.4.AND.NUMBV(NVNAME-1).LE.6)LAY=16
82     IF(NUMBV(NVNAME-1).GE.1.AND.NUMBV(NVNAME-1).LE.3)LAY=18
83     IF(NUMBV(NVNAME).GT.16) THEN
84     LAY = LAY - 1
85     ENDIF
86     ENDIF
87     CAM=SLENG-CAM
88     ELSE
89     RETURN
90     ENDIF
91     ELSE
92     RETURN
93     ENDIF
94     ****************
95     INDEX=0
96     INDEXAIR=0
97     INDEXC=0
98     IF(INWVOL.NE.2) RETURN
99     IF(IEVOLD.NE.IEVENT.OR.NTMOLD.NE.NTMULT) THEN
100     CALL VZERO(EY,115)
101     ENDIF
102     IEVOLD=IEVENT
103     NTMOLD=NTMULT
104     SPH=0.
105     NPHTR=0
106     ENPHTR=0.
107     IF(NUMED.EQ.MKAP.AND.IDET.EQ.IDTRSO) INDEX=4
108     IF(NUMED.EQ.MXE) INDEX=3
109     IF(NUMED.EQ.MTRAD) THEN
110     INDEXAIR=1
111     INDEXC=2
112     RL=RL1+RL2
113     ENDIF
114     ****************
115     c radiator:
116     IF(INDEX.EQ.0) THEN
117     NF=CAM/RL
118     DO I=1,115
119     XTREN=XTRYIELD(I,G)
120     WR=0.
121     CR=NF*(ATTTRD(I,INDEXAIR)*RL2+ATTTRD(I,INDEXC)*RL1)
122     IF(CR.GT.0.) WR=EXP(-CR)
123     c considering the whole radiator and the absorption.
124     c when dividing for enatt I consider the number of photons per unit energy,
125     c which are created and transmitted by the radiator.
126     C remember that enatt is in keV unity.
127     IF(CR.GT.0.AND.NF.GT.1) THEN
128     XTREN=2*NF*XTREN*(1.-WR)/(CR*ENATT(I))
129     EY(I)=EY(I)*WR+XTREN
130     SPH=SPH+EY(I)
131     ENDIF
132     ENDDO
133     ENDIF
134     goto 999
135     print*,'index,IEVENT,gamma,spettro'
136     print*,index,IEVENT,g
137     print*,(ey(i),i=1,4)
138     print*,(ey(i),i=5,8)
139     print*,(ey(i),i=9,12)
140     print*,(ey(i),i=13,16)
141     print*,(ey(i),i=17,20)
142     print*,(ey(i),i=21,24)
143     print*,(ey(i),i=25,28)
144     print*,(ey(i),i=29,32)
145     print*,(ey(i),i=33,36)
146     print*,(ey(i),i=37,40)
147     print*,(ey(i),i=41,44)
148     print*,(ey(i),i=45,48)
149     print*,(ey(i),i=49,52)
150     print*,(ey(i),i=53,56)
151     print*,(ey(i),i=57,60)
152     print*,(ey(i),i=61,64)
153     print*,(ey(i),i=65,68)
154     print*,(ey(i),i=69,72)
155     print*,(ey(i),i=73,76)
156     print*,(ey(i),i=77,80)
157     print*,(ey(i),i=81,84)
158     print*,(ey(i),i=85,88)
159     print*,(ey(i),i=89,92)
160     print*,(ey(i),i=93,96)
161     print*,(ey(i),i=97,100)
162     print*,(ey(i),i=101,104)
163     print*,(ey(i),i=105,108)
164     print*,(ey(i),i=109,112)
165     print*,(ey(i),i=113,115)
166     999 continue
167     ******************
168     C now the spectrum is propagated in the other absorbent media in the TRD:
169     c the absorber could be the kapton or the Xe-CO2 or the gas in between (here
170     c not considered):
171     IF(INDEX.NE.0) THEN
172     CALL VZERO(EA,115)
173     CALL VZERO(ER,115)
174     DO I=1,115
175     CATT=ATTTRD(I,INDEX)*CAM
176     W=0
177     W=EXP(-CATT)
178     C PRINT*,'EY(I),I,CATT,ATT',EY(I),I,CATT,ATTTRD(I,INDEX)
179     c absorbed spectrum:
180     EA(I)=EY(I)*(1-W)
181     c transmitted spectrum:
182     EY(I)=EY(I)*W
183     C PRINT*,'W,EA(I),EY(I),I,INDEX',W,EA(I),EY(I),I,INDEX
184     ENDDO
185     ENDIF
186     C finally the sensitive gas:
187     IF(INDEX.EQ.3) THEN
188     goto 998
189     print*,'index,IEVENT,gamma,spettro assorbito'
190     print*,index,IEVENT,g
191     print*,(ea(i),i=1,4)
192     print*,(ea(i),i=5,8)
193     print*,(ea(i),i=9,12)
194     print*,(ea(i),i=13,16)
195     print*,(ea(i),i=17,20)
196     print*,(ea(i),i=21,24)
197     print*,(ea(i),i=25,28)
198     print*,(ea(i),i=29,32)
199     print*,(ea(i),i=33,36)
200     print*,(ea(i),i=37,40)
201     print*,(ea(i),i=41,44)
202     print*,(ea(i),i=45,48)
203     print*,(ea(i),i=49,52)
204     print*,(ea(i),i=53,56)
205     print*,(ea(i),i=57,60)
206     print*,(ea(i),i=61,64)
207     print*,(ea(i),i=65,68)
208     print*,(ea(i),i=69,72)
209     print*,(ea(i),i=73,76)
210     print*,(ea(i),i=77,80)
211     print*,(ea(i),i=81,84)
212     print*,(ea(i),i=85,88)
213     print*,(ea(i),i=89,92)
214     print*,(ea(i),i=93,96)
215     print*,(ea(i),i=97,100)
216     print*,(ea(i),i=101,104)
217     print*,(ea(i),i=105,108)
218     print*,(ea(i),i=109,112)
219     print*,(ea(i),i=113,115)
220     998 continue
221     c considering the escape peak in Xe-CO2;
222     CALL XESCAPE(ENATT,EA,ER,115)
223     SPH=0.
224     goto 997
225     print*,'index,IEVENT,gamma,spettro con escape'
226     print*,index,IEVENT,g
227     print*,(er(i),i=1,4)
228     print*,(er(i),i=5,8)
229     print*,(er(i),i=9,12)
230     print*,(er(i),i=13,16)
231     print*,(er(i),i=17,20)
232     print*,(er(i),i=21,24)
233     print*,(er(i),i=25,28)
234     print*,(er(i),i=29,32)
235     print*,(er(i),i=33,36)
236     print*,(er(i),i=37,40)
237     print*,(er(i),i=41,44)
238     print*,(er(i),i=45,48)
239     print*,(er(i),i=49,52)
240     print*,(er(i),i=53,56)
241     print*,(er(i),i=57,60)
242     print*,(er(i),i=61,64)
243     print*,(er(i),i=65,68)
244     print*,(er(i),i=69,72)
245     print*,(er(i),i=73,76)
246     print*,(er(i),i=77,80)
247     print*,(er(i),i=81,84)
248     print*,(er(i),i=85,88)
249     print*,(er(i),i=89,92)
250     print*,(er(i),i=93,96)
251     print*,(er(i),i=97,100)
252     print*,(er(i),i=101,104)
253     print*,(er(i),i=105,108)
254     print*,(er(i),i=109,112)
255     print*,(er(i),i=113,115)
256     997 continue
257     c yes escape peak:
258     ccc SPH=XTRINTEG(ENATT,ER,EINT,115)
259     SPH=XTRINTEG(ENATT,ER,EINT,75)
260     c if you don't consider the escape-peak, don't comment the next row:
261     C SPH=XTRINTEG(ENATT,EA,EINT,115)
262     C 28/9/2001: FINE TUNING OF TR:
263     c for PS ALFA=0.65 (momentum.lt.40. GeV/c)
264     c per SPS ALFA=0.69 (momentum.ge.40. GeV/c):
265     IF(ALFATR.NE.-9999.) THEN
266     SPH=ALFATR*SPH
267     ELSE
268     TROK=.FALSE.
269     WRITE(CHMAIL,10100) ALFATR
270     CALL GMAIL(1,0)
271     RETURN
272     ENDIF
273     c end 28/9/2001.
274     NPHTR=NPOISS(SPH)
275     c print*,'lay=',lay,'sph,nph=',sph,nph
276     c PRINT*,'Xe-CO2: XTRINTEG,NPOISS:',SPH,NPHTR
277     IF(NPHTR.GT.0) THEN
278     DO I=1,NPHTR
279     ccc 10 E=XTRINTER(RNDM(1)*SPH,EINT,ENATT,115)
280 pamela 3.2 c ml 26/03/04
281     c 10 E=XTRINTER(RNDM(1)*SPH,EINT,ENATT,75)
282     10 CALL GRNDM(GRNDM0,1)
283     E=XTRINTER(GRNDM0(1)*SPH,EINT,ENATT,75)
284     C ml 26/03/04
285 cafagna 3.1 C 28/9/2001: TENTATIVO DI FINE TUNING DELLA TR:
286     ******** NEI DATI REALI NON VEDO FOTONI CON ENERGIA MAGGIORE DI 60 keV:
287     c fine modifica 28/9/2001
288     IF(E.GT.45.) THEN
289     PRINT*,'Extracted energy'
290     PRINT*,E
291     GOTO 10
292     ENDIF
293     ENPHTR=ENPHTR+E
294     ENDDO
295     c PRINT*,'Energy (keV) and photons absorbed, for event:'
296     c + ,IEVENT,ENPHTR,NPHTR ,'layer=',lay
297     C NTRHIT=NPHTR
298     C ENEHIT=ENPHTR*1.E-6
299     C* ML: SOTTRAE LA ENERGIA PERSA NEL TRD.
300     GEKINT=GEKIN-ENPHTR*1.E-6
301     GEKIN=GEKINT
302     GETOT=GEKIN +AMASS
303     VECT(7)= SQRT((GETOT+AMASS)*GEKIN)
304     C Routine to find bin number in kinetic energy table stored in ELOW(NEKBIN)
305     CALL GEKBIN
306     C* END ML.
307     ELSE
308     c PRINT*,'no photons converted in the straw'
309     ENDIF
310     IF (LAY.GT.0.AND.LAY.LE.18) THEN
311     ENTRTOT = ENTRTOT + ENPHTR
312     ENLAY(LAY) = ENLAY(LAY) + ENPHTR
313     NPHTOTR = NPHTOTR + NPHTR
314     NPHLAY(LAY)= NPHLAY(LAY) + NPHTR
315     ILI=NUMBV(NVNAME-1)
316     IHI=NUMBV(NVNAME)
317     ENTRSTRAW(ILI,IHI) = ENTRSTRAW(ILI,IHI)+ ENPHTR
318     NTRSTRAW(ILI,IHI) = NTRSTRAW(ILI,IHI)+ NPHTR
319     c PRINT*,'NPHTOTR,LAY,ENPHTR,ENTRTOT',NPHTOTR,LAY,ENPHTR,ENTRTOT
320     C PRINT*,'NTRSTRAW',NTRSTRAW(ILI,IHI),ILI,IHI
321     C PRINT*,'ENTRSTRAW,ENPHTR',ENTRSTRAW(ILI,IHI),ENPHTR
322     ELSE
323     WRITE(CHMAIL,10200)LAY
324     CALL GMAIL(1,0)
325     C PRINT*,' ERROR IN LAYER CALCULATION',LAY
326     ENDIF
327     ENDIF
328     10000 FORMAT('GPXTR error: negative mass =',F10.3)
329     10100 FORMAT('GPXTR error: ALFATR not set, TR process ',
330     + 'and his tuning will be ignored, ALFATR =',F10.3)
331     10200 FORMAT('GPXTR error in layer calculation =',F10.3)
332     RETURN
333     END

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