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* |
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* $Id: gpxtr.F,v 3.1.1.1 2002/07/11 16:02:01 cafagna Exp $ |
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* |
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* $Log: gpxtr.F,v $ |
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* Revision 3.1.1.1 2002/07/11 16:02:01 cafagna |
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* First GPAMELA release on CVS |
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* |
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* |
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*CMZ : 3.00/00 05/02/2002 12.51.38 by Unknown |
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*-- Author : Marialuigia Ambriola 11/05/2001 |
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SUBROUTINE GPXTR |
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************************************************************************** |
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* * |
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* Generates and absorbs transition radiatixon spectrum in TRD * |
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* * |
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* * |
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* * |
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* Called by: GUSTEP * |
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* Author: Marialuigia Ambriola 11/05/2001 * |
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* * |
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************************************************************************** |
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#include "gpgene.inc" |
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#include "gctrak.inc" |
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#include "gctmed.inc" |
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#include "gpmed.inc" |
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#include "gpsed.inc" |
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#include "gcsets.inc" |
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#include "gpaltr.inc" |
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#include "gckine.inc" |
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#include "gcnum.inc" |
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#include "gcflag.inc" |
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#include "gptotr.inc" |
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#include "gcunit.inc" |
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EXTERNAL XTRYIELD |
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EXTERNAL NPOISS |
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EXTERNAL XTRINTER |
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EXTERNAL XTRINTEG |
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REAL CAM,RL,G,NF,WR,CR,SPH,CATT,W,E |
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REAL GRNDM0(1) |
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INTEGER INDEX,INDEXAIR,INDEXC,LAY |
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c centimeter and GeV: |
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DATA RL1/7.0E-4/,RL2/204.E-4/,N/71/,w1/31.59E-9/,w2/.7E-9/ |
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DATA IEVOLD/-1/,NTMOLD/-1/ |
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PARAMETER (ALPHA=1/137.,PG=3.1415926536,HTC=197.3269E-16) |
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PARAMETER (C=3.E+10) |
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************** |
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*particle inside kapton, radiator or xenon? |
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*if yes, calcolates the length of the track. |
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*NUMED is the number of the tracking medium (common GCTMED) |
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*MTRAD, MKAP and MXE are the numbers of radiator, kapton and xenon |
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*tracking media, like defined by GPAMELA. |
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IF(CHARGE.EQ.0) THEN |
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RETURN |
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ENDIF |
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IF(AMASS.LE.0) THEN |
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WRITE(CHMAIL,10000) AMASS |
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CALL GMAIL(1,0) |
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RETURN |
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ENDIF |
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G=GETOT/AMASS |
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IF(G.LE.100.) THEN |
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RETURN |
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ENDIF |
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IF((NUMED.EQ.MKAP.AND.IDET.EQ.IDTRSO).OR.NUMED.EQ. |
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+ MTRAD.OR.NUMED.EQ.MXE) THEN |
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IF(INWVOL.EQ.1.) THEN |
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CAM=SLENG |
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RETURN |
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ELSEIF(INWVOL.EQ.2) THEN |
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C # |
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C # Calculate the layer number |
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C # |
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IF(NUMED.EQ.MXE) THEN |
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IF(NUMBV(NVNAME-1).GE.29.AND.NUMBV(NVNAME-1).LE.32)LAY=2 |
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IF(NUMBV(NVNAME-1).GE.25.AND.NUMBV(NVNAME-1).LE.28)LAY=4 |
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IF(NUMBV(NVNAME-1).GE.21.AND.NUMBV(NVNAME-1).LE.24)LAY=6 |
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IF(NUMBV(NVNAME-1).GE.17.AND.NUMBV(NVNAME-1).LE.20)LAY=8 |
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IF(NUMBV(NVNAME-1).GE.13.AND.NUMBV(NVNAME-1).LE.16)LAY=10 |
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IF(NUMBV(NVNAME-1).GE.10.AND.NUMBV(NVNAME-1).LE.12)LAY=12 |
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IF(NUMBV(NVNAME-1).GE.7.AND.NUMBV(NVNAME-1).LE.9)LAY=14 |
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IF(NUMBV(NVNAME-1).GE.4.AND.NUMBV(NVNAME-1).LE.6)LAY=16 |
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IF(NUMBV(NVNAME-1).GE.1.AND.NUMBV(NVNAME-1).LE.3)LAY=18 |
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IF(NUMBV(NVNAME).GT.16) THEN |
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LAY = LAY - 1 |
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ENDIF |
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ENDIF |
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CAM=SLENG-CAM |
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ELSE |
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RETURN |
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ENDIF |
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ELSE |
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RETURN |
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ENDIF |
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**************** |
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INDEX=0 |
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INDEXAIR=0 |
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INDEXC=0 |
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IF(INWVOL.NE.2) RETURN |
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IF(IEVOLD.NE.IEVENT.OR.NTMOLD.NE.NTMULT) THEN |
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CALL VZERO(EY,115) |
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ENDIF |
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IEVOLD=IEVENT |
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NTMOLD=NTMULT |
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SPH=0. |
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NPHTR=0 |
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ENPHTR=0. |
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IF(NUMED.EQ.MKAP.AND.IDET.EQ.IDTRSO) INDEX=4 |
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IF(NUMED.EQ.MXE) INDEX=3 |
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IF(NUMED.EQ.MTRAD) THEN |
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INDEXAIR=1 |
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INDEXC=2 |
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RL=RL1+RL2 |
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ENDIF |
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**************** |
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c radiator: |
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IF(INDEX.EQ.0) THEN |
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NF=CAM/RL |
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DO I=1,115 |
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XTREN=XTRYIELD(I,G) |
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WR=0. |
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CR=NF*(ATTTRD(I,INDEXAIR)*RL2+ATTTRD(I,INDEXC)*RL1) |
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IF(CR.GT.0.) WR=EXP(-CR) |
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c considering the whole radiator and the absorption. |
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c when dividing for enatt I consider the number of photons per unit energy, |
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c which are created and transmitted by the radiator. |
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C remember that enatt is in keV unity. |
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IF(CR.GT.0.AND.NF.GT.1) THEN |
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XTREN=2*NF*XTREN*(1.-WR)/(CR*ENATT(I)) |
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EY(I)=EY(I)*WR+XTREN |
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SPH=SPH+EY(I) |
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ENDIF |
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ENDDO |
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ENDIF |
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goto 999 |
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print*,'index,IEVENT,gamma,spettro' |
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print*,index,IEVENT,g |
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print*,(ey(i),i=1,4) |
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print*,(ey(i),i=5,8) |
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print*,(ey(i),i=9,12) |
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print*,(ey(i),i=13,16) |
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print*,(ey(i),i=17,20) |
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print*,(ey(i),i=21,24) |
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print*,(ey(i),i=25,28) |
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print*,(ey(i),i=29,32) |
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print*,(ey(i),i=33,36) |
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print*,(ey(i),i=37,40) |
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print*,(ey(i),i=41,44) |
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print*,(ey(i),i=45,48) |
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print*,(ey(i),i=49,52) |
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print*,(ey(i),i=53,56) |
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print*,(ey(i),i=57,60) |
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print*,(ey(i),i=61,64) |
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print*,(ey(i),i=65,68) |
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print*,(ey(i),i=69,72) |
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print*,(ey(i),i=73,76) |
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print*,(ey(i),i=77,80) |
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print*,(ey(i),i=81,84) |
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print*,(ey(i),i=85,88) |
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print*,(ey(i),i=89,92) |
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print*,(ey(i),i=93,96) |
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print*,(ey(i),i=97,100) |
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print*,(ey(i),i=101,104) |
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print*,(ey(i),i=105,108) |
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print*,(ey(i),i=109,112) |
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print*,(ey(i),i=113,115) |
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999 continue |
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****************** |
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C now the spectrum is propagated in the other absorbent media in the TRD: |
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c the absorber could be the kapton or the Xe-CO2 or the gas in between (here |
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c not considered): |
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IF(INDEX.NE.0) THEN |
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CALL VZERO(EA,115) |
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CALL VZERO(ER,115) |
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DO I=1,115 |
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CATT=ATTTRD(I,INDEX)*CAM |
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W=0 |
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W=EXP(-CATT) |
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C PRINT*,'EY(I),I,CATT,ATT',EY(I),I,CATT,ATTTRD(I,INDEX) |
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c absorbed spectrum: |
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EA(I)=EY(I)*(1-W) |
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c transmitted spectrum: |
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EY(I)=EY(I)*W |
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C PRINT*,'W,EA(I),EY(I),I,INDEX',W,EA(I),EY(I),I,INDEX |
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ENDDO |
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ENDIF |
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C finally the sensitive gas: |
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IF(INDEX.EQ.3) THEN |
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goto 998 |
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print*,'index,IEVENT,gamma,spettro assorbito' |
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print*,index,IEVENT,g |
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print*,(ea(i),i=1,4) |
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print*,(ea(i),i=5,8) |
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print*,(ea(i),i=9,12) |
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print*,(ea(i),i=13,16) |
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print*,(ea(i),i=17,20) |
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print*,(ea(i),i=21,24) |
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print*,(ea(i),i=25,28) |
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print*,(ea(i),i=29,32) |
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print*,(ea(i),i=33,36) |
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print*,(ea(i),i=37,40) |
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print*,(ea(i),i=41,44) |
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print*,(ea(i),i=45,48) |
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print*,(ea(i),i=49,52) |
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print*,(ea(i),i=53,56) |
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print*,(ea(i),i=57,60) |
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print*,(ea(i),i=61,64) |
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print*,(ea(i),i=65,68) |
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print*,(ea(i),i=69,72) |
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print*,(ea(i),i=73,76) |
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print*,(ea(i),i=77,80) |
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print*,(ea(i),i=81,84) |
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print*,(ea(i),i=85,88) |
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print*,(ea(i),i=89,92) |
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print*,(ea(i),i=93,96) |
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print*,(ea(i),i=97,100) |
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print*,(ea(i),i=101,104) |
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print*,(ea(i),i=105,108) |
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print*,(ea(i),i=109,112) |
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print*,(ea(i),i=113,115) |
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998 continue |
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c considering the escape peak in Xe-CO2; |
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CALL XESCAPE(ENATT,EA,ER,115) |
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SPH=0. |
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goto 997 |
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print*,'index,IEVENT,gamma,spettro con escape' |
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print*,index,IEVENT,g |
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print*,(er(i),i=1,4) |
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print*,(er(i),i=5,8) |
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print*,(er(i),i=9,12) |
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print*,(er(i),i=13,16) |
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print*,(er(i),i=17,20) |
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print*,(er(i),i=21,24) |
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print*,(er(i),i=25,28) |
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print*,(er(i),i=29,32) |
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print*,(er(i),i=33,36) |
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print*,(er(i),i=37,40) |
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print*,(er(i),i=41,44) |
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print*,(er(i),i=45,48) |
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print*,(er(i),i=49,52) |
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print*,(er(i),i=53,56) |
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print*,(er(i),i=57,60) |
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print*,(er(i),i=61,64) |
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print*,(er(i),i=65,68) |
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print*,(er(i),i=69,72) |
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print*,(er(i),i=73,76) |
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print*,(er(i),i=77,80) |
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print*,(er(i),i=81,84) |
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print*,(er(i),i=85,88) |
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print*,(er(i),i=89,92) |
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print*,(er(i),i=93,96) |
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print*,(er(i),i=97,100) |
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print*,(er(i),i=101,104) |
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print*,(er(i),i=105,108) |
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print*,(er(i),i=109,112) |
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print*,(er(i),i=113,115) |
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997 continue |
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c yes escape peak: |
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ccc SPH=XTRINTEG(ENATT,ER,EINT,115) |
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SPH=XTRINTEG(ENATT,ER,EINT,75) |
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c if you don't consider the escape-peak, don't comment the next row: |
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C SPH=XTRINTEG(ENATT,EA,EINT,115) |
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C 28/9/2001: FINE TUNING OF TR: |
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c for PS ALFA=0.65 (momentum.lt.40. GeV/c) |
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c per SPS ALFA=0.69 (momentum.ge.40. GeV/c): |
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IF(ALFATR.NE.-9999.) THEN |
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SPH=ALFATR*SPH |
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ELSE |
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TROK=.FALSE. |
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WRITE(CHMAIL,10100) ALFATR |
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CALL GMAIL(1,0) |
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RETURN |
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ENDIF |
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c end 28/9/2001. |
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NPHTR=NPOISS(SPH) |
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c print*,'lay=',lay,'sph,nph=',sph,nph |
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c PRINT*,'Xe-CO2: XTRINTEG,NPOISS:',SPH,NPHTR |
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IF(NPHTR.GT.0) THEN |
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DO I=1,NPHTR |
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ccc 10 E=XTRINTER(RNDM(1)*SPH,EINT,ENATT,115) |
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c ml 26/03/04 |
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c 10 E=XTRINTER(RNDM(1)*SPH,EINT,ENATT,75) |
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10 CALL GRNDM(GRNDM0,1) |
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E=XTRINTER(GRNDM0(1)*SPH,EINT,ENATT,75) |
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C ml 26/03/04 |
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C 28/9/2001: TENTATIVO DI FINE TUNING DELLA TR: |
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******** NEI DATI REALI NON VEDO FOTONI CON ENERGIA MAGGIORE DI 60 keV: |
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c fine modifica 28/9/2001 |
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IF(E.GT.45.) THEN |
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PRINT*,'Extracted energy' |
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PRINT*,E |
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GOTO 10 |
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ENDIF |
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ENPHTR=ENPHTR+E |
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ENDDO |
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c PRINT*,'Energy (keV) and photons absorbed, for event:' |
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c + ,IEVENT,ENPHTR,NPHTR ,'layer=',lay |
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C NTRHIT=NPHTR |
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C ENEHIT=ENPHTR*1.E-6 |
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C* ML: SOTTRAE LA ENERGIA PERSA NEL TRD. |
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GEKINT=GEKIN-ENPHTR*1.E-6 |
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GEKIN=GEKINT |
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GETOT=GEKIN +AMASS |
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VECT(7)= SQRT((GETOT+AMASS)*GEKIN) |
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C Routine to find bin number in kinetic energy table stored in ELOW(NEKBIN) |
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CALL GEKBIN |
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C* END ML. |
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ELSE |
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c PRINT*,'no photons converted in the straw' |
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ENDIF |
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IF (LAY.GT.0.AND.LAY.LE.18) THEN |
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ENTRTOT = ENTRTOT + ENPHTR |
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ENLAY(LAY) = ENLAY(LAY) + ENPHTR |
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NPHTOTR = NPHTOTR + NPHTR |
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NPHLAY(LAY)= NPHLAY(LAY) + NPHTR |
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ILI=NUMBV(NVNAME-1) |
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IHI=NUMBV(NVNAME) |
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ENTRSTRAW(ILI,IHI) = ENTRSTRAW(ILI,IHI)+ ENPHTR |
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NTRSTRAW(ILI,IHI) = NTRSTRAW(ILI,IHI)+ NPHTR |
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c PRINT*,'NPHTOTR,LAY,ENPHTR,ENTRTOT',NPHTOTR,LAY,ENPHTR,ENTRTOT |
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C PRINT*,'NTRSTRAW',NTRSTRAW(ILI,IHI),ILI,IHI |
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C PRINT*,'ENTRSTRAW,ENPHTR',ENTRSTRAW(ILI,IHI),ENPHTR |
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ELSE |
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WRITE(CHMAIL,10200)LAY |
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CALL GMAIL(1,0) |
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C PRINT*,' ERROR IN LAYER CALCULATION',LAY |
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ENDIF |
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ENDIF |
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10000 FORMAT('GPXTR error: negative mass =',F10.3) |
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10100 FORMAT('GPXTR error: ALFATR not set, TR process ', |
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+ 'and his tuning will be ignored, ALFATR =',F10.3) |
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10200 FORMAT('GPXTR error in layer calculation =',F10.3) |
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RETURN |
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END |
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