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SUBROUTINE NSHOWER(IERR,RNUMX,RNUMY,ENERGIAX,ENERGIAY) |
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C---------------------------------------------------------------------- |
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C- |
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C- Purpose and Methods : IT IDENTIFIES ELECTROMAGNETIC SHOWERS USING : |
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C- CENTER OF GRAVITY IN THE FIRST HALF - SECOND HALF OF THE CALORIMETER . |
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C- RNUMX AND RNUMY (X AND Y VIEW) ARE THE DISTANCES IN mm OF THE CLUSTERS |
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C- CLOSEST TO THE TRACK NORMALIZED TO THE TRACK . |
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C- ENERGIAX AND ENERGIAY ARE THE ENERGY OF THESE CLUSTERS . |
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C- THE CENTERS OF GRAVITY AND THE CLUSTERS COME FROM THE ROUTINE CLUSTER2 . |
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C- |
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C- Inputs : |
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C- Outputs : |
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C- Controls: |
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C- |
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C- Created 3-NOV-1993 MIRKO BOEZIO |
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C- |
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C---------------------------------------------------------------------- |
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INCLUDE 'INTEST.TXT' |
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|
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REAL RX(2),RY(2) |
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REAL RIL(NCHA/2) |
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C$ DIMENSION IP(6) |
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REAL BAR(2,NPLA) |
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REAL TG(2) |
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REAL DAD |
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INTEGER IBAR(2,NPLA) |
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INTEGER ITL |
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COMMON/VARIE/MAX |
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SAVE /VARIE/ |
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COMMON/INIZIO/INPIA |
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SAVE /INIZIO/ |
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COMMON / IMPULSO / QUAMOT |
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SAVE /IMPULSO/ |
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COMMON/DOVE/NX,NY,LUNGH |
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SAVE /DOVE/ |
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COMMON/TANGENTI/TG |
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SAVE /TANGENTI/ |
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COMMON/ANGOLO/BAR,IBAR |
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SAVE /ANGOLO/ |
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C$ INTEGER NUM(10) |
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C$ REAL IMP(10) |
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INTEGER LK(2) |
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C$ DATA (IMP(I),I=1,3) / 3*0 /,(NUM(I),I=1,3) / 3*0 / |
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C$ DATA (IMP(I),I=4,5) / 2*50 /,(NUM(I),I=4,5) / 2*4 / |
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|
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C |
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LPIANO = NPLA / 2 |
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CALL CLUSTER2 |
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C |
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ITL = 0 |
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IALFA = 0 |
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499 CONTINUE |
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C |
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DO I = 1,NCHA/2 |
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RIL(I) = 1000. |
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ENDDO |
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C |
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RX(1) = 0. |
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RX(2) = 0. |
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RY(1) = 0. |
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RY(2) = 0. |
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C |
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DO M = 1,2 |
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DO J = 1,2 |
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C |
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DO I = 1,NCHA/2 |
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RIL(I) = 1000. |
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ENDDO |
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C |
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LK(J) = 0 |
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C$$ IF (J.EQ.1) TL = 3. |
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C$$ IF (J.EQ.2) TL = (15. + 7.) / 2. |
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C$$ DAT = -PIANO * TL * TG(M) |
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C$$ |
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C$$ DAD = BAR(M,1) + DAT |
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C |
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IF (J.EQ.1) ITL = (LPIANO + 1) / 2 |
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IF (J.EQ.2) ITL = (NPLA + LPIANO + 1) / 2 |
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|
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DAD = BAR(M,ITL) |
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c PRINT *,' DAD ',DAD,' M ',M,' ITL ',ITL |
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C |
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C$ CALL LASTRISCIA(DAD,NN) |
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C |
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NGIR = NCL2(M,J) |
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IF (NGIR.EQ.0) GO TO 555 |
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DO L = 1,NGIR |
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C$ CALL LASTRISCIA(CLUS2(M,J,L),IN) |
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C$ RIL(L) = FLOAT(ABS(NN - IN)) |
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RIL(L) = ABS(DAD - CLUS2(M,J,L)) |
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ENDDO |
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MM = NCHA/2 |
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LK(J) = LVMIN(RIL,MM) |
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C |
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IF (CLUS2(M,J,LK(J)+NCHA/2).GT.EMIN) THEN |
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C$ CALL MILLIM(NN,RR) |
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IF (M.EQ.1) THEN |
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ENERGIAX = ENERGIAX + CLUS2(M,J,LK(J)+NCHA/2) |
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RX(J) = CLUS2(M,J,LK(J)) - DAD |
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c print *,'m j lk(j) ',m,j,lk(j) |
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c PRINT*,' RX: ',RX(J) |
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c PRINT*,' DAD: ',DAD |
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c PRINT*,' CLUS2: ',CLUS2(M,J,LK(J)) |
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C$ RX(J) = CLUS2(M,J,LK(J)) - RR |
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ENDIF |
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IF (M.EQ.2) THEN |
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ENERGIAY = ENERGIAY + CLUS2(M,J,LK(J)+NCHA/2) |
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RY(J) = CLUS2(M,J,LK(J)) - DAD |
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C$ RY(J) = CLUS2(M,J,LK(J)) - RR |
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ENDIF |
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ENDIF |
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C |
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555 CONTINUE |
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ENDDO |
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C |
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IF (M.EQ.1) RNUMX = ABS( RX(2) - RX(1) ) |
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IF (M.EQ.2) RNUMY = ABS( RY(2) - RY(1) ) |
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c PRINT*,' RX: ',RX(1),RX(2),' RY: ',RY(1),RY(2) |
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C |
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ENDDO |
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C |
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ESOGLIATOT = 50. |
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EINT = 10. |
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C |
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IF (ENERGIAX.EQ.0.OR.ENERGIAY.EQ.0) THEN |
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II = 1 |
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ENDIF |
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C |
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EINF = ENERGIAX - EINT |
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ESUP = ENERGIAX + EINT |
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ETOT = ENERGIAX + ENERGIAY |
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C |
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IF (ENERGIAY.LT.EINF.OR.ENERGIAY.GT.ESUP.OR. |
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& ETOT.LT.ESOGLIATOT) GO TO 2 |
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C |
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GO TO 10 |
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C |
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2 IERR = 1 |
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C |
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10 CONTINUE |
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|
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RETURN |
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END |
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