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version 1.4, 2005/09/22 12:34:24
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version 1.12, 2006/01/21 19:39:17
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| z=0.0 | z=0.0 |
| dxdz=tan(phtgt*3.14159265/180.0) | dxdz=tan(phtgt*3.14159265/180.0) |
| dydz=tan(thtgt*3.14159265/180.0) | dydz=tan(thtgt*3.14159265/180.0) |
| c write(*,*)p_spec,th_spec,dpp |
if(nevent.le.2)write(*,*)'******** mom = ',p_spec,' ******' |
| c write(*,*)x,y,z | c write(*,*)x,y,z |
| c write(*,*)dxdz,dydz | c write(*,*)dxdz,dydz |
| c | c |
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| > x_fp, dx_fp, y_fp, dy_fp, m2, | > x_fp, dx_fp, y_fp, dy_fp, m2, |
| > ms_flag, wcs_flag, decay_flag, resmult, fry, | > ms_flag, wcs_flag, decay_flag, resmult, fry, |
| > ok_spec, pathlen) | > ok_spec, pathlen) |
| c write(*,*)p_spec,th_spec,dpp |
c write(*,*)'Momentum = ',p_spec,' Angle = ',th_spec |
| c write(*,*)x,y,z | c write(*,*)x,y,z |
| c write(*,*)dxdz,dydz | c write(*,*)dxdz,dydz |
| write(6,*)x_fp,dx_fp,y_fp,dy_fp,ok_spec |
c write(6,*)x_fp,dx_fp,y_fp,dy_fp,ok_spec |
| c write(*,*)m2,ms_flag,wcs_flag,decay_flag | c write(*,*)m2,ms_flag,wcs_flag,decay_flag |
| c write(*,*)resmult,fry,ok_spec,pathlen | c write(*,*)resmult,fry,ok_spec,pathlen |
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| xfp=x_fp | xfp=x_fp |
| phfp=atan(dx_fp)/3.14159265*180.0 | phfp=atan(dx_fp)/3.14159265*180.0 |
| yfp=y_fp |
yfp=y_fp*100.0 |
| thfp=atan(dy_fp)/3.14159265*180.0 |
thfp=atan(dy_fp)/3.14159265*180.0*100.0 |
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c write(6,*)'x,phi,y,theta,ok_spec =' |
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c write(6,*)xfp,phfp,yfp,thfp,ok_spec |
| c | c |
| do ii=1,20 | do ii=1,20 |
| ntuple_array(ii)=0.0 | ntuple_array(ii)=0.0 |
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| c what the corresponding theta and phi are for the other arm. | c what the corresponding theta and phi are for the other arm. |
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| if (abs(eang).gt.abs(hang)) then | if (abs(eang).gt.abs(hang)) then |
| phie=-.065+rndm(1)*.130 |
c phie=-.025+rndm(1)*.050 |
| thetae=-.030+rndm(2)*.060 |
c thetae=-.009+rndm(2)*.018 |
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if(pcentral.ge.5000) then |
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c phie=-.00+rndm(1)*.00 |
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c thetae=-.00+rndm(2)*.00 |
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phie=-.130+rndm(1)*.260 |
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thetae=-.065+rndm(2)*.130 |
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else if(pcentral.ge.3000.and.pcentral.lt.5000) then |
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phie=-.067+rndm(1)*.135 |
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thetae=-.034+rndm(2)*.067 |
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else |
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phie=-.087+rndm(1)*.174 |
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thetae=-.044+rndm(2)*.087 |
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endif |
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c phie=-.00+rndm(1)*.00 |
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c thetae=-.00+rndm(2)*.00 |
| escat=mp/(1.0+mp/e0-cos(fg*eang+thetae)*cos(phie)) | escat=mp/(1.0+mp/e0-cos(fg*eang+thetae)*cos(phie)) |
| pscat=sqrt(e0**2+escat**2- | pscat=sqrt(e0**2+escat**2- |
| $ 2.0*e0*escat*cos(fg*eang+thetae)*cos(phie)) | $ 2.0*e0*escat*cos(fg*eang+thetae)*cos(phie)) |
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| else | else |
| c Hadron arm defining acceptance | c Hadron arm defining acceptance |
| 1221 call grndm ( rndm, 3) | 1221 call grndm ( rndm, 3) |
| phie=-.065+rndm(1)*.130 |
phie=-.080+rndm(1)*.160 |
| thetae=-.030+rndm(2)*.060 | thetae=-.030+rndm(2)*.060 |
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c phie=-.00+rndm(1)*.00 |
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c thetae=-.00+rndm(2)*.00 |
| escat=mp/(1.0+mp/e0-cos(fg*eang+thetae)*cos(phie)) | escat=mp/(1.0+mp/e0-cos(fg*eang+thetae)*cos(phie)) |
| pscat=sqrt(e0**2+escat**2- | pscat=sqrt(e0**2+escat**2- |
| $ 2.0*e0*escat*cos(fg*eang+thetae)*cos(phie)) | $ 2.0*e0*escat*cos(fg*eang+thetae)*cos(phie)) |
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| endif | endif |
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| ptgt=pscat | ptgt=pscat |
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c write(*,*)escat,eang,pscat,hang |
| dptgt=(pcentral-pscat)/pcentral | dptgt=(pcentral-pscat)/pcentral |
| c | c |
| c Following statement to fill just the high and low dp bins | c Following statement to fill just the high and low dp bins |
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