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|
c
c Example analysis for "p p > h j j [QCD]" process.
c
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
subroutine analysis_begin(nwgt,weights_info)
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
implicit none
integer nwgt
character*(*) weights_info(*)
integer i,kk,l
character*8 cc(2)
data cc/' ','vbfcuts '/
double precision pi
PARAMETER (PI=3.14159265358979312D0)
include 'dbook.inc'
real*8 vetomin, vetomax
integer nbinveto
common /to_veto_hist/vetomin,vetomax,nbinveto
c
call HwU_inithist(nwgt,weights_info)
vetomin = 0d0
vetomax = 100d0
nbinveto = 50
do i=1,2
l=(i-1)*54
call HwU_book(l+ 1,'total ' //cc(i),5,0.5d0,5.5d0)
call HwU_book(l+ 2,'Higgs pT ' //cc(i),50,0.d0,400.d0)
call HwU_book(l+ 3,'Higgs pT ' //cc(i),50,0.d0,800.d0)
call HwU_book(l+ 4,'Higgs logpT ' //cc(i),50,0.d0,4.d0)
call HwU_book(l+ 5,'Higgs eta ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 6,'Higgs y ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 7,'j1 pT ' //cc(i),50,0.d0,400.d0)
call HwU_book(l+ 8,'j1 pT ' //cc(i),50,0.d0,800.d0)
call HwU_book(l+ 9,'j1 logpT ' //cc(i),50,0.d0,4.d0)
call HwU_book(l+ 10,'j1 eta ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 11,'j1 y ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 12,'j2 pT ' //cc(i),50,0.d0,400.d0)
call HwU_book(l+ 13,'j2 pT ' //cc(i),50,0.d0,800.d0)
call HwU_book(l+ 14,'j2 logpT ' //cc(i),50,0.d0,4.d0)
call HwU_book(l+ 15,'j2 eta ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 16,'j2 y ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 17,'j3 pT ' //cc(i),50,0.d0,400.d0)
call HwU_book(l+ 18,'j3 pT ' //cc(i),50,0.d0,800.d0)
call HwU_book(l+ 19,'j3 logpT ' //cc(i),50,0.d0,4.d0)
call HwU_book(l+ 20,'j3 eta ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 21,'j3 y ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 22,'H+j1 pT ' //cc(i),50,0.d0,400.d0)
call HwU_book(l+ 23,'H+j1 pT ' //cc(i),50,0.d0,800.d0)
call HwU_book(l+ 24,'H+j1 logpT ' //cc(i),50,0.d0,4.d0)
call HwU_book(l+ 25,'H+j1 eta ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 26,'H+j1 y ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 27,'j1+j2 pT ' //cc(i),50,0.d0,400.d0)
call HwU_book(l+ 28,'j1+j2 pT ' //cc(i),50,0.d0,800.d0)
call HwU_book(l+ 29,'j1+j2 logpT ' //cc(i),50,0.d0,4.d0)
call HwU_book(l+ 30,'j1+j2 eta ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 31,'j1+j2 y ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 32,'syst pT ' //cc(i),50,0.d0,400.d0)
call HwU_book(l+ 33,'syst pT ' //cc(i),50,0.d0,800.d0)
call HwU_book(l+ 34,'syst logpT ' //cc(i),50,0.d0,4.d0)
call HwU_book(l+ 35,'syst eta ' //cc(i),50,-10.d0,10.d0)
call HwU_book(l+ 36,'syst y ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 37,'Dphi H-j1 ' //cc(i),50,0d0,pi)
call HwU_book(l+ 38,'Dphi H-j2 ' //cc(i),50,0d0,pi)
call HwU_book(l+ 39,'Dphi j1-j2 ' //cc(i),50,0d0,pi)
call HwU_book(l+ 40,'DR H-j1 ' //cc(i),50,0d0,10.d0)
call HwU_book(l+ 41,'DR H-j2 ' //cc(i),50,0d0,10.d0)
call HwU_book(l+ 42,'DR j1-j2 ' //cc(i),50,0d0,10.d0)
call HwU_book(l+ 43,'mj1j2 ' //cc(i),50,0d0,3000.d0)
c Nason-Oleari plots (hep-ph/0911.5299)
call HwU_book(l+ 44,'|yj1-yj2| ' //cc(i),25,0.d0,10.d0)
call HwU_book(l+ 45,'yj3_rel ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 46,'njets ' //cc(i),100,-0.5d0,9.5d0)
call HwU_book(l+ 47,'ptrel_j1 ' //cc(i),50,0.d0,200.d0)
call HwU_book(l+ 48,'ptrel_j2 ' //cc(i),50,0.d0,200.d0)
call HwU_book(l+ 49,'P-veto ' //cc(i), dble(nbinveto),vetomin
& ,vetomax)
call HwU_book(l+ 50,'jveto pT ' //cc(i), dble(nbinveto),vetomin
& ,vetomax)
call HwU_book(l+ 51,'jveto pT ' //cc(i), dble(nbinveto),
& vetomin,2d0*vetomax)
call HwU_book(l+ 52,'jveto logpT ' //cc(i),50,0.d0,4.d0)
call HwU_book(l+ 53,'jveto eta ' //cc(i),50,-6.d0,6.d0)
call HwU_book(l+ 54,'jveto y ' //cc(i),50,-6.d0,6.d0)
enddo
return
end
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
subroutine analysis_end(dummy)
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
implicit none
double precision dummy
call HwU_write_file
return
end
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
subroutine analysis_fill(p,istatus,ipdg,wgts,ibody)
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
implicit none
include 'nexternal.inc'
integer istatus(nexternal)
integer iPDG(nexternal)
double precision p(0:4,nexternal)
double precision wgts(*)
integer ibody
double precision wgt,var
integer i,j,k,kk,l
double precision www,pQCD(0:3,nexternal),palg,rfj,sycut,yjmax
$ ,pjet(0:3,nexternal),ptjet(nexternal),yjet(nexternal)
$ ,etajet(nexternal),ptj_tag,deltay12,mj1j2min,ph(0:3),pj1(0:3)
$ ,pj2(0:3),pj3(0:3),pjj(0:3),pHj(0:3),psyst(0:3),pjveto(0:3)
$ ,ptH,etaH,yH,njdble,ptj1,etaj1,yj1,ptHj,etaHj,yHj,DphiHj1
$ ,DRHj1,ptj2,etaj2,yj2,ptjj,etajj,yjj,ptsyst,etasyst,ysyst
$ ,DphiHj2,Dphij1j2,DRHj2,DRj1j2,mj1j2,Dyj1j2,ptj3,etaj3,yj3
$ ,yj3rel,chy1,shy1,chy1mo,chy2,shy2,chy2mo,ptrel_j1,ptrel_j2
$ ,ppboost(0:3,nexternal),prel_j1(0:3),prel_j2(0:3)
$ ,pj1boost(0:3),pj2boost(0:3),pt_veto,xsecup2
logical pass_tag_cuts,flag
integer nQCD,jet(nexternal),ij1y,ij2y,ij3y,njet,njety,ijveto
$ ,ijvetoy,ij1,ij2,ij3
double precision getptv4,getrapidityv4,getpseudorapv4,getdelphiv4
$ ,getdrv4,getinvmv4,getmod
external getptv4,getrapidityv4,getpseudorapv4,getdelphiv4,getdrv4
$ ,getinvmv4,getmod
real*8 vetomin, vetomax
integer nbinveto
common /to_veto_hist/vetomin,vetomax,nbinveto
real*8 xd(1:3)
data (xd(i),i=1,3)/0d0,0d0,1d0/
if (nexternal.ne.6) then
write (*,*) 'error #1 in analysis_fill: '/
& /'only for process "p p > h j j [QCD]"'
stop 1
endif
if (.not. (abs(ipdg(1)).le.5 .or. ipdg(1).eq.21)) then
write (*,*) 'error #2 in analysis_fill: '/
& /'only for process "p p > h j j [QCD]"'
stop 1
endif
if (.not. (abs(ipdg(2)).le.5 .or. ipdg(2).eq.21)) then
write (*,*) 'error #3 in analysis_fill: '/
& /'only for process "p p > h j j [QCD]"'
stop 1
endif
if (.not. (abs(ipdg(4)).le.5 .or. ipdg(4).eq.21)) then
write (*,*) 'error #4 in analysis_fill: '/
& /'only for process "p p > h j j [QCD]"'
stop 1
endif
if (.not. (abs(ipdg(5)).le.5 .or. ipdg(5).eq.21)) then
write (*,*) 'error #5 in analysis_fill: '/
& /'only for process "p p > h j j [QCD]"'
stop 1
endif
if (.not. (abs(ipdg(6)).le.5 .or. ipdg(6).eq.21)) then
write (*,*) 'error #6 in analysis_fill: '/
& /'only for process "p p > h j j [QCD]"'
stop 1
endif
if (ipdg(3).ne.25) then
write (*,*) 'error #7 in analysis_fill: '/
& /'only for process "p p > h j j [QCD]"'
stop 1
endif
c
c Put all (light) QCD partons in momentum array for jet clustering.
nQCD=0
do j=nincoming+1,nexternal
if (abs(ipdg(j)).le.5 .or. ipdg(j).eq.21) then
nQCD=nQCD+1
do i=0,3
pQCD(i,nQCD)=p(i,j)
enddo
endif
enddo
C---CLUSTER THE EVENT
palg = -1.d0
rfj = 0.4d0
sycut = 20d0
yjmax = 4.5d0
do i=1,nexternal
do j=0,3
pjet(j,i)=0d0
enddo
ptjet(i)=0d0
yjet(i)=0d0
etajet(i)=0d0
jet(i)=0
enddo
ij1y=0
ij2y=0
ij3y=0
njet=0
njety=0
ijveto = 0
ijvetoy = 0
c******************************************************************************
c call FASTJET to get all the jets
c
c INPUT:
c input momenta: pQCD(0:3,nexternal), energy is 0th component
c number of input momenta: nQCD
c radius parameter: rfj
c minumum jet pt: sycut
c jet algorithm: palg, 1.0=kt, 0.0=C/A, -1.0 = anti-kt
c
c OUTPUT:
c jet momenta: pjet(0:3,nexternal), E is 0th cmpnt
c the number of jets (with pt > SYCUT): njet
c the jet for a given particle 'i': jet(i), note that this is
c the particle in pQCD, which doesn't necessarily correspond to the particle
c label in the process
c
call amcatnlo_fastjetppgenkt(pQCD,nQCD,rfj,sycut,palg,pjet,njet
$ ,jet)
c
c******************************************************************************
do i=1,njet
ptjet(i)=getptv4(pjet(0,i))
if(i.gt.1)then
if (ptjet(i).gt.ptjet(i-1)) then
write (*,*) "Error 1: jets should be ordered in pt"
stop
endif
endif
yjet(i)=getrapidityv4(pjet(0,i))
etajet(i)=getpseudorapv4(pjet(0,i))
c look for veto jet without y cuts
if (i.gt.2.and.yjet(i).gt.min(yjet(1),yjet(2)).and.
& yjet(i).lt.max(yjet(1),yjet(2)).and.ijveto.eq.0) ijveto=i
C now look for jets within the rapidity cuts
if (dabs(yjet(i)).lt.yjmax) then
njety=njety+1
if (ij1y.eq.0) then
ij1y = i
else if (ij2y.eq.0) then
ij2y = i
else if (ij3y.eq.0) then
ij3y = i
endif
c look for veto jet with y cuts
if (ij3y.gt.0.and.
& yjet(i).gt.min(yjet(ij1y),yjet(ij2y)).and.
& yjet(i).lt.max(yjet(ij1y),yjet(ij2y)).and.ijvetoy.eq.0)
& ijvetoy = i
endif
enddo
c Nason-Oleari cuts (hep-ph/0911.5299)
ptj_tag = 20d0
deltay12 = 4.d0
mj1j2min = 600d0
c this is the loop for w-o / w vbf cuts
do i=1,2
if(i.eq.1) then
ij1 = 1
ij2 = 2
ij3 = 3
endif
if(i.eq.2) then
njet = njety
ijveto = ijvetoy
ij1 = ij1y
ij2 = ij2y
ij3 = ij3y
endif
c Load momenta
xsecup2=1d0
do k=0,3
pH(k) =p(k,3)
pj1(k) =pjet(k,ij1)
pj2(k) =pjet(k,ij2)
pj3(k) =pjet(k,ij3)
pjj(k) =pjet(k,ij1)+pjet(k,ij2)
pHj(k) =pjet(k,ij1)+pH(k)
psyst(k)=pjet(k,ij1)+pjet(k,ij2)+pH(k)
pjveto(k)=pjet(k,ijveto)
enddo
c Define observables
c Higgs
ptH = getptv4(pH)
etaH = getpseudorapv4(pH)
yH = getrapidityv4(pH)
njdble = dble(njet)
c At least one jet
if(njet.ge.1)then
ptj1 = getptv4(pj1)
etaj1 = getpseudorapv4(pj1)
yj1 = getrapidityv4(pj1)
ptHj = getptv4(pHj)
etaHj = getpseudorapv4(pHj)
yHj = getrapidityv4(pHj)
DphiHj1 = getdelphiv4(pH,pj1)
DRHj1 = getdrv4(pH,pj1)
endif
c At least two jets
if(njet.ge.2)then
ptj2 = getptv4(pj2)
etaj2 = getpseudorapv4(pj2)
yj2 = getrapidityv4(pj2)
ptjj = getptv4(pjj)
etajj = getpseudorapv4(pjj)
yjj = getrapidityv4(pjj)
ptsyst = getptv4(psyst)
etasyst = getpseudorapv4(psyst)
ysyst = getrapidityv4(psyst)
DphiHj2 = getdelphiv4(pH,pj2)
Dphij1j2= getdelphiv4(pj1,pj2)
DRHj2 = getdrv4(pH,pj2)
DRj1j2 = getdrv4(pj1,pj2)
mj1j2 = getinvmv4(pjj)
Dyj1j2 = abs(yj1-yj2)
endif
c At least three jets
if(njet.ge.3)then
ptj3 = getptv4(pj3)
etaj3 = getpseudorapv4(pj3)
yj3 = getrapidityv4(pj3)
yj3rel = yj3-(yj1+yj2)/2d0
endif
c
chy1=cosh(yj1)
shy1=sinh(yj1)
chy1mo=chy1-1.d0
chy2=cosh(yj2)
shy2=sinh(yj2)
chy2mo=chy2-1.d0
call boostwdir2(chy1,shy1,chy1mo,xd,pj1,pj1boost)
call boostwdir2(chy2,shy2,chy2mo,xd,pj2,pj2boost)
ptrel_j1=0d0
ptrel_j2=0d0
pass_tag_cuts = njety.ge.2 .and.
& ptj1.ge.ptj_tag .and.
& ptj2.ge.ptj_tag .and.
& abs(yj1-yj2).ge.deltay12 .and.
& yj1*yj2.le.0d0 .and.
& mj1j2.ge.mj1j2min
if(i.eq.1) then
flag=.true.
endif
if(i.eq.2) then
flag=pass_tag_cuts
endif
do j=1,nQCD
if(njet.ge.1.and.jet(j).eq.1)then
call boostwdir2(chy1,shy1,chy1mo,xd,pQCD(0,j),ppboost(0,j))
call getwedge(ppboost(0,j),pj1boost,prel_j1)
ptrel_j1=ptrel_j1+getmod(prel_j1)/getmod(pj1boost)
elseif(njet.ge.2.and.jet(j).eq.2)then
call boostwdir2(chy2,shy2,chy2mo,xd,pQCD(0,j),ppboost(0,j))
call getwedge(ppboost(0,j),pj2boost,prel_j2)
ptrel_j2=ptrel_j2+getmod(prel_j2)/getmod(pj2boost)
endif
enddo
l=(i-1)*54
if(flag)then
call HwU_fill(l+ 1,1d0,wgts)
call HwU_fill(l+ 2,ptH,wgts)
call HwU_fill(l+ 3,ptH,wgts)
if(ptH.gt.0d0) call HwU_fill(l+ 4,log10(ptH),wgts)
call HwU_fill(l+ 5,etaH,wgts)
call HwU_fill(l+ 6,yH,wgts)
call HwU_fill(l+ 46,njdble,wgts)
if(njet.ge.1)then
call HwU_fill(l+ 7,ptj1,wgts)
call HwU_fill(l+ 8,ptj1,wgts)
if (ptj1.gt.0d0) call HwU_fill(l+ 9,log10(ptj1),wgts)
call HwU_fill(l+ 10,etaj1,wgts)
call HwU_fill(l+ 11,yj1,wgts)
call HwU_fill(l+ 22,ptHj,wgts)
call HwU_fill(l+ 23,ptHj,wgts)
if(ptHj.gt.0d0) call HwU_fill(l+ 24,log10(ptHj),wgts)
call HwU_fill(l+ 25,etaHj,wgts)
call HwU_fill(l+ 26,yHj,wgts)
call HwU_fill(l+ 37,DphiHj1,wgts)
call HwU_fill(l+ 40,DRHj1,wgts)
call HwU_fill(l+ 47,ptrel_j1,wgts)
endif
if(njet.ge.2)then
call HwU_fill(l+ 12,ptj2,wgts)
call HwU_fill(l+ 13,ptj2,wgts)
if (ptj2.gt.0d0) call HwU_fill(l+ 14,log10(ptj2),wgts)
call HwU_fill(l+ 15,etaj2,wgts)
call HwU_fill(l+ 16,yj2,wgts)
call HwU_fill(l+ 27,ptjj,wgts)
call HwU_fill(l+ 28,ptjj,wgts)
if(ptjj.gt.0d0) call HwU_fill(l+ 29,log10(ptjj),wgts)
call HwU_fill(l+ 30,etajj,wgts)
call HwU_fill(l+ 31,yjj,wgts)
call HwU_fill(l+ 32,ptsyst,wgts)
call HwU_fill(l+ 33,ptsyst,wgts)
if(ptsyst.gt.0d0) call HwU_fill(l+ 34,log10(ptsyst),wgts)
call HwU_fill(l+ 35,etasyst,wgts)
call HwU_fill(l+ 36,ysyst,wgts)
call HwU_fill(l+ 38,DphiHj2,wgts)
call HwU_fill(l+ 39,Dphij1j2,wgts)
call HwU_fill(l+ 41,DRHj2,wgts)
call HwU_fill(l+ 42,DRj1j2,wgts)
call HwU_fill(l+ 43,mj1j2,wgts)
call HwU_fill(l+ 44,Dyj1j2,wgts)
call HwU_fill(l+ 48,ptrel_j2,wgts)
endif
if(njet.ge.3)then
call HwU_fill(l+ 17,ptj3,wgts)
call HwU_fill(l+ 18,ptj3,wgts)
if(ptj3.gt.0d0) call HwU_fill(l+ 19,log10(ptj3),wgts)
call HwU_fill(l+ 20,etaj3,wgts)
call HwU_fill(l+ 21,yj3,wgts)
call HwU_fill(l+ 45,yj3rel,wgts)
endif
if (ijveto.gt.0) then
pt_veto = getptv4(pjveto)
do k=1,nbinveto
if (pt_veto.gt. (vetomin+(vetomax-vetomin)*dble(k-1)
$ /dble(nbinveto))) then
call HwU_fill(l+49, (vetomax-vetomin)* dble(k)
$ /dble(nbinveto)*0.99, wgts/xsecup2)
endif
enddo
call HwU_fill(l+50,pt_veto,wgts)
call HwU_fill(l+51,pt_veto,wgts)
if (pt_veto.gt.0d0) call HwU_fill(l+52,dlog10(pt_veto),wgts)
call HwU_fill(l+53,getpseudorapv4(pjveto),wgts)
call HwU_fill(l+54,getrapidityv4(pjveto),wgts)
endif
endif
enddo
999 return
end
function getrapidity(en,pl)
implicit none
real*8 getrapidity,en,pl,tiny,xplus,xminus,y
parameter (tiny=1.d-8)
c
xplus=en+pl
xminus=en-pl
if(xplus.gt.tiny.and.xminus.gt.tiny)then
if( (xplus/xminus).gt.tiny.and.(xminus/xplus).gt.tiny )then
y=0.5d0*log( xplus/xminus )
else
y=sign(1.d0,pl)*1.d8
endif
else
y=sign(1.d0,pl)*1.d8
endif
getrapidity=y
return
end
function getpseudorap(en,ptx,pty,pl)
implicit none
real*8 getpseudorap,en,ptx,pty,pl,tiny,pt,eta,th
parameter (tiny=1.d-5)
c
pt=sqrt(ptx**2+pty**2)
if(pt.lt.tiny.and.abs(pl).lt.tiny)then
eta=sign(1.d0,pl)*1.d8
else
th=atan2(pt,pl)
eta=-log(tan(th/2.d0))
endif
getpseudorap=eta
return
end
function getinvm(en,ptx,pty,pl)
implicit none
real*8 getinvm,en,ptx,pty,pl,tiny,tmp
parameter (tiny=1.d-5)
c
tmp=en**2-ptx**2-pty**2-pl**2
if(tmp.gt.0.d0)then
tmp=sqrt(tmp)
elseif(tmp.gt.-tiny)then
tmp=0.d0
else
write(*,*)'Attempt to compute a negative mass'
stop
endif
getinvm=tmp
return
end
function getdelphi(ptx1,pty1,ptx2,pty2)
implicit none
real*8 getdelphi,ptx1,pty1,ptx2,pty2,tiny,pt1,pt2,tmp
parameter (tiny=1.d-5)
c
pt1=sqrt(ptx1**2+pty1**2)
pt2=sqrt(ptx2**2+pty2**2)
if(pt1.ne.0.d0.and.pt2.ne.0.d0)then
tmp=ptx1*ptx2+pty1*pty2
tmp=tmp/(pt1*pt2)
if(abs(tmp).gt.1.d0+tiny)then
write(*,*)'Cosine larger than 1'
stop
elseif(abs(tmp).ge.1.d0)then
tmp=sign(1.d0,tmp)
endif
tmp=acos(tmp)
else
tmp=1.d8
endif
getdelphi=tmp
return
end
function getdr(en1,ptx1,pty1,pl1,en2,ptx2,pty2,pl2)
implicit none
real*8 getdr,en1,ptx1,pty1,pl1,en2,ptx2,pty2,pl2,deta,dphi,
# getpseudorap,getdelphi
c
deta=getpseudorap(en1,ptx1,pty1,pl1)-
# getpseudorap(en2,ptx2,pty2,pl2)
dphi=getdelphi(ptx1,pty1,ptx2,pty2)
getdr=sqrt(dphi**2+deta**2)
return
end
function getdry(en1,ptx1,pty1,pl1,en2,ptx2,pty2,pl2)
implicit none
real*8 getdry,en1,ptx1,pty1,pl1,en2,ptx2,pty2,pl2,deta,dphi,
# getrapidity,getdelphi
c
deta=getrapidity(en1,pl1)-
# getrapidity(en2,pl2)
dphi=getdelphi(ptx1,pty1,ptx2,pty2)
getdry=sqrt(dphi**2+deta**2)
return
end
function getptv(p)
implicit none
real*8 getptv,p(5)
c
getptv=sqrt(p(1)**2+p(2)**2)
return
end
function getpseudorapv(p)
implicit none
real*8 getpseudorapv,p(5)
real*8 getpseudorap
c
getpseudorapv=getpseudorap(p(4),p(1),p(2),p(3))
return
end
function getrapidityv(p)
implicit none
real*8 getrapidityv,p(5)
real*8 getrapidity
c
getrapidityv=getrapidity(p(4),p(3))
return
end
function getdrv(p1,p2)
implicit none
real*8 getdrv,p1(5),p2(5)
real*8 getdr
c
getdrv=getdr(p1(4),p1(1),p1(2),p1(3),
# p2(4),p2(1),p2(2),p2(3))
return
end
function getinvmv(p)
implicit none
real*8 getinvmv,p(5)
real*8 getinvm
c
getinvmv=getinvm(p(4),p(1),p(2),p(3))
return
end
function getdelphiv(p1,p2)
implicit none
real*8 getdelphiv,p1(5),p2(5)
real*8 getdelphi
c
getdelphiv=getdelphi(p1(1),p1(2),
# p2(1),p2(2))
return
end
function getptv4(p)
implicit none
real*8 getptv4,p(0:3)
c
getptv4=sqrt(p(1)**2+p(2)**2)
return
end
function getpseudorapv4(p)
implicit none
real*8 getpseudorapv4,p(0:3)
real*8 getpseudorap
c
getpseudorapv4=getpseudorap(p(0),p(1),p(2),p(3))
return
end
function getrapidityv4(p)
implicit none
real*8 getrapidityv4,p(0:3)
real*8 getrapidity
c
getrapidityv4=getrapidity(p(0),p(3))
return
end
function getdrv4(p1,p2)
implicit none
real*8 getdrv4,p1(0:3),p2(0:3)
real*8 getdr
c
getdrv4=getdr(p1(0),p1(1),p1(2),p1(3),
# p2(0),p2(1),p2(2),p2(3))
return
end
function getinvmv4(p)
implicit none
real*8 getinvmv4,p(0:3)
real*8 getinvm
c
getinvmv4=getinvm(p(0),p(1),p(2),p(3))
return
end
function getdelphiv4(p1,p2)
implicit none
real*8 getdelphiv4,p1(0:3),p2(0:3)
real*8 getdelphi
c
getdelphiv4=getdelphi(p1(1),p1(2),
# p2(1),p2(2))
return
end
function getcosv4(q1,q2)
implicit none
real*8 getcosv4,q1(0:3),q2(0:3)
real*8 xnorm1,xnorm2,tmp
c
if(q1(0).lt.0.d0.or.q2(0).lt.0.d0)then
getcosv4=-1.d10
return
endif
xnorm1=sqrt(q1(1)**2+q1(2)**2+q1(3)**2)
xnorm2=sqrt(q2(1)**2+q2(2)**2+q2(3)**2)
if(xnorm1.lt.1.d-6.or.xnorm2.lt.1.d-6)then
tmp=-1.d10
else
tmp=q1(1)*q2(1)+q1(2)*q2(2)+q1(3)*q2(3)
tmp=tmp/(xnorm1*xnorm2)
if(abs(tmp).gt.1.d0.and.abs(tmp).le.1.001d0)then
tmp=sign(1.d0,tmp)
elseif(abs(tmp).gt.1.001d0)then
write(*,*)'Error in getcosv4',tmp
stop
endif
endif
getcosv4=tmp
return
end
function getmod(p)
implicit none
double precision p(0:3),getmod
getmod=sqrt(p(1)**2+p(2)**2+p(3)**2)
return
end
subroutine getperpenv4(q1,q2,qperp)
c Normal to the plane defined by \vec{q1},\vec{q2}
implicit none
real*8 q1(0:3),q2(0:3),qperp(0:3)
real*8 xnorm1,xnorm2
integer i
c
xnorm1=sqrt(q1(1)**2+q1(2)**2+q1(3)**2)
xnorm2=sqrt(q2(1)**2+q2(2)**2+q2(3)**2)
if(xnorm1.lt.1.d-6.or.xnorm2.lt.1.d-6)then
do i=1,4
qperp(i)=-1.d10
enddo
else
qperp(1)=q1(2)*q2(3)-q1(3)*q2(2)
qperp(2)=q1(3)*q2(1)-q1(1)*q2(3)
qperp(3)=q1(1)*q2(2)-q1(2)*q2(1)
do i=1,3
qperp(i)=qperp(i)/(xnorm1*xnorm2)
enddo
qperp(0)=1.d0
endif
return
end
subroutine getwedge(p1,p2,pout)
implicit none
real*8 p1(0:3),p2(0:3),pout(0:3)
pout(1)=p1(2)*p2(3)-p1(3)*p2(2)
pout(2)=p1(3)*p2(1)-p1(1)*p2(3)
pout(3)=p1(1)*p2(2)-p1(2)*p2(1)
pout(0)=0d0
return
end
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