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mono_setcuts.f
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SUBROUTINE SETCUTS
C**************************************************************************
C SET THE CUTS
C**************************************************************************
IMPLICIT NONE
c
c INCLUDE
c
include 'genps.inc'
include 'nexternal.inc'
include 'coupl.inc'
include 'run.inc'
include 'cuts.inc'
c
c Constants
c
double precision zero
parameter (ZERO = 0d0)
real*8 Pi
parameter( Pi = 3.14159265358979323846d0 )
integer lun
parameter (lun=22)
c
c LOCAL
c
integer i,j,k
integer icollider,detail_level
integer ncheck
logical done,fopened
logical from_decay(-(nexternal+3):nexternal)
C
C GLOBAL
C
c--masses and poles
double precision pmass(nexternal)
common/to_mass/ pmass
DOUBLE PRECISION qmass(2)
COMMON/to_qmass/qmass
double precision spole(maxinvar),swidth(maxinvar),bwjac
common/to_brietwigner/spole ,swidth ,bwjac
double precision Smin
common/to_smin/ Smin
c--cuts
double precision etmin(nincoming+1:nexternal)
double precision etamax(nincoming+1:nexternal)
double precision emin(nincoming+1:nexternal)
double precision r2min(nincoming+1:nexternal,nincoming+1:nexternal)
double precision s_min(nexternal,nexternal)
double precision etmax(nincoming+1:nexternal)
double precision etamin(nincoming+1:nexternal)
double precision emax(nincoming+1:nexternal)
double precision r2max(nincoming+1:nexternal,nincoming+1:nexternal)
double precision s_max(nexternal,nexternal)
double precision ptll_min(nexternal,nexternal),ptll_max(nexternal,nexternal)
double precision inclHtmin,inclHtmax
common/to_cuts/ etmin, emin, etamax, r2min, s_min,
$ etmax, emax, etamin, r2max, s_max, ptll_min, ptll_max, inclHtmin,inclHtmax
double precision ptjmin4(4),ptjmax4(4),htjmin4(2:4),htjmax4(2:4)
logical jetor
common/to_jet_cuts/ ptjmin4,ptjmax4,htjmin4,htjmax4,jetor
double precision ptlmin4(4),ptlmax4(4)
common/to_lepton_cuts/ ptlmin4,ptlmax4
double precision xqcutij(nexternal,nexternal),xqcuti(nexternal)
common/to_xqcuts/xqcutij,xqcuti
c
c les houches accord stuff to identify neutrinos
c
include 'maxamps.inc'
integer idup(nexternal,maxproc,maxsproc)
integer mothup(2,nexternal)
integer icolup(2,nexternal,maxflow,maxsproc)
include 'leshouche.inc'
C
LOGICAL IS_A_J(NEXTERNAL),IS_A_L(NEXTERNAL)
LOGICAL IS_A_B(NEXTERNAL),IS_A_A(NEXTERNAL),IS_A_ONIUM(NEXTERNAL)
LOGICAL IS_A_NU(NEXTERNAL),IS_HEAVY(NEXTERNAL)
logical do_cuts(nexternal)
COMMON /TO_SPECISA/IS_A_J,IS_A_A,IS_A_L,IS_A_B,IS_A_NU,IS_HEAVY,
. IS_A_ONIUM, do_cuts
c Store which external particles undergo the ktdurham and ptlund cuts.
LOGICAL is_pdg_for_merging_cut(NEXTERNAL)
COMMON /TO_MERGE_CUTS/is_pdg_for_merging_cut, from_decay
c
c
c reading parameters
include 'run_config.inc'
character*20 param(maxpara),value(maxpara)
integer npara
c For checking the consistency of the grouping and the cuts defined here
integer iproc
character*20 fail_reason
LOGICAL IS_A_J_SAVE(NEXTERNAL),IS_A_L_SAVE(NEXTERNAL)
$ ,IS_A_B_SAVE(NEXTERNAL),IS_A_A_SAVE(NEXTERNAL)
$ ,IS_A_ONIUM_SAVE(NEXTERNAL),IS_A_NU_SAVE(NEXTERNAL)
$ ,IS_HEAVY_SAVE(NEXTERNAL),DO_CUTS_SAVE(NEXTERNAL)
double precision r2min_save(nexternal,nexternal)
$ ,r2max_save(nexternal,nexternal),s_min_save(nexternal
$ ,nexternal),s_max_save(nexternal,nexternal)
$ ,ptll_min_save(nexternal,nexternal),ptll_max_save(nexternal
$ ,nexternal),etmin_save(nexternal),etmax_save(nexternal)
$ ,emin_save(nexternal) ,emax_save(nexternal)
$ ,etamin_save(nexternal),etamax_save(nexternal)
save IS_A_J_SAVE,IS_A_L_SAVE,IS_A_B_SAVE,IS_A_A_SAVE
$ ,IS_A_ONIUM_SAVE,IS_A_NU_SAVE,IS_HEAVY_SAVE
$ ,r2min_save,r2max_save,s_min_save,s_max_save,ptll_min_save
$ ,ptll_max_save,etmin_save,etmax_save,emin_save,emax_save
$ ,etamin_save,etamax_save
c
c count the number of j/bjet/photon/lepton
c
integer nb_j, nb_b, nb_a, nb_l, nb_nocut,nb_pdg
double precision smin_p, smin_m ! local variable to compute smin
c
c setup masses for the final-state particles
c
include 'pmass.inc'
C-----
C BEGIN CODE
C-----
c
c read the cuts from the run_card.dat - this should already be done in main program
c
c call setrun
c
c No pdfs for decay processes - set here since here we know the nincoming
c Also set stot here, and use mass of incoming particle for ren scale
c
if(nincoming.eq.1)then
lpp(1)=0
lpp(2)=0
ebeam(1)=pmass(1)/2d0
ebeam(2)=pmass(1)/2d0
if (.not.fixed_ren_scale)then
scale=pmass(1)
fixed_ren_scale=.true.
endif
fixed_fac_scale=.true.
use_syst=.false.
endif
c
c set ptj and s_min if xqcut and ktscheme = 1, to improve
c integration speed, and set drjj and drjl to 0.
c
if(xqcut.gt.0) then
if(auto_ptj_mjj.and.ptj.ge.0d0.and.ktscheme.eq.1)then
ptj=xqcut
write(*,*) 'Warning! ptj set to xqcut=',xqcut,
$ ' to improve integration efficiency'
write(*,*) 'Note that this might affect non-radiated jets,'
write(*,*) 'e.g. from decays. Use cut_decays=F in run_card.'
else if(ptj.gt.xqcut)then
ptj=0d0
write(*,*) 'Warning! ptj set to 0 since xqcut > 0 and'
write(*,*) ' auto_ptj_mjj = F or ktscheme > 1'
endif
if(auto_ptj_mjj.and.mmjj.ge.0d0)then
mmjj=xqcut
write(*,*) 'Warning! mmjj set to xqcut=',xqcut,
$ ' to improve integration efficiency'
write(*,*) 'Note that this might affect non-radiated jets,'
write(*,*) 'e.g. from decays. Use cut_decays=F in run_card.'
else if(mmjj.gt.xqcut)then
c In principle this should never happen since the banner.py
c is expected to correct this already.
mmjj=0d0
write(*,*) 'Warning! mmjj set to 0 since xqcut > 0 and'
write(*,*) ' auto_ptj_mjj = F'
endif
if(drjj.gt.0d0) then
write(*,*) 'Warning! drjj > 0 with xqcut > 0, set to 0'
drjj = 0d0
endif
if(drjl.gt.0d0) then
write(*,*) 'Warning! drjl > 0 with xqcut > 0, set to 0'
drjl = 0d0
endif
endif
c Check which particles come from decays
if(.not.cut_decays)
$ call check_decay(from_decay)
do iproc=1,maxsproc
c
c check if I have to apply cuts on the particles
c
do i=nincoming+1,nexternal
do_cuts(i)=.true.
if(.not.cut_decays.and.from_decay(i)) do_cuts(i)=.false.
is_a_j(i)=.false.
is_a_l(i)=.false.
is_a_b(i)=.false.
is_a_a(i)=.false.
is_a_nu(i)=.false.
c-do not apply cuts to these. CAREFULL: PDG_CUT do not consider do_cuts (they simply check the cut_decays)
if (pmass(i).gt.20d0) do_cuts(i)=.false. ! no cuts on top,W,Z,H
if (abs(idup(i,1,iproc)).eq.12) do_cuts(i)=.false. ! no cuts on ve ve~
if (abs(idup(i,1,iproc)).eq.14) do_cuts(i)=.false. ! no cuts on vm vm~
if (abs(idup(i,1,iproc)).eq.16) do_cuts(i)=.false. ! no cuts on vt vt~
c-flavor-jets
if (abs(idup(i,1,iproc)).le.min(maxjetflavor,6)) then
is_a_j(i)=.true.
c write(*,*)'jet:ithe pdg is ',abs(idup(i,1,iproc)),' maxflavor=',maxjetflavor
else if (abs(idup(i,1,iproc)).ge.maxjetflavor+1 .and. abs(idup(i,1,iproc)).le.5) then
is_a_b(i)=.true.
c write(*,*)'bjet:the pdg is ',abs(idup(i,1,iproc)),' maxflavor=',maxjetflavor
endif
if (abs(idup(i,1,iproc)).eq.21) is_a_j(i)=.true. ! gluon is a jet
c-charged-leptons
if (abs(idup(i,1,iproc)).eq.11) is_a_l(i)=.true. ! e+ e-
if (abs(idup(i,1,iproc)).eq.13) is_a_l(i)=.true. ! mu+ mu-
if (abs(idup(i,1,iproc)).eq.15) is_a_l(i)=.true. ! ta+ ta-
c-b-quarks
c if (abs(idup(i,1,iproc)).eq.5) is_a_b(i)=.true. ! b b~
c-photon
if (idup(i,1,iproc).eq.22) is_a_a(i)=.true. ! photon
c-neutrino's for missing et
if (abs(idup(i,1,iproc)).eq.12) is_a_nu(i)=.true. ! no cuts on ve ve~
if (abs(idup(i,1,iproc)).eq.14) is_a_nu(i)=.true. ! no cuts on vm vm~
if (abs(idup(i,1,iproc)).eq.16) is_a_nu(i)=.true. ! no cuts on vt vt~
if (abs(idup(i,1,iproc)).eq.62) is_a_nu(i)=.true. ! no cuts on vt vt~
if (pmass(i).gt.10d0) is_heavy(i)=.true. ! heavy fs particle
c-onium
c Remember mergeable particles
do j=1,pdgs_for_merging_cut(0)
if ( pdgs_for_merging_cut(j) .ne. 0
$ .and. abs(idup(i,1,iproc)) .eq.pdgs_for_merging_cut(j)
$ .and..not.from_decay(i) ) then
is_pdg_for_merging_cut(i)=.true.
exit
endif
enddo
enddo
c
c et and eta cuts
c
do i=nincoming+1,nexternal
etmin(i) = 0d0
etmax(i) = -1
emin(i) = 0d0
emax(i) = -1
etamin(i) = 0d0
etamax(i) = -1
if(do_cuts(i)) then
c JET
if(is_a_j(i))then
etmin(i)=ptj
etmax(i)=ptjmax
emin(i)=ej
emax(i)=ejmax
etamax(i)=etaj
etamin(i)=etajmin
endif
c LEPTON
if(is_a_l(i))then
etmin(i)=ptl
etmax(i)=ptlmax
emin(i)=el
emax(i)=elmax
etamax(i)=etal
etamin(i)=etalmin
endif
c BJET
if(is_a_b(i))then
etmin(i)=ptb
etmax(i)=ptbmax
emin(i)=eb
emax(i)=ebmax
etamax(i)=etab
etamin(i)=etabmin
endif
c PHOTON
if(is_a_a(i))then
etmin(i) = max(pta, ptgmin)
etmax(i)=ptamax
emin(i)=ea
emax(i)=eamax
etamax(i)=etaa
etamin(i)=etaamin
endif
c QUARKONIUM
c if(is_a_onium(i))then
c etmin(i)=ptonium
c SMIN = SMIN + max(0d0,ptonium**2
c etamax(i)=etaonium
c endif
endif
enddo
c
c check for pdg specific cut
c
if (pdg_cut(1).ne.0)then
do j=1,pdg_cut(0)
do i=nincoming+1, nexternal
if(.not.cut_decays.and.from_decay(i))then
cycle
endif
if (abs(idup(i, 1, iproc)).eq.pdg_cut(j))then
etmin(i) = ptmin4pdg(j)
etmax(i)= ptmax4pdg(j)
emin(i)= Emin4pdg(j)
emax(i)= Emax4pdg(j)
etamin(i)= etamin4pdg(j)
etamax(i)= etamax4pdg(j)
endif
enddo
enddo
endif
c
c delta r cut
c
do i=nincoming+1,nexternal-1
do j=i+1,nexternal
r2min(j,i)=0d0
r2max(j,i)=-1
if(do_cuts(i).and.do_cuts(j)) then
if(is_a_j(i).and.is_a_j(j)) r2min(j,i)=drjj
if(is_a_b(i).and.is_a_b(j)) r2min(j,i)=drbb
if(is_a_l(i).and.is_a_l(j)) r2min(j,i)=drll
if(is_a_a(i).and.is_a_a(j)) r2min(j,i)=draa
if((is_a_b(i).and.is_a_j(j)).or.
& (is_a_j(i).and.is_a_b(j))) r2min(j,i)=drbj
if((is_a_a(i).and.is_a_j(j)).or.
& (is_a_j(i).and.is_a_a(j))) r2min(j,i)=draj
if((is_a_l(i).and.is_a_j(j)).or.
& (is_a_j(i).and.is_a_l(j))) r2min(j,i)=drjl
if((is_a_b(i).and.is_a_a(j)).or.
& (is_a_a(i).and.is_a_b(j))) r2min(j,i)=drab
if((is_a_b(i).and.is_a_l(j)).or.
& (is_a_l(i).and.is_a_b(j))) r2min(j,i)=drbl
if((is_a_l(i).and.is_a_a(j)).or.
& (is_a_a(i).and.is_a_l(j))) r2min(j,i)=dral
if(is_a_j(i).and.is_a_j(j)) r2max(j,i)=drjjmax
if(is_a_b(i).and.is_a_b(j)) r2max(j,i)=drbbmax
if(is_a_l(i).and.is_a_l(j)) r2max(j,i)=drllmax
if(is_a_a(i).and.is_a_a(j)) r2max(j,i)=draamax
if((is_a_b(i).and.is_a_j(j)).or.
& (is_a_j(i).and.is_a_b(j))) r2max(j,i)=drbjmax
if((is_a_a(i).and.is_a_j(j)).or.
& (is_a_j(i).and.is_a_a(j))) r2max(j,i)=drajmax
if((is_a_l(i).and.is_a_j(j)).or.
& (is_a_j(i).and.is_a_l(j))) r2max(j,i)=drjlmax
if((is_a_b(i).and.is_a_a(j)).or.
& (is_a_a(i).and.is_a_b(j))) r2max(j,i)=drabmax
if((is_a_b(i).and.is_a_l(j)).or.
& (is_a_l(i).and.is_a_b(j))) r2max(j,i)=drblmax
if((is_a_l(i).and.is_a_a(j)).or.
& (is_a_a(i).and.is_a_l(j))) r2max(j,i)=dralmax
endif
enddo
enddo
c
c smin cut
c
do i=nincoming+1,nexternal-1
do j=i+1,nexternal
s_min(j,i)=0.0d0**2
s_max(j,i)=-1
if(do_cuts(i).and.do_cuts(j)) then
if(is_a_j(i).and.is_a_j(j)) s_min(j,i)=mmjj*dabs(mmjj)
if(is_a_a(i).and.is_a_a(j)) s_min(j,i)=mmaa*dabs(mmaa)
if( is_a_b(i).and.is_a_b(j) ) s_min(j,i)=mmbb*dabs(mmbb)
if((is_a_l(i).and.is_a_l(j)).and.
& (abs(idup(i,1,iproc)).eq.abs(idup(j,1,iproc))).and.
& (idup(i,1,iproc)*idup(j,1,iproc).lt.0))
& s_min(j,i)=mmll*dabs(mmll) !only on l+l- pairs (same flavour)
if(is_a_j(i).and.is_a_j(j)) s_max(j,i)=mmjjmax*dabs(mmjjmax)
if(is_a_a(i).and.is_a_a(j)) s_max(j,i)=mmaamax*dabs(mmaamax)
if( is_a_b(i).and.is_a_b(j) ) s_max(j,i)=mmbbmax*dabs(mmbbmax)
if((is_a_l(i).and.is_a_l(j)).and.
& (abs(idup(i,1,iproc)).eq.abs(idup(j,1,iproc))).and.
& (idup(i,1,iproc)*idup(j,1,iproc).lt.0))
& s_max(j,i)=mmllmax*dabs(mmllmax) !only on l+l- pairs (same flavour)
endif
enddo
enddo
c
c smin cut from PDG cut
c
if (pdg_cut(1).ne.0)then
do k=1,pdg_cut(0)
do i=nincoming+1, nexternal
if(.not.cut_decays.and.from_decay(i))then
cycle
endif
if (abs(idup(i, 1, iproc)).ne.pdg_cut(k))then
cycle
endif
do j = i+1,nexternal
if(.not.cut_decays.and.from_decay(j))then
cycle
endif
if (mxxpart_antipart(k))then
if (idup(j, 1, iproc).eq.-1*idup(i, 1, iproc))then
s_min(j,i) = mxxmin4pdg(k)**2
endif
else
if (abs(idup(j, 1, iproc)).eq.pdg_cut(k))then
s_min(j,i) = mxxmin4pdg(k)**2
endif
endif
enddo
enddo
enddo
endif
c
c ptll cut (min and max)
c
do i=nincoming+1,nexternal-1
do j=i+1,nexternal
ptll_min(j,i)=0.0d0**2
ptll_max(j,i)=-1
if(((is_a_l(i).and.is_a_l(j)).and.
& (abs(idup(i,1,iproc)).eq.abs(idup(j,1,iproc))).and.
& (idup(i,1,iproc)*idup(j,1,iproc).lt.0)) ! Leptons from same flavor but different charge
& .or.(is_a_nu(i).and.is_a_l(j))
& .or.(is_a_l(i).and.is_a_nu(j)) !a lepton and a neutrino
& .or.(is_a_nu(i).and.is_a_nu(j))) then ! two neutrinos
ptll_min(j,i)=ptllmin*dabs(ptllmin)
ptll_max(j,i)=ptllmax*dabs(ptllmax)
endif
enddo
enddo
c
c EXTRA JET CUTS
c
ptjmin4(1)=ptj1min
ptjmin4(2)=ptj2min
ptjmin4(3)=ptj3min
ptjmin4(4)=ptj4min
ptjmax4(1)=ptj1max
ptjmax4(2)=ptj2max
ptjmax4(3)=ptj3max
ptjmax4(4)=ptj4max
Htjmin4(2)=ht2min
htjmin4(3)=ht3min
htjmin4(4)=ht4min
htjmax4(2)=ht2max
htjmax4(3)=ht3max
htjmax4(4)=ht4max
inclHtmin=ihtmin
inclHtmax=ihtmax
jetor = cutuse.eq.0
c
c EXTRA LEPTON CUTS
c
ptlmin4(1)=ptl1min
ptlmin4(2)=ptl2min
ptlmin4(3)=ptl3min
ptlmin4(4)=ptl4min
ptlmax4(1)=ptl1max
ptlmax4(2)=ptl2max
ptlmax4(3)=ptl3max
ptlmax4(4)=ptl4max
c
c Compute Smin (for efficiency purpose)
c
smin = 0d0
c check for the jet
smin_m = 0d0
smin_p = 0d0
nb_j = 0
nb_nocut = 0
do i=nincoming+1,nexternal
if (is_a_j(i)) then
nb_j = nb_j + 1
smin_m = smin_m - pmass(i)**2
if (do_cuts(i))then
if (nb_j.eq.1) then
smin_p = smin_p + max(ej,ptj,xptj,0d0,
& max(ptj1min,ptj2min,ptj3min,ptj4min))
elseif(nb_j.eq.2) then
smin_p = max(ht2min, smin_p + max(ej,ptj,0d0,
& max(ptj2min,ptj3min,ptj4min)))
elseif(nb_j.eq.3) then
smin_p = max(ht3min, smin_p + max(ej,ptj,0d0,
& max(ptj3min,ptj4min)))
elseif(nb_j.eq.4) then
smin_p = max(ht4min, smin_p + max(ej,ptj,ptj4min,0d0))
else
smin_p = smin_p + max(ej,ptj,0d0)
endif
else
nb_nocut = nb_nocut + 1
if (nb_j.eq.1) then
smin_p = smin_p + max(0d0,ptj1min,ptj2min,ptj3min,ptj4min)
elseif(nb_j.eq.2) then
smin_p = max(ht2min, smin_p + max(ptj2min,ptj3min,ptj4min,0d0))
elseif(nb_j.eq.3) then
smin_p = max(ht3min, smin_p + max(0d0,ptj3min,ptj4min))
elseif(nb_j.eq.4) then
smin_p = max(ht4min, smin_p + max(ptj4min,0d0))
endif
endif
endif
enddo
if (nb_j.gt.0)then
if ((nb_j-nb_nocut).gt.0)then
smin_m = smin_m + (nb_j-nb_nocut)*(nb_j-nb_nocut-1)/2d0*mmjj**2
endif
smin = smin + max(smin_p**2, smin_m, htjmin**2)
endif
c check for the bjet
smin_m = 0d0
smin_p = 0d0
nb_b = 0
nb_nocut = 0
do i=nincoming+1,nexternal
if (is_a_b(i).and.do_cuts(i)) then
nb_b = nb_b + 1
smin_m = smin_m - pmass(i)**2
if (do_cuts(i)) then
if (nb_b.eq.1) then
smin_p = smin_p + max(eb,ptb,xptb,0d0)
else
smin_p = smin_p + max(eb,ptb,0d0)
endif
else
nb_nocut = nb_nocut +1
if (nb_b.eq.1) then
smin_p = smin_p + max(xptb,0d0)
endif
endif
endif
enddo
if (nb_b.gt.0)then
if ((nb_b-nb_nocut).gt.0) then
smin_m = smin_m + (nb_b-nb_nocut)*(nb_b-nb_nocut-1)/2d0*mmbb**2
endif
smin = smin + max(smin_p**2, smin_m, (ihtmin**2-htjmin**2))
endif
c check for the photon
smin_m = 0d0
smin_p = 0d0
nb_a = 0
nb_nocut = 0
do i=nincoming+1,nexternal
if (is_a_a(i))then
nb_a = nb_a + 1
if (do_cuts(i))then
if (ptgmin.eq.0d0) then
if (nb_a.eq.1) then
smin_p = smin_p + max(ea,pta,xpta,0d0)
else
smin_p = smin_p + max(ea,pta,0d0)
endif
endif
else
nb_nocut = nb_nocut + 1
if(ptgmin.eq.0d0)then
if (nb_a.eq.1) then
smin_p = smin_p + max(xpta,0d0)
endif
endif
endif
endif
enddo
if (nb_a.gt.0) then
if ((nb_a-nb_nocut).gt.0)then
smin_m = (nb_a-nb_nocut)*(nb_a-nb_nocut-1)/2d0*mmaa**2
endif
smin = smin + max(smin_p**2, smin_m)
endif
c check for lepton
smin_m = 0d0
smin_p = 0d0
nb_l = 0
nb_nocut = 0
do i=nincoming+1,nexternal-1
if (is_a_l(i))then
nb_l = nb_l + 1
smin_m = smin_m - pmass(i)**2
if (do_cuts(i))then
if (nb_l.eq.1) then
smin_p = smin_p + max(el,ptl,xptl,0d0,
& max(ptl1min,ptl2min,ptl3min,ptl4min))
elseif(nb_l.eq.2) then
smin_p = smin_p + max(el,ptl,0d0,max(ptl2min,ptl3min,ptl4min))
elseif(nb_l.eq.3) then
smin_p = smin_p + max(el,ptl,0d0, max(ptl3min,ptl4min))
elseif(nb_l.eq.4) then
smin_p = smin_p + max(el,ptl,ptl4min,0d0)
else
smin_p = smin_p + max(el,ptl,0d0)
endif
else
nb_nocut = nb_nocut + 1
if (nb_l.eq.1) then
smin_p = smin_p + max(xptl,0d0,
& max(ptl1min,ptl2min,ptl3min,ptl4min))
elseif(nb_l.eq.2) then
smin_p = smin_p + max(0d0,ptl2min,ptl3min,ptl4min)
elseif(nb_l.eq.3) then
smin_p = smin_p + max(0d0,ptl3min,ptl4min)
elseif(nb_l.eq.4) then
smin_p = smin_p + max(ptl4min,0d0)
endif
endif
endif
enddo
if (nb_l.gt.0)then
if ((nb_l-nb_nocut).gt.0)then
smin_m = smin_m + (nb_l-nb_nocut)*((nb_l-nb_nocut)-1)/2d0*mmll**2
endif
smin = smin + max(smin_p**2, smin_m, mmnl**2, ptllmin**2, misset**2)
endif
c check for other PDG particle
do i = 1,pdg_cut(0)
nb_pdg=0
do j=nincoming, nexternal
if (abs(idup(i,1,iproc)).eq.pdg_cut(i))then
k = j ! use to get the mass
if(do_cuts(i)) nb_pdg = nb_pdg + 1
endif
enddo
if (nb_pdg.gt.0)then
smin_p = nb_pdg *(pmass(k)**2 + ptmin4pdg(i)**2)
smin_m = nb_pdg*((2-nb_pdg)*pmass(k)**2 + (nb_pdg-1)/2.*mxxmin4pdg(i)**2)
smin = smin + max(smin_p, smin_m)
endif
enddo
c ensure symmetry of s_min(i,j)
do i=nincoming+1,nexternal-1
do j=nincoming+1,nexternal-1
if(j.lt.i)then
s_min(i,j) = max(s_min(j,i),s_min(i,j))
endif
enddo
enddo
write(*,*) "Define smin to", smin
c Check that results are consistent among all the grouped subprocesses
if (iproc.eq.1) then
do i=nincoming+1,nexternal
do_cuts_save(i)=do_cuts(i)
is_a_j_save(i)=is_a_j(i)
is_a_b_save(i)=is_a_b(i)
is_a_l_save(i)=is_a_l(i)
is_a_a_save(i)=is_a_a(i)
is_a_nu_save(i)=is_a_nu(i)
is_a_onium_save(i)=is_a_onium(i)
is_heavy_save(i)=is_heavy(i)
etmin_save(i)=etmin(i)
etmax_save(i)=etmax(i)
emin_save(i)=emin(i)
emax_save(i)=emax(i)
etamin_save(i)=etamin(i)
etamax_save(i)=etamax(i)
if (i.eq.nexternal) cycle
do j=i+1,nexternal
r2min_save(j,i) = r2min(j,i)
r2max_save(j,i) = r2max(j,i)
s_min_save(j,i) = s_min(j,i)
s_max_save(j,i) = s_max(j,i)
ptll_min_save(j,i) = ptll_min(j,i)
ptll_max_save(j,i) = ptll_max(j,i)
enddo
enddo
else
fail_reason = ''
do i=nincoming+1,nexternal
if (do_cuts_save(i).neqv.do_cuts(i)) fail_reason = 'do_cuts'
if (is_a_j_save(i).neqv.is_a_j(i)) then
if (ptjmin4(1).gt.0d0 .or. ptjmax4(1).ge.0d0) fail_reason = 'ptjmin4(1)'
if (ptjmin4(2).gt.0d0 .or. ptjmax4(2).ge.0d0) fail_reason = 'ptjmin4(2)'
if (ptjmin4(3).gt.0d0 .or. ptjmax4(3).ge.0d0) fail_reason = 'ptjmin4(3)'
if (ptjmin4(4).gt.0d0 .or. ptjmax4(4).ge.0d0) fail_reason = 'ptjmin4(4)'
if (Htjmin4(2).gt.0d0 .or. Htjmax4(2).ge.0d0) fail_reason = 'Htjmin4(2)'
if (Htjmin4(3).gt.0d0 .or. Htjmax4(3).ge.0d0) fail_reason = 'Htjmin4(3)'
if (Htjmin4(4).gt.0d0 .or. Htjmax4(4).ge.0d0) fail_reason = 'Htjmin4(4)'
if (inclHtmin.gt.0d0 .or. inclHtmax.ge.0d0) fail_reason = 'inclHT'
if (htjmin.gt.0d0 .or. htjmax.ge.0d0) fail_reason = 'htj'
if (xptj.gt.0d0) fail_reason = 'xptj'
if (xetamin.gt.0d0 .or. deltaeta.gt.0d0)
& fail_reason = 'xetamin'
if (ptgmin.ne.0d0) fail_reason = 'ptgmin'
if (kt_durham.gt.0d0) fail_reason = 'ktdurham'
endif
if (is_a_b_save(i).neqv.is_a_b(i)) then
if (inclHtmin.gt.0d0 .or. inclHtmax.ge.0d0) fail_reason = 'Htmin'
if (xptb.gt.0d0) fail_reason = 'xptb'
endif
if (is_a_a_save(i).neqv.is_a_a(i)) then
if (xpta.gt.0d0) fail_reason = 'xpta'
if (ptgmin.ne.0d0) fail_reason = 'ptgmin'
endif
if (is_a_l_save(i).neqv.is_a_l(i)) then
if (ptlmin4(1).gt.0d0 .or. ptlmax4(1).ge.0d0) fail_reason = 'ptlmin4(1)'
if (ptlmin4(2).gt.0d0 .or. ptlmax4(2).ge.0d0) fail_reason = 'ptlmin4(2)'
if (ptlmin4(3).gt.0d0 .or. ptlmax4(3).ge.0d0) fail_reason = 'ptlmin4(3)'
if (ptlmin4(4).gt.0d0 .or. ptlmax4(4).ge.0d0) fail_reason = 'ptlmin4(4)'
if (mmnl.gt.0d0 .or. mmnlmax.ge.0d0) fail_reason = 'mmnl'
if (xptl.gt.0d0) fail_reason = 'xptl'
if (ptgmin.ne.0d0 .and. isoEM) fail_reason = 'ptgmin+iso'
endif
if (is_a_nu_save(i).neqv.is_a_nu(i)) then
if (misset.gt.0d0 .or. missetmax.ge.0d0)
& fail_reason = 'misset'
if (mmnl.gt.0d0 .or. mmnlmax.ge.0d0) fail_reason = 'mmnl'
endif
if (is_heavy_save(i).neqv.is_heavy(i)) then
if (ptheavy.gt.0d0) fail_reason = 'ptheavy'
endif
if (etmin_save(i).ne.etmin(i)) fail_reason = 'etmin'
if (etmax_save(i).ne.etmax(i)) fail_reason = 'etmax'
if (emin_save(i).ne.emin(i)) fail_reason = 'emin'
if (emax_save(i).ne.emax(i)) fail_reason = 'emax'
if (etamin_save(i).ne.etamin(i)) fail_reason = 'etamin'
if (etamax_save(i).ne.etamax(i)) fail_reason = 'etamax'
if (i.eq.nexternal) cycle
do j=i+1,nexternal
if (r2min_save(j,i).ne.r2min(j,i)) fail_reason = 'r2min'
if (r2max_save(j,i).ne.r2max(j,i)) fail_reason = 'r2max'
if (s_min_save(j,i).ne.s_min(j,i)) fail_reason = 's_min'
if (s_max_save(j,i).ne.s_max(j,i)) fail_reason = 's_max'
if (ptll_min_save(j,i).ne.ptll_min(j,i)) fail_reason = 'ptll_min'
if (ptll_max_save(j,i).ne.ptll_max(j,i)) fail_reason = 'ptll_max'
enddo
enddo
if (fail_reason.ne.'') then
write (*,*) 'Grouping of subprocesses not'/
$ /' consistent with setcuts.f. Either change'/
$ /' your cuts and/or turn grouping of subprocesses off:',
$ fail_reason
open(unit=26,file='../../../error',status='unknown')
write(26,*) 'Error: grouping of subprocesses not'/
$ /' consistent with setcuts.f. Either change'/
$ /' your cuts and/or turn grouping of subprocesses off.'
stop 1
endif
endif
enddo
c
c ERROR TRAPS
c
do i=nincoming+1,nexternal
if(is_a_j(i).and.etmin(i).eq.0.and.emin(i).eq.0) then
write (*,*) "Warning: pt or E min of a jet should in general be >0"
endif
if(is_a_a(i).and.etmin(i).eq.0.and.emin(i).eq.0) then
write (*,*) "Warning: pt or E min of a gamma should in general be >0"
endif
enddo
c count number of jets to see if special cuts are applicable or not
ncheck=0
do i=nincoming+1,nexternal
if(is_a_j(i)) ncheck=ncheck+1
enddo
if(ncheck.eq.0.and. xptj .gt. 0d0) then
write (*,*) "Warning: cuts on the jet will be ignored"
xptj = 0d0
endif
if(ncheck.lt.2.and. xetamin .gt. 0 .and. deltaeta .gt.0) then
write (*,*) "Warning: WBF cuts not will be ignored"
xetamin = 0d0
deltaeta =0d0
endif
c count number of photons to see if special cuts are applicable or not
ncheck=0
do i=nincoming+1,nexternal
if(is_a_a(i)) ncheck=ncheck+1
enddo
if(ncheck.eq.0.and. xpta .gt. 0d0) then
write (*,*) "Warning: cuts on the photon will be ignored"
xpta =0d0
endif
c count number of b-quarks to see if special cuts are applicable or not
Ncheck=0
do i=nincoming+1,nexternal
if(is_a_b(i)) ncheck=ncheck+1
enddo
if(ncheck.eq.0.and. xptb .gt. 0d0) then
write (*,*) "Warning: cuts on the b-quarks will be ignored"
xptb = 0d0
endif
c count number of leptons to see if special cuts are applicable or not
ncheck=0
do i=nincoming+1,nexternal
if(is_a_l(i)) ncheck=ncheck+1
enddo
if(ncheck.eq.0.and. xptl .gt. 0d0) then
write (*,*) "Warning: cuts on the lepton will be ignored"
xptl = 0d0
endif
c set possible xqcut combinations (for better grid preparation)
if(xqcut.gt.0)
$ call setxqcuts(do_cuts)
c call write_cuts()
RETURN
END
subroutine setxqcuts(do_cuts)
c**************************************************
c Set xqcuti and xqcutij between all particles
c to allow for grid preparation based on xqcut
c**************************************************
implicit none
include 'genps.inc'
include 'maxconfigs.inc'
include 'nexternal.inc'
include 'cuts.inc'
logical do_cuts(nexternal)
double precision pmass(nexternal)
common/to_mass/ pmass
integer iforest(2,-max_branch:-1,lmaxconfigs)
common/to_forest/ iforest
integer mapconfig(0:lmaxconfigs), this_config
common/to_mconfigs/mapconfig, this_config
double precision xqcutij(nexternal,nexternal),xqcuti(nexternal)
common/to_xqcuts/xqcutij,xqcuti
integer i,j,k
logical foundpartner
include 'maxamps.inc'
integer idup(nexternal,maxproc,maxsproc)
integer mothup(2,nexternal)
integer icolup(2,nexternal,maxflow,maxsproc)
include 'leshouche.inc'
do i=3,nexternal
xqcuti(i)=0d0
do j=3,nexternal
xqcutij(i,j)=0d0
enddo
enddo
do i=3,nexternal
do j=1,mapconfig(0)
foundpartner=.false.
do k=-1,-(nexternal-3),-1
if(iforest(1,k,j).eq.i.and.iforest(2,k,j).gt.2.or.
$ iforest(2,k,j).eq.i.and.iforest(1,k,j).gt.2)then
foundpartner=.true.
if(iabs(idup(iforest(2,k,j),1,1)).le.maxjetflavor.or.
$ idup(iforest(2,k,j),1,1).eq.21.or.
$ iabs(idup(iforest(2,k,j),1,1)).le.maxjetflavor.or.
$ idup(iforest(2,k,j),1,1).eq.21)then
if (do_cuts(iforest(2,k,j)).and. do_cuts(iforest(1,k,j)))then
xqcutij(iforest(2,k,j),iforest(1,k,j))=xqcut
xqcutij(iforest(1,k,j),iforest(2,k,j))=xqcut
endif
endif
endif
enddo
if(.not.foundpartner.and.(iabs(idup(i,1,1)).le.maxjetflavor.or.
$ idup(i,1,1).eq.21).and.do_cuts(i)) xqcuti(i)=max(0d0,sqrt(xqcut**2-pmass(i)**2))
enddo
enddo
end
c************************************************************************
c Subroutine to check which external particles are from decays
c************************************************************************
subroutine check_decay(from_decay)
implicit none
include 'nexternal.inc'
include 'maxconfigs.inc'
include 'genps.inc'
include 'maxamps.inc'
c
c Arguments
c
logical from_decay(-(nexternal+3):nexternal)
c
c Global
c
integer iforest(2,-max_branch:-1,lmaxconfigs)
common/to_forest/ iforest
integer sprop(maxsproc,-max_branch:-1,lmaxconfigs)
integer tprid(-max_branch:-1,lmaxconfigs)
common/to_sprop/sprop,tprid
integer gForceBW(-max_branch:-1,lmaxconfigs) ! Forced BW
include 'decayBW.inc'
c
c Local
c
integer i,j
do i=-(nexternal-3),nexternal
from_decay(i)=.false.
enddo
c Set who comes from decay based on forced BW
do i=-(nexternal-3),-1
if(tprid(i,1).eq.0.and.gForceBW(i,1).eq.1.or.
$ from_decay(i)) then
from_decay(i)=.true.
from_decay(iforest(1,i,1))=.true.
from_decay(iforest(2,i,1))=.true.
endif
enddo
end