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powheg.input
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powheg.input
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numevts 100000 ! number of events to be generated
ih1 1 ! hadron 1 (1 for protons, -1 for antiprotons)
ih2 1 ! hadron 2 (1 for protons, -1 for antiprotons)
ndns1 131 ! pdf set for hadron 1 (mlm numbering)
ndns2 131 ! pdf set for hadron 2 (mlm numbering)
ebeam1 7000d0 ! energy of beam 1
ebeam2 7000d0 ! energy of beam 2
! To be set only if using LHA pdfs
! lhans1 ! pdf set for hadron 1 (LHA numbering)
! lhans2 ! pdf set for hadron 2 (LHA numbering)
! To be set only if using different pdf sets for the two incoming hadrons
! QCDLambda5 0.25 ! for not equal pdf sets
! Parameters to allow or not the use of stored data
use-old-grid 1 ! if 1 use old grid if file pwggrids.dat is present (<> 1 regenerate)
use-old-ubound 1 ! if 1 use norm of upper bounding function stored in pwgubound.dat, if present; <> 1 regenerate
ncall1 50000 ! number of calls for initializing the integration grid
itmx1 5 ! number of iterations for initializing the integration grid
ncall2 50000 ! number of calls for computing the integral and finding upper bound
itmx2 5 ! number of iterations for computing the integral and finding upper bound
foldcsi 2 ! number of folds on csi integration
foldy 5 ! number of folds on y integration
foldphi 1 ! number of folds on phi integration
nubound 20000 ! number of bbarra calls to setup norm of upper bounding function
icsimax 1 ! <= 100, number of csi subdivision when computing the upper bounds
iymax 1 ! <= 100, number of y subdivision when computing the upper bounds
xupbound 2d0 ! increase upper bound for radiation generation
! OPTIONAL PARAMETERS
#renscfact 1d0 ! (default 1d0) ren scale factor: muren = muref * renscfact
#facscfact 1d0 ! (default 1d0) fac scale factor: mufact = muref * facscfact
#ptsupp 0d0 ! (default 0d0) mass param for Born suppression factor (generation cut) If < 0 suppfact = 1
#bornonly 0 ! (default 0) if 1 do Born only
#smartsig 0 ! (default 1) remember equal amplitudes (0 do not remember)
#withsubtr 0 ! (default 1) subtract real counterterms (0 do not subtract)
withdamp 1 ! (default 0, do not use) use Born-zero damping factor
#ptsqmin 0.8 ! (default 0.8 GeV) minimum pt for generation of radiation
#charmthr 1.5 ! (default 1.5 GeV) charm treshold for gluon splitting
#bottomthr 5.0 ! (default 5.0 GeV) bottom treshold for gluon splitting
#testplots 1 ! (default 0, do not) do NLO and PWHG distributions
#hfact 100d0 ! (default no dumping factor) dump factor for high-pt radiation: > 0 dumpfac=h**2/(pt2+h**2)
#testsuda 1 ! (default 0, do not test) test Sudakov form factor
#radregion 1 ! (default all regions) only generate radiation in the selected singular region
#charmthrpdf 1.5 ! (default 1.5 GeV) pdf charm treshold
#bottomthrpdf 5.0 ! (default 5.0 GeV) pdf bottom treshold
#iseed 12345 ! initialize random number sequence
#rand1 -1 ! initialize random number sequence
#rand2 -1 ! initialize random number sequence
#manyseeds 1 ! Used to perform multiple runs with different random
! seeds in the same directory.
! If set to 1, the program asks for an integer j;
! The file pwgseeds.dat at line j is read, and the
! integer at line j is used to initialize the random
! sequence for the generation of the event.
! The event file is called pwgevents-'j'.lhe
#iupperisr 1 ! (default 1) choice of ISR upper bounding functional form
#iupperfsr 2 ! (default 2) choice of FSR upper bounding functional form
! Z+jet production
#bornktmin 0d0 ! (default 0d0) kt min at Born level for jet in Z+jet