! ST-wtchannel production parameters

! GENERAL POWHEG PARAMETERS

numevts NEVENTS
ih1   1           ! hadron 1 (1 for protons, -1 for antiprotons)
ih2   1           ! hadron 2 (1 for protons, -1 for antiprotons)
ebeam1 6500d0     ! energy of beam 1
ebeam2 6500d0     ! energy of beam 2

iseed SEED

! To be set only if using LHA pdfs
lhans1 306000      ! pdf set for hadron 1 (LHA numbering)
lhans2 306000      ! pdf set for hadron 2 (LHA numbering)	

! 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   5    ! number of folds on csi integration
foldy     5   ! number of folds on  y  integration
foldphi   1    ! number of folds on phi integration
nubound 50000  ! number of bbarra calls to setup norm of upper bounding function
xupbound 2d0   ! increase upper bound for radiation generation


withdamp       1
hdamp 237.8775   ! 1.379*mtop nominal value for hdamp for Fall18   


! mandatory production parameters
ttype       -1          ! 1 for t, -1 for tbar


! mandatory parameters used in decay generation
topdecaymode 11111   ! decay mode: the 5 digits correspond to the following
                     ! top-decay channels (l,mu,tau,u,c) 
                     ! 0 means close, 1 open
wdecaymode 11111     ! decay mode: the 5 digits correspond to the following
                     ! primary-w-decay channels (l,mu,tau,u,c) 
                     ! 0 means close, 1 open
tdec/elbranching 0.108  ! W electronic branching fraction
tdec/sin2cabibbo 0.051
topwidth 1.33 

! optional production parameters 
! (defaults defined in init_couplings.f)
topmass      172.5
wmass        80.4
wwidth       2.141
sthw2        0.231295
alphaem_inv  137.0360098

lhfm/emass   0.00051
lhfm/mumass  0.1057
lhfm/taumass 1.777
lhfm/cmass   1.27
lhfm/bmass   4.18
tdec/emass   0.00051
tdec/mumass  0.1057
tdec/taumass 1.777

bottomthr    4.18
bottomthrpdf 4.18
charmthr     1.27
charmthrpdf  1.27

! PDG Values http://pdg.lbl.gov/2019/reviews/rpp2018-rev-ckm-matrix.pdf
CKM_Vud   0.97420
CKM_Vus   0.2243
CKM_Vub   0.00394
CKM_Vcd   0.218
CKM_Vcs   0.997
CKM_Vcb   0.0422
CKM_Vtd   0.0081
CKM_Vts   0.0394
CKM_Vtb   1.0

#pdfreweight 0
#storeinfo_rwgt 0
#withnegweights 1 1 ! default 0


#manyseeds 1

#parallelstage 4

#xgriditeration 1 1
rwl_group_events 2000
lhapdf6maxsets 50
rwl_file 'pwg-rwl.dat'
rwl_format_rwgt 1