CompHEP Wj events (2->3 matrix elements)

Author: Alexander Belyaev (belyaev@fnal.gov)
Published Data: 02.04.2002
Category: W n jets
Print version

wj.html
CompHEP events for the process p,pbar -> W, j -> e , nu, j // e- ,nu , j
are available in the enstore system [j stands for u,d,s,c quarks(anti)-quarks]
(e.g. fsgi03.fnal.gov): /pnfs/patriot/W_jets/Wj/wj--enj.pev

***
#Number_of_subprocesses = 12
#Total_cross_section_(pb) = 5.747772E 02
#Events_mixed_and_randomized = 347833

***
Subprocesses and cross-sections

Upper letters means antiparticles
E1 - positron
e1 - electron
n1 - electron neutrino
G - gluon
d# (D#) - generic name for d,s quarks (anti-quarks)
u# (U#) - generic name for u,c quarks (anti-quarks)

PROCESS d# U# -> G e1 N1     Cross_section 1.647319E 02
PROCESS D# G -> E1 n1 U#     Cross_section 1.140804E 01
PROCESS D# u# -> G E1 n1     Cross_section 1.547780E 01
PROCESS G U# -> e1 N1 D#    Cross_section 5.711635E 01
PROCESS G u# -> E1 n1 d#     Cross_section 7.947528E 00
PROCESS G d# -> e1 N1 u#     Cross_section 1.141619E 01
PROCESS G D# -> E1 n1 U#     Cross_section 3.070848E 01
PROCESS U# G -> e1 N1 D#     Cross_section 7.949628E 00
PROCESS U# d# -> G e1 N1     Cross_section 1.542643E 01
PROCESS u# G -> E1 n1 d#     Cross_section 5.710675E 01
PROCESS u# D# -> G E1 n1     Cross_section 1.648356E 02
PROCESS d# G -> e1 N1 u#     Cross_section 3.065250E 01

***
Parameters of generation:
SQRT(S) 1.960000E 03 GeV
StrFun1: PDF:CTEQ5L(proton)
StrFun2: PDF:CTEQ5L(anti-proton)
QCD scale Q = 40 GeV

***
Physical_Parameters
        EE = 3.122300000000000E-01 electromagnetic charge
        SW = 4.730000000000000E-01 sin of Wainberg
        Mc = 1.420000000000000E 00 charm -quark mass
        Mb = 4.620000000000000E 00 bottom -quark mass
        MZ = 9.118840000000000E 01 Z-boson mass
        wZ = 2.494440000000000E 00 Z-boson width
        GG = 1.354862427301964E 00 strong coupling

***
Cuts:
Pt(j) > 10 GeV

***
Regularization (CompHEP's notation)
[this is just an additional information for how to generate events efficiently with CompHEP]

Momentum    |> Mass <|> Width <| Power|
34 | 80.2 | 2    | 2
=========================================

==========================
| Alexander S Belyaev HEP,Physics Department
| belyaev@hep.fsu.edu Florida State University
| TEL.: (850) 644-6567 Keen blg. 505,32306-4350
| FAX.: (850) 644-6735 Tallahassee Florida,
==========================
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