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c6b60c38 1! main62.cmnd.
2! This file contains commands to be read in for a Pythia8 run.
3! Lines not beginning with a letter or digit are comments.
4! Names are case-insensitive - but spellings-sensitive!
5! The settings here are illustrative, not always physics-motivated.
6
7! 1) Settings used in the main program.
8Main:timesAllowErrors = 3 ! how many aborts before run stops
9
10! 2) Settings related to output in init(), next() and stat().
11Init:showChangedSettings = on ! list changed settings
12Init:showAllSettings = off ! list all settings
13Init:showChangedParticleData = on ! list changed particle data
14Init:showAllParticleData = off ! list all particle data
15Next:numberCount = 1000 ! print message every n events
16Next:numberShowLHA = 1 ! print LHA information n times
17Next:numberShowInfo = 1 ! print event information n times
18Next:numberShowProcess = 1 ! print process record n times
19Next:numberShowEvent = 1 ! print event record n times
20Stat:showPartonLevel = off ! additional statistics on MPI
21
22! 3) PDF settings. Default is to use internal PDFs
23PDF:useLHAPDF = on
24! some pdf sets examples: cteq61.LHpdf cteq61.LHgrid MRST2004nlo.LHgrid
25PDF:LHAPDFset = MRST2001lo.LHgrid
26! Allow extrapolation of PDF's beyond x and Q2 boundaries, at own risk.
27! Default behaviour is to freeze PDF's at boundaries.
28PDF:extrapolateLHAPDF = on
29
30! 4) Other common settings.
316:m0 = 175. ! same m_t as Pythia 6.4 to compare
32#ParticleDecays:limitTau0 = on ! set long-lived particle stable ...
33#ParticleDecays:tau0Max = 10 ! ... if c*tau0 > 10 mm
34
35! 5) The number of subruns to execute.
36Main:numberOfSubruns = 2
37
38! 6) Information specific to the first subrun
39Main:subrun = 1 ! matches readFile( ..., 1)
40Beams:frameType = 4 ! use LHEF input
41Beams:LHEF = ttbar.lhe ! first LHEF event file
42
43! 7) Information specific to the second subrun
44Main:subrun = 2 ! matches readFile( ..., 2)
45Beams:newLHEFsameInit = on ! no reinitialization needed/wanted
46Beams:LHEF = ttbar2.lhe ! second LHEF event file