Pythia6_set2_pythia_i.config

Go to the documentation of this file.

# in advance switch of Process semihard QCD 2 -> 2 Process
pysubs msub 96 0

# Selecting jet + gamma*/Z process (number 13):
pysubs msel 13

# randomnumber
pydatr mrpy 1 97823417

// Set decay channels Z-Boson
pydat3 mdme 1 174 0
pydat3 mdme 1 175 0
pydat3 mdme 1 176 0
pydat3 mdme 1 177 0
pydat3 mdme 1 178 0
pydat3 mdme 1 179 0
pydat3 mdme 1 180 0
pydat3 mdme 1 181 0
# electrons
pydat3 mdme 1 182 1
pydat3 mdme 1 183 0
# muons
pydat3 mdme 1 184 1
pydat3 mdme 1 185 0
#taus
pydat3 mdme 1 186 0
pydat3 mdme 1 187 0
pysubs ckin 1 60.

# set pdfsets
pypars mstp 51 7
pypars mstp 52 1

# needed for CTEQ6L
#pypars mstp 51 10042
#pypars mstp 52 2
#pypars mstp 53 10042
#pypars mstp 54 2 
#pypars mstp 55 0042
#pypars mstp 56 2

pydat2.pmas[6-1][1-1] = 175.;  // top quark mass
pydat2.pmas[24-1][1-1] =80.42; // W mass
pydat2.pmas[24-1][2-1] =2.124; // W width
pydat2.pmas[23-1][1-1] =91.19; // Z0 mass
pydat2.pmas[23-1][2-1] =2.495; // Z0 width

# fix junk output for documentary particles
pypars mstp 128 1
# error handling switch
pydat1 mstu 21  1

# ATLAS default for MI and also for the associated
pypars mstp 81 21

# Turn off Multiple Interactions (MI)
pypars mstp 81 0
# Turn off Final state Radiation (FSR)
pypars mstp 71 0
# Turn off Initial state Radiation (ISR)
pypars mstp 61 1

# select peterson for charm fragmentation
pydat1 mstj 11 3
# Make K_S, Lambda stable
pydat1 mstj 22 2
#c hadronization
pydat1 parj 54 -0.07  
#b hadronization
pydat1 parj 55 -0.006 

pypars parp 89 1800.

pypars mstp 81 1
pypars parp 67 3.
pypars parp 82 2.2
pypars parp 83 0.5
pypars parp 84 0.3
pypars parp 85 0.33
pypars parp 86 0.66
pypars parp 90 0.24

#mutiple interaction model
pypars mstp 82 4
pypars mstp 86 2

---