2 ! This file contains commands to be read in for a Pythia8 run.
3 ! Lines not beginning with a letter or digit are comments.
5 // Number of events generated
6 Main:numberOfEvents = 1000
8 // Specify shower options
12 // Core process for merging
13 Merging:Process = pp>LEPTONS,NEUTRINOS
15 // Maximal number of additional LO jets.
18 // Merging scale value.
21 // Switch off enforced rapidity ordering
22 SpaceShower:rapidityOrder = off
24 // Since UMEPS is a tree-level merging method, both leading-order and
25 // next-to-neading order PDFs are allowed. However, from parton shower
26 // considerations, leading-order PDFs are preferred, since multiparton
27 // interactions probe the incoming hadron at small momentum scales.
28 // Example PDF files generated with CTEQ6M PDFs.
30 PDF:LHAPDFset = cteq6m.LHpdf
31 SpaceShower:alphaSvalue = 0.118
32 TimeShower:alphaSvalue = 0.118