00001 ******************************************************************************
00002 * *
00003 * PYTUNE v1.013 : Presets for underlying-event (and min-bias) *
00004 * Last Change : Feb 2008 - P. Skands *
00005 * *
00006 * 300 Tune S0 *
00007 * see P. Skands & D. Wicke, hep-ph/0703081 *
00008 * M. Sandhoff & P. Skands, in hep-ph/0604120 *
00009 * and T. Sjostrand & P. Skands, hep-ph/0408302 *
00010 * *
00011 * MSTP(51) = 7 PDF set *
00012 * MSTP(52) = 1 PDF set internal (=1) or pdflib (=2) *
00013 * PARP(64) = 1.0000 ISR renormalization scale prefactor *
00014 * MSTP(68) = 3 ISR phase space choice & ME corrections *
00015 * (Note: MSTP(68) is not explicitly (re-)set by PYTUNE) *
00016 * MSTP(70) = 2 ISR IR regularization scheme *
00017 * MSTP(72) = 0 ISR scheme for FSR off ISR *
00018 * PARP(71) = 4.0000 FSR Q2max factor for non-s-channel procs *
00019 * PARJ(81) = 0.2300 FSR Lambda_QCD scale *
00020 * MSTP(81) = 21 UE model *
00021 * PARP(82) = 1.8500 UE IR cutoff at reference ecm *
00022 * (Note: PARP(82) replaces PARP(62).) *
00023 * PARP(89) = 1800.0000 UE IR cutoff reference ecm *
00024 * PARP(90) = 0.1600 UE IR cutoff ecm scaling power *
00025 * MSTP(82) = 5 UE hadron transverse mass distribution *
00026 * PARP(83) = 1.6000 UE mass distribution parameter *
00027 * MSTP(88) = 0 BR composite scheme *
00028 * MSTP(89) = 1 BR colour scheme *
00029 * PARP(79) = 2.0000 BR composite x enhancement *
00030 * PARP(80) = 0.0100 BR breakup suppression *
00031 * MSTP(91) = 11 BR primordial kT distribution *
00032 * PARP(93) = 5.0000 BR primordial kT UV cutoff *
00033 * MSTP(95) = 6 FSI colour (re-)connection model *
00034 * PARP(78) = 0.2000 FSI colour reconnection strength *
00035 * *
00036 ******************************** END OF PYTUNE *******************************
00037
00038 select pytune 300
00039 pypars mstp 128 1
00040
00041 # here are the Hendrik additional tunes Perugia MPI@LHC 30 Okt 2008
00042 # tuned to LEP data
00043
00044 ###################################
00045 # Flavour Parameters
00046 ###################################
00047
00048 # di-quark suppression: default 0.1
00049 pydat1 parj 1 0.073
00050
00051 # strange suppression: default 0.3
00052 pydat1 parj 2 0.2
00053
00054 # strange di-quark suppression: default 0.4
00055 pydat1 parj 3 0.94
00056
00057 # spin-1 di-quark suppression: default 0.05
00058 pydat1 parj 4 0.032
00059
00060 # spin-1 light meson: default 0.5
00061 pydat1 parj 11 0.31
00062
00063 # spin-1 strange meson: default 0.6
00064 pydat1 parj 12 0.4
00065
00066 # spin-1 heavy meson: default 0.75
00067 pydat1 parj 13 0.54
00068
00069 # eta suppression: default 1.0
00070 pydat1 parj 25 0.63
00071
00072 # eta' suppression: default 0.4
00073 pydat1 parj 26 0.12
00074
00075 ###################################
00076 # Fragmentation Parameters
00077 ###################################
00078
00079 # Lund-Bowler fragmentation: default 4
00080 pydat1 mstj 11 5
00081
00082 # sigma_{q}: default 0.36
00083 pydat1 parj 21 0.313
00084
00085 # a : default 0.3
00086 pydat1 parj 41 0.49
00087
00088 # b : default 0.58
00089 pydat1 parj 42 0.58
00090
00091 # r_{b} : default 1.0
00092 pydat1 parj 47 1.0
00093
00094 # Lambda : default 0.29
00095 pydat1 parj 81 0.257
00096
00097 # PS cut-off : default 1.0
00098 pydat1 parj 82 0.8
00099