00001 ****************************************************************************** 00002 * * 00003 * PYTUNE v1.013 : Presets for underlying-event (and min-bias) * 00004 * Last Change : Feb 2008 - P. Skands * 00005 * * 00006 * 302 Tune S2 * 00007 * see M. Sandhoff & P. Skands, in hep-ph/0604120 * 00008 * and T. Sjostrand & P. Skands, hep-ph/0408302 * 00009 * * 00010 * MSTP(51) = 7 PDF set * 00011 * MSTP(52) = 1 PDF set internal (=1) or pdflib (=2) * 00012 * PARP(64) = 1.0000 ISR renormalization scale prefactor * 00013 * MSTP(68) = 3 ISR phase space choice & ME corrections * 00014 * (Note: MSTP(68) is not explicitly (re-)set by PYTUNE) * 00015 * MSTP(70) = 2 ISR IR regularization scheme * 00016 * MSTP(72) = 0 ISR scheme for FSR off ISR * 00017 * PARP(71) = 4.0000 FSR Q2max factor for non-s-channel procs * 00018 * PARJ(81) = 0.2300 FSR Lambda_QCD scale * 00019 * MSTP(81) = 21 UE model * 00020 * PARP(82) = 1.9000 UE IR cutoff at reference ecm * 00021 * (Note: PARP(82) replaces PARP(62).) * 00022 * PARP(89) = 1800.0000 UE IR cutoff reference ecm * 00023 * PARP(90) = 0.1600 UE IR cutoff ecm scaling power * 00024 * MSTP(82) = 5 UE hadron transverse mass distribution * 00025 * PARP(83) = 1.2000 UE mass distribution parameter * 00026 * MSTP(88) = 0 BR composite scheme * 00027 * MSTP(89) = 1 BR colour scheme * 00028 * PARP(79) = 2.0000 BR composite x enhancement * 00029 * PARP(80) = 0.0100 BR breakup suppression * 00030 * MSTP(91) = 11 BR primordial kT distribution * 00031 * PARP(93) = 5.0000 BR primordial kT UV cutoff * 00032 * MSTP(95) = 4 FSI colour (re-)connection model * 00033 * PARP(78) = 0.1500 FSI colour reconnection strength * 00034 * * 00035 ******************************** END OF PYTUNE ******************************* 00036 00037 select pytune 302 00038 pypars mstp 128 1