CMS 3D CMS Logo
pyquenPythiaDefault_cff.py
Go to the documentation of this file.
1 #Default Pythia Paramters for Hydjet & Pyquen
2 
3 import FWCore.ParameterSet.Config as cms
4 
5 from Configuration.Generator.PythiaUESettings_cfi import *
6 pyquenPythiaDefaultBlock = cms.PSet(
7  pythiaUESettingsBlock,
8  ppDefault = cms.vstring('MSEL=1 ! QCD hight pT processes',
9  'CKIN(3)=7.',# ! ptMin
10  'MSTP(81)=0'
11  ),
12  pythiaHirootDefault = cms.vstring('MSEL=0', # ! Only user defined processes,
13  'MSTU(21)=1', # ! to avoid stopping run',
14  'PARU(14)=1.', # ! tolerance parameter to adjust fragmentation',
15  'MSTP(81)=0', # ! pp multiple scattering off',
16  'PMAS(5,1)=4.8', # ! b quark mass',
17  'PMAS(6,1)=175.0', # ! t quark mass'
18  'CKIN(3)=7.',# ! ptMin
19  'MSTJ(22)=2',
20  'PARJ(71)=10.', # Decays only if life time < 10mm
21  'PARP(67)=1.',
22  'PARP(82)=1.9',
23  'PARP(85)=0.33',
24  'PARP(86)=0.66',
25  'PARP(89)=1000.',
26  'PARP(91)=1.0',
27  'MSTJ(11)=3',
28  'MSTJ(22)=2'
29  ),
30 
31  ppJets = cms.vstring('MSEL=1 ! QCD hight pT processes'),
32  pythiaJets = cms.vstring('MSUB(11)=1', # q+q->q+q
33  'MSUB(12)=1', # q+qbar->q+qbar
34  'MSUB(13)=1', # q+qbar->g+g
35  'MSUB(28)=1', # q+g->q+g
36  'MSUB(53)=1', # g+g->q+qbar
37  'MSUB(68)=1' # g+g->g+g
38  ),
39  pythiaPromptPhotons = cms.vstring('MSUB(14)=1', # q+qbar->g+gamma
40  'MSUB(18)=1', # q+qbar->gamma+gamma
41  'MSUB(29)=1', # q+g->q+gamma
42  'MSUB(114)=1', # g+g->gamma+gamma
43  'MSUB(115)=1' # g+g->g+gamma
44  ),
45 
46  pythiaWeakBosons = cms.vstring('MSUB(1)=1',
47  'MSUB(2)=1'),
48 
49  pythiaZjets = cms.vstring('MSUB(15)=1',
50  'MSUB(30)=1'),
51 
52  pythiaCharmoniumNRQCD = cms.vstring('MSUB(421) = 1',
53  'MSUB(422) = 1',
54  'MSUB(423) = 1',
55  'MSUB(424) = 1',
56  'MSUB(425) = 1',
57  'MSUB(426) = 1',
58  'MSUB(427) = 1',
59  'MSUB(428) = 1',
60  'MSUB(429) = 1',
61  'MSUB(430) = 1',
62  'MSUB(431) = 1',
63  'MSUB(432) = 1',
64  'MSUB(433) = 1',
65  'MSUB(434) = 1',
66  'MSUB(435) = 1',
67  'MSUB(436) = 1',
68  'MSUB(437) = 1',
69  'MSUB(438) = 1',
70  'MSUB(439) = 1'
71  ),
72 
73  pythiaBottomoniumNRQCD = cms.vstring('MSUB(461) = 1',
74  'MSUB(462) = 1',
75  'MSUB(463) = 1',
76  'MSUB(464) = 1',
77  'MSUB(465) = 1',
78  'MSUB(466) = 1',
79  'MSUB(467) = 1',
80  'MSUB(468) = 1',
81  'MSUB(469) = 1',
82  'MSUB(470) = 1',
83  'MSUB(471) = 1',
84  'MSUB(472) = 1',
85  'MSUB(473) = 1',
86  'MSUB(474) = 1',
87  'MSUB(475) = 1',
88  'MSUB(476) = 1',
89  'MSUB(477) = 1',
90  'MSUB(478) = 1',
91  'MSUB(479) = 1',
92  ),
93  pythiaQuarkoniaSettings = cms.vstring('PARP(141)=1.16', # Matrix Elements
94  'PARP(142)=0.0119',
95  'PARP(143)=0.01',
96  'PARP(144)=0.01',
97  'PARP(145)=0.05',
98  'PARP(146)=9.28',
99  'PARP(147)=0.15',
100  'PARP(148)=0.02',
101  'PARP(149)=0.02',
102  'PARP(150)=0.085',
103  # Meson spin
104  'PARJ(13)=0.60',
105  'PARJ(14)=0.162',
106  'PARJ(15)=0.018',
107  'PARJ(16)=0.054',
108  # Polarization
109  'MSTP(145)=0',
110  'MSTP(146)=0',
111  'MSTP(147)=0',
112  'MSTP(148)=1',
113  'MSTP(149)=1',
114  # Chi_c branching ratios
115  'BRAT(861)=0.202',
116  'BRAT(862)=0.798',
117  'BRAT(1501)=0.013',
118  'BRAT(1502)=0.987',
119  'BRAT(1555)=0.356',
120  'BRAT(1556)=0.644'
121  ),
122  pythiaZtoMuons = cms.vstring("MDME(174,1)=0", # !Z decay into d dbar,
123  "MDME(175,1)=0", # !Z decay into u ubar,
124  "MDME(176,1)=0", # !Z decay into s sbar,
125  "MDME(177,1)=0", # !Z decay into c cbar,
126  "MDME(178,1)=0", # !Z decay into b bbar,
127  "MDME(179,1)=0", # !Z decay into t tbar,
128  "MDME(182,1)=0", # !Z decay into e- e+,
129  "MDME(183,1)=0", # !Z decay into nu_e nu_ebar,
130  "MDME(184,1)=1", # !Z decay into mu- mu+,
131  "MDME(185,1)=0", # !Z decay into nu_mu nu_mubar,
132  "MDME(186,1)=0", # !Z decay into tau- tau+,
133  "MDME(187,1)=0" # !Z decay into nu_tau nu_taubar
134  ),
135 
136 
137  pythiaZtoElectrons = cms.vstring("MDME(174,1)=0", # !Z decay into d dbar,
138  "MDME(175,1)=0", # !Z decay into u ubar,
139  "MDME(176,1)=0", # !Z decay into s sbar,
140  "MDME(177,1)=0", # !Z decay into c cbar,
141  "MDME(178,1)=0", # !Z decay into b bbar,
142  "MDME(179,1)=0", # !Z decay into t tbar,
143  "MDME(182,1)=1", # !Z decay into e- e+,
144  "MDME(183,1)=0", # !Z decay into nu_e nu_ebar,
145  "MDME(184,1)=0", # !Z decay into mu- mu+,
146  "MDME(185,1)=0", # !Z decay into nu_mu nu_mubar,
147  "MDME(186,1)=0", # !Z decay into tau- tau+,
148  "MDME(187,1)=0" # !Z decay into nu_tau nu_taubar
149  ),
150 
151  pythiaZtoMuonsAndElectrons = cms.vstring("MDME(174,1)=0", # !Z decay into d dbar,
152  "MDME(175,1)=0", # !Z decay into u ubar,
153  "MDME(176,1)=0", # !Z decay into s sbar,
154  "MDME(177,1)=0", # !Z decay into c cbar,
155  "MDME(178,1)=0", # !Z decay into b bbar,
156  "MDME(179,1)=0", # !Z decay into t tbar,
157  "MDME(182,1)=1", # !Z decay into e- e+,
158  "MDME(183,1)=0", # !Z decay into nu_e nu_ebar,
159  "MDME(184,1)=1", # !Z decay into mu- mu+,
160  "MDME(185,1)=0", # !Z decay into nu_mu nu_mubar,
161  "MDME(186,1)=0", # !Z decay into tau- tau+,
162  "MDME(187,1)=0" # !Z decay into nu_tau nu_taubar
163  ),
164 
165  pythiaUpsilonToMuons = cms.vstring('BRAT(1034) = 0 ', # switch off',
166  'BRAT(1035) = 1 ', # switch on',
167  'BRAT(1036) = 0 ', # switch off',
168  'BRAT(1037) = 0 ', # switch off',
169  'BRAT(1038) = 0 ', # switch off',
170  'BRAT(1039) = 0 ', # switch off',
171  'BRAT(1040) = 0 ', # switch off',
172  'BRAT(1041) = 0 ', # switch off',
173  'BRAT(1042) = 0 ', # switch off',
174  'MDME(1034,1) = 0 ', # switch off',
175  'MDME(1035,1) = 1 ', # switch on',
176  'MDME(1036,1) = 0 ', # switch off',
177  'MDME(1037,1) = 0 ', # switch off',
178  'MDME(1038,1) = 0 ', # switch off',
179  'MDME(1039,1) = 0 ', # switch off',
180  'MDME(1040,1) = 0 ', # switch off',
181  'MDME(1041,1) = 0 ', # switch off',
182  'MDME(1042,1) = 0 ', # switch off'
183  ),
184 
185  pythiaJpsiToMuons = cms.vstring('BRAT(858) = 0 ', # switch off',
186  'BRAT(859) = 1 ', # switch on',
187  'BRAT(860) = 0 ', # switch off',
188  'MDME(858,1) = 0 ', # switch off',
189  'MDME(859,1) = 1 ', # switch on',
190  'MDME(860,1) = 0 ', # switch off'
191  ),
192 
193  pythiaMuonCandidates = cms.vstring(
194  'CKIN(3)=20',
195  'MSTJ(22)=2',
196  'PARJ(71)=40.'
197  ),
198  myParameters = cms.vstring(
199  )
200 
201  )
PythiaUESettings_cfi
Generated for CMSSW Reference Manual by doxygen 1.8.11