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hydjetDefaultParameters_cff.py
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1 #Default Pythia Paramters for Hydjet & Pyquen
2 
3 import FWCore.ParameterSet.Config as cms
4 
5 from Configuration.Generator.PythiaUESettings_cfi import *
6 
7 collisionParameters4TeV = cms.PSet(aBeamTarget = cms.double(208.0),
8  comEnergy = cms.double(4000.0)
9  )
10 
11 collisionParameters2760GeV = cms.PSet(aBeamTarget = cms.double(208.0),
12  comEnergy = cms.double(2760.0)
13  )
14 
15 collisionParameters5020GeV = cms.PSet(aBeamTarget = cms.double(208.0),
16  comEnergy = cms.double(5020.0)
17  )
18 
19 qgpParameters = cms.PSet(qgpInitialTemperature = cms.double(1.),
20  qgpProperTimeFormation = cms.double(0.1),
21  hadronFreezoutTemperature = cms.double(0.125),
22  doRadiativeEnLoss = cms.bool(True),
23  doCollisionalEnLoss = cms.bool(True),
24  qgpNumQuarkFlavor = cms.int32(0),
25  )
26 
27 hydjetParameters = cms.PSet(sigmaInelNN = cms.double(70),
28  shadowingSwitch = cms.int32(1),
29  nMultiplicity = cms.int32(18545),
30  fracSoftMultiplicity = cms.double(1.),
31  maxLongitudinalRapidity = cms.double(3.75),
32  maxTransverseRapidity = cms.double(1.160),
33  rotateEventPlane = cms.bool(True),
34  allowEmptyEvents = cms.bool(False),
35  angularSpectrumSelector = cms.int32(0),
36  embeddingMode = cms.int32(0)
37  )
38 
39 pyquenPythiaDefaultBlock = cms.PSet(
40  pythiaUESettingsBlock,
41  hydjetPythiaDefault = cms.vstring('MSEL=0 ! user processes',
42  'CKIN(3)=9.2',# ! ptMin
43  'MSTP(81)=1'
44  ),
45  ppDefault = cms.vstring('MSEL=1 ! QCD hight pT processes (only jets)',
46  'CKIN(3)=10.',# ! ptMin
47  'MSTP(81)=1'
48  ),
49  pythiaHirootDefault = cms.vstring('MSEL=0', # ! Only user defined processes,
50  'MSTU(21)=1', # ! to avoid stopping run',
51  'PARU(14)=1.', # ! tolerance parameter to adjust fragmentation',
52  'MSTP(81)=0', # ! pp multiple scattering off',
53  'PMAS(5,1)=4.8', # ! b quark mass',
54  'PMAS(6,1)=175.0', # ! t quark mass'
55  'CKIN(3)=7.',# ! ptMin
56  'MSTJ(22)=2',
57  'PARJ(71)=10.', # Decays only if life time < 10mm
58  'PARP(67)=1.',
59  'PARP(82)=1.9',
60  'PARP(85)=0.33',
61  'PARP(86)=0.66',
62  'PARP(89)=1000.',
63  'PARP(91)=1.0',
64  'MSTJ(11)=3',
65  'MSTJ(22)=2'
66  ),
67  ppJets = cms.vstring('MSEL=1 ! QCD hight pT processes'),
68  customProcesses = cms.vstring('MSEL=0 ! User processes'),
69  pythiaJets = cms.vstring('MSUB(11)=1', # q+q->q+q
70  'MSUB(12)=1', # q+qbar->q+qbar
71  'MSUB(13)=1', # q+qbar->g+g
72  'MSUB(28)=1', # q+g->q+g
73  'MSUB(53)=1', # g+g->q+qbar
74  'MSUB(68)=1' # g+g->g+g
75  ),
76  pythiaPromptPhotons = cms.vstring('MSUB(14)=1', # q+qbar->g+gamma
77  'MSUB(18)=1', # q+qbar->gamma+gamma
78  'MSUB(29)=1', # q+g->q+gamma
79  'MSUB(114)=1', # g+g->gamma+gamma
80  'MSUB(115)=1' # g+g->g+gamma
81  ),
82 
83  pythiaWeakBosons = cms.vstring('MSUB(1)=1',
84  'MSUB(2)=1'),
85 
86  pythiaZjets = cms.vstring('MSUB(15)=1',
87  'MSUB(30)=1'),
88 
89  pythiaCharmoniumNRQCD = cms.vstring('MSUB(421) = 1',
90  'MSUB(422) = 1',
91  'MSUB(423) = 1',
92  'MSUB(424) = 1',
93  'MSUB(425) = 1',
94  'MSUB(426) = 1',
95  'MSUB(427) = 1',
96  'MSUB(428) = 1',
97  'MSUB(429) = 1',
98  'MSUB(430) = 1',
99  'MSUB(431) = 1',
100  'MSUB(432) = 1',
101  'MSUB(433) = 1',
102  'MSUB(434) = 1',
103  'MSUB(435) = 1',
104  'MSUB(436) = 1',
105  'MSUB(437) = 1',
106  'MSUB(438) = 1',
107  'MSUB(439) = 1'
108  ),
109 
110  pythiaBottomoniumNRQCD = cms.vstring('MSUB(461) = 1',
111  'MSUB(462) = 1',
112  'MSUB(463) = 1',
113  'MSUB(464) = 1',
114  'MSUB(465) = 1',
115  'MSUB(466) = 1',
116  'MSUB(467) = 1',
117  'MSUB(468) = 1',
118  'MSUB(469) = 1',
119  'MSUB(470) = 1',
120  'MSUB(471) = 1',
121  'MSUB(472) = 1',
122  'MSUB(473) = 1',
123  'MSUB(474) = 1',
124  'MSUB(475) = 1',
125  'MSUB(476) = 1',
126  'MSUB(477) = 1',
127  'MSUB(478) = 1',
128  'MSUB(479) = 1',
129  ),
130 
131  pythiaQuarkoniaSettings = cms.vstring('PARP(141)=1.16', # Matrix Elements
132  'PARP(142)=0.0119',
133  'PARP(143)=0.01',
134  'PARP(144)=0.01',
135  'PARP(145)=0.05',
136  'PARP(146)=9.28',
137  'PARP(147)=0.15',
138  'PARP(148)=0.02',
139  'PARP(149)=0.02',
140  'PARP(150)=0.085',
141  # Meson spin
142  'PARJ(13)=0.60',
143  'PARJ(14)=0.162',
144  'PARJ(15)=0.018',
145  'PARJ(16)=0.054',
146  # Polarization
147  'MSTP(145)=0',
148  'MSTP(146)=0',
149  'MSTP(147)=0',
150  'MSTP(148)=1',
151  'MSTP(149)=1',
152  # Chi_c branching ratios
153  'BRAT(861)=0.202',
154  'BRAT(862)=0.798',
155  'BRAT(1501)=0.013',
156  'BRAT(1502)=0.987',
157  'BRAT(1555)=0.356',
158  'BRAT(1556)=0.644'
159  ),
160 
161  pythiaZtoMuons = cms.vstring("MDME(174,1)=0", # !Z decay into d dbar,
162  "MDME(175,1)=0", # !Z decay into u ubar,
163  "MDME(176,1)=0", # !Z decay into s sbar,
164  "MDME(177,1)=0", # !Z decay into c cbar,
165  "MDME(178,1)=0", # !Z decay into b bbar,
166  "MDME(179,1)=0", # !Z decay into t tbar,
167  "MDME(182,1)=0", # !Z decay into e- e+,
168  "MDME(183,1)=0", # !Z decay into nu_e nu_ebar,
169  "MDME(184,1)=1", # !Z decay into mu- mu+,
170  "MDME(185,1)=0", # !Z decay into nu_mu nu_mubar,
171  "MDME(186,1)=0", # !Z decay into tau- tau+,
172  "MDME(187,1)=0" # !Z decay into nu_tau nu_taubar
173  ),
174 
175 
176  pythiaZtoElectrons = cms.vstring("MDME(174,1)=0", # !Z decay into d dbar,
177  "MDME(175,1)=0", # !Z decay into u ubar,
178  "MDME(176,1)=0", # !Z decay into s sbar,
179  "MDME(177,1)=0", # !Z decay into c cbar,
180  "MDME(178,1)=0", # !Z decay into b bbar,
181  "MDME(179,1)=0", # !Z decay into t tbar,
182  "MDME(182,1)=1", # !Z decay into e- e+,
183  "MDME(183,1)=0", # !Z decay into nu_e nu_ebar,
184  "MDME(184,1)=0", # !Z decay into mu- mu+,
185  "MDME(185,1)=0", # !Z decay into nu_mu nu_mubar,
186  "MDME(186,1)=0", # !Z decay into tau- tau+,
187  "MDME(187,1)=0" # !Z decay into nu_tau nu_taubar
188  ),
189 
190  pythiaZtoMuonsAndElectrons = cms.vstring("MDME(174,1)=0", # !Z decay into d dbar,
191  "MDME(175,1)=0", # !Z decay into u ubar,
192  "MDME(176,1)=0", # !Z decay into s sbar,
193  "MDME(177,1)=0", # !Z decay into c cbar,
194  "MDME(178,1)=0", # !Z decay into b bbar,
195  "MDME(179,1)=0", # !Z decay into t tbar,
196  "MDME(182,1)=1", # !Z decay into e- e+,
197  "MDME(183,1)=0", # !Z decay into nu_e nu_ebar,
198  "MDME(184,1)=1", # !Z decay into mu- mu+,
199  "MDME(185,1)=0", # !Z decay into nu_mu nu_mubar,
200  "MDME(186,1)=0", # !Z decay into tau- tau+,
201  "MDME(187,1)=0" # !Z decay into nu_tau nu_taubar
202  ),
203 
204  pythiaUpsilonToMuons = cms.vstring('BRAT(1034) = 0 ', # switch off',
205  'BRAT(1035) = 1 ', # switch on',
206  'BRAT(1036) = 0 ', # switch off',
207  'BRAT(1037) = 0 ', # switch off',
208  'BRAT(1038) = 0 ', # switch off',
209  'BRAT(1039) = 0 ', # switch off',
210  'BRAT(1040) = 0 ', # switch off',
211  'BRAT(1041) = 0 ', # switch off',
212  'BRAT(1042) = 0 ', # switch off',
213  'MDME(1034,1) = 0 ', # switch off',
214  'MDME(1035,1) = 1 ', # switch on',
215  'MDME(1036,1) = 0 ', # switch off',
216  'MDME(1037,1) = 0 ', # switch off',
217  'MDME(1038,1) = 0 ', # switch off',
218  'MDME(1039,1) = 0 ', # switch off',
219  'MDME(1040,1) = 0 ', # switch off',
220  'MDME(1041,1) = 0 ', # switch off',
221  'MDME(1042,1) = 0 ', # switch off'
222  ),
223 
224  pythiaJpsiToMuons = cms.vstring('BRAT(858) = 0 ', # switch off',
225  'BRAT(859) = 1 ', # switch on',
226  'BRAT(860) = 0 ', # switch off',
227  'MDME(858,1) = 0 ', # switch off',
228  'MDME(859,1) = 1 ', # switch on',
229  'MDME(860,1) = 0 ', # switch off'
230  ),
231 
232  pythiaMuonCandidates = cms.vstring(
233  'CKIN(3)=20',
234  'MSTJ(22)=2',
235  'PARJ(71)=40.'
236  ),
237  myParameters = cms.vstring('MDCY(310,1)=0')
238 
239 )
PythiaUESettings_cfi
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