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PyquenDefaultSettings_cff.py
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1 #Default Pythia Paramters for Hydjet & Pyquen
2 
3 import FWCore.ParameterSet.Config as cms
4 
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 collisionParameters = collisionParameters2760GeV.clone()
16 
17 qgpParameters = cms.PSet(qgpInitialTemperature = cms.double(1.0),
18  qgpProperTimeFormation = cms.double(0.1),
19  hadronFreezoutTemperature = cms.double(0.14),
20  doRadiativeEnLoss = cms.bool(True),
21  doCollisionalEnLoss = cms.bool(False),
22  qgpNumQuarkFlavor = cms.int32(0),
23  )
24 
25 pyquenParameters = cms.PSet(doIsospin = cms.bool(True),
26  angularSpectrumSelector = cms.int32(0),
27  embeddingMode = cms.int32(0),
28  )
29 
30 hydjetParameters = cms.PSet(sigmaInelNN = cms.double(58),
31  shadowingSwitch = cms.int32(0),
32  nMultiplicity = cms.int32(21500),
33  fracSoftMultiplicity = cms.double(1.),
34  maxLongitudinalRapidity = cms.double(4.5),
35  maxTransverseRapidity = cms.double(1.),
36  rotateEventPlane = cms.bool(True),
37  allowEmptyEvents = cms.bool(False),
38  embeddingMode = cms.int32(0)
39  )
40 
41 pyquenPythiaDefaultBlock = cms.PSet(
42  pythiaUESettingsBlock,
43  hydjetPythiaDefault = cms.vstring('MSEL=0 ! user processes',
44  'CKIN(3)=6.',# ! ptMin
45  'MSTP(81)=0'
46  ),
47  ppDefault = cms.vstring('MSEL=1 ! QCD hight pT processes (only jets)',
48  'CKIN(3)=6.',# ! ptMin
49  'MSTP(81)=0'
50  ),
51  pythiaHirootDefault = cms.vstring('MSEL=0', # ! Only user defined processes,
52  'MSTU(21)=1', # ! to avoid stopping run',
53  'PARU(14)=1.', # ! tolerance parameter to adjust fragmentation',
54  'MSTP(81)=0', # ! pp multiple scattering off',
55  'PMAS(5,1)=4.8', # ! b quark mass',
56  'PMAS(6,1)=175.0', # ! t quark mass'
57  'CKIN(3)=7.',# ! ptMin
58  'MSTJ(22)=2',
59  'PARJ(71)=10.', # Decays only if life time < 10mm
60  'PARP(67)=1.',
61  'PARP(82)=1.9',
62  'PARP(85)=0.33',
63  'PARP(86)=0.66',
64  'PARP(89)=1000.',
65  'PARP(91)=1.0',
66  'MSTJ(11)=3',
67  'MSTJ(22)=2'
68  ),
69  ppJets = cms.vstring('MSEL=1 ! QCD hight pT processes'),
70  customProcesses = cms.vstring('MSEL=0 ! User processes'),
71  pythiaJets = cms.vstring('MSUB(11)=1', # q+q->q+q
72  'MSUB(12)=1', # q+qbar->q+qbar
73  'MSUB(13)=1', # q+qbar->g+g
74  'MSUB(28)=1', # q+g->q+g
75  'MSUB(53)=1', # g+g->q+qbar
76  'MSUB(68)=1' # g+g->g+g
77  ),
78  pythiaPromptPhotons = cms.vstring('MSUB(14)=1', # q+qbar->g+gamma
79  'MSUB(18)=1', # q+qbar->gamma+gamma
80  'MSUB(29)=1', # q+g->q+gamma
81  'MSUB(114)=1', # g+g->gamma+gamma
82  'MSUB(115)=1' # g+g->g+gamma
83  ),
84 
85  pythiaWeakBosons = cms.vstring('MSUB(1)=1',
86  'MSUB(2)=1'),
87 
88  pythiaZjets = cms.vstring('MSUB(15)=1',
89  'MSUB(30)=1'),
90 
91  pythiaCharmoniumNRQCD = cms.vstring('MSUB(421) = 1',
92  'MSUB(422) = 1',
93  'MSUB(423) = 1',
94  'MSUB(424) = 1',
95  'MSUB(425) = 1',
96  'MSUB(426) = 1',
97  'MSUB(427) = 1',
98  'MSUB(428) = 1',
99  'MSUB(429) = 1',
100  'MSUB(430) = 1',
101  'MSUB(431) = 1',
102  'MSUB(432) = 1',
103  'MSUB(433) = 1',
104  'MSUB(434) = 1',
105  'MSUB(435) = 1',
106  'MSUB(436) = 1',
107  'MSUB(437) = 1',
108  'MSUB(438) = 1',
109  'MSUB(439) = 1'
110  ),
111 
112  pythiaBottomoniumNRQCD = cms.vstring('MSUB(461) = 1',
113  'MSUB(462) = 1',
114  'MSUB(463) = 1',
115  'MSUB(464) = 1',
116  'MSUB(465) = 1',
117  'MSUB(466) = 1',
118  'MSUB(467) = 1',
119  'MSUB(468) = 1',
120  'MSUB(469) = 1',
121  'MSUB(470) = 1',
122  'MSUB(471) = 1',
123  'MSUB(472) = 1',
124  'MSUB(473) = 1',
125  'MSUB(474) = 1',
126  'MSUB(475) = 1',
127  'MSUB(476) = 1',
128  'MSUB(477) = 1',
129  'MSUB(478) = 1',
130  'MSUB(479) = 1',
131  ),
132 
133  pythiaQuarkoniaSettings = cms.vstring('PARP(141)=1.16', # Matrix Elements
134  'PARP(142)=0.0119',
135  'PARP(143)=0.01',
136  'PARP(144)=0.01',
137  'PARP(145)=0.05',
138  'PARP(146)=9.28',
139  'PARP(147)=0.15',
140  'PARP(148)=0.02',
141  'PARP(149)=0.02',
142  'PARP(150)=0.085',
143  # Meson spin
144  'PARJ(13)=0.60',
145  'PARJ(14)=0.162',
146  'PARJ(15)=0.018',
147  'PARJ(16)=0.054',
148  # Polarization
149  'MSTP(145)=0',
150  'MSTP(146)=0',
151  'MSTP(147)=0',
152  'MSTP(148)=1',
153  'MSTP(149)=1',
154  # Chi_c branching ratios
155  'BRAT(861)=0.202',
156  'BRAT(862)=0.798',
157  'BRAT(1501)=0.013',
158  'BRAT(1502)=0.987',
159  'BRAT(1555)=0.356',
160  'BRAT(1556)=0.644'
161  ),
162 
163  pythiaZtoMuons = cms.vstring("MDME(174,1)=0", # !Z decay into d dbar,
164  "MDME(175,1)=0", # !Z decay into u ubar,
165  "MDME(176,1)=0", # !Z decay into s sbar,
166  "MDME(177,1)=0", # !Z decay into c cbar,
167  "MDME(178,1)=0", # !Z decay into b bbar,
168  "MDME(179,1)=0", # !Z decay into t tbar,
169  "MDME(182,1)=0", # !Z decay into e- e+,
170  "MDME(183,1)=0", # !Z decay into nu_e nu_ebar,
171  "MDME(184,1)=1", # !Z decay into mu- mu+,
172  "MDME(185,1)=0", # !Z decay into nu_mu nu_mubar,
173  "MDME(186,1)=0", # !Z decay into tau- tau+,
174  "MDME(187,1)=0" # !Z decay into nu_tau nu_taubar
175  ),
176 
177 
178  pythiaZtoElectrons = cms.vstring("MDME(174,1)=0", # !Z decay into d dbar,
179  "MDME(175,1)=0", # !Z decay into u ubar,
180  "MDME(176,1)=0", # !Z decay into s sbar,
181  "MDME(177,1)=0", # !Z decay into c cbar,
182  "MDME(178,1)=0", # !Z decay into b bbar,
183  "MDME(179,1)=0", # !Z decay into t tbar,
184  "MDME(182,1)=1", # !Z decay into e- e+,
185  "MDME(183,1)=0", # !Z decay into nu_e nu_ebar,
186  "MDME(184,1)=0", # !Z decay into mu- mu+,
187  "MDME(185,1)=0", # !Z decay into nu_mu nu_mubar,
188  "MDME(186,1)=0", # !Z decay into tau- tau+,
189  "MDME(187,1)=0" # !Z decay into nu_tau nu_taubar
190  ),
191 
192  pythiaZtoMuonsAndElectrons = cms.vstring("MDME(174,1)=0", # !Z decay into d dbar,
193  "MDME(175,1)=0", # !Z decay into u ubar,
194  "MDME(176,1)=0", # !Z decay into s sbar,
195  "MDME(177,1)=0", # !Z decay into c cbar,
196  "MDME(178,1)=0", # !Z decay into b bbar,
197  "MDME(179,1)=0", # !Z decay into t tbar,
198  "MDME(182,1)=1", # !Z decay into e- e+,
199  "MDME(183,1)=0", # !Z decay into nu_e nu_ebar,
200  "MDME(184,1)=1", # !Z decay into mu- mu+,
201  "MDME(185,1)=0", # !Z decay into nu_mu nu_mubar,
202  "MDME(186,1)=0", # !Z decay into tau- tau+,
203  "MDME(187,1)=0" # !Z decay into nu_tau nu_taubar
204  ),
205 
206  pythiaUpsilonToMuons = cms.vstring('BRAT(1034) = 0 ', # switch off',
207  'BRAT(1035) = 1 ', # switch on',
208  'BRAT(1036) = 0 ', # switch off',
209  'BRAT(1037) = 0 ', # switch off',
210  'BRAT(1038) = 0 ', # switch off',
211  'BRAT(1039) = 0 ', # switch off',
212  'BRAT(1040) = 0 ', # switch off',
213  'BRAT(1041) = 0 ', # switch off',
214  'BRAT(1042) = 0 ', # switch off',
215  'MDME(1034,1) = 0 ', # switch off',
216  'MDME(1035,1) = 1 ', # switch on',
217  'MDME(1036,1) = 0 ', # switch off',
218  'MDME(1037,1) = 0 ', # switch off',
219  'MDME(1038,1) = 0 ', # switch off',
220  'MDME(1039,1) = 0 ', # switch off',
221  'MDME(1040,1) = 0 ', # switch off',
222  'MDME(1041,1) = 0 ', # switch off',
223  'MDME(1042,1) = 0 ', # switch off'
224  ),
225 
226  pythiaJpsiToMuons = cms.vstring('BRAT(858) = 0 ', # switch off',
227  'BRAT(859) = 1 ', # switch on',
228  'BRAT(860) = 0 ', # switch off',
229  'MDME(858,1) = 0 ', # switch off',
230  'MDME(859,1) = 1 ', # switch on',
231  'MDME(860,1) = 0 ', # switch off'
232  ),
233 
234  pythiaMuonCandidates = cms.vstring(
235  'CKIN(3)=20',
236  'MSTJ(22)=2',
237  'PARJ(71)=40.'
238  ),
239  myParameters = cms.vstring(
240  )
241 
242 )
243 
244 # This one is not to be used
245 impactParameters = cms.PSet(cFlag = cms.int32(1),
246  bFixed = cms.double(0),
247  bMin = cms.double(0),
248  bMax = cms.double(30)
249  )
250