ATLAS Offline Software
gg4l.py
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1 # Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
2 
3 import os
4 from AthenaCommon import Logging
5 from ..powheg_RES import PowhegRES
6 
7 
8 logger = Logging.logging.getLogger("PowhegControl")
9 
10 class gg4l(PowhegRES):
11  """! Default Powheg configuration for
12  NLO QCD corrections to 4 lepton production in gluon fusion,
13  including the Higgs-mediated contribution, the diboson background and their interference.
14 
15  Create a configurable object with all applicable Powheg options.
16 
17  @author Andrej Saibel <Andrej.Saibel@cern.ch>
18  """
19 
20  def __init__(self, base_directory, **kwargs):
21  """! Constructor: all process options are set here.
22 
23  @param base_directory: path to PowhegBox code.
24  @param kwargs dictionary of arguments from Generate_tf.
25  """
26  super(gg4l, self).__init__(base_directory, "gg4l", **kwargs)
27  # defining gg4l environment variable to bypass file path issues in QCDLoop-*/ff/ffinit.f
28  os.environ['gg4lPATH'] = os.path.dirname(self.executable)
29  logger.info("gg4lPATH defined as = {0}".format(os.getenv('gg4lPATH')))
30 
31  # This is a hacky fix that's needed at the moment...
32  self.manually_set_openloops_gnu_paths()
33 
34  # Adding external libraries to LD_LIBRARY_PATH for gg4l
35  self.link_external_powheg_libraries("/External/cln*/cln_lib/lib")
36  self.link_external_powheg_libraries("/External/ginac*/ginac_lib/lib/")
37  self.link_external_powheg_libraries("/External/chaplin*/lib")
38  self.link_external_powheg_libraries("/External/INSTALL/cln*/cln_lib/lib")
39  self.link_external_powheg_libraries("/External/INSTALL/ginac*/ginac_lib/lib/")
40  self.link_external_powheg_libraries("/External/INSTALL/chaplin*/lib")
41  self.link_external_powheg_libraries("/POWHEG-BOX-RES/gg4l/amplitudes/obj-gnu/")
42  self.link_external_powheg_libraries("/POWHEG-BOX-RES/gg4l/ggvvamp*/obj-gnu")
43  self.link_external_powheg_libraries("/POWHEG-BOX-RES/gg4l/QCDLoop*/ff/obj-gnu/")
44 
45  # Add parameter validation functions
46  self.validation_functions.append("validate_process_contrib")
47 
48 
49  self.allowed_process_modes = ["\'WW\'", "\'ZZ\'"]
50  self.allowed_contrib_modes = ["\'full\'", "\'only_h\'", "\'no_h\'", "\'interf_h\'"]
51 
52  # Add all keywords for this process, overriding defaults if required
53  self.add_keyword("allrad", 1)
54  self.add_keyword("alpha")
55  self.add_keyword("bmass")
56  self.add_keyword("bornktmin")
57  self.add_keyword("bornonly")
58  self.add_keyword("bornsuppfact")
59  self.add_keyword("bornzerodamp")
60  self.add_keyword("bottommass")
61  self.add_keyword("bottomthr")
62  self.add_keyword("bottomthrpdf")
63  self.add_keyword("btildeborn")
64  self.add_keyword("btildecoll")
65  self.add_keyword("btildereal")
66  self.add_keyword("btildevirt")
67  self.add_keyword("btlscalect")
68  self.add_keyword("btlscalereal")
69  self.add_keyword("charmthr")
70  self.add_keyword("charmthrpdf")
71  self.add_keyword("chklimseed")
72  self.add_keyword("clobberlhe")
73  self.add_keyword("colltest")
74  self.add_keyword("complexGFermi")
75  self.add_keyword("compress_lhe")
76  self.add_keyword("compress_upb")
77  self.add_keyword("compute_rwgt")
78  self.add_keyword("contr", "\'full\'") # 'full', 'only_h', 'no_h' or 'interf_h'
79  self.add_keyword("dorwgt", 1)
80  self.add_keyword("doublefsr")
81  self.add_keyword("enhancereg")
82  self.add_keyword("evenmaxrat")
83  self.add_keyword("ewscheme")
84  self.add_keyword("facscfact", self.default_scales[0])
85  self.add_keyword("fastbtlbound")
86  self.add_keyword("fixedscale")
87  self.add_keyword("flg_debug")
88  self.add_keyword("foldcsi", 2)
89  self.add_keyword("foldphi", 5)
90  self.add_keyword("foldy", 5)
91  self.add_keyword("for_reweighting")
92  self.add_keyword("fullrwgt")
93  self.add_keyword("gamcut", 60)
94  self.add_keyword("hdamp", 172.5)
95  self.add_keyword("hfact")
96  self.add_keyword("hmass")
97  self.add_keyword("hwidth")
98  self.add_keyword("icsimax")
99  self.add_keyword("ih1")
100  self.add_keyword("ih2")
101  self.add_keyword("itmx1")
102  self.add_keyword("itmx1btl")
103  self.add_keyword("itmx1btlbrn")
104  self.add_keyword("itmx1rm")
105  self.add_keyword("itmx2", 6)
106  self.add_keyword("itmx2btl")
107  self.add_keyword("itmx2btlbrn")
108  self.add_keyword("itmx2rm")
109  self.add_keyword("iupperfsr")
110  self.add_keyword("iupperisr")
111  self.add_keyword("iymax")
112  self.add_keyword("lhans1", self.default_PDFs)
113  self.add_keyword("lhans2", self.default_PDFs)
114  self.add_keyword("lhrwgt_descr")
115  self.add_keyword("lhrwgt_group_combine")
116  self.add_keyword("lhrwgt_group_name")
117  self.add_keyword("lhrwgt_id")
118  self.add_keyword("LOevents")
119  self.add_keyword("m4l_sampling", 2) # 0: flat 1: exponential 2:Breit-Wigner
120  self.add_keyword("m4lmax", 100)
121  self.add_keyword("m4lmin", 1)
122  self.add_keyword("m4lwindow", 4)
123  self.add_keyword("manyseeds")
124  self.add_keyword("massiveloops", 0)
125  self.add_keyword("mass_rwg_frac", 0.) # gg4l treatment of heavy-flavour
126  self.add_keyword("max_io_bufsize")
127  self.add_keyword("maxseeds")
128  self.add_keyword("minlo")
129  self.add_keyword("mint_density_map")
130  self.add_keyword("mintupbratlim")
131  self.add_keyword("mllmax", 100) # default 0.1 GeV this is maximum invar mass for Z leptons
132  self.add_keyword("mllmin", 0.) # default 0.1 GeV this is minimum invar mass for Z leptons
133  self.add_keyword("MSbarscheme")
134  self.add_keyword("mt_expansion", 1)
135  self.add_keyword("ncall1", 5000)
136  self.add_keyword("ncall1btl")
137  self.add_keyword("ncall1btlbrn", 50000)
138  self.add_keyword("ncall1rm")
139  self.add_keyword("ncall2", 10000)
140  self.add_keyword("ncall2btl")
141  self.add_keyword("ncall2btlbrn",100000)
142  self.add_keyword("ncall2rm")
143  self.add_keyword("ncallfrominput")
144  self.add_keyword("noevents")
145  self.add_keyword("nores")
146  self.add_keyword("novirtual")
147  self.add_keyword("nubound", 50000)
148  self.add_keyword("ol_nf", 6)
149  self.add_keyword("ol_verbose", 1)
150  self.add_keyword("ol_preset", 3)
151  self.add_keyword("ol_notri", 0)
152  self.add_keyword("ol_stability_kill", 0.01)
153  self.add_keyword("olpreset")
154  self.add_keyword("olverbose")
155  self.add_keyword("openloops-stability")
156  self.add_keyword("openloopsreal")
157  self.add_keyword("openloopsvirtual")
158  self.add_keyword("par_2gsupp")
159  self.add_keyword("par_diexp")
160  self.add_keyword("par_dijexp")
161  self.add_keyword("parallelstage")
162  self.add_keyword("pdfreweight")
163  self.add_keyword("proc","\'WW\'" ) # 'ZZ' or 'WW'
164  self.add_keyword("ptllmin", 0.1) # this is hard-coded for virtual corrections with massive loops
165  self.add_keyword("ptsqmin")
166  self.add_keyword("ptsupp")
167  self.add_keyword("ptVVcut_CT")
168  self.add_keyword("ptVVcut")
169  self.add_keyword("radregion")
170  self.add_keyword("rand1")
171  self.add_keyword("rand2")
172  self.add_keyword("regridfix")
173  self.add_keyword("renscfact", self.default_scales[1])
174  self.add_keyword("rwl_add")
175  self.add_keyword("rwl_file")
176  self.add_keyword("rwl_format_rwgt")
177  self.add_keyword("rwl_group_events")
178  self.add_keyword("select_real", 0) #do gg qg qq channels
179  self.add_keyword("smartsig")
180  self.add_keyword("softmismch")
181  self.add_keyword("softonly")
182  self.add_keyword("softtest")
183  self.add_keyword("stage2init")
184  self.add_keyword("storeinfo_rwgt")
185  self.add_keyword("storemintupb")
186  self.add_keyword("testplots")
187  self.add_keyword("testsuda")
188  self.add_keyword("tmass_phsp")
189  self.add_keyword("tmass")
190  self.add_keyword("twidth",-1)
191  self.add_keyword("twidth_phsp",-1)
192  self.add_keyword("ubexcess_correct")
193  self.add_keyword("ubsigmadetails", -1) # disable cross-section output to avoid Fortran crash
194  self.add_keyword("use-old-grid")
195  self.add_keyword("use-old-ubound")
196  self.add_keyword("useoldphsp", 0) # use the old phase space parametrization from ggZZ
197  self.add_keyword("user_reshists_sep")
198  self.add_keyword("vdecaymodeV1") # decay mode of first vector boson
199  self.add_keyword("vdecaymodeV2") # decay mode of second vector boson
200  self.add_keyword("verytinypars")
201  self.add_keyword("virtonly")
202  self.add_keyword("which_as",2)
203  self.add_keyword("whichpwhgevent")
204  self.add_keyword("withbtilde")
205  self.add_keyword("withdamp", 1)
206  self.add_keyword("withnegweights")
207  self.add_keyword("withremnants")
208  self.add_keyword("withsubtr")
209  self.add_keyword("wmass")
210  self.add_keyword("wwidth")
211  self.add_keyword("xgriditeration")
212  self.add_keyword("xupbound", 2)
213  self.add_keyword("zerowidth")
214  self.add_keyword("zmass")
215  self.add_keyword("zwidth")
216 
217 
218  def validate_process_contrib(self):
219  """! Validate Process and Contribution modes"""
220  self.expose() # convenience call to simplify syntax
221 
222  #adding char qualication to input
223  if "\'" not in self.proc:
224  self.proc = "\'"+self.proc+"\'"
225  if "\'" not in self.contr:
226  self.contr = "\'"+self.contr+"\'"
227 
228  #Modify unsupported decay configuration in ZZ production
229  if (self.proc == "'ZZ'" and ((self.vdecaymodeV1 == self.vdecaymodeV2) or self.vdecaymodeV1 == 15 or self.vdecaymodeV2 == 15)):
230  logger.warning("Powheg/gg4l does support directly 4e, 4mu or tau final states.")
231  if(self.vdecaymodeV1 == 11 and self.vdecaymodeV2 == 11):
232  logger.warning("Ask to generate 2e2mu decays and hack the LHE files to have 4e final states - make sure to validate!")
233  self.add_algorithm("mu2e")
234  elif(self.vdecaymodeV1 == 13 and self.vdecaymodeV2 == 13):
235  logger.warning("Ask to generate 2e2mu decays and hack the LHE files to have 4mu final states - make sure to validate!")
236  self.add_algorithm("e2mu")
237  elif(self.vdecaymodeV1 == 15 and self.vdecaymodeV2 == 15):
238  logger.warning("Ask to generate 2e2mu decays and hack the LHE files to have 4tau final states - make sure to validate!")
239  self.add_algorithm("e2tau")
240  self.add_algorithm("mu2tau")
241  elif(self.vdecaymodeV1 == 11 and self.vdecaymodeV2 == 15) or (self.vdecaymodeV1 == 15 and self.vdecaymodeV2 == 11):
242  logger.warning("Ask to generate 2e2mu decays and hack the LHE files to have 2e2tau final states - make sure to validate!")
243  self.add_algorithm("mu2tau")
244  elif(self.vdecaymodeV1 == 13 and self.vdecaymodeV2 == 15) or (self.vdecaymodeV1 == 15 and self.vdecaymodeV2 == 13):
245  logger.warning("Ask to generate 2e2mu decays and hack the LHE files to have 2mu2tau final states - make sure to validate!")
246  self.add_algorithm("e2tau")
247 
248  self.vdecaymodeV1 = 11
249  self.vdecaymodeV2 = 13
250  self.parameters_by_keyword("vdecaymodeV1")[0].value = self.vdecaymodeV1
251  self.parameters_by_keyword("vdecaymodeV2")[0].value = self.vdecaymodeV2
252 
253  #check if the setting is allowed
254  if self.proc not in self.allowed_process_modes:
255  logger.warning("Process mode {} not recognised!".format(self.proc))
256  raise ValueError("Process mode {} not recognised!".format(self.proc))
257 
258  if self.contr not in self.allowed_contrib_modes:
259  logger.warning("Contribution mode {} not recognised!".format(self.contr))
260  raise ValueError("Contribution mode {} not recognised!".format(self.contr))
261 
262  self.parameters_by_keyword("proc")[0].value = self.proc
263  self.parameters_by_keyword("contr")[0].value = self.contr
264 
python.processes.configurable.Configurable.expose
def expose(self)
Add all names to the interface of this object.
Definition: configurable.py:46
python.processes.powheg.gg4l.gg4l.proc
proc
Definition: gg4l.py:224
python.processes.powheg.gg4l.gg4l.contr
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Definition: gg4l.py:226
python.processes.powheg_base.PowhegBase.add_algorithm
def add_algorithm(self, alg_or_process)
Add an algorithm or external process to the sequence.
Definition: powheg_base.py:205
python.processes.powheg_base.PowhegBase.manually_set_openloops_gnu_paths
def manually_set_openloops_gnu_paths(self)
Definition: powheg_base.py:76
vtune_athena.format
format
Definition: vtune_athena.py:14
python.processes.powheg_base.PowhegBase.default_scales
def default_scales(self)
Default scale variations for this process.
Definition: powheg_base.py:243
python.processes.powheg.gg4l.gg4l.vdecaymodeV1
vdecaymodeV1
Definition: gg4l.py:229
python.processes.configurable.Configurable.add_keyword
def add_keyword(self, keyword, value=None, name=None, frozen=None, hidden=None, description=None, **kwargs)
Register configurable parameter that is exposed to the user.
Definition: configurable.py:21
python.processes.powheg.gg4l.gg4l.validate_process_contrib
def validate_process_contrib(self)
Validate Process and Contribution modes.
Definition: gg4l.py:218
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bool append
Definition: dumpHVPathFromNtuple.py:91
python.processes.configurable.Configurable.parameters_by_keyword
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Retrieve all parameters that use a given keyword.
Definition: configurable.py:57
python.processes.powheg.gg4l.gg4l.vdecaymodeV2
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Definition: gg4l.py:229
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Definition: gg4l.py:50
python.processes.powheg_base.PowhegBase.validation_functions
validation_functions
List of validation functions to run before preparing runcard.
Definition: powheg_base.py:176
python.processes.powheg_base.PowhegBase.link_external_powheg_libraries
def link_external_powheg_libraries(self, librarypath)
Definition: powheg_base.py:122
python.processes.powheg.gg4l.gg4l.__init__
def __init__(self, base_directory, **kwargs)
Constructor: all process options are set here.
Definition: gg4l.py:20
python.processes.powheg_base.PowhegBase.default_PDFs
def default_PDFs(self)
Default PDFs for this process.
Definition: powheg_base.py:238
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Definition: gg4l.py:49
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Powheg executable that will be used.
Definition: powheg_base.py:151
python.processes.powheg.gg4l.gg4l
Default Powheg configuration for NLO QCD corrections to 4 lepton production in gluon fusion,...
Definition: gg4l.py:10
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Base class for PowhegBox RES processes.
Definition: powheg_RES.py:7
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