ATLAS Offline Software
Loading...
Searching...
No Matches
tt_NLOdecays.py
Go to the documentation of this file.
1# Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
2
3from ..powheg_V2 import PowhegV2
4import itertools
5
6class tt_NLOdecays(PowhegV2):
7 """! Default Powheg configuration for top pair production, with NLO corrections to the decays.
8
9 Create a configurable object with all applicable Powheg options.
10
11 @author James Robinson <james.robinson@cern.ch>
12 """
13
14 def __init__(self, base_directory, **kwargs):
15 """! Constructor: all process options are set here.
16
17 @param base_directory: path to PowhegBox code.
18 @param kwargs dictionary of arguments from Generate_tf.
19 """
20 super(tt_NLOdecays, self).__init__(base_directory, "ttb_NLO_dec", **kwargs)
21
22 # Add parameter validation functions
23 self.validation_functions.append("validate_decays")
24
25 # List of t and t~ decay modes
26 __tp_decays = ["t > b e+ ve", "t > b mu+ vm", "t > b tau+ vt", "t > b u d~", "t > b c s~"]
27 __tm_decays = ["t~ > b~ e- ve~", "t~ > b~ mu- vm~", "t~ > b~ tau- vt~", "t~ > b~ u~ d", "t~ > b~ c~ s"]
28
29
30 self.allowed_decay_modes = ["t t~ > {} {}".format(tp.split("> ")[1], tm.split("> ")[1]) for tp, tm in itertools.product(__tp_decays, __tm_decays)]
31
32 # Add all keywords for this process, overriding defaults if required
33 self.add_keyword("allrad", 1)
34 self.add_keyword("alphas_from_lhapdf")
35 self.add_keyword("altmap")
36 self.add_keyword("arXiv:1207.5018")
37 self.add_keyword("bmass")
38 self.add_keyword("bornktmin")
39 self.add_keyword("bornonly")
40 self.add_keyword("bornsuppfact")
41 self.add_keyword("bornzerodamp")
42 self.add_keyword("bottomthr")
43 self.add_keyword("bottomthrpdf")
44 self.add_keyword("btildeborn")
45 self.add_keyword("btildecoll")
46 self.add_keyword("btildereal")
47 self.add_keyword("btildevirt")
48 self.add_keyword("btlscalect")
49 self.add_keyword("btlscalereal")
50 self.add_keyword("charmthr")
51 self.add_keyword("charmthrpdf")
52 self.add_keyword("check_bad_st1")
53 self.add_keyword("check_bad_st2")
54 self.add_keyword("clobberlhe")
55 self.add_keyword("colltest")
56 self.add_keyword("complexmass")
57 self.add_keyword("compress_lhe")
58 self.add_keyword("compress_upb")
59 self.add_keyword("compute_rwgt")
60 self.add_keyword("doublefsr")
61 self.add_keyword("doubleresonant")
62 self.add_keyword("evenmaxrat")
63 self.add_keyword("facscfact", self.default_scales[0])
64 self.add_keyword("fastbtlbound")
65 self.add_keyword("fixedgrid")
66 self.add_keyword("fixedscale")
67 self.add_keyword("flg_debug")
68 self.add_keyword("foldcsi")
69 self.add_keyword("foldphi")
70 self.add_keyword("foldy")
71 self.add_keyword("fullrwgt")
72 self.add_keyword("fullrwgtmode")
73 self.add_keyword("hdamp", 175)
74 self.add_keyword("hfact")
75 self.add_keyword("icsimax")
76 self.add_keyword("ih1")
77 self.add_keyword("ih2")
78 self.add_keyword("itmx1")
79 self.add_keyword("itmx1rm")
80 self.add_keyword("itmx2")
81 self.add_keyword("itmx2rm")
82 self.add_keyword("iupperfsr")
83 self.add_keyword("iupperisr")
84 self.add_keyword("iymax")
85 self.add_keyword("lhans1", self.default_PDFs)
86 self.add_keyword("lhans2", self.default_PDFs)
87 self.add_keyword("lhapdf6maxsets")
88 self.add_keyword("lhrwgt_descr")
89 self.add_keyword("lhrwgt_group_combine")
90 self.add_keyword("lhrwgt_group_name")
91 self.add_keyword("lhrwgt_id")
92 self.add_keyword("LOevents")
93 self.add_keyword("manyseeds")
94 self.add_keyword("max_io_bufsize")
95 self.add_keyword("maxseeds")
96 self.add_keyword("mglowidth")
97 self.add_keyword("minlo")
98 self.add_keyword("mintupbratlim")
99 self.add_keyword("mintupbxless")
100 self.add_keyword("mockoffshelltop")
101 self.add_keyword("ncall1", 1000000)
102 self.add_keyword("ncall1rm")
103 self.add_keyword("ncall2", 500000)
104 self.add_keyword("ncall2rm")
105 self.add_keyword("ncallfrominput")
106 self.add_keyword("nlowhich")
107 self.add_keyword("noevents")
108 self.add_keyword("nospincorr")
109 self.add_keyword("novirtual")
110 self.add_keyword("nubound", 100000)
111 self.add_keyword("offshellscales")
112 self.add_keyword("offshelltop")
113 self.add_keyword("olddij")
114 self.add_keyword("par_2gsupp")
115 self.add_keyword("par_diexp")
116 self.add_keyword("par_dijexp")
117 self.add_keyword("parallelstage")
118 self.add_keyword("pdfreweight")
119 self.add_keyword("ptsqmin")
120 self.add_keyword("ptsupp")
121 self.add_keyword("radregion")
122 self.add_keyword("rand1")
123 self.add_keyword("rand2")
124 self.add_keyword("renscfact", self.default_scales[1])
125 self.add_keyword("rwl_add")
126 self.add_keyword("rwl_file")
127 self.add_keyword("rwl_format_rwgt")
128 self.add_keyword("rwl_group_events")
129 self.add_keyword("smartsig")
130 self.add_keyword("softtest")
131 self.add_keyword("stage2init")
132 self.add_keyword("storeinfo_rwgt")
133 self.add_keyword("storemintupb")
134 self.add_keyword("tbardec", hidden=True)
135 self.add_keyword("testplots")
136 self.add_keyword("testsuda")
137 self.add_keyword("tmass")
138 self.add_keyword("topdec", self.allowed_decay_modes[0], name="decay_mode")
139 self.add_keyword("ubexcess_correct")
140 self.add_keyword("ubsigmadetails")
141 self.add_keyword("use-old-grid")
142 self.add_keyword("use-old-ubound")
143 self.add_keyword("withdamp")
144 self.add_keyword("withnegweights")
145 self.add_keyword("withsubtr")
146 self.add_keyword("xgriditeration")
147 self.add_keyword("xupbound", 2)
148
149 def validate_decays(self):
150 """! Validate topdec and tbardec keywords."""
151 self.expose() # convenience call to simplify syntax
152 self.check_decay_mode(self.decay_mode, self.allowed_decay_modes)
153 # Calculate appropriate decay mode numbers
154 __decay_products = list(map(str.strip, self.decay_mode.replace("~", "").replace("+", "").replace("-", "").split("b")))
155 __decay_mode_lookup = {"e ve": 11, "mu vm": 13, "tau vt": 15, "u d": 1, "c s": 3}
156 list(self.parameters_by_keyword("topdec"))[0].value = __decay_mode_lookup[__decay_products[1]]
157 list(self.parameters_by_keyword("tbardec"))[0].value = __decay_mode_lookup[__decay_products[2]]
map
STL class.
python.processes.configurable.Configurable.add_keyword
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.configurable.Configurable.expose
expose(self)
Add all names to the interface of this object.
Definition configurable.py:46
python.processes.configurable.Configurable.parameters_by_keyword
parameters_by_keyword(self, keyword)
Retrieve all parameters that use a given keyword.
Definition configurable.py:57
python.processes.powheg.tt_NLOdecays.tt_NLOdecays
Default Powheg configuration for top pair production, with NLO corrections to the decays.
Definition tt_NLOdecays.py:6
python.processes.powheg.tt_NLOdecays.tt_NLOdecays.__init__
__init__(self, base_directory, **kwargs)
Constructor: all process options are set here.
Definition tt_NLOdecays.py:14
python.processes.powheg.tt_NLOdecays.tt_NLOdecays.validate_decays
validate_decays(self)
Validate topdec and tbardec keywords.
Definition tt_NLOdecays.py:149
python.processes.powheg.tt_NLOdecays.tt_NLOdecays.allowed_decay_modes
list allowed_decay_modes
List of allowed decay modes.
Definition tt_NLOdecays.py:30
python.processes.powheg.tt_NLOdecays.tt_NLOdecays.decay_mode
decay_mode
Definition tt_NLOdecays.py:152
python.processes.powheg_V2.PowhegV2
Base class for PowhegBox V2 processes.
Definition powheg_V2.py:6
python.processes.powheg_base.PowhegBase.validation_functions
list validation_functions
List of validation functions to run before preparing runcard.
Definition powheg_base.py:127
python.processes.powheg_base.PowhegBase.check_decay_mode
check_decay_mode(self, decay_mode, allowed_decay_modes=None)
Check whether a decay mode is allowed an raise an exception if it is not.
Definition powheg_base.py:231
python.processes.powheg_base.PowhegBase.default_scales
default_scales(self)
Default scale variations for this process.
Definition powheg_base.py:194
replace
std::string replace(std::string s, const std::string &s2, const std::string &s3)
Definition hcg.cxx:312
split
std::vector< std::string > split(const std::string &s, const std::string &t=":")
Definition hcg.cxx:179
Generated on for ATLAS Offline Software by doxygen 1.17.0