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Wt_DS.py
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1# Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
2
3from ... import Logging
4from ..powheg_V2 import PowhegV2
5
6
7logger = Logging.logging.getLogger("PowhegControl")
8
9
10class Wt_DS(PowhegV2):
11 """! Default Powheg configuration for single top production with an associated W-boson through the t-channel (diagram subtraction).
12
13 Create a configurable object with all applicable Powheg options.
14
15 @author James Robinson <james.robinson@cern.ch>
16 """
17
18 def __init__(self, base_directory, **kwargs):
19 """! Constructor: all process options are set here.
20
21 @param base_directory: path to PowhegBox code.
22 @param kwargs dictionary of arguments from Generate_tf.
23 """
24 super(Wt_DS, self).__init__(base_directory, "ST_wtch_DS", **kwargs)
25
26 # Add parameter validation functions
27 self.validation_functions.append("validate_decays")
28
29
30 self.allowed_top_decay_modes = ["t > all", "t > b j j", "t > b l+ vl", "t > b emu+ vemu", "t > b e+ ve",
31 "t > b mu+ vm", "t > b tau+ vt", "t~ > all", "t~ > b~ j j", "t~ > b~ l- vl~",
32 "t~ > b~ emu- vemu~", "t~ > b~ e- ve~", "t~ > b~ mu- vm~", "t~ > b~ tau- vt~"]
33
34
35 self.allowed_W_decay_modes = ["w > all", "w > j j", "w > l vl", "w > emu vemu", "w > e ve", "w > mu vm", "w > tau vt"]
36
37 # Add all keywords for this process, overriding defaults if required
38 self.add_keyword("alphaem_inv")
39 self.add_keyword("alphas_from_lhapdf")
40 self.add_keyword("bornktmin")
41 self.add_keyword("bornonly")
42 self.add_keyword("bornsuppfact")
43 self.add_keyword("bornzerodamp")
44 self.add_keyword("bottomthr")
45 self.add_keyword("bottomthrpdf")
46 self.add_keyword("btildeborn")
47 self.add_keyword("btildecoll")
48 self.add_keyword("btildereal")
49 self.add_keyword("btildevirt")
50 self.add_keyword("btlscalect")
51 self.add_keyword("btlscalereal")
52 self.add_keyword("charmthr")
53 self.add_keyword("charmthrpdf")
54 self.add_keyword("check_bad_st1")
55 self.add_keyword("check_bad_st2")
56 self.add_keyword("CKM_Vcb")
57 self.add_keyword("CKM_Vcd")
58 self.add_keyword("CKM_Vcs")
59 self.add_keyword("CKM_Vtb")
60 self.add_keyword("CKM_Vtd")
61 self.add_keyword("CKM_Vts")
62 self.add_keyword("CKM_Vub")
63 self.add_keyword("CKM_Vud")
64 self.add_keyword("CKM_Vus")
65 self.add_keyword("clobberlhe")
66 self.add_keyword("colltest")
67 self.add_keyword("compress_lhe")
68 self.add_keyword("compress_upb")
69 self.add_keyword("compute_rwgt")
70 self.add_keyword("doublefsr")
71 self.add_keyword("evenmaxrat")
72 self.add_keyword("facscfact", self.default_scales[0])
73 self.add_keyword("fastbtlbound")
74 self.add_keyword("fixedgrid")
75 self.add_keyword("flg_debug")
76 self.add_keyword("foldcsi", 5)
77 self.add_keyword("foldphi", 2)
78 self.add_keyword("foldy", 2)
79 self.add_keyword("fullrwgt")
80 self.add_keyword("hdamp")
81 self.add_keyword("hfact")
82 self.add_keyword("icsimax")
83 self.add_keyword("ih1")
84 self.add_keyword("ih2")
85 self.add_keyword("itmx1", 5)
86 self.add_keyword("itmx1rm")
87 self.add_keyword("itmx2", 5)
88 self.add_keyword("itmx2rm")
89 self.add_keyword("iupperfsr")
90 self.add_keyword("iupperisr")
91 self.add_keyword("iymax")
92 self.add_keyword("lhans1", self.default_PDFs)
93 self.add_keyword("lhans2", self.default_PDFs)
94 self.add_keyword("lhfm/bmass")
95 self.add_keyword("lhfm/cmass")
96 self.add_keyword("lhfm/emass")
97 self.add_keyword("lhfm/mumass")
98 self.add_keyword("lhfm/taumass")
99 self.add_keyword("lhrwgt_descr")
100 self.add_keyword("lhrwgt_group_combine")
101 self.add_keyword("lhrwgt_group_name")
102 self.add_keyword("lhrwgt_id")
103 self.add_keyword("LOevents")
104 self.add_keyword("manyseeds")
105 self.add_keyword("max_io_bufsize")
106 self.add_keyword("maxseeds")
107 self.add_keyword("minlo")
108 self.add_keyword("mintupbratlim")
109 self.add_keyword("mintupbxless")
110 self.add_keyword("ncall1", 40000)
111 self.add_keyword("ncall1rm")
112 self.add_keyword("ncall2", 900000)
113 self.add_keyword("ncall2rm")
114 self.add_keyword("noevents")
115 self.add_keyword("novirtual")
116 self.add_keyword("nubound", 900000)
117 self.add_keyword("nwidthcutoff")
118 self.add_keyword("olddij")
119 self.add_keyword("par_2gsupp")
120 self.add_keyword("par_diexp")
121 self.add_keyword("par_dijexp")
122 self.add_keyword("parallelstage")
123 self.add_keyword("pdfreweight")
124 self.add_keyword("ptsqmin")
125 self.add_keyword("ptsupp")
126 self.add_keyword("radregion")
127 self.add_keyword("rand1")
128 self.add_keyword("rand2")
129 self.add_keyword("renscfact", self.default_scales[1])
130 self.add_keyword("runningscales", 1)
131 self.add_keyword("rwl_add")
132 self.add_keyword("rwl_file")
133 self.add_keyword("rwl_format_rwgt")
134 self.add_keyword("rwl_group_events")
135 self.add_keyword("skipextratests")
136 self.add_keyword("smartsig")
137 self.add_keyword("softtest")
138 self.add_keyword("stage2init")
139 self.add_keyword("sthw2")
140 self.add_keyword("storeinfo_rwgt")
141 self.add_keyword("storemintupb")
142 self.add_keyword("tdec/elbranching")
143 self.add_keyword("tdec/emass")
144 self.add_keyword("tdec/mumass")
145 self.add_keyword("tdec/taumass")
146 self.add_keyword("testplots")
147 self.add_keyword("testsuda")
148 self.add_keyword("topdecaymode", self.allowed_top_decay_modes[0], name="decay_mode_top")
149 self.add_keyword("topmass")
150 self.add_keyword("topwidth")
151 self.add_keyword("ttype", hidden=True)
152 self.add_keyword("ubexcess_correct")
153 self.add_keyword("ubsigmadetails")
154 self.add_keyword("use-old-grid")
155 self.add_keyword("use-old-ubound")
156 self.add_keyword("wdecaymode", self.allowed_W_decay_modes[0], name="decay_mode_W")
157 self.add_keyword("withdamp")
158 self.add_keyword("withfluxfactor")
159 self.add_keyword("withnegweights")
160 self.add_keyword("withsubtr")
161 self.add_keyword("withthetacut")
162 self.add_keyword("wmass")
163 self.add_keyword("wwidth")
164 self.add_keyword("xupbound", 4)
165
166 def validate_decays(self):
167 """! Validate ttype, topdecaymode and wdecaymode keywords."""
168 self.expose() # convenience call to simplify syntax
169 if self.decay_mode_top not in self.allowed_top_decay_modes:
170 logger.warning("Decay mode {} not recognised!".format(self.decay_mode_top))
171 logger.info("Allowed decay modes are:")
172 [logger.info("... {}".format(decay_mode)) for decay_mode in self.allowed_top_decay_modes]
173 raise ValueError("Decay mode {} not recognised!".format(self.decay_mode_top))
174 if self.decay_mode_W not in self.allowed_W_decay_modes:
175 logger.warning("Decay mode {} not recognised!".format(self.decay_mode_W))
176 logger.info("Allowed decay modes are:")
177 [logger.info("... {}".format(decay_mode)) for decay_mode in self.decay_mode_W]
178 raise ValueError("Decay mode {} not recognised!".format(self.decay_mode_W))
179 # Calculate appropriate decay mode numbers
180 __top_decay = self.decay_mode_top.replace("~", "").replace("+", "").replace("-", "").replace("b", "").split("t > ")[1].strip()
181 __W_decay = self.decay_mode_W.split("w > ")[1].strip()
182 __decay_mode_lookup = {"all": "11111", "j j": "00011", "l vl": "11100", "emu vemu": "11000", "e ve": "10000", "mu vm": "01000", "tau vt": "00100"}
183 list(self.parameters_by_keyword("ttype"))[0].value = [+1, -1][self.decay_mode_top.startswith("t~")]
184 list(self.parameters_by_keyword("topdecaymode"))[0].value = __decay_mode_lookup[__top_decay]
185 list(self.parameters_by_keyword("wdecaymode"))[0].value = __decay_mode_lookup[__W_decay]
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.Wt_DS.Wt_DS
Default Powheg configuration for single top production with an associated W-boson through the t-chann...
Definition Wt_DS.py:10
python.processes.powheg.Wt_DS.Wt_DS.validate_decays
validate_decays(self)
Validate ttype, topdecaymode and wdecaymode keywords.
Definition Wt_DS.py:166
python.processes.powheg.Wt_DS.Wt_DS.decay_mode_W
decay_mode_W
Definition Wt_DS.py:175
python.processes.powheg.Wt_DS.Wt_DS.allowed_top_decay_modes
list allowed_top_decay_modes
List of allowed top decay modes.
Definition Wt_DS.py:30
python.processes.powheg.Wt_DS.Wt_DS.decay_mode_top
decay_mode_top
Definition Wt_DS.py:170
python.processes.powheg.Wt_DS.Wt_DS.__init__
__init__(self, base_directory, **kwargs)
Constructor: all process options are set here.
Definition Wt_DS.py:18
python.processes.powheg.Wt_DS.Wt_DS.allowed_W_decay_modes
list allowed_W_decay_modes
List of allowed W decay modes.
Definition Wt_DS.py:35
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.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
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