ATLAS Offline Software
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W.py
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1# Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
2
3from ... import Logging
4from ..powheg_V1 import PowhegV1
5
6
7logger = Logging.logging.getLogger("PowhegControl")
8
9
10class W(PowhegV1):
11 """! Default Powheg configuration for single W-boson production.
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(W, self).__init__(base_directory, "W", **kwargs)
25 self.is_reweightable = True
26
27 # Add parameter validation functions
28 self.validation_functions.append("validate_decays")
29
30
31 self.allowed_decay_modes = ["w- > e- ve~", "w- > mu- vm~", "w- > tau- vt~", "w+ > e+ ve", "w+ > mu+ vm", "w+ > tau+ vt"]
32
33 # Add all keywords for this process, overriding defaults if required
34 self.add_keyword("alphaem")
35 self.add_keyword("bmass_lhe")
36 self.add_keyword("bornktmin")
37 self.add_keyword("bornonly")
38 self.add_keyword("bornsuppfact")
39 self.add_keyword("bornzerodamp")
40 self.add_keyword("bottomthr")
41 self.add_keyword("bottomthrpdf")
42 self.add_keyword("btlscalect")
43 self.add_keyword("btlscalereal")
44 self.add_keyword("charmthr")
45 self.add_keyword("charmthrpdf")
46 self.add_keyword("check_bad_st1")
47 self.add_keyword("check_bad_st2")
48 self.add_keyword("CKM_Vcb")
49 self.add_keyword("CKM_Vcd")
50 self.add_keyword("CKM_Vcs")
51 self.add_keyword("CKM_Vtb")
52 self.add_keyword("CKM_Vtd")
53 self.add_keyword("CKM_Vts")
54 self.add_keyword("CKM_Vub")
55 self.add_keyword("CKM_Vud")
56 self.add_keyword("CKM_Vus")
57 self.add_keyword("cmass_lhe")
58 self.add_keyword("colltest")
59 self.add_keyword("facscfact", self.default_scales[0])
60 self.add_keyword("flg_debug")
61 self.add_keyword("foldcsi")
62 self.add_keyword("foldphi")
63 self.add_keyword("foldy")
64 self.add_keyword("hdamp")
65 self.add_keyword("hfact")
66 self.add_keyword("icsimax")
67 self.add_keyword("idvecbos", hidden=True)
68 self.add_keyword("ih1")
69 self.add_keyword("ih2")
70 self.add_keyword("itmx1", 2)
71 self.add_keyword("itmx2", 4)
72 self.add_keyword("iupperfsr")
73 self.add_keyword("iupperisr")
74 self.add_keyword("iymax")
75 self.add_keyword("lhans1", self.default_PDFs)
76 self.add_keyword("lhans2", self.default_PDFs)
77 self.add_keyword("manyseeds")
78 self.add_keyword("mass_high", 2.0 * list(self.parameters_by_name("beam_energy"))[0].value)
79 self.add_keyword("mass_low", 2.5)
80 self.add_keyword("masswindow_high")
81 self.add_keyword("masswindow_low")
82 self.add_keyword("ncall1", 60000)
83 self.add_keyword("ncall2", 80000)
84 self.add_keyword("nubound", 15000)
85 self.add_keyword("par_2gsupp")
86 self.add_keyword("par_diexp")
87 self.add_keyword("par_dijexp")
88 self.add_keyword("pdfreweight")
89 self.add_keyword("ptsqmin")
90 self.add_keyword("ptsupp")
91 self.add_keyword("radregion")
92 self.add_keyword("rand1")
93 self.add_keyword("rand2")
94 self.add_keyword("renscfact", self.default_scales[1])
95 self.add_keyword("running_width")
96 self.add_keyword("runningscale")
97 self.add_keyword("smartsig")
98 self.add_keyword("softtest")
99 self.add_keyword("sthw2")
100 self.add_keyword("testplots")
101 self.add_keyword("testsuda")
102 self.add_keyword("ubsigmadetails")
103 self.add_keyword("use-old-grid")
104 self.add_keyword("use-old-ubound")
105 self.add_keyword("vdecaymode", list(self.allowed_decay_modes)[0], name="decay_mode")
106 self.add_keyword("withdamp", 1)
107 self.add_keyword("withnegweights")
108 self.add_keyword("withsubtr")
109 self.add_keyword("Wmass")
110 self.add_keyword("Wwidth")
111 self.add_keyword("xupbound")
112 self.add_keyword("Zmass")
113 self.add_keyword("Zwidth")
114
115 def validate_decays(self):
116 """! Validate idvecbos and vdecaymode keywords."""
117 self.expose() # convenience call to simplify syntax
118 self.check_decay_mode(self.decay_mode, self.allowed_decay_modes)
119 # Calculate appropriate decay mode numbers
120 list(self.parameters_by_keyword("idvecbos"))[0].value = 24 * [-1, +1][self.decay_mode.startswith("w+")]
121 __decay_mode_lookup = {"e- ve~": 1, "mu- vm~": 2, "tau- vt~": 3, "e+ ve": 1, "mu+ vm": 2, "tau+ vt": 3}
122 list(self.parameters_by_keyword("vdecaymode"))[0].value = __decay_mode_lookup[self.decay_mode.split("> ")[1]]
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_name
parameters_by_name(self, name)
Retrieve all parameters that use a given name.
Definition configurable.py:64
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.W.W
Default Powheg configuration for single W-boson production.
Definition W.py:10
python.processes.powheg.W.W.allowed_decay_modes
list allowed_decay_modes
List of allowed decay modes.
Definition W.py:31
python.processes.powheg.W.W.validate_decays
validate_decays(self)
Validate idvecbos and vdecaymode keywords.
Definition W.py:115
python.processes.powheg.W.W.__init__
__init__(self, base_directory, **kwargs)
Constructor: all process options are set here.
Definition W.py:18
python.processes.powheg_V1.PowhegV1
Base class for PowhegBox V1 processes.
Definition powheg_V1.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
split
std::vector< std::string > split(const std::string &s, const std::string &t=":")
Definition hcg.cxx:179
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