GCC Code Coverage Report

Directory: ./
File: src/iguana/algorithms/physics/SingleHadronKinematics/Algorithm.cc
Date: 2025-11-25 17:57:04
Coverage Exec Excl Total
Lines: 96.6% 85 0 88
Functions: 100.0% 4 0 4
Branches: 52.9% 55 0 104
Line Branch Exec Source
1 #include "Algorithm.h"
2 #include "TypeDefs.h"
3 #include "iguana/algorithms/physics/Tools.h"
4
5 #include <Math/Boost.h>
6
7 namespace iguana::physics {
8
9 REGISTER_IGUANA_ALGORITHM(SingleHadronKinematics, "physics::SingleHadronKinematics");
10
11 2 void SingleHadronKinematics::Start(hipo::banklist& banks)
12 {
13 // parse config file
14 2 ParseYAMLConfig();
15
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 4 o_particle_bank = GetOptionScalar<std::string>("particle_bank");
16
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 4 o_hadron_pdgs = GetOptionSet<int>("hadron_list");
17
18 // get bank indices
19 2 b_particle = GetBankIndex(banks, o_particle_bank);
20
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 4 b_inc_kin = GetBankIndex(banks, "physics::InclusiveKinematics");
21
22 // create the output bank
23
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 2 auto result_schema = CreateBank(banks, b_result, GetClassName());
24
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 2 i_pindex = result_schema.getEntryOrder("pindex");
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 2 i_pdg = result_schema.getEntryOrder("pdg");
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 2 i_z = result_schema.getEntryOrder("z");
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 2 i_PhPerp = result_schema.getEntryOrder("PhPerp");
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 2 i_MX2 = result_schema.getEntryOrder("MX2");
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 2 i_xF = result_schema.getEntryOrder("xF");
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 2 i_yB = result_schema.getEntryOrder("yB");
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 2 i_phiH = result_schema.getEntryOrder("phiH");
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 2 i_xi = result_schema.getEntryOrder("xi");
33
34 2 m_log->Warn("the kinematic calculations in this algorithm need to be cross checked; use this algorithm at your own risk!");
35 2 }
36
37 ///////////////////////////////////////////////////////////////////////////////
38
39 286 bool SingleHadronKinematics::Run(hipo::banklist& banks) const
40 {
41
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 572 return Run(
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 286 GetBank(banks, b_particle, o_particle_bank),
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 572 GetBank(banks, b_inc_kin, "physics::InclusiveKinematics"),
44
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 572 GetBank(banks, b_result, GetClassName()));
45 }
46
47 286 bool SingleHadronKinematics::Run(
48 hipo::bank const& particle_bank,
49 hipo::bank const& inc_kin_bank,
50 hipo::bank& result_bank) const
51 {
52 286 result_bank.reset(); // IMPORTANT: always first `reset` the created bank(s)
53
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 572 ShowBank(particle_bank, Logger::Header("INPUT PARTICLES"));
54
55
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 286 if(particle_bank.getRowList().empty() || inc_kin_bank.getRowList().empty()) {
56 ✗ m_log->Debug("skip this event, since not all required banks have entries");
57 ✗ return false;
58 }
59
60 // get beam and target momenta
61 // FIXME: makes some assumptions about the beam; this should be generalized...
62 ROOT::Math::PxPyPzMVector p_beam(
63 0.0,
64 0.0,
65 286 inc_kin_bank.getDouble("beamPz", 0),
66 286 particle::mass.at(particle::electron));
67 ROOT::Math::PxPyPzMVector p_target(
68 0.0,
69 0.0,
70 0.0,
71 286 inc_kin_bank.getDouble("targetM", 0));
72
73 // get virtual photon momentum
74 ROOT::Math::PxPyPzEVector p_q(
75 286 inc_kin_bank.getDouble("qx", 0),
76 286 inc_kin_bank.getDouble("qy", 0),
77 286 inc_kin_bank.getDouble("qz", 0),
78 286 inc_kin_bank.getDouble("qE", 0));
79
80 // get additional inclusive variables
81 286 auto x = inc_kin_bank.getDouble("x", 0);
82 286 auto W = inc_kin_bank.getDouble("W", 0);
83
84 // boosts
85 286 ROOT::Math::Boost boost__qp((p_q + p_target).BoostToCM()); // CoM frame of target and virtual photon
86 286 ROOT::Math::Boost boost__breit((p_q + 2 * x * p_target).BoostToCM()); // Breit frame
87 286 auto p_q__qp = boost__qp(p_q);
88 286 auto p_q__breit = boost__breit(p_q);
89
90 // banks' row lists
91 286 auto const& particle_bank_rowlist = particle_bank.getRowList();
92 hipo::bank::rowlist::list_t result_bank_rowlist{};
93
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 286 result_bank.setRows(particle_bank.getRows());
94
95 // loop over ALL rows of `particle_bank`
96 // - we will calculate kinematics for rows in `particle_bank_rowlist`, and zero out all the other rows
97 // - we want the `result_bank` to have the same number of rows as `particle_bank` and the same ordering,
98 // so that banks which reference `particle_bank` rows can be used to reference `result_bank` rows too
99
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 2182 for(int row = 0; row < particle_bank.getRows(); row++) {
100
101 // if the particle is in `o_hadron_pdgs` AND the row is in `particle_bank`'s filtered row list
102 1896 if(auto pdg{particle_bank.getInt("pid", row)};
103
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 2127 o_hadron_pdgs.find(pdg) != o_hadron_pdgs.end() &&
104 std::find(particle_bank_rowlist.begin(), particle_bank_rowlist.end(), row) != particle_bank_rowlist.end()) {
105
106 // hadron momentum
107 auto p_Ph = ROOT::Math::PxPyPzMVector(
108
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 231 particle_bank.getFloat("px", row),
109 231 particle_bank.getFloat("py", row),
110 231 particle_bank.getFloat("pz", row),
111
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 231 particle::mass.at(static_cast<particle::PDG>(pdg)));
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 231 auto p_Ph__qp = boost__qp(p_Ph);
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 231 auto p_Ph__breit = boost__breit(p_Ph);
114
115 // calculate z
116
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 231 double z = p_target.Dot(p_Ph) / p_target.Dot(p_q);
117
118 // calculate PhPerp
119
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 231 auto opt_PhPerp = tools::RejectVector(p_Ph.Vect(), p_q.Vect());
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 231 double PhPerp = opt_PhPerp.has_value() ? opt_PhPerp.value().R() : tools::UNDEF;
121
122 // calculate MX2
123
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 231 double MX2 = (p_target + p_q - p_Ph).M2();
124
125 // calculate xF
126
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 231 double xF = 2 * p_Ph__qp.Vect().Dot(p_q__qp.Vect()) / (W * p_q__qp.Vect().R());
127
128 // calculate yB
129
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 462 double yB = tools::ParticleRapidity(p_Ph__breit, p_q__breit.Vect()).value_or(tools::UNDEF);
130
131 // calculate phiH
132
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 231 double phiH = tools::PlaneAngle(
133 231 p_q.Vect(),
134 231 p_beam.Vect(),
135 231 p_q.Vect(),
136 ✗ p_Ph.Vect())
137 .value_or(tools::UNDEF);
138
139 // calculate xi
140
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 231 double xi = p_q.Dot(p_Ph) / p_target.Dot(p_q);
141
142 // put this particle in `result_bank`'s row list
143 result_bank_rowlist.push_back(row);
144
145 // fill the bank
146 231 result_bank.putShort(i_pindex, row, static_cast<int16_t>(row));
147 231 result_bank.putInt(i_pdg, row, pdg);
148 231 result_bank.putDouble(i_z, row, z);
149 231 result_bank.putDouble(i_PhPerp, row, PhPerp);
150 231 result_bank.putDouble(i_MX2, row, MX2);
151 231 result_bank.putDouble(i_xF, row, xF);
152 231 result_bank.putDouble(i_yB, row, yB);
153 231 result_bank.putDouble(i_phiH, row, phiH);
154 231 result_bank.putDouble(i_xi, row, xi);
155 }
156 else {
157 // zero the row
158 1665 result_bank.putShort(i_pindex, row, static_cast<int16_t>(row));
159 1665 result_bank.putInt(i_pdg, row, pdg);
160 1665 result_bank.putDouble(i_z, row, 0);
161 1665 result_bank.putDouble(i_PhPerp, row, 0);
162 1665 result_bank.putDouble(i_MX2, row, 0);
163 1665 result_bank.putDouble(i_xF, row, 0);
164 1665 result_bank.putDouble(i_yB, row, 0);
165 1665 result_bank.putDouble(i_phiH, row, 0);
166 1665 result_bank.putDouble(i_xi, row, 0);
167 }
168 }
169
170 // apply the filtered rowlist to `result_bank`
171
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 286 result_bank.getMutableRowList().setList(result_bank_rowlist);
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 858 ShowBank(result_bank, Logger::Header("CREATED BANK"));
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 286 return result_bank.getRows() > 0;
175 }
176
177 ///////////////////////////////////////////////////////////////////////////////
178
179 1 void SingleHadronKinematics::Stop()
180 {
181 1 }
182
183 }
184