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QEDGenParam.h
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1// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
2// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
3// All rights not expressly granted are reserved.
4//
5// This software is distributed under the terms of the GNU General Public
6// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
7//
8// In applying this license CERN does not waive the privileges and immunities
9// granted to it by virtue of its status as an Intergovernmental Organization
10// or submit itself to any jurisdiction.
11
12#ifndef ALICEO2_QEDGENINFO_H
13#define ALICEO2_QEDGENINFO_H
14
17
18// @file QEDGenInfo.h
19// @author ruben.shahoyan@cern.ch
20// @brief Summary of QED generation: cuts and estimated x-section
21
22namespace o2
23{
24namespace eventgen
25{
26struct QEDGenParam : public o2::conf::ConfigurableParamHelper<QEDGenParam> {
27 float yMin = -6.f;
28 float yMax = 6.f;
29 float ptMin = 0.4e-3;
30 float ptMax = 10.f;
31 float cmEnergy = 5360.f;
32 float Z = 82.f;
33 //
34 float xSectionQED = -1;
35 float xSectionHad = 8.;
36
37 // boilerplate stuff + make principal key
38 O2ParamDef(QEDGenParam, "QEDGenParam");
39};
40
41} // namespace eventgen
42} // namespace o2
43
44#endif
a couple of static helper functions to create timestamp values for CCDB queries or override obsolete ...
float xSectionHad
reference hadronic x-section for the same system
Definition QEDGenParam.h:35
float cmEnergy
center of mass energy per nucleon pair in GeV
Definition QEDGenParam.h:31
float Z
atomic number of the projectile/target (only symmetric systems are compatible for now)
Definition QEDGenParam.h:32
O2ParamDef(QEDGenParam, "QEDGenParam")
float xSectionQED
estimated QED x-section in barns
Definition QEDGenParam.h:34