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QEDGenParam.h
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44 lines (37 loc) · 1.54 KB
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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
#ifndef ALICEO2_QEDGENINFO_H
#define ALICEO2_QEDGENINFO_H
#include "CommonUtils/ConfigurableParam.h"
#include "CommonUtils/ConfigurableParamHelper.h"
// @file QEDGenInfo.h
// @author ruben.shahoyan@cern.ch
// @brief Summary of QED generation: cuts and estimated x-section
namespace o2
{
namespace eventgen
{
struct QEDGenParam : public o2::conf::ConfigurableParamHelper<QEDGenParam> {
float yMin = -6.f; ///< min Y
float yMax = 6.f; ///< max Y
float ptMin = 0.4e-3; ///< min pT
float ptMax = 10.f; ///< min pT
float cmEnergy = 5360.f; ///< center of mass energy per nucleon pair in GeV
float Z = 82.f; ///< atomic number of the projectile/target (only symmetric systems are compatible for now)
//
float xSectionQED = -1; ///< estimated QED x-section in barns
float xSectionHad = 8.; ///< reference hadronic x-section for the same system
// boilerplate stuff + make principal key
O2ParamDef(QEDGenParam, "QEDGenParam");
};
} // namespace eventgen
} // namespace o2
#endif