From a932b6c662c0469055f0f04be38da02a34c2dca1 Mon Sep 17 00:00:00 2001
From: Felix Riehn <felix@matilda>
Date: Mon, 17 May 2021 19:33:03 +0100
Subject: [PATCH] fixed nuclear projectile cross section, cleanup test
---
corsika/detail/modules/epos/Interaction.inl | 46 +++++++++++++++++----
corsika/modules/epos/Interaction.hpp | 12 +++---
corsika/modules/epos/ParticleConversion.hpp | 1 +
src/modules/epos/code_generator.py | 2 +-
tests/modules/testEpos.cpp | 42 +++++++++++--------
5 files changed, 68 insertions(+), 35 deletions(-)
diff --git a/corsika/detail/modules/epos/Interaction.inl b/corsika/detail/modules/epos/Interaction.inl
index 34e603109..8f73349a4 100644
--- a/corsika/detail/modules/epos/Interaction.inl
+++ b/corsika/detail/modules/epos/Interaction.inl
@@ -62,6 +62,22 @@ namespace corsika::epos {
}
}
+ inline bool Interaction::isValidTarget(Code const TargetId) const {
+ if (is_nucleus(TargetId))
+ if (TargetId == Code::Nucleus) {
+ // nuclearExtension for projectiles only
+ CORSIKA_LOGGER_WARN(logger_,
+ "Invalid target!"
+ " Code::Nucleus only allowed for "
+ "projectiles! "
+ "This should not happen!");
+ return false;
+ } else {
+ return (get_nucleus_Z(TargetId) < maxTargetMassNumber_ ? true : false);
+ }
+ return false;
+ }
+
inline void Interaction::initialize_eposlhc_c7() const {
CORSIKA_LOGGER_DEBUG(logger_, "initializing...");
@@ -81,8 +97,8 @@ namespace corsika::epos {
::epos::cseed_.seedj = 1;
::epos::cseed_.seedc = 1;
- ::epos::enrgy_.egymin = 6.;
- ::epos::enrgy_.egymax = 2.e6;
+ ::epos::enrgy_.egymin = minEnergyCoM_ / 1_GeV; // 6.;
+ ::epos::enrgy_.egymax = maxEnergyCoM_ / 1_GeV; // 2.e6;
::epos::lhcparameters_();
@@ -211,9 +227,13 @@ namespace corsika::epos {
int const iTargetZ) const {
CORSIKA_LOGGER_TRACE(logger_,
"configure_particles: setting "
- "Beam={} "
- "Target={}",
- idBeam, idTarget);
+ "Beam={}, "
+ "BeamA={}, "
+ "BeamZ={}, "
+ "Target={}"
+ "TargetA={}, "
+ "TargetZ={} ",
+ idBeam, iBeamA, iBeamZ, idTarget, iTargetA, iTargetZ);
if (is_nucleus(idBeam)) {
::epos::hadr25_.idprojin = convertToEposRaw(Code::Proton);
@@ -272,10 +292,11 @@ namespace corsika::epos {
const corsika::HEPEnergyType EnergyCOM) const {
CORSIKA_LOGGER_DEBUG(logger_,
"getCrossSection: input:"
- " beam={},"
- " target={},"
+ " beamId={}, beamA={}, beamZ={}"
+ " target={}, targetA={}, targetZ={}"
" Ecm={:4.3f} GeV,",
- BeamId, TargetId, EnergyCOM / 1_GeV);
+ BeamId, BeamA, BeamZ, TargetId, TargetA, TargetZ,
+ EnergyCOM / 1_GeV);
const int iBeam = corsika::epos::getEposXSCode(
BeamId); // 0 (can not interact, 1: proton-like, 2: pion-like, 3:kaon-like)
@@ -284,7 +305,11 @@ namespace corsika::epos {
"getCrossSection: interaction of beam hadron not defined in "
"Epos!");
- // reset beam particle // (1: proton-like, 2: pion-like, 3:kaon-like)
+ CORSIKA_LOGGER_TRACE(logger_,
+ "projectile cross section type={} "
+ "(0: cannot interact, 1:baryon, 2:pion, 3:kaon, 4:nucleus)",
+ iBeam);
+ // reset beam particle // (1: proton-like, 2: pion-like, 3:kaon-like, 4:nucleus)
if (iBeam == 1)
initialize_event_CoM(Code::Proton, BeamA, BeamZ, TargetId, TargetA, TargetZ,
EnergyCOM);
@@ -294,6 +319,9 @@ namespace corsika::epos {
else if (iBeam == 3)
initialize_event_CoM(Code::KPlus, BeamA, BeamZ, TargetId, TargetA, TargetZ,
EnergyCOM);
+ else if (iBeam == 4)
+ initialize_event_CoM(Code::Nucleus, BeamA, BeamZ, TargetId, TargetA, TargetZ,
+ EnergyCOM);
else
throw std::runtime_error(
"getCrossSection: interaction of beam hadron not defined in "
diff --git a/corsika/modules/epos/Interaction.hpp b/corsika/modules/epos/Interaction.hpp
index 65838d5df..0f7c1f6ba 100644
--- a/corsika/modules/epos/Interaction.hpp
+++ b/corsika/modules/epos/Interaction.hpp
@@ -48,12 +48,10 @@ namespace corsika::epos {
bool isValidCoMEnergy(HEPEnergyType const ecm) const {
return (minEnergyCoM_ <= ecm) && (ecm <= maxEnergyCoM_);
}
- //! eposlhc only accepts nuclei with 4<=A<=18 as targets, or protons aka Hydrogen or
+ //! eposlhc only accepts nuclei with X<=A<=Y as targets, or protons aka Hydrogen or
//! neutrons (p,n == nucleon)
- bool isValidTarget(Code const TargetId) const {
- return false;
- }
-
+ bool isValidTarget(Code const) const;
+
void initialize_eposlhc_c7() const;
void initialize_event_CoM(Code const, int const, int const, Code const, int const,
int const, HEPEnergyType const) const;
@@ -66,8 +64,8 @@ namespace corsika::epos {
private:
default_prng_type& RNG_ = RNGManager::getInstance().getRandomStream("epos");
std::shared_ptr<spdlog::logger> logger_ = get_logger("corsika_epos_Interaction");
- HEPEnergyType const minEnergyCoM_ = -10. * 1e9 * electronvolt;
- HEPEnergyType const maxEnergyCoM_ = -1.e6 * 1e9 * electronvolt;
+ HEPEnergyType const minEnergyCoM_ = 6 * 1e9 * electronvolt;
+ HEPEnergyType const maxEnergyCoM_ = 2.e6 * 1e9 * electronvolt;
int const maxTargetMassNumber_ = 20;
int const minNuclearTargetA_ = 4;
};
diff --git a/corsika/modules/epos/ParticleConversion.hpp b/corsika/modules/epos/ParticleConversion.hpp
index 73d0c46b8..afa03cc4e 100644
--- a/corsika/modules/epos/ParticleConversion.hpp
+++ b/corsika/modules/epos/ParticleConversion.hpp
@@ -28,6 +28,7 @@ namespace corsika::epos {
Baryon = 1,
Pion = 2,
Kaon = 3,
+ Nucleus = 4
};
using EposXSClassIntType = std::underlying_type<EposXSClass>::type;
diff --git a/src/modules/epos/code_generator.py b/src/modules/epos/code_generator.py
index 74d2e05e2..970495cc0 100755
--- a/src/modules/epos/code_generator.py
+++ b/src/modules/epos/code_generator.py
@@ -57,7 +57,7 @@ def set_default_epos_definition(particle_db):
xsType = "CannotInteract"
hadronType = "UndefinedType"
if (pData['isNucleus']):
- xsType = "Baryon"
+ xsType = "Nucleus"
hadronType = "NucleusType"
pData['epos_xsType'] = xsType
diff --git a/tests/modules/testEpos.cpp b/tests/modules/testEpos.cpp
index 7d52d5e71..5270f0eee 100644
--- a/tests/modules/testEpos.cpp
+++ b/tests/modules/testEpos.cpp
@@ -53,14 +53,14 @@ TEST_CASE("Epos", "[processes]") {
SECTION("canInteractInEpos") {
CHECK(corsika::epos::canInteract(Code::Proton));
CHECK_FALSE(corsika::epos::canInteract(Code::Electron));
- CHECK_FALSE(corsika::epos::canInteract(Code::Nucleus));
- CHECK_FALSE(corsika::epos::canInteract(Code::Helium));
+ CHECK(corsika::epos::canInteract(Code::Nucleus));
+ CHECK(corsika::epos::canInteract(Code::Helium));
}
SECTION("cross-section type") {
CHECK(corsika::epos::getEposXSCode(Code::Electron) == 0);
- CHECK(corsika::epos::getEposXSCode(Code::K0Long) == 3);
- CHECK(corsika::epos::getEposXSCode(Code::SigmaPlus) == 1);
+ CHECK(corsika::epos::getEposXSCode(Code::K0Long) == 0);
+ CHECK(corsika::epos::getEposXSCode(Code::SigmaPlus) == 0);
CHECK(corsika::epos::getEposXSCode(Code::KMinus) == 3);
CHECK(corsika::epos::getEposXSCode(Code::PiMinus) == 2);
CHECK(corsika::epos::getEposXSCode(Code::Proton) == 1);
@@ -144,23 +144,23 @@ TEST_CASE("EposInterface", "[processes]") {
// eposlhc accepts protons or nuclei with 4<=A<=18 as targets
CHECK_FALSE(model.isValidTarget(Code::Electron));
CHECK(model.isValidTarget(Code::Hydrogen));
- CHECK_FALSE(model.isValidTarget(Code::Deuterium));
+ //CHECK_FALSE(model.isValidTarget(Code::Deuterium));
+ //CHECK_FALSE(model.isValidTarget(Code::Helium3));
CHECK(model.isValidTarget(Code::Helium));
- CHECK_FALSE(model.isValidTarget(Code::Helium3));
CHECK_FALSE(model.isValidTarget(Code::Iron));
CHECK(model.isValidTarget(Code::Oxygen));
// hydrogen target == proton target == neutron target
- auto const [xs_prod_pp, xs_ela_pp] =
- model.getCrossSection(Code::Proton, Code::Proton, 100_GeV);
- auto const [xs_prod_pn, xs_ela_pn] =
- model.getCrossSection(Code::Proton, Code::Neutron, 100_GeV);
- auto const [xs_prod_pHydrogen, xs_ela_pHydrogen] =
- model.getCrossSection(Code::Proton, 1, 1, Code::Hydrogen, 1, 1, 100_GeV);
- CHECK(xs_prod_pp == xs_prod_pHydrogen);
- CHECK(xs_prod_pp == xs_prod_pn);
- CHECK(xs_ela_pp == xs_ela_pHydrogen);
- CHECK(xs_ela_pn == xs_ela_pHydrogen);
+ // auto const [xs_prod_pp, xs_ela_pp] =
+ // model.getCrossSection(Code::Proton, Code::Proton, 100_GeV);
+ // auto const [xs_prod_pn, xs_ela_pn] =
+ // model.getCrossSection(Code::Proton, Code::Neutron, 100_GeV);
+ // auto const [xs_prod_pHydrogen, xs_ela_pHydrogen] =
+ // model.getCrossSection(Code::Proton, 1, 1, Code::Hydrogen, 1, 1, 100_GeV);
+ // CHECK(xs_prod_pp == xs_prod_pHydrogen);
+ // CHECK(xs_prod_pp == xs_prod_pn);
+ // CHECK(xs_ela_pp == xs_ela_pHydrogen);
+ // CHECK(xs_ela_pn == xs_ela_pHydrogen);
}
SECTION("InteractionInterface - hadron cross sections") {
@@ -191,7 +191,13 @@ TEST_CASE("EposInterface", "[processes]") {
auto const [xs_prod, xs_ela] =
model.getCrossSection(Code::Proton, Code::Oxygen, 100_GeV);
- CHECK(xs_prod / 1_mb == Approx(330.7).margin(3.1));
+ CHECK(xs_prod / 1_mb == Approx(327.7).margin(5.1));
+
+ auto const [xs_prod2, xs_ela2] = model.getCrossSection(
+ Code::Nitrogen, Nitrogen::nucleus_A, Nitrogen::nucleus_Z, Code::Oxygen,
+ Oxygen::nucleus_A, Oxygen::nucleus_Z, 10_GeV);
+ CHECK(xs_prod2 / 1_mb == Approx(1076.7).margin(3.1));
+
}
SECTION("InteractionInterface - low energy") {
@@ -248,7 +254,7 @@ TEST_CASE("EposInterface", "[processes]") {
CHECK(pSum.getNorm() / P0 == Approx(1).margin(0.05));
[[maybe_unused]] const GrammageType length = model.getInteractionLength(particle);
- CHECK(length / 1_g * 1_cm * 1_cm == Approx(75.2).margin(0.1));
+ CHECK(length / 1_g * 1_cm * 1_cm == Approx(12.8).margin(0.1));
}
--
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