Physics/MuonDecay.h

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#ifndef OPAL_PHYSICS_MUON_DECAY_H
#define OPAL_PHYSICS_MUON_DECAY_H
 
#include "Physics/Physics.h"
 
#include <Kokkos_Core.hpp>
 
namespace Physics {
    namespace MuonDecay {
 
        KOKKOS_INLINE_FUNCTION constexpr double maxElectronEnergy() { return Physics::m_mu / 2.0; }
 
        KOKKOS_INLINE_FUNCTION constexpr double minElectronX() {
            return Physics::m_e / maxElectronEnergy();
        }
 
        KOKKOS_INLINE_FUNCTION double michelSpectrum(double x) {
            return 2.0 * x * x * (3.0 - 2.0 * x);
        }
 
        KOKKOS_INLINE_FUNCTION constexpr double michelUpperBound() { return 2.0; }
 
    }  // namespace MuonDecay
}  // namespace Physics
 
#endif  // OPAL_PHYSICS_MUON_DECAY_H