10 #ifndef IMPACTX_BUNCHER_H
11 #define IMPACTX_BUNCHER_H
31 static constexpr
auto name =
"Buncher";
39 Buncher( amrex::ParticleReal
const V, amrex::ParticleReal
const k )
45 using BeamOptic::operator();
58 PType& AMREX_RESTRICT p,
59 amrex::ParticleReal & AMREX_RESTRICT px,
60 amrex::ParticleReal & AMREX_RESTRICT py,
61 amrex::ParticleReal & AMREX_RESTRICT pt,
62 RefPart const & refpart)
const {
64 using namespace amrex::literals;
67 amrex::ParticleReal
const x = p.pos(
RealAoS::x);
68 amrex::ParticleReal
const y = p.pos(
RealAoS::y);
69 amrex::ParticleReal
const t = p.pos(
RealAoS::t);
72 amrex::ParticleReal
const pt_ref = refpart.
pt;
73 amrex::ParticleReal
const betgam2 =
pow(pt_ref, 2) - 1.0_prt;
76 amrex::ParticleReal pxout = px;
77 amrex::ParticleReal pyout = py;
78 amrex::ParticleReal ptout = pt;
82 pxout = px +
m_k*
m_V/(2.0_prt*betgam2)*x;
85 pyout = py +
m_k*
m_V/(2.0_prt*betgam2)*y;
98 using Thin::operator();
#define AMREX_FORCE_INLINE
#define AMREX_GPU_HOST_DEVICE
T_ParticleType ParticleType
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE GpuComplex< T > pow(const GpuComplex< T > &a_z, const T &a_y) noexcept
Definition: ImpactX.cpp:33
Buncher(amrex::ParticleReal const V, amrex::ParticleReal const k)
Definition: Buncher.H:39
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void operator()(PType &AMREX_RESTRICT p, amrex::ParticleReal &AMREX_RESTRICT px, amrex::ParticleReal &AMREX_RESTRICT py, amrex::ParticleReal &AMREX_RESTRICT pt, RefPart const &refpart) const
Definition: Buncher.H:57
amrex::ParticleReal m_V
Definition: Buncher.H:101
static constexpr auto name
Definition: Buncher.H:31
amrex::ParticleReal m_k
normalized (max) RF voltage drop.
Definition: Buncher.H:102
ImpactXParticleContainer::ParticleType PType
Definition: Buncher.H:32
@ x
position in x [m] (at fixed s OR fixed t)
Definition: ImpactXParticleContainer.H:42
@ y
position in y [m] (at fixed s OR fixed t)
Definition: ImpactXParticleContainer.H:43
@ t
c * time-of-flight [m] (at fixed s)
Definition: ImpactXParticleContainer.H:44
Definition: ReferenceParticle.H:30
amrex::ParticleReal pt
energy, normalized by rest energy
Definition: ReferenceParticle.H:39
Definition: beamoptic.H:135
Definition: nofinalize.H:22