| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #pragma once | ||
| 2 | |||
| 3 | #include "iguana/algorithms/Algorithm.h" | ||
| 4 | #include <Math/Vector3D.h> | ||
| 5 | #include <Math/Vector4D.h> | ||
| 6 | |||
| 7 | namespace iguana::physics { | ||
| 8 | |||
| 9 | /// Set of hadron kinematics variables | ||
| 10 | struct SingleHadronKinematicsVars { | ||
| 11 | /// @brief `REC::Particle` row (`pindex`) of the hadron | ||
| 12 | int pindex; | ||
| 13 | /// @brief PDG code of the hadron | ||
| 14 | int pdg; | ||
| 15 | /// @brief @latex{z}: Momentum fraction of the fragmenting parton carried by the hadron | ||
| 16 | double z; | ||
| 17 | /// @brief @latex{P_h^\perp}: transverse momentum of the hadron in the @latex{\perp}-frame (transverse to @latex{\vec{q}}) | ||
| 18 | double PhPerp; | ||
| 19 | /// @brief @latex{M_X(ehX)^2}: Missing mass squared of the hadron | ||
| 20 | double MX2; | ||
| 21 | /// @brief @latex{x_F}: Feynman-x of the hadron | ||
| 22 | double xF; | ||
| 23 | /// @brief @latex{y_{h,B}}: Breit frame rapidity of the hadron | ||
| 24 | double yB; | ||
| 25 | /// @brief @latex{\phi_h}: @latex{q}-azimuthal angle between the lepton-scattering plane and the @latex{\vec{q}\times\vec{P}_h} plane; | ||
| 26 | /// if the value is `tools::UNDEF`, the calculation failed | ||
| 27 | double phiH; | ||
| 28 | /// @brief @latex{\xi_h}: Longitudinal momentum fraction of the nucleon carried by the hadron | ||
| 29 | double xi; | ||
| 30 | }; | ||
| 31 | |||
| 32 | /// @brief_algo Calculate semi-inclusive hadron kinematic quantities defined in `iguana::physics::SingleHadronKinematicsVars` | ||
| 33 | /// | ||
| 34 | /// @begin_doc_algo{physics::SingleHadronKinematics | Creator} | ||
| 35 | /// @input_banks{REC::Particle, %physics::InclusiveKinematics} | ||
| 36 | /// @output_banks{%physics::SingleHadronKinematics} | ||
| 37 | /// @end_doc | ||
| 38 | /// | ||
| 39 | /// @begin_doc_config | ||
| 40 | /// @config_param{hadron_list | list[int] | list of hadron PDGs} | ||
| 41 | /// @end_doc | ||
| 42 | /// | ||
| 43 | /// The output bank `%physics::SingleHadronKinematics` will have the same number of rows as the input particle bank `REC::Particle` | ||
| 44 | /// - we want the output bank to have the same number of rows and ordering as the input | ||
| 45 | /// particle bank, so that banks which reference the input particle bank's rows (usually via `pindex`) can be used to | ||
| 46 | /// reference the output bank's rows too | ||
| 47 | /// - rows of the input particle bank which were filtered upstream will also be filtered out here, and all the values of the | ||
| 48 | /// corresponding row in the output bank will be zeroed, since no calculations are performed for | ||
| 49 | /// those particles | ||
| 50 | /// - particles which are not listed in the configuration parameter `hadron_list` will also be filtered out and zeroed | ||
| 51 | class SingleHadronKinematics : public Algorithm | ||
| 52 | { | ||
| 53 | |||
| 54 |
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2016 | DEFINE_IGUANA_ALGORITHM(SingleHadronKinematics, physics::SingleHadronKinematics) |
| 55 | |||
| 56 | public: | ||
| 57 | |||
| 58 | void Start(hipo::banklist& banks) override; | ||
| 59 | void Run(hipo::banklist& banks) const override; | ||
| 60 | void Stop() override; | ||
| 61 | |||
| 62 | private: | ||
| 63 | |||
| 64 | // banklist indices | ||
| 65 | hipo::banklist::size_type b_particle; | ||
| 66 | hipo::banklist::size_type b_inc_kin; | ||
| 67 | hipo::banklist::size_type b_result; | ||
| 68 | |||
| 69 | // `b_result` bank item indices | ||
| 70 | int i_pindex; | ||
| 71 | int i_pdg; | ||
| 72 | int i_z; | ||
| 73 | int i_PhPerp; | ||
| 74 | int i_MX2; | ||
| 75 | int i_xF; | ||
| 76 | int i_yB; | ||
| 77 | int i_phiH; | ||
| 78 | int i_xi; | ||
| 79 | |||
| 80 | // config options | ||
| 81 | std::set<int> o_hadron_pdgs; | ||
| 82 | |||
| 83 | }; | ||
| 84 | |||
| 85 | } | ||
| 86 |