| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #pragma once | ||
| 2 | |||
| 3 | #include "iguana/algorithms/Algorithm.h" | ||
| 4 | #include "iguana/algorithms/TypeDefs.h" | ||
| 5 | #include "iguana/services/ConcurrentParam.h" | ||
| 6 | #include "iguana/services/RCDBReader.h" | ||
| 7 | |||
| 8 | namespace iguana::physics { | ||
| 9 | |||
| 10 | /// @brief_algo Calculate inclusive kinematics quantities | ||
| 11 | /// | ||
| 12 | /// @begin_doc_algo{physics::InclusiveKinematics | Creator} | ||
| 13 | /// @input_banks{REC::Particle, RUN::config} | ||
| 14 | /// @output_banks{%physics::InclusiveKinematics} | ||
| 15 | /// @end_doc | ||
| 16 | /// | ||
| 17 | /// @begin_doc_config{physics/InclusiveKinematics} | ||
| 18 | /// @config_param{beam_direction | list[double] | beam direction vector} | ||
| 19 | /// @config_param{target_particle | string | target particle} | ||
| 20 | /// @config_param{beam_particle | string | beam particle} | ||
| 21 | /// @config_param{reconstruction | string | kinematics reconstruction method; only `scattered_lepton` is available at this time} | ||
| 22 | /// @config_param{lepton_finder | string | algorithm to find the scattered lepton; only `highest_energy_FD_trigger` is available at this time} | ||
| 23 | /// @end_doc | ||
| 24 | /// | ||
| 25 | /// @creator_note | ||
| 26 | class InclusiveKinematics : public Algorithm | ||
| 27 | { | ||
| 28 | |||
| 29 |
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8080 | DEFINE_IGUANA_ALGORITHM(InclusiveKinematics, physics::InclusiveKinematics) |
| 30 | |||
| 31 | public: | ||
| 32 | |||
| 33 | void Start(hipo::banklist& banks) override; | ||
| 34 | void Run(hipo::banklist& banks) const override; | ||
| 35 | void Stop() override; | ||
| 36 | |||
| 37 | /// @action_function{reload} prepare the event | ||
| 38 | /// @when_to_call{for each event} | ||
| 39 | /// @param runnum the run number | ||
| 40 | /// @param beam_energy the beam energy; if negative (the default), RCDB will be used to get the beam energy from `runnum` | ||
| 41 | /// @returns the key to be used in `::ComputeFromLepton` | ||
| 42 | concurrent_key_t PrepareEvent(int const runnum, double const beam_energy = -1) const; | ||
| 43 | |||
| 44 | /// @action_function{scalar creator} compute kinematics from the scattered lepton. | ||
| 45 | /// @param lepton_px scattered lepton momentum component @latex{p_x} (GeV) | ||
| 46 | /// @param lepton_py scattered lepton momentum component @latex{p_y} (GeV) | ||
| 47 | /// @param lepton_pz scattered lepton momentum component @latex{p_z} (GeV) | ||
| 48 | /// @param key the return value of `::PrepareEvent` | ||
| 49 | /// @returns the reconstructed inclusive kinematics in a `iguana::physics::InclusiveKinematicsVars` instance | ||
| 50 | InclusiveKinematicsVars ComputeFromLepton( | ||
| 51 | vector_element_t const lepton_px, | ||
| 52 | vector_element_t const lepton_py, | ||
| 53 | vector_element_t const lepton_pz, | ||
| 54 | concurrent_key_t const key) const; | ||
| 55 | |||
| 56 | private: | ||
| 57 | |||
| 58 | /// FIXME: this could be changed to a vector action function | ||
| 59 | /// Find the scattered lepton. Since finding the scattered lepton requires | ||
| 60 | /// reading all the particles of an event, there is no **Action function**; | ||
| 61 | /// therefore, callers that do not have access to `hipo::bank` objects are | ||
| 62 | /// responsible for finding the scattered lepton. | ||
| 63 | /// @param particle_bank the particle bank to search | ||
| 64 | /// @param key the return value of `::PrepareEvent` | ||
| 65 | /// @returns the bank row of the scattered lepton, or `-1` if not found | ||
| 66 | int FindScatteredLepton(hipo::bank const& particle_bank, concurrent_key_t const key) const; | ||
| 67 | |||
| 68 | void Reload(int const runnum, double const user_beam_energy, concurrent_key_t key) const; | ||
| 69 | |||
| 70 | // banklist indices | ||
| 71 | hipo::banklist::size_type b_particle; | ||
| 72 | hipo::banklist::size_type b_config; | ||
| 73 | hipo::banklist::size_type b_result; | ||
| 74 | |||
| 75 | // `b_result` bank item indices | ||
| 76 | int i_pindex; | ||
| 77 | int i_Q2; | ||
| 78 | int i_x; | ||
| 79 | int i_y; | ||
| 80 | int i_W; | ||
| 81 | int i_nu; | ||
| 82 | int i_qx; | ||
| 83 | int i_qy; | ||
| 84 | int i_qz; | ||
| 85 | int i_qE; | ||
| 86 | int i_beamPz; | ||
| 87 | int i_targetM; | ||
| 88 | |||
| 89 | // config options | ||
| 90 | mutable std::unique_ptr<ConcurrentParam<int>> o_runnum; | ||
| 91 | mutable std::unique_ptr<ConcurrentParam<std::vector<double>>> o_target_PxPyPzM; | ||
| 92 | mutable std::unique_ptr<ConcurrentParam<std::vector<double>>> o_beam_PxPyPzM; | ||
| 93 | double o_beam_mass; // unlikely to change | ||
| 94 | int o_beam_pdg; // unlikely to change | ||
| 95 | |||
| 96 | enum method_reconstruction { scattered_lepton }; | ||
| 97 | enum method_lepton_finder { highest_energy_FD_trigger }; | ||
| 98 | method_reconstruction o_method_reconstruction; | ||
| 99 | method_lepton_finder o_method_lepton_finder; | ||
| 100 | |||
| 101 | std::unique_ptr<RCDBReader> m_rcdb; | ||
| 102 | }; | ||
| 103 | |||
| 104 | } | ||
| 105 |