| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /// @file | ||
| 2 | /// @brief Type definitions for common objects used in algorithms | ||
| 3 | #pragma once | ||
| 4 | |||
| 5 | #include <string> | ||
| 6 | #include <unordered_map> | ||
| 7 | |||
| 8 | namespace iguana { | ||
| 9 | |||
| 10 | /// Vector element type | ||
| 11 | using vector_element_t = double; | ||
| 12 | |||
| 13 | /// 3-momentum type | ||
| 14 | struct Momentum3 { | ||
| 15 | /// @f$x@f$-component | ||
| 16 | vector_element_t px; | ||
| 17 | /// @f$y@f$-component | ||
| 18 | vector_element_t py; | ||
| 19 | /// @f$z@f$-component | ||
| 20 | vector_element_t pz; | ||
| 21 | }; | ||
| 22 | |||
| 23 | /// 4-momentum type | ||
| 24 | struct Momentum4 { | ||
| 25 | /// @f$x@f$-component | ||
| 26 | vector_element_t px; | ||
| 27 | /// @f$y@f$-component | ||
| 28 | vector_element_t py; | ||
| 29 | /// @f$z@f$-component | ||
| 30 | vector_element_t pz; | ||
| 31 | /// @f$E@f$-component | ||
| 32 | vector_element_t E; | ||
| 33 | }; | ||
| 34 | |||
| 35 | /// Light-weight namespace for particle constants | ||
| 36 | namespace particle { | ||
| 37 | // clang-format off | ||
| 38 | |||
| 39 | /// PDG codes | ||
| 40 | enum PDG { | ||
| 41 | electron = 11, | ||
| 42 | photon = 22, | ||
| 43 | proton = 2212, | ||
| 44 | antiproton = -2212, | ||
| 45 | neutron = 2112, | ||
| 46 | antineutron = -2112, | ||
| 47 | pi_plus = 211, | ||
| 48 | pi_minus = -211, | ||
| 49 | kaon_plus = 321, | ||
| 50 | kaon_minus = -321 | ||
| 51 | }; | ||
| 52 | |||
| 53 | /// Particle names | ||
| 54 | const std::unordered_map<PDG, std::string> name{ | ||
| 55 | { electron, "electron" }, | ||
| 56 | { photon, "photon" }, | ||
| 57 | { proton, "proton" }, | ||
| 58 | { antiproton, "antiproton" }, | ||
| 59 | { neutron, "neutron" }, | ||
| 60 | { antineutron, "antineutron" }, | ||
| 61 | { pi_plus, "pi_plus" }, | ||
| 62 | { pi_minus, "pi_minus" }, | ||
| 63 | { kaon_plus, "kaon_plus" }, | ||
| 64 | { kaon_minus, "kaon_minus" } | ||
| 65 | }; | ||
| 66 | |||
| 67 | /// Particle titles | ||
| 68 | const std::unordered_map<PDG, std::string> title{ | ||
| 69 | { electron, "e^{-}" }, | ||
| 70 | { photon, "#gamma" }, | ||
| 71 | { proton, "p" }, | ||
| 72 | { antiproton, "#bar{p}" }, | ||
| 73 | { neutron, "n" }, | ||
| 74 | { antineutron, "#bar{n}" }, | ||
| 75 | { pi_plus, "#pi^{+}" }, | ||
| 76 | { pi_minus, "#pi^{-}" }, | ||
| 77 | { kaon_plus, "K^{+}" }, | ||
| 78 | { kaon_minus, "K^{-}" } | ||
| 79 | }; | ||
| 80 | |||
| 81 | /// Particle mass in GeV | ||
| 82 | const std::unordered_map<PDG, double> mass{ | ||
| 83 | { electron, 0.000511 }, | ||
| 84 | { photon, 0.0 }, | ||
| 85 | { proton, 0.938272 }, | ||
| 86 | { antiproton, 0.938272 }, | ||
| 87 | { neutron, 0.939565 }, | ||
| 88 | { antineutron, 0.939565 }, | ||
| 89 | { pi_plus, 0.139570 }, | ||
| 90 | { pi_minus, 0.139570 }, | ||
| 91 | { kaon_plus, 0.493677 }, | ||
| 92 | { kaon_minus, 0.493677 } | ||
| 93 | }; | ||
| 94 | |||
| 95 | // clang-format on | ||
| 96 | } | ||
| 97 | |||
| 98 | } | ||
| 99 |