epic-analysis/src/CommonConstants.h

0001 // SPDX-License-Identifier: LGPL-3.0-or-later
0002 // Copyright (C) 2023 Christopher Dilks
0003
0004 // common constants for analysis
0005
0006 #pragma once
0007
0008 namespace constants {
0009
0010   // PDG codes
0011   enum pdg_enum {
0012     pdgElectron = 11,
0013     pdgProton   = 2212
0014   };
0015
0016   // status codes
0017   enum status_enum {
0018     statusFinal = 1,
0019     statusBeam  = 4
0020   };
0021
0022   static const double pimass = 0.13957061;
0023   static const double kmass  = 0.493677;
0024   static const double pmass  = 0.938272081;
0025   static const double emass  = 0.000511;
0026   static const double mumass = 0.105658376;
0027
0028 };