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File indexing completed on 2025-12-06 09:00:37

0001 // SPDX-License-Identifier: LGPL-3.0-or-later
0002 // Copyright (C) 2024 Xin Dong
0003 
0004 #pragma once
0005 
0006 #include <string>
0007 #include <edm4eic/unit_system.h>
0008 #include <DD4hep/DD4hepUnits.h>
0009 
0010 namespace eicrecon {
0011 
0012 struct SecondaryVerticesHelixConfig {
0013 
0014   bool unlikesign   = true;
0015   float minDca      = 0.03 * edm4eic::unit::mm; // mm, daughter to pVtx
0016   float maxDca12    = 1. * edm4eic::unit::mm;   // mm, dca between daughter 1 and 2
0017   float maxDca      = 1. * edm4eic::unit::mm;   // mm, dca of V0 to pVtx
0018   float minCostheta = 0.8; // costheta, theta: angle of V0 decay direction and momentum
0019 };
0020 
0021 } // namespace eicrecon