Track vertexing for trigger applications

被引:0
|
作者
Dima, Maria [1 ,3 ]
Dima, Mihai-Tiberiu [1 ,2 ]
Mihailescu, Madalina [3 ]
机构
[1] Dzhelepov Lab Nucl Problems DLNP, Joint Inst Nucl Res, Dubna 141980, Russia
[2] Polytech Univ, Appl Sci Fac, Bucharest 060042, Romania
[3] Hyperion Univ, Exact Sci & Engn Fac, Bucharest 030615, Romania
来源
关键词
Vertexing; IP determination; error ellipsoids; NXV4; SIMULATION; DETECTOR;
D O I
10.1142/S0218301324410131
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
In this paper, we present a novel vertexing algorithm for determining the point of primary interaction, based on the linear extrapolation of tracks in the vicinity of the beamline. The algorithm considers tracks as infinitely elongated ellipsoids, thereby reducing the track vertexing problem to a vertex-to-points proximity problem. We have implemented the concept in C++ with the aid of our previously reported NXV4 package three for vectors and matrices, which gives very good CPU performance.
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页数:8
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