Scholarlink

Abstract <p>The electromagnetic calorimeter (ECal) of the multipurpose detector (MPD)/NICA is a modular cylindrical system consisting of 50 half-sectors and containing 38 400 towers of the “shashlik” type. The main task of ECal is to measure the energies and positions of the hits of photons and electrons. To do this, it is necessary to align the tower responses and energy calibration. Preliminary alignment can be obtained using cosmic muons that cross the volume of the electromagnetic calorimeter. In this paper, we discuss an algorithm for reconstructing muon tracks based on the iterative Hough transform and an algorithm for correcting tracks based on the dependence of the released energy on the path length in the tower using the maximum likelihood method.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Reconstruction of Cosmic Muon Tracks Inside the Half-Sector of the ECal MPD/NICA Electromagnetic Calorimeter to Align the Tower Responses

  • 期刊论文

  • 发表日期：

    2025年10月3日

查看全文
  • V. M. Baryshnikov,
  • R. Adhikary,
  • M. Bhattacharjee,
  • V. M. Golovatyuk,
  • A. Y. Dubrovin,
  • A. I. Kostylev,
  • Yu. F. Krechetov,
  • V. V. Kulikov,
  • M. A. Martemyanov,
  • M. A. Matsyuk,
  • S. P. Lobastov,
  • I. A. Tyapkin

摘要

Abstract

The electromagnetic calorimeter (ECal) of the multipurpose detector (MPD)/NICA is a modular cylindrical system consisting of 50 half-sectors and containing 38 400 towers of the “shashlik” type. The main task of ECal is to measure the energies and positions of the hits of photons and electrons. To do this, it is necessary to align the tower responses and energy calibration. Preliminary alignment can be obtained using cosmic muons that cross the volume of the electromagnetic calorimeter. In this paper, we discuss an algorithm for reconstructing muon tracks based on the iterative Hough transform and an algorithm for correcting tracks based on the dependence of the released energy on the path length in the tower using the maximum likelihood method.