Event reconstruction in the PHENIX central arm spectrometers

J. T. Mitchell, Y. Akiba, L. Aphecetche, R. Averbeck, T. C. Awes, V. Baublis, A. Bazilevsky, M. J. Bennett, H. Buesching, J. Burward-Hoy, S. Butsyk, M. Chiu, T. Christ, T. Chujo, P. Constantin, G. David, A. Denisov, A. Drees, A. G. Hansen, T. K. HemmickJ. Jia, S. C. Johnson, E. Kistenev, A. Kiyomichi, T. Kohama, J. G. Lajoie, J. Lauret, A. Lebedev, C. F. Maguire, F. Messer, P. Nilsson, H. Ohnishi, J. Park, M. Rosati, A. A. Rose, S. S. Ryu, A. Sakaguchi, S. Sato, K. Shigaki, D. Silvermyr, T. Sugitate, J. P. Sullivan, M. Suzuki, H. Tydesjö, H. W. Van Hecke, J. Velkovska, M. A. Volkov, S. White, W. Xie

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

The central arm spectrometers for the PHENIX experiment at the Relativistic Heavy Ion Collider have been designed for the optimization of particle identification in relativistic heavy ion collisions. The spectrometers present a challenging environment for event reconstruction due to a very high track multiplicity in a complicated, focusing, magnetic field. In order to meet this challenge, nine distinct detector types are integrated for charged particle tracking, momentum reconstruction, and particle identification. The techniques which have been developed for the task of event reconstruction are described.

Original languageEnglish
Pages (from-to)491-512
Number of pages22
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume482
Issue number1-3
DOIs
StatePublished - Apr 11 2002
Externally publishedYes

Funding

We thank the staff of the RHIC project, Collider-Accelerator, and Physics Departments at BNL and the staff of PHENIX participating institutions for their vital contributions. We acknowledge support from the Department of Energy and NSF (USA), Monbu-sho and STA (Japan), RAS, RMAE, and RMS (Russia), BMBF and DAAD (Germany), FRN, NFR, and the Wallenberg Foundation (Sweden), MIST and NSERC (Canada), CNPq and FAPESP (Brazil), IN2P3/CNRS (France), DAE (India), KRF and KOSEF (Korea), and the US–Israel Binational Science Foundation.

Keywords

  • Heavy ions
  • Pattern recognition
  • Spectrometers

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