A start-timing detector for the collider experiment PHENIX at RHIC-BNL

K. Ikematsu, Y. Iwata, K. Kaimi, M. Kaneta, T. Kohama, N. Maeda, K. Matsukado, H. Ohnishi, K. Ono, A. Sakaguchi, T. Sugitate, Y. Sumi, Y. Takata, M. Tanabe, A. Yokoro

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)


We describe a start-timing detector for the PHENIX experiment at the relativistic heavy-ion collider RHIC. The role of the detector is to detect a nuclear collision, provide precise time information with an accuracy of 50 ps, and determine the collision point along the beam direction with a resolution of a few cm. Technical challenges are that the detector must be operational in a wide particle-multiplicity range in a high radiation environment and a strong magnetic field. We present the performance of the prototype and discuss the final design of the detector,

Original languageEnglish
Pages (from-to)238-248
Number of pages11
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number2-3
Publication statusPublished - 1998
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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