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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
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Abstract

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 50ps, 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.

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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. 1998-02-12. A Start-Timing Detector for the Collider Experiment PHENIX at RHIC-BNL. https://doi.org/10.1016/s0168-9002(98)00307-6

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