A Start-Timing Detector for the Collider Experiment PHENIX at RHIC-BNL

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.

12 pages, LaTeX, 9 gif and 4 ps figures. Submitted to NIM A

Cited by in corpus (10)

• Centrality Dependence of Charged Particle Multiplicity in Au-Au Collisions at sqrt(s_NN)=130 GeV
• Spectra and ratios of identified particles in Au+Au and d+Au collisions at sqrt(s_NN)=200 GeV
• The TOFp/pVPD Time of Flight System for STAR
• Event-by-event fluctuations in Mean $p_T$ and Mean $e_T$ in sqrt(s_NN) = 130 GeV Au+Au Collisions
• Measurements of multiparticle correlations in $d$$+$Au collisions at 200, 62.4, 39, and 19.6 GeV and $p$$+$Au collisions at 200 GeV and implications for collective behavior
• Event Reconstruction in the PHENIX Central Arm Spectrometers
• Event anisotropy of identified ${\pi }^0$, photon and electron compared to charged $\pi$, $K$, $p$ and deuteron in $\sqrt{s_{NN}}$ = 200 GeV Au+Au at PHENIX
• Nonperturbative transverse momentum broadening in dihadron angular correlations in $\sqrt{s_{NN}}=200$ GeV proton-nucleus collisions
• Measurement of the transverse energy density in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV with the sPHENIX detector
• PHENIX and the Reaction Plane: Recent Results