Design, Construction, Operation and Performance of a Hadron Blind Detector for the PHENIX Experiment
W. Anderson, B. Azmoun, A. Cherlin, C.Y. Chi, Z. Citron, M. Connors,, A. Dubey, J.M. Durham, Z. Fraenkel, T. Hemmick, J. Kamin, A. Kozlov, B., Lewis, M. Makek, A. Milov, M. Naglis, V. Pantuev, R. Pisani, M. Proissl, I., Ravinovich, S. Rolnick, T. Sakaguchi, D. Sharma, S. Stoll
TL;DR
This paper details the design, construction, and successful operation of a Hadron Blind Detector (HBD) for the PHENIX experiment at RHIC, highlighting its innovative features and performance in high-energy physics experiments.
Contribution
It introduces a novel Cherenkov detector with a triple GEM stack and CsI photocathode, demonstrating its effective operation within the PHENIX detector.
Findings
Successful in-beam operation of the HBD
Effective detection of Cherenkov radiation with CF4
Enhanced particle identification capabilities
Abstract
A Hadron Blind Detector (HBD) has been developed, constructed and successfully operated within the PHENIX detector at RHIC. The HBD is a Cherenkov detector operated with pure CF4. It has a 50 cm long radiator directly coupled in a window- less configuration to a readout element consisting of a triple GEM stack, with a CsI photocathode evaporated on the top surface of the top GEM and pad readout at the bottom of the stack. This paper gives a comprehensive account of the construction, operation and in-beam performance of the detector.
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