Abstract
A Hadron Blind Detector (HBD) has been constructed as part of the detector upgrade program for the PHENIX experiment at RHIC. The HBD is a proximity focused windowless Cherenkov detector operated with pure CF4 that will be used to detect single and double electrons in relativistic heavy ion collisions and provide additional rejection power against Dalitz pairs and photon conversions. The detector consists of a 50 cm long radiator directly coupled to a set of triple GEM detectors equipped with CsI photocathodes to detect UY photons produced by electrons emitting Cherenkov light. A full scale prototype of the HBD was built and tested in order to study its performance under beam conditions. Tests with the prototype demonstrated good separation between electrons and hadrons using pulse height discrimination and cluster size. The final detector has now been constructed and installed in PHENIX and is presently undergoing commissioning in preparation for its first round of data taking during the next heavy ion run at RHIC. Results of the beam test of the prototype, as well as on the construction and initial testing of the final detector, are presented in this paper.
| Original language | English |
|---|---|
| Title of host publication | 2006 IEEE Nuclear Science Symposium - Conference Record |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 1557-1561 |
| Number of pages | 5 |
| ISBN (Print) | 1424405610, 9781424405619 |
| DOIs | |
| State | Published - 2006 |
| Event | 2006 IEEE Nuclear Science Symposium, Medical Imaging Conference and 15th International Workshop on Room-Temperature Semiconductor X- and Gamma-Ray Detectors, Special Focus Workshops, NSS/MIC/RTSD - San Diego, CA, United States Duration: Oct 29 2006 → Nov 4 2006 |
Publication series
| Name | IEEE Nuclear Science Symposium Conference Record |
|---|---|
| Volume | 3 |
| ISSN (Print) | 1095-7863 |
Conference
| Conference | 2006 IEEE Nuclear Science Symposium, Medical Imaging Conference and 15th International Workshop on Room-Temperature Semiconductor X- and Gamma-Ray Detectors, Special Focus Workshops, NSS/MIC/RTSD |
|---|---|
| Country/Territory | United States |
| City | San Diego, CA |
| Period | 10/29/06 → 11/4/06 |
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