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Title: Test of the CLAS12 RICH large-scale prototype in the direct proximity focusing configuration

Journal Article · · European Physical Journal. A
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  1. INFN Lab. Nazionali di Frascati, Frascati (Italy)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
  3. INFN Sezione di Ferrara, Ferrara (Italy)
  4. Duquesne Univ., Pittsburgh, PA (United States)
  5. Univ. Tecnica Federico Santa Maria, Valparaiso (Chile)
  6. INFN Sezione di Roma, gruppo Sanita and Istituto Superiore di Sanita, Rome (Italy)
  7. Univ. of Glasgow, Glasgow (Scotland)
  8. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
  9. INFN Sezione di Bari, Bari (Italy)
  10. INFN Lab. Nazionali di Frascati, Frascati (Italy); Univ. of Glasgow, Glasgow (Scotland)
  11. INFN Sezione Genova, Genova (Italy)
  12. INFN Lab. Nazionali di Frascati, Frascati (Italy); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
  13. INFN Sezione di Ferrara, Ferrara (Italy); Univ. Tecnica Federico Santa Maria, Valparaiso (Chile)
+ Show Author Affiliations

A large area ring-imaging Cherenkov detector has been designed to provide clean hadron identification capability in the momentum range from 3 GeV/c up to 8 GeV/c for the CLAS12 experiments at the upgraded 12 GeV continuous electron beam accelerator facility of Jefferson Laboratory. The adopted solution foresees a novel hybrid optics design based on aerogel radiator, composite mirrors and high-packed and high-segmented photon detectors. Cherenkov light will either be imaged directly (forward tracks) or after two mirror reflections (large angle tracks). We report here the results of the tests of a large scale prototype of the RICH detector performed with the hadron beam of the CERN T9 experimental hall for the direct detection configuration. As a result, the tests demonstrated that the proposed design provides the required pion-to-kaon rejection factor of 1:500 in the whole momentum range.

Research Organization:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
OSTI ID:
1245405
Report Number(s):
JLAB-PHY-16-2238; DOE/OR/23177-3786; arXiv:1509.02818; PII: 390
Journal Information:
European Physical Journal. A, Vol. 52, Issue 2; ISSN 1434-6001
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

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Cited By (2)

CLAS12 RICH: New Hybrid Geometry for Strangeness Studies journal July 2018
CLAS12 RICH: New Hybrid Geometry for Strangeness Studies text January 2018

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43 PARTICLE ACCELERATORS