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Technical design report for the $\overline{{\rm{P}}}\mathrm{ANDA}$ Barrel DIRC detector
- Source :
- Journal of physics / G G, Nuclear and particle physics 46(4), 045001-(2019). doi:10.1088/1361-6471/aade3d
- Publication Year :
- 2019
- Publisher :
- IOP Publ., 2019.
-
Abstract
- The $\overline{{\rm{P}}}\mathrm{ANDA}$ (anti-Proton ANnihiliation at DArmstadt) experiment will be one of the four flagship experiments at the new international accelerator complex FAIR (Facility for Antiproton and Ion Research) in Darmstadt, Germany. $\overline{{\rm{P}}}\mathrm{ANDA}$ will address fundamental questions of hadron physics and quantum chromodynamics using high-intensity cooled antiproton beams with momenta between 1.5 and 15 GeV/c and a design luminosity of up to 2 × 1032 cm−2 s−1. Excellent particle identification (PID) is crucial to the success of the $\overline{{\rm{P}}}\mathrm{ANDA}$ physics program. Hadronic PID in the barrel region of the target spectrometer will be performed by a fast and compact Cherenkov counter using the detection of internally reflected Cherenkov light (DIRC) technology. It is designed to cover the polar angle range from 22° to 140° and will provide at least 3 standard deviations (s.d.) π/K separation up to 3.5 GeV/c, matching the expected upper limit of the final state kaon momentum distribution from simulation. This documents describes the technical design and the expected performance of the $\overline{{\rm{P}}}\mathrm{ANDA}$ Barrel DIRC detector. The design is based on the successful BaBar DIRC with several key improvements. The performance and system cost were optimized in detailed detector simulations and validated with full system prototypes using particle beams at GSI and CERN. The final design meets or exceeds the PID goal of clean π/K separation with at least 3 s.d. over the entire phase space of charged kaons in the Barrel DIRC.
- Subjects :
- Physics
Nuclear and High Energy Physics
Range (particle radiation)
Large Hadron Collider
Physics::Instrumentation and Detectors
010308 nuclear & particles physics
Hadron
Detector
Barrel (horology)
7. Clean energy
01 natural sciences
Ring-imaging Cherenkov detector
Particle identification
Charged particle
Nuclear physics
0103 physical sciences
High Energy Physics::Experiment
ddc:530
010306 general physics
Nuclear Experiment
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Journal of physics / G G, Nuclear and particle physics 46(4), 045001-(2019). doi:10.1088/1361-6471/aade3d
- Accession number :
- edsair.doi.dedup.....294ef112cc459084350a88cb9dfab644