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The CLEO detector has been upgraded to include a state of the art particle identification system, based on the Ring Imaging Cherenkov Detector (RICH) technology, in order to take data at the upgraded CESR electron positron collider. The…

We present the final results from a novel Cherenkov imaging detector called the Focusing DIRC (FDIRC). This detector was designed as a full-scale prototype of the particle identification system for the SuperB experiment [1], and comprises…

仪器与探测器 · 物理学 2015-12-09 B. Dey , M. Borsato , N. Arnaud , D. W. G. S. Leith , K. Nishimura , D. A. Roberts , B. N. Ratcliff , G. Varner , J. Va'vra

The properties of UV-photon imaging detectors consisting of CsI-coated THGEM electron multipliers are summarized. New results related to detection of Cherenkov light (RICH) and scintillation photons in noble liquid are presented.

The Ring-Imaging Cherenkov (RICH) detectors at LHCb have an intrinsic time resolution of better than 10 ps owing to the prompt Cherenkov radiation and focusing mirrors optics. While only spatial information has been used in the experiment…

仪器与探测器 · 物理学 2022-12-21 Floris Keizer

TORCH is a time-of-flight detector designed to perform particle identification over the momentum range 2$-$10 GeV/c for a 10 m flight path. The detector exploits prompt Cherenkov light produced by charged particles traversing a quartz plate…

An algorithm for identifying rings in Ring Imaging Cherenkov (RICH) detectors is described. The algorithm is necessarily Bayesian and makes use of a Metropolis-Hastings Markov chain Monte Carlo sampler to locate the rings. In particular,…

仪器与探测器 · 物理学 2007-05-23 Christopher Gorham Lester

The DIRC is a new type of Cherenkov imaging device that will be used for the first time in the BABAR detector at the asymmetric B-factory, PEP-II. It is based on total internal reflection and uses long, rectangular bars made from synthetic…

高能物理 - 实验 · 物理学 2015-06-25 DIRC Collaboration

Improving the coincidence time resolution (CTR) of time-of-flight positron emission tomography (TOF-PET) systems to achieve a higher signal-to-noise ratio (SNR) gain or even direct positron emission imaging (dPEI) is of paramount importance…

The DIRC (Detection of Internally Reflected Cerenkov light) is a new type of ring imaging Cerenkov detector, which detects images from Cerenkov light produced in precisely machined quartz bars. The Cerenkov images are transported along…

高能物理 - 实验 · 物理学 2007-05-23 C. Lu , D. Marlow , C. Mindas , E. Prebys

In the framework of the development of the SWGO experiment we have performed a detailed study of the single unit of an extensive air shower observatory based on an array of water Cherenkov detectors. Indeed, one of the possible water…

天体物理仪器与方法 · 物理学 2022-05-05 Francesca Bisconti , Andrea Chiavassa

A prototype detector is being developed which combines the functions of a Time Projection Chamber for charged particle tracking and a Cherenkov detector for particle identification. The TPC consists of a 10x10x10 cm3 drift volume where the…

仪器与探测器 · 物理学 2015-12-18 Craig Woody , Babak Azmoun , Richard Majka , Michael Phipps , Martin Purschke , Nikolai Smirnov

Super tau-Charm facility(STCF) is a future electron-position collider operating at tau-Charm energy region aimed to study hadron structure and spectroscopy. The baseline design of the STCF barrel particle identification(PID) detector in the…

仪器与探测器 · 物理学 2023-05-03 Ping Li , Qian Liu , Jianbei Liu , Ming Shao , Zhiyong Zhang , Jianxin Feng , Anqi Wang , Baolin Hou , Lei Zhao , Hongbang Liu

The key parameters of Cherenkov Correlated Timing (CCT) detectors are discussed. Measurements of radiator geometry, optical properties of radiator and coupling materials, and photon detector timing performance are presented.

The AMS detector, to be installed on the International Space Station, includes a Ring Imaging Cerenkov detector with two different radiators, silica aerogel (n=1.05) and sodium fluoride (n=1.334). This detector is designed to provide very…

A proximity focusing Cherenkov imager called CHERCAM, has been built for the charge measurement of nuclear cosmic rays with the CREAM instrument. It consists of a silica aerogel radiator plane across from a detector plane equipped with…

In this contribution the Super-Cerenkov radiation (SCR) as a new phenomenon which includes in a more general and exact form the usual Cerenkov effect is presented. The Super-Cerenkov effect at Cerenkov threshold in the radiators of RICH…

高能物理 - 唯象学 · 物理学 2011-07-19 D. B. Ion , M. L. Ion

The photon detection efficiency of two sets of R10560-100-20 superbialkali photomultiplier tubes from Hamamatsu were measured between 200 nm and 750 nm to quantify a possible degradation of the photocathode sensitivity after four years of…

天体物理仪器与方法 · 物理学 2016-12-21 Eliza Gazda , Thanh Nguyen , Nepomuk Otte , Gregory Richards

The TORCH time-of-flight detector is designed to provide a 15 ps timing resolution for charged particles, resulting in $\pi$/$K$ particle identification up to 10 GeV/c momentum over a 10 m flight path. Cherenkov photons, produced in a…

A Cherenkov detector based on an array of five lead fluoride ($\beta$-PbF$_2$) crystals of size 30 mm$\times$30 mm$\times$160 mm read out by reverse-type avalanche photodiodes (APD's) of active area 10 mm$\times$10 mm was used to measure…

仪器与探测器 · 物理学 2019-11-07 Y. Murakami , H. Aghai-Khozani , M. Hori

The DIRC is a new type of Cherenkov detector that is successfully operating as the hadronic particle identification system for the BABAR experiment at SLAC. The fused silica bars that serve as the DIRC's Cherenkov radiators must transmit…

高能物理 - 实验 · 物理学 2015-06-25 M. Convery , B. Ratcliff , X. Sarazin , J. Schwiening , J. Va'vra