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We study the possibility to use the Cherenkov light for the efficient detection of 511 keV photons with the goal to use it in TOF-PET. We designed and tested two detection modules consisting of PbF$_2$ crystals attached to Planacon MCP-PMT…

Instrumentation and Detectors · Physics 2020-03-24 C. Canot , M. Alokhina , P. Abbon , J. P. Bard , D. Breton , E. Delagnes , J. Maalmi , G. Tauzin , D. Yvon , V. Sharyy

Measurement of the Time-of-Flight (TOF) of the 511 keV gammas brings an important reduction of statistical noise in the PET image, with higher precision time measurements producing clearer images. Scintillating crystals are used to convert…

Instrumentation and Detectors · Physics 2019-12-03 K. Doroud , Z. Liu , M. C. S. Williams

In this study an array of eight 6 mm x 6 mm area SiPMs was coupled to the end of a long plastic scintillator counter which was exposed to a 2.5 GeV/c muon beam at the CERN PS. Timing characteristics of bars with dimensions 150 cm x 6 cm x 1…

Instrumentation and Detectors · Physics 2017-12-19 C. Betancourt , A. Blondel , R. Brundler , A. Datwyler , Y. Favre , D. Gascon , S. Gomez , A. Korzenev , P. Mermod , E. Noah , N. Serra , D. Sgalaberna , B. Storaci

In the context of particle therapy monitoring, we are developing a gamma-ray detector to determine the ion range in vivo from the measurement of particle time-of-flight. For this application, a beam monitor capable to tag in time the…

We present results for time resolution studies performed on three different scintillating plastics and two silicon photo-multipliers. These studies are intended to determine whether scintillating plastic/silicon photo-multiplier systems can…

Time of Flight Positron Emission Tomography scanner based on plastic scintillators is being developed at the Jagiellonian University by the J-PET collaboration. The main challenge of the conducted research lies in the elaboration of a…

Scintillating homogeneous detectors represent the state of the art in electromagnetic calorimetry. Moreover, the currently neglected crystalline nature of the most common inorganic scintillators can be exploited to achieve an outstanding…

Multichip modules (MCM) with 4 single photon counting MPEC 2.3 chips bump bonded to 1.3 cm x 1.3 cm large CdTe and Si semiconductor sensors as well as to single chip pixel detectors have been successfully built and operated. The MPEC 2.3…

Imaging hadronic calorimeters with scintillator readout use small scintillator tiles individually read out by silicon photomultipliers to achieve the necessary granularity needed for sophisticated reconstruction algorithms at future…

Instrumentation and Detectors · Physics 2019-08-13 Frank Simon

LaBr3:Ce crystals, with photomultiplier or single SiPM readout (up to 3x3 mm$^2$) have been introduced for radiation imaging in medical physics. An R&D was pursued with 1/2" and 1" LaBr3:Ce crystals, from different producers, to realize…

Instrumentation and Detectors · Physics 2022-02-18 M. Bonesini , R. Bertoni , R. Benocci , M. Clemenza , R. Mazza , A. deBari , A. Menegolli , M. Prata , M. Rossella

Jinping Neutrino Experiment plans to deploy a new type of 8-inch MCP-PMT with high photon detection efficiency for MeV-scale neutrino measurements. This work studies the performance of the MCP-PMTs, including the photon detection…

High Energy Physics - Experiment · Physics 2023-07-17 Aiqiang Zhang , Benda Xu , Jun Weng , Huiyou Chen , Wenhui Shao , Tong Xu , Ling Ren , Sen Qian , Zhe Wang , Shaomin Chen

High-granularity homogeneous electromagnetic calorimeters based on scintillating crystals and silicon photomultipliers (SiPMs) are a promising option for future $e^{+}e^{-}$ Higgs factories, where both excellent energy resolution and a very…

Instrumentation and Detectors · Physics 2026-03-10 Zhiyu Zhao , Dejing Du , Shu Li , Yong Liu , Baohua Qi , Jack Rolph , Haijun Yang

We have recently introduced the idea of making use of three-photon positron annihilations in positron emission tomography. In this paper the basic characteristics of the three-gamma imaging in PET are studied by means of Monte Carlo…

Medical Physics · Physics 2009-11-11 Krzysztof Kacperski , Nicholas M. Spyrou

A novel gaseous two-dimensional imaging detector "Micro Pixel Chamber (micro-PIC)" has been developed. This detector is based on double sided printed circuit board (PCB). We have developed large area (10cm x 10cm) micro-PICs with 65536…

High Energy Physics - Experiment · Physics 2015-06-25 T. Nagayoshi , H. Kubo , K. Miuchi , A. Ochi , R. Orito , A. Takada , T. Tanimori , M. Ueno

A plastic scintillator bar with dimensions 300 cm x 2.5 cm x 11 cm was exposed to a focused muon beam to study its light yield and timing characteristics as a function of position and angle of incidence. The scintillating light was read out…

Instrumentation and Detectors · Physics 2017-08-07 A. Blondel , D. Breton , A. Dubreuil , A. Khotyantsev , A. Korzenev , J. Maalmi , A. Mefodev , P. Mermod , E. Noah

Micro-channel plate (MCP)-based photodetectors are capable of picosecond level time resolution and sub-mm level position resolution, which makes them a perfect candidate for the next generation large area photodetectors. The large-area…

Instrumentation and Detectors · Physics 2016-04-27 Jingbo Wang , Karen Byrum , Marcel Demarteau , Jeffrey Elam , Anil Mane , Edward May , Robert Wagner , Dean Walters , Junqi Xie , Lei Xia , Huyue Zhao

We report on the development of a large-volume, wide field-of-view time projection chamber (TPC) for X-ray polarimetry, featuring a triple-GEM amplification stage and optical readout. Originally developed within the CYGNO program for…

We report on the energy, timing, and pulse-shape discrimination performance of cylindrical 5 cm diameter x 5 cm thick and 7 cm diameter x 7 cm thick {\it trans}-stilbene crystals read out with the passively summed output of three different…

Instrumentation and Detectors · Physics 2020-01-08 Melinda Sweany , Peter Marleau , Chris Allwork , Gene Kallenbach , Steven Hammon

A combination of scintillator, wavelength shifting (WLS) fiber, and silicon photomultiplier (SiPM) shows an excellent performance in the `$K_{L}$ and $\mu$ detector (KLM)' of the Belle II experiment. In this study, we present the R&D…

Instrumentation and Detectors · Physics 2024-05-22 Hongyu Zhang , Xiyang Wang , Weihu Ma , Shiming Zou , Deqing Fang , Wanbing He , Xiaolong Wang , Zhen Wang , Rui Yuan , Qibin Zheng
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