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We have developed a position-sensitive scintillation camera with a large area absorber for use as an advanced Compton gamma-ray camera. At first we tested GSO(Ce) crystals. We compared light output from the GSO(Ce) crystals under various…

天体物理学 · 物理学 2008-11-26 H. Nishimura , K. Hattori , H. Kubo , T. Tanimori

The H12700 is a novel 64-channel 52 $\times$ 52 mm$^2$ square Multi-Anode PhotoMultiplier Tube (MaPMT) produced by Hamamatsu. Its characteristics make this device suitable for high energy physics applications, such as in Ring Imaging…

The main challenges posed by the design of future Positron Emission Tomography machines are the improvement of the spatial and timing resolution and the combined operation with magnetic resonance. The Micro Pixel Photon Counter by Hamamatsu…

医学物理 · 物理学 2008-05-06 N. D'Ascenzo , E. Garutti , M. Goettlich , H. C. Schultz-Coulon , A. Tadday

Localised response of a sensitive light detector, such as Hamamatsu H9500 multi anode photomultiplier tube (MAPMT), is of vital importance for coded-aperture imaging systems. When coupled with a suitable sensitive detector (e.g. EJ-299-34…

仪器与探测器 · 物理学 2018-06-22 Michal J. Cieslak , Kelum A. A. Gamage

This note describes a prototype particle tracking detector constructed with 1 mm plastic scintillating fibres with a 64 channel Hamamatsu H8500 flat-panel multi-anode photomultiplier readout. Cosmic ray tracks from an array of 11 gas-filled…

仪器与探测器 · 物理学 2011-07-06 B. D. Leverington , M. Anelli , P. Campana , R. Rosellini

In the hard X rays domain, the phase shift of the wave passing through the soft materials like tissues is typically three orders of magnitude larger than the absorption. Therefore the phase-sensitive X-ray imaging methods can obtain…

仪器与探测器 · 物理学 2018-06-12 Lian Chen , Rongqi Sun , Ge Jin

The Large High Altitude Air Shower Observatory (LHAASO) project has been proposed for the survey and study of cosmic rays. In the LHAASO project, the Water Cherenkov Detector Array (WCDA) is one of major detectors for searching gamma ray…

仪器与探测器 · 物理学 2016-01-20 Weihao Wu , Lei Zhao , Yu Liang , Li Yu , Jianfeng Liu , Shubin Liu , Qi An

We present results of the detailed study of several hundred Hamamatsu H12700 Multianode Photomultiplier Tubes (MaPMTs), characterizing their response to the Cherenkov light photons in the second Ring Imaging Cherenkov detector, a part of…

仪器与探测器 · 物理学 2022-10-19 Pavel Degtiarenko , Andrey Kim , Valery Kubarovsky , Ben Raydo , Andrew Smith , Fatiha Benmokhtar

GRANDProto35 is the first stage of the GRAND project. It will be composed of an array of 35 radio antennas and 24 scintillation detectors, the radio and scintillating subarrays being triggered independently. The scintillation detector array…

仪器与探测器 · 物理学 2021-05-26 Xu Wang , Xiangli Qian , Yanhong Yu , Cunfeng Feng , Olivier Martineau-Huynh , Yi Zhang , Quanbu Gou , Wei Liu , Youliang Feng

Plastic scintillator detectors have been extensively used in particle physics experiments for decades. A large-scale detector is typically arranged as an array of staggered long bars which provide a fast trigger signal and/or particle…

The detector of TRopIcal DEep-sea Neutrino Telescope (TRIDENT) will use large-area silicon photomultiplier (SiPM) arrays combined with photomultiplier tubes to boost photon detection efficiency and pointing capability. An…

仪器与探测器 · 物理学 2025-02-06 M. X. Wang , Y. Liu , Y. Q. Tan , J. N. Tang , W. H. Wu , D. L. Xu , W. Zhi , Z. Z. Zhou

The Large High Altitude Air Shower Observatory (LHAASO) is designed for high energy gamma ray and cosmic ray detection. A Water Cherenkov Detector Array which is sensitive to gamma ray showers above a few hundred GeV is proposed to survey…

仪器与探测器 · 物理学 2016-03-14 Jianfeng Liu , Lei Zhao , Li Yu , Yu Liang , Jiajun Qin , Yunfang Yang , Weihao Wu , Shubin Liu , Qi An

Semi monolithic detector designs with a series of stacked thin monolithic scintillator plates and side readout are an attractive approach for potentially achieving very high performance in a positron emission tomography (PET) scanner. In…

仪器与探测器 · 物理学 2025-02-12 Shiv K. Subedi , Simon R. Cherry , Yi Qiang , Peng Peng

Most detector systems used for positron emission particle tracking (PEPT) are very expensive due to the use of inorganic plastic scintillators combined with a high number of readout electronic channels. This work aims to reduce the overall…

The calorimeter, range detector and active target elements of the T2K near detectors rely on the Hamamatsu Photonics Multi-Pixel Photon Counters (MPPCs) to detect scintillation light produced by charged particles. Detailed measurements of…

In this study, we evaluate and compare the pulse shape discrimination (PSD) performance of multipixel photon counters (MPPCs, also known as silicon photomultiphers - SiPMs) with that of a typical photomultiplier tube (PMT) when testing…

仪器与探测器 · 物理学 2021-01-06 Nguyen V. H. Viet , M. Nomachi , K. Takahisa , T. Shima , B. T. Khai , R. Takaishi , K. Miyamoto

Aiming to measure the difference in arrival times of two coincident gamma-photons with an accuracy in the order of 200 ps, time-of-flight positron emission tomography systems commonly employ silicon photomultipliers (SiPMs) and…

医学物理 · 物理学 2021-02-11 Vanessa Nadig , David Schug , Bjoern Weissler , Volkmar Schulz

In the context of the studies of the ATLAS High Luminosity LHC programme, radiation tolerant pixel detectors in CMOS technologies are investigated. To evaluate the effects of substrate resistivity on CMOS sensor performance, the H35DEMO…

Photomultiplier tubes (PMTs) are traditionally an integral part of large underground experiments as they measure the light emission from particle interactions within the enclosed detection media. The BUTTON experiment will utilise around…

Silicon detectors based on the HV-CMOS technology are being investigated as possible candidate for the outer layers of the ATLAS pixel detector for the High Luminosity LHC. In this framework the H35Demo ASIC has been produced in the 350 nm…

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