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Detection of $\gamma$-ray polarization in Positron Emission Tomography (PET) is as yet an unexploited feature that could be used as an additional handle to improve signal-to-background ratio in this imaging modality. The $\gamma$…

Instrumentation and Detectors · Physics 2022-08-17 Siddharth Parashari , Mihael Makek , Tomislav Bokulić , Damir Bosnar , Ana Marija Kožuljević , Zdenka Kuncic , Petar Žugec

Time-Over-Threshold (TOT) technique is being used widely due to its implications in developing the multi channel readouts mainly when fast signal processing is required. Using TOT technique as a measure of energy loss instead of charge…

In the present ongoing study, we are proposing a prototype model for positron emission tomography detection technology by introduction of a new discriminatory window parameter. It can be a new generation PET detection technique. We…

Instrumentation and Detectors · Physics 2018-12-18 Sunil Kumar , Sushil Singh Chauhan , Vipin Bhatnagar

We propose a new type segmented antineutrino detector made of plastic scintillators for the nuclear safeguard application. A small prototype was built and tested to measure background events. A satisfactory unmanned field operation of the…

Instrumentation and Detectors · Physics 2012-09-24 Yasuhiro Kuroda , Shugo Oguri , Yo Kato , Ryoko Nakata , Yoshizumi Inoue , Chikara Ito , Makoto Minowa

In living organisms the positron-electron annihilation (occurring during the PET imaging) proceeds in about 30% via creation of a metastable ortho-positronium atom. In the tissue, due to the pick-off and conversion processes, over 98% of…

Photomultiplier tubes (PMTs) are widely used in neutrino and other experiments for the detection of weak light. To date PMTs are the most sensitive single photon detector per unit area. In addition to the quantum efficiency for photon…

Instrumentation and Detectors · Physics 2019-09-23 Liang-Jian Wen , Miao He , Yi-Fang Wang , Jun Cao , Shu-Lin Liu , Yue-Kun Heng , Zhong-Hua Qin

In this paper we estimate the time resolution of the J-PET scanner built from plastic scintillators. We incorporate the method of signal processing using the Tikhonov regularization framework and the Kernel Density Estimation method. We…

A detector using liquid Xenon (LXe) in the scintillation mode is studied for Positron Emission Tomography (PET) of small animals. Its specific design aims at taking full advantage of the Liquid Xenon scintillation properties. This paper…

Recent advances in photon detectors have resulted in high-density imaging arrays that offer many performance and cost advantages. In particular, the excellent transit time spread of certain devices show promise to provide tangible benefits…

Instrumentation and Detectors · Physics 2009-04-17 Gary S. Varner , Larry L. Ruckman

Plastic scintillators (PSs)embedded with wavelength-shifting fibers are widely used in high-energy particle physics, such as in muon taggers,as well as in medical physics and other applications. In this study,a simulation package was built…

Instrumentation and Detectors · Physics 2023-07-21 Guang Luo , Y. K. Hor , Peizhi Lu , Zhimin Wang , Ruhui Li , Min Li , Yichen Li , Liang Zhan , Wei Wang , Yuehuan Wei , Yu Chen , Xiang Xiao , Fengpeng An

The next generation of very-short-baseline reactor experiments will require compact detectors operating at surface level and close to a nuclear reactor. This paper presents a new detector concept based on a composite solid scintillator…

Pulse shape discrimination in liquid scintillator detectors is a well-established technique for the discrimination of heavy particles from light particles. Nonetheless, it is not efficient in the separation of electrons and positrons, as…

Instrumentation and Detectors · Physics 2015-06-16 S. Perasso , G. Consolati , D. Franco , S. Hans , C. Jollet , A. Meregaglia , A. Tonazzo , M. Yeh

A novel PET detector consisting of strips of polymer scintillators is being developed by the J-PET Collaboration. The map of efficiency and the map of geometrical acceptance of the 2-strip J-PET scanner are presented. Map of efficiency was…

Purpose: To demonstrate a proton imaging system based on well-established fast scintillator technology to achieve high performance with low cost and complexity, with the potential of a straightforward translation into clinical use. Methods:…

The JUNO experiment requires an excellent energy resolution of 3\% at 1 MeV. To achieve this objective, a total of 20,012 20-inch photomultiplier tubes (PMTs) will be deployed for JUNO, comprising 15,012 multi-channel plate (MCP) PMTs and…

Compact neutron imagers using double-scatter kinematic reconstruction are being designed for localization and characterization of special nuclear material. These neutron imaging systems rely on scintillators with a rapid prompt temporal…

Instrumentation and Detectors · Physics 2020-09-16 T. A. Laplace , B. L. Goldblum , J. A. Brown , D. L. Bleuel , C. A. Brand , G. Gabella , T. Jordan , C. Moore , N. Munshi , Z. W. Sweger , A. Ureche , E. Brubaker

The non-linear energy response of the plastic scintillator EJ-260 is measured with the MicroCHANDLER detector, using neutron beams of energy 5 to 27 MeV at the Triangle Universities Nuclear Laboratory. The first and second order Birks'…

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

The JSNS$^{2}$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) experiment aims to search for neutrino oscillations over a 24\,m short baseline at J-PARC. The JSNS$^{2}$ inner detector is filled with 17 tons of…