中文
相关论文

相关论文: Optimization of a multipoint plastic scintillator …

200 篇论文

This study introduces a novel hybrid Cerenkov-scintillation dosimeter which is intended to be used for irradiation angle measurements based on the Cerenkov angular dependency. First measurements aimed at validating the ability to account…

医学物理 · 物理学 2022-01-27 Emilie Jean , Simon Lambert-Girard , Francois Therriault-Proulx , Luc Beaulieu

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

Inverse planning algorithms for dwell time optimisation in interstitial high-dose-rate (HDR) brachytherapy may produce solutions with large dwell time variations within catheters, which may result in undesirable selective high-dose…

医学物理 · 物理学 2016-03-14 Marleen Balvert , Bram Gorissen , Dick den Hertog , Aswin Hoffmann

This paper presents a newly developed plastic scintillator produced in collaboration with Turkiye Energy, Nuclear and Mineral Research Agency (TENMAK). The scintillator is manufactured using thermal polymerization of commercially available…

For future MeV-scale neutrino experiments, a Cherenkov scintillation detector, CSD, is of particular interest for its capability to reconstruct both energy and direction for charged particles. A type of new target material, slow liquid…

仪器与探测器 · 物理学 2023-02-21 Wentai Luo , Qian Liu , Yangheng Zheng , Zhe Wang , Shaomin Chen

The Integrating Miniature Piggyback for Impulsive Solar Hard X-rays (IMPISH) is a solar X-ray spectrometer that features large-area scintillators, fast readout electronics, and good energy resolution in the hard X-ray band. IMPISH is a…

High light collection efficiency is an important requirement in any application of scintillation detectors. The purpose of this study is to investigate the possibility for improving this parameter in cryogenic scintillation bolometers,…

仪器与探测器 · 物理学 2014-02-11 F. A. Danevich , R. V. Kobychev , V. V. Kobychev , H. Kraus , V. B. Mikhailik , V. M. Mokina

The Plastic Scintillator Detector (PSD) of the DArk Matter Particle Explorer (DAMPE) is designed to measure cosmic ray charge (Z) and to act as a veto detector for gamma-ray identification. In order to fully exploit the charge…

Plastic scintillation detectors represent an efficient, cost-effective, customizable solution for assessment of gamma radiation fields in the context of nuclear security, environmental radiation survey, radiological and nuclear incidents…

仪器与探测器 · 物理学 2021-12-08 Paolo Tancioni , Ulisse Gendotti

Plastic scintillators are widely used in particle detectors when precise timing information is required. As a basis for comparing different detectors we use such a characteristic as the time resolution per 1MeV detected energy, i.e. the…

仪器与探测器 · 物理学 2021-09-08 Alexey Stoykov , Tigran Rostomyan

Research in ceramic scintillators has steadily progressed alongside the research in bulk single crystal scintillator growth. As interest in faster scintillation material production with lower cost increases, more research on scintillating…

仪器与探测器 · 物理学 2021-07-28 R. Hawrami , E. Ariesanti , H. Parkhe , A. Burger

This paper focuses on some dosimetry aspects of proton therapy and pencil beam scanning based on the experience accumulated at Paul Scherrer Institute(PSI). The basic formalism for absolute dosimetry in proton therapy is outlined and the…

医学物理 · 物理学 2018-04-24 S. Safai

Discrimination of the detection of fast neutrons and gamma rays in a liquid scintillator detector has been investigated using digital pulse-processing techniques. An experimental setup with a 252Cf source, a BC-501 liquid scintillator…

核实验 · 物理学 2008-12-08 P. -A. Söderström , J. Nyberg , R. Wolters

Silicon photomultipliers (SiPMs) are a good alternative to photomultiplier tubes (PMTs) because their gain and quantum efficiency are comparable to PMTs. However, the largest single-chip SiPM is still less than 1~cm$^2$. In order to use…

仪器与探测器 · 物理学 2017-11-17 Felix Liang , Hartmut Brands , Les Hoy , Jeff Preston , Jason Smith

Detection of scintillation light can play several important roles in LArTPCs. Increased collection efficiency could result in the improvement of time, energy, and position resolution. The SBND collaboration is developing detailed MC…

仪器与探测器 · 物理学 2016-02-17 D. Garcia-Gamez

A light-emitting diode (LED) pulser for testing the low-rate response of a photomultiplier tube (PMT) to scintillator-like pulses has been designed, developed, and implemented. This pulser is intended to simulate 80 ns full width at half…

仪器与探测器 · 物理学 2015-05-30 M. Friend , G. B. Franklin , B. Quinn

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

High-precision timing of millisecond pulsars (MSPs) over years to decades is a promising technique for direct detection of gravitational waves at nanohertz frequencies. Time-variable, multi-path scattering in the interstellar medium is a…

高能天体物理现象 · 物理学 2015-06-22 Anne M. Archibald , Vladislav I. Kondratiev , Jason W. T. Hessels , Daniel R. Stinebring

We developed machine learning algorithms for distinguishing scintillation signals from a plastic-liquid coupled detector known as a phoswich. The challenge lies in discriminating signals from organic scintillators with similar shapes and…

仪器与探测器 · 物理学 2024-03-07 Yujin Lee , Jinyoung Kim , Byoung-cheol Koh , Young Soo Yoon , Chang Hyon Ha

When treating moving tumors, the precise delivery of proton therapy by pencil beam scanning (PBS) is challenged by the interplay effect. Although several 4D-optimization methods have been proposed, what is the most beneficial motion…

医学物理 · 物理学 2025-01-29 Ivar Bengtsson , Anders Forsgren , Albin Fredriksson