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Optical detection of alpha particle emitters in the environment by air radioluminescence is a new technology that enables sensing a radiological threat at safe distances, without putting personnel at risk or contaminating equipment.…

Nuclear Experiment · Physics 2023-10-24 Claudia Olaru , Mihail-Razvan Ioan , Mastaneh Zadehrafi

LYSO scintillation crystals, due to their significant characteristics such as high light yield, fast decay time, small Moli\'ere radius, and good radiation hardness, are proposed to be used for the electromagnetic calorimeter section of the…

Instrumentation and Detectors · Physics 2021-09-17 M. F. O. Yahya , F. Kocak

We have investigated scintillation light distribution in BaF$_{2}$ and pure CsI crystals with dimensions 3x3x20 cm$^{3}$ using the Geant4 toolkit. The diffuse wrapping material is selected as coating for the crystals. The simulated cosmic…

Instrumentation and Detectors · Physics 2016-04-05 Zafar Usubov

Objective: This study aimed at investigating through Monte Carlo simulations the limitations of a novel hybrid Cerenkov-scintillation detector and the associated method for irradiation angle measurements. Approach: Using Monte Carlo…

Medical Physics · Physics 2022-12-28 Emilie Jean , Simon Lambert-Girard , Francois Therriault-Proulx , Luc Beaulieu

Quasi-monochromatic, high energy and highly polarized $\gamma$-ray beam sources based on Compton scattering of laser photons (LCS) on relativistic electrons have developed for the last few decades as established instruments for nuclear…

Instrumentation and Detectors · Physics 2022-11-11 Dan Filipescu

Proportional scintillation counters (PSCs), both single- and dual-phase, can measure the scintillation (S1) and ionization (S2) channels from particle interactions within the detector volume. The signal obtained from these detectors depends…

Instrumentation and Detectors · Physics 2016-03-23 Kareem Kazkaz , Tenzing Henry Yatish Joshi

The Compton Spectrometer and Imager (COSI) is an upcoming NASA Small Explorer satellite mission, designed for all-sky observations in the soft gamma-ray domain with the use of germanium detectors (GeDs). An active Anticoincidence System…

Over the last decade one of the most significant technological advances made in the field of radiation detectors for nuclear medicine was the development of Silicon Photomultipler (SiPM) sensors. At present a only small number of SiPM based…

Instrumentation and Detectors · Physics 2020-08-03 Jeremy M. C. Brown

A prototype plastic scintillating fibre based beam profile monitor was tested at the Heidelberg Ion Therapy Centre / \textit{Heidelberg Ionenstrahl Therapiezentrum} (HIT) in 2016 to determine its beam property reconstruction performance and…

Instrumentation and Detectors · Physics 2018-06-27 B. D. Leverington , M. Dziewiecki , L. Renner , R. Runze

Localisation of gamma-ray interaction points in monolithic scintillator crystals can simplify the design and improve the performance of a future Compton telescope for gamma-ray astronomy. In this paper we compare the position resolution of…

Instrumentation and Methods for Astrophysics · Physics 2017-01-20 Alexei Ulyanov , Oran Morris , Oliver J. Roberts , Isaac Tobin , Lorraine Hanlon , Sheila McBreen , David Murphy , Nick Nelms , Brian Shortt

Simulations of photon propagation in scintillation detectors were performed with the aim to find the optimal scintillator geometry, surface treatment, and shape of external reflector in order to achieve maximum light collection efficiency…

Instrumentation and Detectors · Physics 2014-11-25 F. A. Danevich , V. V. Kobychev , R. V. Kobychev , H. Kraus , V. B. Mikhailik , V. M. Mokina , I. M. Solsky

A cryogenic detector system based on two 3.3 kg high-purity CsI crystals was developed and characterized at approximately 95 K. Each wedge-shaped crystal was coupled to dual-ended 3-inch photomultiplier tubes (PMTs) for scintillation…

Instrumentation and Detectors · Physics 2025-09-23 Chen'guang Su , Lingquan Kong , Qian Liu , Shi Chen , Wenqian Huang , Kimiya Moharrami , Yangheng Zheng , Jin Li

A new type of neutron detector, named Stack Structure Solid organic Scintillator (S$^4$), consisting of multi-layer plastic scintillators with capability to suppress low-energy $\gamma$ rays under high-counting rate has been constructed and…

This work presents optical calculations and simulations for scintillation detectors used in precision measurements of beta-particle energy spectra. Particular attention is given to Cherenkov photons and the impact of the light detection…

Instrumentation and Detectors · Physics 2025-11-10 S. Vanlangendonck , D. Atanasov , B. Blank , X. Fléchard , M. Kanafani , S. Lecanuet , O. Naviliat-Cuncic , N. Severijns , M. Versteegen

Several models for the simulation of photon elastic scattering are quantitatively evaluated with respect to a large collection of experimental data retrieved from the literature. They include models based on the form factor approximation,…

Computational Physics · Physics 2012-09-27 Matej Batic , Gabriela Hoff , Maria Grazia Pia , Paolo Saracco

Random coincidences of events could be one of the main sources of background in the search for neutrino-less double-beta decay of $^{100}$Mo with macro-bolometers, due to their modest time resolution. Scintillating bolometers as those based…

Monte Carlo simulation plays an important role in the study of time of flight (TOF) positron emission tomography (PET) prototype. As it can incorporate accurate physical modeling of scintillation detection process, from scintillation light…

Instrumentation and Detectors · Physics 2013-09-17 Ze Chen , Zheng-Guo Hu , Jin-Da Chen , Xiu-Ling Zhang , Zhi-Yu Sun , Wen-Xue Huang , Jian-Song Wang , Zhong-Yan Guo , Guo-Qing Xiao

CLLBC(Ce) and TLYC(Ce) are novel scintillation materials capable of measuring mixed gamma ray and neutron radiation fields that have gained significant interest in the areas of space and nuclear safety/security science. To date Geant4, the…

Instrumentation and Detectors · Physics 2023-03-20 Jeremy M. C. Brown , Lachlan Chartier , David Boardman , John Barnes , Alison Flynn

Nowadays, the current threat of international terrorism is set to a severe level, demanding worldwide enhanced security. Radioactive materials that could be fashioned into a radiation dispersal device typically emit gamma rays, while…

Instrumentation and Detectors · Physics 2017-11-16 A. Sh. Georgadze

Position sensitive detectors based on gaseous scintillation proportional counters with Anger-type readout are being used in several research areas such as neutron detection, search for dark matter and neutrinoless double beta decay. Design…

Instrumentation and Detectors · Physics 2016-01-20 L. Pereira , L. M. S. Margato , A. Morozov , V. Solovov , F. A. F. Fraga