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Introduction: We developed and evaluated a method for dose calibration and monitoring under conventional and ultra-high dose rates for small animal experiments with small-field proton beams using a Faraday cup. Methods: We determined a…

Scintillating ceramics are a promising, new development for various applications in science and industry. Their application in calorimetry for particle physics experiments is expected to involve an exposure to high levels of ionizing…

Instrumentation and Detectors · Physics 2016-11-15 G. Dissertori , D. Luckey , F. Nessi-Tedaldi , F. Pauss , R. Wallny

For the assessment of radiation effects of clinical ion-beams, dosimetry has to be complemented by information on particle-energy distribution or related quantities. Fluorescence nuclear track detectors made from C,Mg-doped alumina single…

Medical Physics · Physics 2017-09-22 Steffen Greilich , Leonie Ulrich , Jasper J. M. Kouwenberg , Shirin Rahmanian

We study the effect ionizing radiation has on light transmission in the wavelength range 190--1100~nm for a number of optically clear epoxies. We find that the transmittance of traditional, commercially available, optical epoxies show…

Instrumentation and Detectors · Physics 2020-12-30 R. J. Tesarek , E. Hahn , A. Pla-Dalmau , J. L. Salinas

Silicon Photomultipliers (SiPMs) are quickly replacing traditional photomultiplier tubes (PMTs) as the readout of choice for gamma-ray scintillation detectors in space. While they offer substantial size, weight and power saving, they have…

Instrumentation and Detectors · Physics 2021-02-03 Lee J. Mitchell , Bernard Phlips , W. Neil Johnson , Mary Johnson-Rambert , Anika N. Kansky , Richard Woolf

We report the scintillation and timing performance of a new developed 200 * 20 mm * 20 mm large size barium fluoride crystal doped with 3at% yttrium (BaF2:Y) to enhance the application for high time resolution. This doping effectively…

Instrumentation and Detectors · Physics 2025-02-24 Zeyu Huang , Jing Zhang , Shiming Zou , Mingkuan Yuan , Jiawei Xu , Xiyang Wang , Shiqing Xie , Jinhui Chen , Junfeng Chen , Xiaolong Wang

Two signatures of quantum effects on radiation reaction in the collision of a ~GeV electron-beam with a high-intensity (>3x10^20W/cm^2) laser-pulse have been considered. We show that the decrease in the average energy of the electron-beam…

The time resolution (TR) is one of the most important characteristic of a detector. For the case of a scintillator, the collection of light also is important, it depends of the effective area of the photo-sensor (\textit{Scorer}). The…

Polarisation doping of Al$_x$Ga$_{1-x}$N, through grading of $x$, has realised major improvements in $p$-type conductivity in ultraviolet (UV) light-emitting diodes (LEDs) compared to conventional impurity doping. However, the exact balance…

Arrays of 10 nm-diameter point contacts of exchange-coupled spin-majority/spin-minority ferromagnetic metals, integrated into infrared-terahertz range photon resonators, are fabricated and measured electrically and optically. Giant,…

Mesoscale and Nanoscale Physics · Physics 2013-11-27 V. Korenivski , A. Iovan , A. Kadigrobov , R. I. Shekhter

Purpose: HDR brachytherapy is a widely adopted modality for cancer treatment. However, it is not free from error and uncertainty. In-vivo dosimetry (IVD) is the only technique that can confirm correct dose delivery. This study details and…

Medical Physics · Physics 2025-12-10 Chahrazed Ghannoudi , Marie-Claude Lavallee , Benjamin Cote , Luc Beaulieu

Results of absolute light output measurements on strontium and barium fluoride doped with PrF$_3$ and CeF$_3$ are presented and compared with scintillators having well-known light output (NaI-Tl, CsI-Tl, BGO). For pure SrF$_2$ crystal we…

Materials Science · Physics 2015-06-11 Roman Shendrik , Evgeny Radzhabov

Due to its angular dependency, Cerenkov light has long been considered a contamination signal in plastic scintillating dosimeters. In this study, we propose a novel approach designed to take advantage of this angular dependency to perform a…

Medical Physics · Physics 2022-03-17 Emilie Jean , Simon Lambert-Girard , Francois Therriault-Proulx , Luc Beaulieu

A large number of current and future experiments in neutrino and dark matter detection use the scintillation light from noble elements as a mechanism for measuring energy deposition. The scintillation light from these elements is produced…

Instrumentation and Methods for Astrophysics · Physics 2015-03-19 V. M. Gehman , S. R. Seibert , K. Rielage , A. Hime , Y. Sun , D. -M. Mei , J. Maassen , D. Moore

Single-shot laser-induced damage threshold (LIDT) measurements of multi-type free-standing ultrathin foils were performed in vacuum environment for 800 nm laser pulses with durations {\tau} ranging from 50 fs to 200 ps. Results show that…

The light output produced by light ions (Z<=4) in CsI(Tl) crystals is studied over a wide range of detected energies (E<=300 MeV). Energy-light calibration data sets are obtained with the 10 cm crystals in the recently upgraded…

Laser Shock Peening (LSP) of stainless-steel 316 and 316L was studied using Ti: Sapphire laser pulses of about 2 ps duration, maximum energy of about 1mJ and pulse repetition rate of 5kHz in different liquid confinement media of Ethanol,…

Materials Science · Physics 2019-08-28 Kishore Elango , Jan S. Hoppius , Lalit M. Kukreja , Andreas Ostendorf , Evgeny L. Gurevich

While spatial dose conformity delivered to a target volume has been pushed to its practical limits with advanced treatment planning and delivery, investigations in novel temporal dose delivery are unfolding new mechanisms. Recent advances…

We report on the position, timing, and energy resolution of a range of plastic scintillator bars and reflector treatments using dual-ended silicon photomultiplier readout. These measurements are motivated by the upcoming construction of an…

Plastic scintillators have become increasingly important in particle physics for time-of-flight and calorimetry measurements. Their light yield and the possibility of customizing their geometry make them also attractive for the construction…

Instrumentation and Detectors · Physics 2023-05-29 M. Biassoni , A. Caminata , S. Caprioli , A. Celentano , S. Davini , A. Marini , G. Sobrero