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The nonproportional scintillation response of LaBr3 doped with 5% Ce3+ and of LaCl3 doped with 10% Ce3+ was measured using highly monochromatic synchrotron irradiation. To estimate the photon response, pulse height spectra at many finely…

Materials Science · Physics 2011-03-18 Ivan V. Khodyuk , Pieter Dorenbos

The nonproportional response and related energy resolution of LaBr$_3$:Ce$^3+$ scintillation crystals doped with different concentrations of cerium were studied between 80K and 450K. For Ce$^3+$ concentration of 5% and 30%, LaBr$_3$ showed…

Materials Science · Physics 2012-09-25 I. V. Khodyuk , F. G. A. Quarati , M. S. Alekhin , P. Dorenbos

This study aims to provide an accurate estimation of the intrinsic resolution of LaBr$_3$(Ce) crystal through a combination of experimental and simulation methods. We re-analyzed the data from previous Wide-Angle Compton Coincidence (WACC)…

Instrumentation and Detectors · Physics 2025-01-06 Pei-Yi Feng , Xi-Lei Sun , Zheng-Hua An , Cheng-Er Wang , Da-Li Zhang , Xin-Qiao Li , Chao Zheng , Shao-Lin Xiong , Hong Lu

CeBr3 is emerging as one of the best scintillators having properties almost similar to Cerium doped lanthanum halide scintillators. We have measured, for the first time, the intrinsic energy resolution of Compton electrons in a cylindrical…

Instrumentation and Detectors · Physics 2017-08-18 Snigdha Sharma , V. Ranga , S. Rawat , M. Dhibar , G. Anil Kumar

The development prospects of a scintillator-photodiode type detector with an improved energy resolution attaining few per cent, R from 1 to 2%, are considered. The main resolution components have been analyzed theoretically, their…

Instrumentation and Detectors · Physics 2007-05-23 S. V. Naydenov , V. D. Ryzhikov

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

We have characterized in depth the time response of three detectors equipped with cylindrical LaBr$_{3}$ (Ce) crystals with dimensions of 1-in. in height and 1-in. in diameter, and having nominal Ce doping concentration of 5%, 8% and 10%.…

Instrumentation and Detectors · Physics 2015-12-09 V. Vedia , H. Mach , L. M. Fraile , J. M. Udias , S. Lalkovski

Using highly monochromatic X-ray synchrotron irradiation ranging from 9 keV to 100 keV, accurate Lu2SiO5:Ce3+,Ca (LSO), Lu3Al5O12:Pr3+ (LuAG), Lu2Si2O7:Ce3+ (LPS) and Gd2SiO5:Ce3+ (GSO) non-proportional response curves were determined. By…

Materials Science · Physics 2011-02-23 Ivan V. Khodyuk , Johan T. M. de Haas , Pieter Dorenbos

The development prospects have been considered of a scintillator-photodiode type detector with improved energy resolution attaining several per cent ($R=1-2%$). The main contributions to the scintielectron detector energy resolution have…

High Energy Physics - Experiment · Physics 2007-05-23 S. V. Naydenov , V. D. Ryzhikov

Scintillation properties of the new Tl2LaCl5: xCe3+ where x = 0, 0.5, 1 and 10 mole % (TLC: Ce3+) single crystals are presented. Two zones vertical Bridgman technique is used for the growth of this scintillation material. High Z-number (79)…

Materials Science · Physics 2017-04-05 H. J. Kim , Gul Rooh , Sunghwan Kim

The properties of large volume cylindrical 3.5 x 8 inches (89 mm x 203 mm) LaBr3:Ce scintillation detectors coupled to the Hamamatsu R10233-100SEL photo-multiplier tube were investigated. These crystals are among the largest ones ever…

We proposed a novel method for exploring the intrinsic energy resolution of a liquid scintillator (LAB + 2.5 g/L PPO + 3 mg/L bis-MSB) for approximately 1 MeV electrons. With the help of coincidence detection technology, single-energy…

Instrumentation and Detectors · Physics 2022-05-11 Y. Deng , X. Sun , B. Qi , J. Li , W. Yan , L. Li , H. Jiang , C. Wang , X. Cai , T. Hu , J. Fang , X. Fan , F. Gu , J. Lv , X. Ling , G. Qu , X. Qi , L. Sun , L. Zhou , B. Yu , Y. Xie , J. Ye , Z. Zhu , Y. Zh , G. Zuo

The response of a scintillation detector with a cylindrical 1.5-inch LaBr3:Ce crystal to incident neutrons has been measured in the energy range En = 2-12 MeV. Neutrons were produced by proton irradiation of a Li target at Ep = 5-14.6 MeV…

The multi-TeV energy region of the cosmic-ray spectra has been recently explored by direct detection experiments that used calorimetric techniques to measure the energy of the cosmic particles. Interesting spectral features have been…

LaBr3:Ce crystals have good scintillation properties for X-ray spectroscopy. Initially, they were introduced for radiation imaging in medical physics with either a photomultiplier or SiPM readout, and they found extensive applications in…

Instrumentation and Detectors · Physics 2023-11-29 M. Bonesini , R. Bertoni , A. Abba , F. Caponio , M. C. Prata , M. Rossella

0.5%, 1%, 3% and 5% Ce-concentration single crystals of Tl2LiLuCl6 were grown from the melt using two zone vertical Bridgman technique. X-ray induced emission spectra showed Ce3+ emission between 370 nm and 540 nm wavelength range. Energy…

Materials Science · Physics 2017-04-26 Gul Rooh , H. J. Kim , Jonghoon Jang , Sunghwan Kim

Detection of photons with scintillating inorganic crystals in the high-energy range (> 0.1 MeV) will be discussed, making a comparison with other available methods. Energy resolutions up to 2 % at 662 keV and fast decay time of the order of…

Instrumentation and Detectors · Physics 2025-05-13 M. Bonesini

The energy resolution of the EXO-200 detector is limited by electronics noise in the measurement of the scintillation response. Here we present a new technique to extract optimal scintillation energy measurements for signals split across…

We measure and explain scintillator non-proportionality and gamma quenching of CaWO4 at low energies and low temperatures. Phonons that are created following an interaction in the scintillating crystal at temperatures of 15mK are used for a…

Non-proportional response of the scintillation yield of NaI:Tl was measured using highly monochromatic synchrotron irradiation ranging from 9 to 100 keV. Special attention is paid to the X-ray escape peaks. They provide us additional…

Instrumentation and Detectors · Physics 2011-03-22 I. V. Khodyuk , P. A. Rodnyi , P. Dorenbos
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