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Related papers: Study of the radiation hardness of CsI(Tl) scintil…

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NaI(Tl) large crystals are applied in the search for galactic dark matter particles through their elastic scattering off the target nuclei in the detector by measuring the scintillation signal produced. However, energies deposited in the…

We demostrate that the measurement of fluctuations of polarization due to the galactic interstellar scintillations may be used to study the structure of the radiation field at compact radio sources. We develop a mathematical formalism and…

Astrophysics · Physics 2009-10-31 Mikhail V. Medvedev

Kinetics of radiation damage of the PWO crystals under irradiation and recovery were studied. Crystals were irradiated with dose corresponding to average one expected in the electromagnetic calorimeter (working dose irradiation). Radiation…

Instrumentation and Detectors · Physics 2016-08-16 G. Drobychev , E. Auffray , V. Dormenev , M. Korzhik , P. Lecoq , A. Lopatic , P. Nédélec , J. P. Peigneux , D. Sillou

We investigate the radiation from a charge rotating around conductors with cylindrical symmetry. First the problem is considered with a charge rotating around a conducting cylinder immersed in a homogeneous medium. The surface charge and…

Accelerator Physics · Physics 2017-06-28 A. A. Saharian , A. S. Kotanjyan , A. R. Mkrtchyan , B. V. Khachatryan

While Cadmium Telluride (CdTe) excels in terms of photon radiation absorption properties and outperforms silicon (Si) in this respect, the crystal growth, characterization and processing into a radiation detector is much more complicated.…

Instrumentation and Detectors · Physics 2021-09-01 S. Kirschenmann , S. Bharthuar , E. Brücken , M. Golovleva , A. Gädda , M. Kalliokoski , P. Luukka , J. Ott , A. Winkler

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,…

Instrumentation and Detectors · Physics 2014-02-11 F. A. Danevich , R. V. Kobychev , V. V. Kobychev , H. Kraus , V. B. Mikhailik , V. M. Mokina

Caesium iodide is one of the more extensively studied scintillators. Here we present X-ray luminescence spectra, scintillation light output and decay curves as function of temperature, from room temperature down to below 10 K. Features of…

Materials Science · Physics 2015-08-12 V. B. Mikhailik , V. Kapustyanyk , V. Tsybulskyi , V. Rudyk , H. Kraus

We develop the theory of interstellar scintillation as caused by an irregular plasma having a power-law spatial density spectrum with a spectral exponent of 4 corresponding to a medium with abrupt changes in its density. An ``outer scale''…

Astrophysics · Physics 2009-10-31 Hendrik Lambert , Barney Rickett

We demonstrate the linearity and stability of a gamma-ray scintillation detector comprised of a NaI(Tl) crystal and a scientific-grade CMOS camera. After calibration, this detector exhibits excellent linearity more than three decades of…

Instrumentation and Detectors · Physics 2017-07-13 Scott D. Bergeson , Michael J. Ware , Jeremy Hawk

A light yield of 20.4 $\pm$ 0.8 photoelectrons/keV was achieved with an undoped CsI crystal coupled directly to a photomultiplier tube at 77 Kelvin. This is by far the largest yield in the world achieved with CsI crystals. An energy…

Instrumentation and Detectors · Physics 2016-10-06 Jing Liu , Masaki Yamashita , Arun Kumar Soma

Scintillation characteristics of undoped and Cu+-doped lithium tetraborate Li2B4O7 (LTB) were studied including optical transmittance, photoluminescence, radioluminescence for X- and gamma-rays, alpha/gamma ratio, and decay kinetics. The…

Instrumentation and Detectors · Physics 2016-01-26 Masaaki Kobayashi , Mitsuru Ishii , Nachimuthu Senguttuvan

Eight production quality PbWO4 crystals of CMS have been irradiated in a 20 GeV/c proton beam up to fluences of 5.4E13cm-2. The damage recovery in these crystals has been followed for over a year. Comparative irradiations with 60Co photons…

Instrumentation and Detectors · Physics 2009-11-10 M. Huhtinen , P. Lecomte , D. Luckey , F. Nessi-Tedaldi , F. Pauss

In this study, we comprehensively characterized and optimized a cryogenic pure CsI (pCsI) detector. We utilized a {$\SI{2}{cm}\times\SI{2}{cm}\times\SI{2}{cm}$} cube crystal coupled with a HAMAMATSU R11065 photomultiplier tube, achieving a…

Instrumentation and Detectors · Physics 2025-03-25 Chenguang Su , Qian Liu , Linqquan Kong , Shi Chen , Kimiya Moharrami , Yangheng Zheng , Jin Li

A high light yield calcium iodide (CaI2) scintillator is being developed for an astroparticle physics experiments. This paper reports scintillation performance of calcium iodide (CaI2) crystal. Large light emission of 2.7 times that of…

Instrumentation and Detectors · Physics 2020-03-18 Takashi Iida , Kei Kamada , Masao Yoshino , Kyoung Jin Kim , Koichi Ichimura , Akira Yoshikawa

To study an alternative to BaF2, as the crystal choice for the Mu2e calorimeter, thirteen pure CsI crystals from Opto Materials and ISMA producers have been characterized by determining their light yield (LY) and longitudinal response…

Instrumentation and Detectors · Physics 2016-06-24 M. Angelucci , O. Atanova , S. Baccaro , A. Cemmi , M. Cordelli , R. Donghia , S. Giovannella , F. Happacher , S. Miscetti , I. Sarra , S. R. Soleti

We have studied the scintillation of pure and doped sodium iodide crystals handled in low humidity conditions under external $\alpha$ and $\gamma$ excitation from room temperature down to 4K. The light yield of pure sodium iodide was seen…

Instrumentation and Detectors · Physics 2022-05-25 M. Clark , F. Froborg , P. C. F. Di Stefano , F. Calaprice

The advent of the silicon photomultiplier has allowed the development of highly segmented calorimeters using plastic scintillator as the active media, with photodetectors embedded in the calorimeter, in dimples in the plastic. To reduce the…

Instrumentation and Detectors · Physics 2024-01-23 B. Kronheim , A. Belloni , T. K. Edberg , S. C. Eno , C. Howe , C. Palmer , C. Papageorgakis , M. Paranjpe , S. Sriram

TlSr2I5: Eu2+ is a newly discovered scintillator and show promising scintillation properties for X- and {\gamma}-rays spectroscopy applications. Two zones vertical Bridgman technique is used for the growth of this scintillator. Luminescence…

Instrumentation and Detectors · Physics 2017-09-18 H. J. Kim , Gul Rooh , Arshad Khan , H. Park , Sunghwan Kim

New type of radiation in crystals is predicted and investigated in computer simulation. It is shown that process of volume reflection of electrons and positrons in bent crystals is accomplished with high-power radiation of photons. Volume…

Accelerator Physics · Physics 2008-11-26 Yu. A. Chesnokov , V. I. Kotov , V. A. Maisheev , I. A. Yazynin

In gamma ray imaging, a scintillation crystal is typically used to convert the gamma radiation into visible light. Photosensors are used to transform this light into measurable signals. Several types of photosensors are currently in use…

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