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Related papers: Experimental research on the THGEM-based thermal n…

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Coherent elastic neutrino-nucleus scattering (CE$\nu$NS) offers a valuable approach in searching for physics beyond the Standard Model. The Ricochet experiment aims to perform a precision measurement of the CE$\nu$NS spectrum at the…

Instrumentation and Detectors · Physics 2022-12-21 R. Chen , H. Douglas Pinckney , E. Figueroa-Feliciano , Z. Hong , B. Schmidt

During 2014 the second experimental area EAR2 was completed at the n-TOF neutron beam facility at CERN. As the neutrons are produced via spallation, by means of a high-intensity 20 GeV pulsed proton beam impinging on a thick target, the…

Instrumentation and Detectors · Physics 2019-08-14 L. Cosentino , A. Musumarra , M. Barbagallo , N. Colonna , L. Damone , A. Pappalardo , M. Piscopo , P. Finocchiaro

Presented here are first tests of a Gaseous Photomultiplier based on a cascade of Thick GEM structures intended for gamma-ray position reconstruction in liquid Argon. The detector has a MgF$_2$ window, transparent to VUV light, and a CsI…

Instrumentation and Detectors · Physics 2015-09-02 B. Lopez Paredes , C. D. R. Azevedo , S. Paganis , A. L. M. Silva , N. J. C. Spooner , J. F. C. A. Veloso

The thick GEM (THGEM) [1] is an "expanded" GEM, economically produced in the PCB industry by simple drilling and etching in G-10 or other insulating materials (fig. 1). Similar to GEM, its operation is based on electron gas avalanche…

Medical Physics · Physics 2008-11-26 M. Cortesi , R. Chechik , A. Breskin , G. Guedes , V. Dangendorf , D. Vartzky , D. Bar

One of our two methods for fast-neutron imaging with spectrometric capability is presented here. It is a neutron-counting technique based on a hydrogenous neutron converter coupled to Gaseous Electron Multipliers (GEM). The principles of…

Instrumentation and Detectors · Physics 2009-11-10 V. Dangendorf , A. Breskin , R. Chechik , M. Goldberg , G. Laczko , I. Mor , M. Reginatto , D. Vartsky

The HOLMES experiment will perform a precise calorimetric measurement of the end point of the Electron Capture (EC) decay spectrum of 163Ho in order to extract information on neutrino mass with a sensitivity below 2 eV. In its final…

A new type of radiation detector, a p-type modified electrode germanium diode, is presented. The prototype displays, for the first time, a combination of features (mass, energy threshold and background expectation) required for a…

Nuclear Experiment · Physics 2011-05-12 P. S. Barbeau , J. I. Collar , O. Tench

The Thick Gaseous Electron Multiplier (THGEM) is a simple and robust electrode suitable for large area detectors. In this work the results of extensive comparative studies of the physical properties of different THGEM-based structures are…

Instrumentation and Detectors · Physics 2015-06-17 S. Bressler , L. Arazi , L. Moleri , M. Pitt , A. Rubin , A. Breskin

The performances of THGEM multipliers in two-phase Xe avalanche mode are presented for the first time. Additional results on THGEM operation in gaseous Xe at cryogenic temperatures are provided. Stable operation of a double-THGEM multiplier…

Instrumentation and Detectors · Physics 2015-03-18 A. Bondar , A. Buzulutskov , A. Grebenuk , E. Shemyakina , A. Sokolov , D. Akimov , I. Alexandrov , A. Breskin

We explore the use of microstructured semiconductor neutron detectors (MSNDs) to map the ratio between thermal neutrons and higher energy neutrons. The system consists of alternating layers of modular neutron detectors (MNDs), each…

Instrumentation and Methods for Astrophysics · Physics 2020-04-22 Alejandro Soto , Ryan G. Fronk , Kerry Neal , Bent Ehresmann , Steven L. Bellinger , Michael Shoffner , Douglas S. McGregor

Estimation of the signal amplitudes and counting rates for coherent scattering of reactor antineutrino off atomic nuclei in two-phase xenon and argon detectors has been done. A conceptual design of detector based on the existing…

Nuclear Experiment · Physics 2009-06-23 Dmitri Akimov , Alexander Bondar , Alexander Burenkov , Alexei Buzulutskov

A construction of a thermal neutron testing detector with a thin [ZnS(Ag)+$^6$LiF] scintillator is described. Results of an investigation of sources of the detector pulse origin and the pulse features in a ground and underground conditions…

The thermal neutrons were registered using a two-detector module based on two planar Si detectors: with a neutron converter from natural metallic Gd and without a converter. To obtain thermal neutrons we used a 239Pu-Be({\alpha},n) fast…

Instrumentation and Detectors · Physics 2018-09-25 O. S. Deiev , V. N. Dubina , S. K. Kiprich , V. D. Ovchinnik , G. P. Vasiliev , V. I. Yalovenko

A prototype Gas Electron Multiplier (GEM) detector is under construction for medical imaging purposes. A single thick GEM of size 10x10 cm^2 is assembled inside a square shaped air-tight box which is made of Perspex glass. In order to…

Instrumentation and Detectors · Physics 2013-07-05 N. N. Mondal , S. Chattopadhyay , M. R. Dutta Mazumdar , A. K. Dubey , Y. P. Vioygi

NEXT-DEMO is a high-pressure xenon gas TPC which acts as a technological test-bed and demonstrator for the NEXT-100 neutrinoless double beta decay experiment. In its current configuration the apparatus fully implements the NEXT-100 design…

Compared to Multi Wires Proportional Chambers (MWPC), Micro-Pattern Gas Detectors (MPGD) used in HEP to detect MIPs offer better spatial resolution, counting rate capability, and radiation hardness; their fabrication is also more…

Instrumentation and Detectors · Physics 2014-10-02 Bruno Guerard , Richard Hall-Wilton , Fabrizio Murtas

The High Energy Physics group of the University of Texas at Arlington Physics Department has been developing Gas Electron Multiplier (GEM) detectors for use as the sensitive gap detector in digital hadron calorimeters (DHCAL) for the future…

Instrumentation and Detectors · Physics 2011-10-20 J. Yu , E. Baldelomar , K. Park , S. Park , M. Sosebee , N. Tran , A. P. White

An innovative photosensitive gaseous detector, consisting of a GEM like amplification structure with double layered electrodes (instead of commonly used metallic ones) coated with a CsI reflective photocathode, is described. In one of our…

Instrumentation and Detectors · Physics 2008-07-18 V. Peskov , P. Martinengo , E. Nappi , R. Oliveira , G. Paic , F. Pietropaolo , P. Picchi

Technology developed for the T2K electromagnetic calorimeter has been adapted to make a small footprint, reliable, segmented detector to characterise anti-neutrinos emitted by nuclear reactors. The device has been developed and demonstrated…

Instrumentation and Detectors · Physics 2018-11-05 J. Carroll , J. Coleman , G. Davies , M. Lockwood , C. Metelko , R. Mills , M. Murdoch , A. Roberts , Y. Schnellbach , C. Touramanis
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