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Related papers: Liquid $^3$He Detectors for Neutrons

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$(\alpha,n)$ reactions play an important role in nuclear astrophysics and applications and are an important background source in neutrino and dark matter detectors. Measurements of total $(\alpha,n)$ cross sections employing direct neutron…

We report on a comparison study of the $^{3}$He gas proportional tube and the $^{6}$Li incorporated scintillation glasses on thermal neutron detection efficiency. Both $^{3}$He and $^{6}$Li are used commonly for thermal neutron detection…

Instrumentation and Detectors · Physics 2015-06-15 Ming Xu , Zhi-Cheng Tang , Guo-Ming Chen , Jun-Quan Tao

A first comparison has been made between the pulse-shape discrimination characteristics of a novel $^{4}$He-based pressurized scintillation detector and a NE-213 liquid-scintillator reference detector using an Am/Be mixed-field neutron and…

Absolute measurements of neutron flux are an essential prerequisite of neutron-induced cross section measurements, neutron beam lines characterization and dosimetric investigations. A new gaseous detector has been developed for measurements…

Instrumentation and Detectors · Physics 2019-01-21 P. Marini , L. Mathieu , M. Aïche , J. -L. Pedroza , T. Chiron , P. Baron , S. Czajkowski , F. Druillole , P. Hellmuth , B. Jurado , A. Rebii , I. Tsekhanovich

The 3He-based neutron detectors are no longer the default solution for neutron scattering applications. Both the inability of fulfilling the requirements in performance, needed for the new instruments, and the shortage of 3He, drove a…

Instrumentation and Detectors · Physics 2020-03-13 Giacomo Mauri , Francesco Messi , Kalliopi Kanaki , Richard Hall-Wilton , Francesco Piscitelli

We discuss the operation principle of a detector based on superheated droplets of Freon-12 and its feasibility for the search of weakly interacting cold dark matter particles. In particular we are interested in a neutralino search…

High Energy Physics - Experiment · Physics 2009-10-28 L. A. Hamel , L. Lessard , L. Rainville , B. Sur , V. Zacek

Motivated by a proposed experimental search for the electric dipole moment of the neutron (nEDM) utilizing neutron-$^3$He capture in a dilute solution of $^3$He in superfluid $^4 $He, we derive the transport properties of dilute solutions…

Other Condensed Matter · Physics 2013-06-28 Gordon Baym , D. H. Beck , C. J. Pethick

Although for large area detectors it is crucial to find an alternative to detect thermal neutrons because of the 3He shortage, this is not the case for small area detectors. Neutron scattering science is still growing its instruments' power…

Instrumentation and Detectors · Physics 2014-03-14 F. Piscitelli , J. C. Buffet , J. F. Clergeau , S. Cuccaro , B. Guerard , A. Khaplanov , Q. La Manna , J. M. Rigal , P. Van Esch

MACHe3 (MAtrix of Cells of superfluid He3) is a project of a new detector for direct Dark Matter (DM) search. A cell of superfluid He3 has been developed and the idea of using a large number of such cells in a high granularity detector is…

Astrophysics · Physics 2007-05-23 D. Santos , F. Mayet , Yu. M. Bunkov , A. Drezet , G. Duhamel , H. Godfrin , F. Naraghi , G. Perrin

MITPC is a gas-based time projection chamber used for detecting fast, MeV-scale neutrons. The standard version of the detector relies on a mixture of 600~torr gas composed of 87.5% $^4$He and 12.5% CF$_4$ for precisely measuring the energy…

Instrumentation and Detectors · Physics 2015-12-09 A. Hexley , M. H. Moulai , J. Spitz , J. M. Conrad

The use of liquid helium and neon as scintillators for neutrino detection is investigated. Several unique properties of these cryogens make them promising candidates for real-time solar neutrino spectroscopy: large ultraviolet scintillation…

Astrophysics · Physics 2007-05-23 D. N. McKinsey , J. M. Doyle

Over the last decades, the field of thermal neutron detection has overwhelmingly employed He-3-based technologies. The He-3 crisis together with the forthcoming establishment of the European Spallation Source have necessitated the…

Absolute measurements of neutron fluence are an essential prerequisite of neutron-induced cross section measurements, neutron beam lines characterization and dosimetric investigations. The H(n,p) elastic scattering cross section is a very…

Instrumentation and Detectors · Physics 2018-11-05 Paola Marini , Ludovic Mathieu , Mourad Aïche , Serge Czajkowski , Beatriz Jurado , Igor Tsekhanovich

A promising technology concept for sub-GeV dark matter detection is described, in which low-temperature microcalorimeters serve as the sensors and superfluid $^4$He serves as the target material. A superfluid helium target has several…

Instrumentation and Detectors · Physics 2019-12-04 S. A. Hertel , A. Biekert , J. Lin , V. Velan , D. N. McKinsey

We have measured the mass diffusion coefficient D of 3He in superfluid 4He at temperatures lower than were previously possible. The experimental technique utilizes scintillation light produced when neutron react with 3He nuclei, and allows…

The project of a micro-TPC matrix of chambers of He3 for direct detection of non-baryonic dark matter is outlined. The privileged properties of He3 are highlighted. The double detection (ionization - projection of tracks) will assure the…

Astrophysics · Physics 2016-11-09 D. Santos , O. Guillaudin , T. Lamy , F. Mayet , E. Moulin

Precise in-situ measurements of the neutron flux in underground laboratories is crucial for direct dark matter searches, as neutron induced backgrounds can mimic the typical dark matter signal. The development of a novel neutron…

Instrumentation and Detectors · Physics 2022-12-21 I. Giomataris , S. Green , I. Katsioulas , P. Knights , I. Manthos , J. Matthews , T. Neep , K. Nikolopoulos , T. Papaevangelou , B. Phoenix , J. Sanders , R. Ward

We propose the operation of \textbf{LEvEL}, the Low-Energy Neutrino Experiment at the LHC, a neutrino detector near the Large Hadron Collider Beam Dump. Such a detector is capable of exploring an intense, low-energy neutrino flux and can…

High Energy Physics - Phenomenology · Physics 2021-09-06 Kevin J. Kelly , Pedro A. N. Machado , Alberto Marchionni , Yuber F. Perez-Gonzalez

Several experimental techniques are currently under development, to measure the expected tiny fluxes of highest energy neutrinos above 10**18 eV. Projects in different stages of realisation are discussed here, which are based on optical and…

Astrophysics · Physics 2009-11-10 Rolf Nahnhauer

We review the current status of liquid noble gas radiation detectors with energy threshold in the keV range, wich are of interest for direct dark matter searches, measurement of coherent neutrino scattering and other low energy particle…

Instrumentation and Detectors · Physics 2013-04-30 Vitaly Chepel , Henrique Araújo