Coherent elastic neutrino scattering on atomic nucleus: recently discovered type of low-energy neutrino interaction

Akimov, D.; Belov, V.; Bolozdynya, A.; Efremenko, Y. V.; Konovalov, A. M.; Kumpan, A.; Rudik, D.; Sosnovtsev, V.; Хромов, А. В.; Shakirov, A.

doi:10.3367/ufne.2018.05.038356

Cited by 14 publications

(7 citation statements)

References 80 publications

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“…Coherent elastic ν-nucleus high atomic mass isotopically enriched [51][52][53][54][55][56] scattering (neutral-current interactions)…”

Section: Applicationmentioning

confidence: 99%

“…The coherent elastic neutrino-nucleus scattering (CENNS)-a process predicted about 45 years ago [245] but detected only recently [247]-is a promising tool to search for effects beyond the SM [53,54]. The CENNS induced by solar neutrinos will be the irreducible background of near future direct DM search experiments because the CENNS signature is exactly the same as WIMP scattering off nuclei [51,52,108,109,224,248].…”

Section: Coherent Elastic Neutrino-nucleus Scatteringmentioning

confidence: 99%

“…There is growing interest in precise CENNS investigation using artificial neutrino sources. An experimental approach based on a LTD placed near a nuclear reactor is now considered to be very attractive for such "tablescale" neutrino experiments (e.g., see [54,55] and references therein). Since the expected signal is a very low energy nuclear recoil, a scintillating bolometer approach would not be able to provide particle identification in the ROI (similarly to low-mass WIMP searches).…”

Section: Coherent Elastic Neutrino-nucleus Scatteringmentioning

confidence: 99%

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Scintillation in Low-Temperature Particle Detectors

Poda

2021

Physics

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Inorganic crystal scintillators play a crucial role in particle detection for various applications in fundamental physics and applied science. The use of such materials as scintillating bolometers, which operate at temperatures as low as 10 mK and detect both heat (phonon) and scintillation signals, significantly extends detectors performance compared to the conventional scintillation counters. In particular, such low-temperature devices offer a high energy resolution in a wide energy interval thanks to a phonon signal detection, while a simultaneous registration of scintillation emitted provides an efficient particle identification tool. This feature is of great importance for a background identification and rejection. Combined with a large variety of elements of interest, which can be embedded in crystal scintillators, scintillating bolometers represent powerful particle detectors for rare-event searches (e.g., rare alpha and beta decays, double-beta decay, dark matter particles, neutrino detection). Here, we review the features and results of low-temperature scintillation detection achieved over a 30-year history of developments of scintillating bolometers and their use in rare-event search experiments.

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“…Coherent elastic ν-nucleus high atomic mass isotopically enriched [51][52][53][54][55][56] scattering (neutral-current interactions)…”

Section: Applicationmentioning

confidence: 99%

Section: Coherent Elastic Neutrino-nucleus Scatteringmentioning

confidence: 99%

Section: Coherent Elastic Neutrino-nucleus Scatteringmentioning

confidence: 99%

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Scintillation in Low-Temperature Particle Detectors

Poda

2021

Physics

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“…This method makes it possible to measure ionization signals with an ultra-small intensity, down to the intensity of the signals produced by single ionization electrons. This exactly corresponds to the task of observing the CEvNS process [18]. The use of heavy xenon nuclei as a target is a matter of particular interest for studying the CEvNS process, since xenon has the heaviest atomic nucleus among substances from which detectors sensitive to sub-kiloelectronvolt energy release can be built.…”

Section: Nuclear Experimental Techniquementioning

confidence: 99%

A Passive Shield for the RED-100 Neutrino Detector

et al. 2021

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A combined passive shield of the RED-100 two-phase emission neutrino detector has been developed and built for suppressing the background of external γ rays and neutrons. The shield is composed of a 5-cm-thick copper layer (the inner layer is adjacent to the detector) and a water layer with a total thickness of approximately 70 cm (including the water inside the copper shield). The Monte Carlo simulation of the shielding efficiency has been performed. The obtained attenuation factor of the copper shield for the γ-ray background has been experimentally verified in a laboratory test using a NaI(Tl) scintillator detector. The γ-ray background rejection factor of the full shield has also been calculated.

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“…A worldwide experimental program for study CEνNS is under way [4][5][6][7][8][9][10][11]. See, also, a review of these experiments in [12]. In this study, noble liquid gas detectors should play a decisive role similarly as happened in the search for WIMPs (Weakly Interacting Massive Particles).…”

Section: Introductionmentioning

confidence: 99%

First ground-level laboratory test of the two-phase xenon emission detector RED-100

Akimov

Belov²,

Bolozdynya³

et al. 2020

J. Inst.

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RED-100 is a two-phase detector for study of coherent elastic scattering of reactor electron antineutrinos off xenon atomic nuclei. The detector contains a total of 200 kg of liquid xenon in a titanium cryostat with 160 kg of xenon in active volume inside a Teflon-made light collection cage associated with electrode system. The active volume is viewed by two arrays of nineteen 3"-diameter Hamamatsu R11410-20 PMTs assembled in two planes on top and bottom. The electrode system is equipped with an electron shutter (a patented device) to reduce a "spontaneous" single-electron noise. The detector was tested in a ground-level laboratory. The obtained results demonstrate that detection of coherent elastic scattering of reactor antineutrinos off xenon nuclei at Kalinin nuclear power plant with the RED-100 detector is feasible with a threshold of 4 ionization electrons.

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Coherent elastic neutrino scattering on atomic nucleus: recently discovered type of low-energy neutrino interaction

Abstract: We present recent results on the first experimental observation of the coherent elastic scattering of the neutrino on atomic nuclei and review other experiments related to the detection and investigation of this process.

Cited by 14 publications

References 80 publications

Scintillation in Low-Temperature Particle Detectors

Scintillation in Low-Temperature Particle Detectors

A Passive Shield for the RED-100 Neutrino Detector

First ground-level laboratory test of the two-phase xenon emission detector RED-100

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