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The Neutrino Elastic-scattering Observation with NaI(Tl) experiment (NEON) aims to detect coherent elastic neutrino-nucleus scattering~(\cenns) in a NaI(Tl) crystal using reactor anti-electron neutrinos at the Hanbit nuclear power plant…

Instrumentation and Detectors · Physics 2024-07-01 J. J. Choi , E. J. Jeon , J. Y. Kim , K. W. Kim , S. H. Kim , S. K. Kim , Y. D. Kim , Y. J. Ko , B. C. Koh , C. Ha , B. J. Park , S. H. Lee , I. S. Lee , H. Lee , H. S. Lee , J. Lee , Y. M. Oh

We present the responses of a NaI(Tl) crystal in terms of the light yield and pulse shape characteristics of nuclear recoil events at two different temperatures: 22 C (room temperature) and -35 C (low temperature). The light yield is…

Instrumentation and Detectors · Physics 2022-04-27 S. H. Lee , G. S. Kim , H. J. Kim , K. W. Kim , J. Y. Lee , H. S. Lee

Scintillation characteristics of a thallium doped sodium iodide (NaI(Tl)) crystal with a dimension of 0.6 x 0.6 x 2 cm3 are studied by attaching a silicon photomultiplier (SiPM) direct to the crystal over a temperature range from 93 to 300…

Instrumentation and Detectors · Physics 2022-03-02 H. Y. Lee , J. A. Jeon , K. W. Kim , W. K. Kim , H. S. Lee , M. H. Lee

Recently there is a flourishing and notable interest in the crystalline scintillator material sodium iodide (NaI) as target for direct dark matter searches. This is mainly driven by the long-reigning contradicting situation in the dark…

A high purity and large volume NaI(Tl) scintillator was developed to search for cosmic dark matter. The required densities of radioactive impurities (RIs) such as U-chain, Th-chain are less than a few ppt to establish high sensitivity to…

The ZEPLIN-III experiment is operating in its second phase at the Boulby Underground Laboratory in search of dark matter WIMPs. The major upgrades to the instrument over its first science run include lower background photomultiplier tubes…

The long-standing claim of dark matter detection by the DAMA experiment remains a crucial open question in astroparticle physics. A key step towards its independent verification is the development of NaI(Tl)-based detectors with improved…

Thallium-doped sodium iodide (NaI(Tl)) scintillation detectors play an important role in the field of direct dark matter (DM) searches. The DAMA/LIBRA experiment stands out for its reported observation of an annually modulating DM-like…

Thallium-doped sodium iodide (NaI(Tl)) crystals are widely used in radiation detection applications, from gamma-ray spectroscopy to particle dark matter searches. However, if the crystal is exposed to relative humidity of even a few…

Instrumentation and Detectors · Physics 2022-11-16 Jinyoung Kim , Yujin Lee , Byoung-cheol Koh , Chang Hyon Ha , Byung Ju Park , In Soo Lee , Hyun Su Lee

The NaI:Tl crystals were early investigated and used for wide application fields due to high light yield and crystal growth advantages. So far, the absolute light yields of NaI:Tl crystal have typically been known to be 40 ph/keV. However,…

High Energy Physics - Experiment · Physics 2024-04-30 Nguyen Thanh Luan , Kim Hong Joo , Lee Hyun Su , Jin Jegal , Lam Tan Truc , Khan Arshad , Nguyen Duc Ton

The SABRE (Sodium Iodide with Active Background REjection) experiment will search for an annually modulating signal from dark matter using an array of ultra-pure NaI(Tl) detectors surrounded by an active scintillator veto to further reduce…

Instrumentation and Detectors · Physics 2019-08-13 Giulia D'Imperio

DarkSide-20k is a rare-event search experiment aimed at finding signals of dark matter particles. It is a dual-phase detector that registers ionisation and scintillation signals originating from the particles interacting with the liquid…

Instrumentation and Detectors · Physics 2021-12-10 Cenk Türkoğlu , Sarthak Choudhary

Neutrons are a particularly dangerous background for direct WIMP dark matter searches; their nuclear recoils with the target nucleus are often indistinguishable from nuclear recoils produced by WIMP-nuclear collisions. In this study, we…

Instrumentation and Detectors · Physics 2016-04-06 Shawn Westerdale , Emily Shields , Frank Calaprice

Very large thallium doped sodium iodide crystals operated underground and in very low background environment in the context of a dark matter search experiment have been used to determine scintillation components in the tens of ms range in…

Instrumentation and Methods for Astrophysics · Physics 2014-07-07 C. Cuesta , M. A. Oliván , J. Amaré , S. Cebrián , E. García , C. Ginestra , M. Martínez , Y. Ortigoza , A. Ortiz de Solórzano , C. Pobes , J. Puimedón , M. L. Sarsa , J. A. Villar , P. Villar

We analyzed the response of NaI(Tl) to low energy nuclear recoils in the experiment that is reported on here. Such detectors have been used recently to search for evidence of dark matter in the form of weakly interacting massive particles…

Instrumentation and Detectors · Physics 2017-06-26 Tyana Stiegler , Clement Sofka , Robert C. Webb , James T. White

The annual modulation of scintillation event rate observed by the DAMA/LIBRA experiment has been a long-standing controversy in the quest of the direct detection of dark matter. The effort to definitively confirm or refute the annual…

Instrumentation and Detectors · Physics 2020-03-04 Burkhant Suerfu , Masayuki Wada , Winston Peloso , Michael Souza , Frank Calaprice , Joshua Tower , Guido Ciampi

Scintillator doped with a high neutron-capture cross-section material can be used to detect neutrons via their resulting gamma rays. Examples of such detectors using liquid scintillator have been successfully used in high-energy physics…

Instrumentation and Detectors · Physics 2019-01-01 D. M. Poehlmann , D. Barker , H. Chagani , P. Cushman , G. Heuermann , A. Medved , H. E. Rogers , R. Schmitz

We report a study of CsI(Tl) scintillator to assess its applicability in experiments to search for dark matter particles. Measurements of the mean scintillation pulse shapes due to nuclear and electron recoils have been performed. We find…

We investigate the prospects for measuring the coherent elastic neutrino-nucleus scattering of solar and supernova neutrinos in future NaI(Tl) dark matter detection experiments. Considering the reduced background and improved light yield of…

High Energy Physics - Phenomenology · Physics 2023-08-29 Young Ju Ko , Hyun Su Lee

We report the fabrication and performance of an annular, cryogenic, phonon-mediated veto detector that can host an inner target detector, allowing substantial reduction in radiogenic backgrounds for rare event search experiments. A…