Neutron Spectrometry With Scintillating Bolometers of LiF and Sapphire

Coron, N.; Cuesta, C.; Garcı́a, E.; Ginestra, C.; Gironnet, J.; Marcillac, P. de; Martinez, M.; Ortigoza, Y.; Solórzano, A. Ortíz de; Puimedón, J.; Redon, T.; Rolón, T; Sarsa, M.L.; Torres, L.; Villar, J.A.

doi:10.1109/tns.2016.2561280

Cited by 3 publications

(8 citation statements)

References 44 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Similar results were achieved with a twice massive LiF scintillating bolometer operated aboveground [592] and underground [545]. Since such low light yield did not provide particle discrimination at low thresholds, this material was considered only for neutron detection in further studies with natural and 6 Li-enriched LiF scintillating bolometers [59,60,254,255,257,258,371]. In particular, a scintillating bolometer prototype based on a 32 g 6 LiF crystal ( 25 × 25 mm, 95% enrichment in 6 Li) has been operated successfully [59,371].…”

Section: Lithium Fluoridementioning

confidence: 66%

“…Neutron detection Li, B, Gd/low atomic mass 6 Li, 10 B, 155,157 Gd [57][58][59][60][61] in rare-event searches (neutron capture/scattering) a Weakly interactive massive particles.…”

Section: Applicationmentioning

confidence: 99%

“…A scintillating bolometer containing 6 Li or 10 B-isotopes actively used for neutron detection thanks to their high thermal neutron capture cross section (see, e.g., [57,61,[251][252][253])-can be exploited for the in-situ neutron flux monitoring in rare-event search experiments [59,60,74,254,255]. The detection principle is based on the 6 Li(n,t)α and 10 B(n,α) 7 Li reactions aiming at detection of the products.…”

Section: Neutron Detection In Rare-event Searchesmentioning

confidence: 99%

“…The presence of low atomic mass elements in the detector medium is preferred to get nuclear recoils with higher energies, improving particle identification. A simultaneous use of scintillating bolometers to detect both neutroninduced nuclear recoils and products of neutron captures can also be exploited for the neutron flux measurements [60,257,258].…”

Section: Neutron Detection In Rare-event Searchesmentioning

confidence: 99%

“…Scintillating bolometers based on this target (as well as bismuth germanate, Section 3.4.2, and lithium fluoride, Section 3.6.2) have been extensively developed and studied as part of the ROSEBUD DM search program [257,267,[538][539][540][541]. In addition to being used as DM detector, an Al 2 O 3 scintillating bolometer, operated alone or together with a 6 Li-containing LTD, can be exploited for the monitoring of fast neutrons (which can mimic a DM signal) [60,257,258].…”

Section: Aluminium Oxidementioning

confidence: 99%

See 4 more Smart Citations

Scintillation in Low-Temperature Particle Detectors

Poda

2021

Physics

View full text Add to dashboard Cite

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.

show abstract

Section: Lithium Fluoridementioning

confidence: 66%

“…Neutron detection Li, B, Gd/low atomic mass 6 Li, 10 B, 155,157 Gd [57][58][59][60][61] in rare-event searches (neutron capture/scattering) a Weakly interactive massive particles.…”

Section: Applicationmentioning

confidence: 99%

Section: Neutron Detection In Rare-event Searchesmentioning

confidence: 99%

Section: Neutron Detection In Rare-event Searchesmentioning

confidence: 99%

Section: Aluminium Oxidementioning

confidence: 99%

See 3 more Smart Citations

Scintillation in Low-Temperature Particle Detectors

Poda

2021

Physics

View full text Add to dashboard Cite

show abstract

Selection and purification of Li2CO3 precursor for bolometric double beta decay experiments

Shin,

Byeon,

Choe

et al. 2024

Front. Phys.

View full text Add to dashboard Cite

This paper describes the preparation of radiopure lithium carbonate powder for the needs of low-background research, in particular, AMoRE-II, the second phase of a search for the neutrinoless double-beta decay (0νDBD) of the 100Mo isotope using over 100 kg of 100Mo contained in 200 kg of ultra-pure Li2100MoO4 bolometric crystals. About 150 kg of pure Li2CO3 powder is required to synthesize the crystals. The desired radiopurity for the lithium powder is 40K below 100 mBq/kg, and Th/U and Ra are at a few mBq/kg. Several commercially available powders were tested with ICP-MS and HPGe detectors at the Center for Underground Physics (CUP) of the Institute for Basic Science in Korea. The lowest purity of the tested products was 99.99%. The results of the powders’ radioassay at CUP showed that none of the tested products were suited for the 0νDBD search application. A special purification technology had to be developed to remove the original contamination of the powder with potassium (K), thorium (Th), uranium (U), and radium (Ra). Lithium carbonate crystallization via carbonization technique was inefficient in removing radiochemical impurities. Lithium formate fractional recrystallization effectively removed Ra, K, and Th, but the synthesis of the final lithium carbonate product had a low yield and required the introduction of additional chemicals. The analysis results of raw and purified powders, the decontamination efficiency, and plans are described in the article.

show abstract

Li2100deplMoO4 Scintillating Bolometers for Rare-Event Search Experiments

Bandac,

Barabash,

Bergé

et al. 2023

Sensors

Self Cite

View full text Add to dashboard Cite

We report on the development of scintillating bolometers based on lithium molybdate crystals that contain molybdenum that has depleted into the double-β active isotope 100Mo (Li2100deplMoO4). We used two Li2100deplMoO4 cubic samples, each of which consisted of 45-millimeter sides and had a mass of 0.28 kg; these samples were produced following the purification and crystallization protocols developed for double-β search experiments with 100Mo-enriched Li2MoO4 crystals. Bolometric Ge detectors were utilized to register the scintillation photons that were emitted by the Li2100deplMoO4 crystal scintillators. The measurements were performed in the CROSS cryogenic set-up at the Canfranc Underground Laboratory (Spain). We observed that the Li2100deplMoO4 scintillating bolometers were characterized by an excellent spectrometric performance (∼3–6 keV of FWHM at 0.24–2.6 MeV γs), moderate scintillation signal (∼0.3–0.6 keV/MeV scintillation-to-heat energy ratio, depending on the light collection conditions), and high radiopurity (228Th and 226Ra activities are below a few µBq/kg), which is comparable with the best reported results of low-temperature detectors that are based on Li2MoO4 using natural or 100Mo-enriched molybdenum content. The prospects of Li2100deplMoO4 bolometers for use in rare-event search experiments are briefly discussed.

show abstract

Neutron Spectrometry With Scintillating Bolometers of LiF and Sapphire

Abstract: with a 15% uncertainty after 3 hours of live time. After our analysis, it can be concluded that nuclear recoils in sapphire are This paragraph of the first footnote will contain the date on which you submitted your paper for review.

Cited by 3 publications

References 44 publications

Scintillation in Low-Temperature Particle Detectors

Scintillation in Low-Temperature Particle Detectors

Selection and purification of Li2CO3 precursor for bolometric double beta decay experiments

Li2100deplMoO4 Scintillating Bolometers for Rare-Event Search Experiments

Contact Info

Product

Resources

About