Search for electron capture in 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Lu</mml:mi><mml:mprescripts /><mml:none /><mml:mn>176</mml:mn></mml:mmultiscripts></mml:math>
 with a lutetium yttrium oxyorthosilicate scintillator

Ernesto, Ghezzer, Luigi; Nozzoli, F.; Nicolaidis, Riccardo; Iuppa, R.; Zuccon, P.; Santis, C. De

doi:10.1103/physrevc.107.045504

Cited by 3 publications

(3 citation statements)

References 27 publications

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“…2 the significance of a single module was studied. This study simulated a 1×1×2.5 mm 3 LuAG crystal with the resolution from [26]. The signal was generated as a gaussian at ground (61.3 keV) and excited state (92.6 keV).…”

Section: Projected Sensitivitymentioning

confidence: 99%

“…There are only six, known, long-lived (over a billion years) nuclides that undergo an electron capture (EC) decay, namely 40 K (1.29×10 12 yrs [7,8]), 50 V (2.2×10 17 yrs [9,10]), 138 La (1.6×10 11 yrs [11]), 123 Te (>10 16 -10 19 [12,13]), 180 Ta (>2.0×10 17 yrs [14,15]), and 176 Lu (>10 13 -10 14 yrs [16]), three of them have never been detected. The goal of the LUCE experiment (LUtetium sCintillation Experiment) is to measure the partial half-life of 176 Lu with a milli-Kelvin scintillating calorimeter in an ultralow-background facility.…”

mentioning

confidence: 99%

“…The goal of the LUCE experiment (LUtetium sCintillation Experiment) is to measure the partial half-life of 176 Lu with a milli-Kelvin scintillating calorimeter in an ultralow-background facility. Using low-temperature calorimeters is a new approach to this measurement and will lead to high sensitivity [16,17].…”

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confidence: 99%

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LUCE: A milli-Kelvin calorimeter experiment to study the electron capture of 176Lu

Fu,

Benato,

Bucci

et al. 2023

Preprint

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The LUCE (LUtetium sCintillation Experiment) project will search for the 176 Lu electron based on a milli-Kelvin calorimetric approach. This decay is of special interest in the field of nuclear structure, with implications for the s-process and for a better comprehension of the nuclear matrix elements of neutrinoless double beta decay (0νββ) and two-neutrino double beta decay (2νββ). Possible impacts also include the development of a new class of coherent elastic neutrino-nucleus scattering (CEνNS) and spin-dependent (independent) dark matter detectors. We report on the current status and design of a novel detector cryogenic-module for the measurement of the electron capture and detail a future measurement plan.

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Section: Projected Sensitivitymentioning

confidence: 99%

mentioning

confidence: 99%

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LUCE: A milli-Kelvin calorimeter experiment to study the electron capture of 176Lu

Fu,

Benato,

Bucci

et al. 2023

Preprint

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LUCE: A Milli-Kelvin Calorimeter Experiment to Study the Electron Capture of $$^{176}$$Lu

Fu,

Benato,

Bucci

et al. 2024

J Low Temp Phys

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Investigation of Electron Capture in ¹⁷⁶Lu with a LYSO crystal scintillator

Nozzoli,

Ghezzer,

Nicolaidis

et al. 2023

EPJ Web of Conf.

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The nuclide 176Lu is one of the few naturally occurring isotopes that are potentially unstable with respect to electron capture (EC). Although experimental evidence for 176Lu EC decay is still missing, this isotope is instead well known to β− decay into 176Hf with an half-life of about 38 Gyr. Previous searches for the 176Lu EC decay were performed by using a passive Lutetium source coupled with an HP-Ge spectrometer. Our approach uses a LYSO crystal both as Lutetium source and as an active detector and the obtained 176Lu EC branching ratio limits are 7 × 10−4 and 4.4 × 10−4 for the capture of the 1s and 2s electron, respectively. Previously known limits for the EC in 176Lu are improved by a factor 3 to 15 depending on the considered EC channel.

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Search for electron capture in Lu176 with a lutetium yttrium oxyorthosilicate scintillator

Cited by 3 publications

References 27 publications

LUCE: A milli-Kelvin calorimeter experiment to study the electron capture of 176Lu

LUCE: A milli-Kelvin calorimeter experiment to study the electron capture of 176Lu

LUCE: A Milli-Kelvin Calorimeter Experiment to Study the Electron Capture of $$^{176}$$Lu

Investigation of Electron Capture in ¹⁷⁶Lu with a LYSO crystal scintillator

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Search for electron capture in Lu176 with a lutetium yttrium oxyorthosilicate scintillator

Cited by 3 publications

References 27 publications

LUCE: A milli-Kelvin calorimeter experiment to study the electron capture of 176Lu

LUCE: A milli-Kelvin calorimeter experiment to study the electron capture of 176Lu

LUCE: A Milli-Kelvin Calorimeter Experiment to Study the Electron Capture of $$^{176}$$Lu

Investigation of Electron Capture in 176Lu with a LYSO crystal scintillator

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Investigation of Electron Capture in ¹⁷⁶Lu with a LYSO crystal scintillator