First Measurement of the Partial Widths of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi>Bi</mml:mi><mml:mprescripts /><mml:none /><mml:mn>209</mml:mn></mml:mmultiscripts></mml:math>Decay to the Ground and to the First Excited States

Beeman, J. W.; Biassoni, M.; Brofferio, C.; Bucci, C.; Capelli, S.; Cardani, L.; Carrettoni, M.; Clemenza, M.; Cremonesi, O.; Ferri, E.; Giachero, A.; Gironi, L.; Gorla, P.; Gotti, C.; Nucciotti, A.; Maiano, C.; Pattavina, L.; Pavan, M.; Pessina, G.; Pirro, S.; Previtali, E.; Sisti, M.; Zanotti, L.

doi:10.1103/physrevlett.108.062501

Cited by 38 publications

(12 citation statements)

References 12 publications

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“…The region of interest (ROI) in rare α decay searches is dominated by natural γ and β radioactivity, as well as by cosmic rays. The identification of α particles combined with the typically high energy resolution of bolometric detectors allow the realization of a nearly "background-free" experiment even at a surface laboratory, as for example, the first detection of the 209 Bi α decay [133], the rarest α decay observed (together with the 209 Bi α transition to the first excited level of 205 Tl [134]). Often, such experiments are by-products of scintillating bolometer development for dark matter and double-beta decay search programs.…”

Section: Rare Alpha Decaymentioning

confidence: 99%

“…This discovery has been made with the above-mentioned 46 and 91 g BGO scintillating bolometers. Furthermore, about twice higher L/H γ(β) , 16.6 keV/MeV, measured with a large-volume (50 × 50 × 50 mm, 891 g) BGO scintillating bolometer working in coincidences with a SiO 2 -coated Ge LD ( 36 × 0.3 mm) was exploited to detect the 209 Bi α decay transition to the first excited state of 205 Tl [134]. It is worth noting that the LD energy resolution was measured as 3.5% FWHM at 2615 keV [134,548].…”

Section: Bismuth Germanatementioning

confidence: 99%

“…Furthermore, about twice higher L/H γ(β) , 16.6 keV/MeV, measured with a large-volume (50 × 50 × 50 mm, 891 g) BGO scintillating bolometer working in coincidences with a SiO 2 -coated Ge LD ( 36 × 0.3 mm) was exploited to detect the 209 Bi α decay transition to the first excited state of 205 Tl [134]. It is worth noting that the LD energy resolution was measured as 3.5% FWHM at 2615 keV [134,548]. Last but not least, the operation of a 4-crystal array of 0.89-kg BGO bolometers coupled to a single Ge LD ( 50 × 0.3 mm) at LNGS has enabled competitive searches for axioelectric absorption of solar axions [550].…”

Section: Bismuth Germanatementioning

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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Section: Rare Alpha Decaymentioning

confidence: 99%

Section: Bismuth Germanatementioning

confidence: 99%

Section: Bismuth Germanatementioning

confidence: 99%

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Scintillation in Low-Temperature Particle Detectors

Poda

2021

Physics

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“…The first application of Apollo dates back to 2008 when one of its first prototypes was used for the bolometric tests of the CUORE crystals as they were being produced and shipped to LNGS [53]. Since then the system was used in several other cryogenic measurements [7,8,22,26,27,37,[54][55][56][57][58][59][60][61][62][63]. In the following we give a brief description of the most representative applications of Apollo.…”

Section: Applications and Performancementioning

confidence: 99%

A data acquisition and control system for large mass bolometer arrays

et al. 2018

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A : During the last couple of decades, the use of arrays of bolometers has represented one of the leading techniques for rare events searches. CUORE, an array of 988 TeO 2 bolometers that is taking data since April 2017 at the Laboratori Nazionali del Gran Sasso (Italy), exploits the large mass, low background, good energy resolution and low energy threshold of these detectors successfully. Thanks to these characteristics, they could be also sensitive to low energy rare processes, such as galactic dark matter interactions. In this paper we describe the data acquisition system that was developed for the CUORE experiment. Thanks to its high modularity, the data acquisition here described has been used in different setups with similar requirements, including the pilot experiment CUORE-0 and the demonstrator for the next phase of the project, CUPID-0, also taking data at LNGS. K: CUORE CUPID-0 bolometers data acquisition double beta decay 1Corresponding author

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“…LUCIFER aims at deploying the first array of enriched scintillating bolometers for the investigation of DBD in Zn 82 Se (Zn 100 MoO 4 ) crystals. Scintillating bolometers combine: an excellent energy resolution [8], high detection efficiency [9], particle discrimination [7], and a wide choice of absorber materials [2]. In this bolometric approach the crystal acts as the source and the detector at the same time.…”

Section: Introductionmentioning

confidence: 99%

Hands on LUCIFER: particle discrimination in ZnMoO4 crystals

Nebot-Guinot¹,

Kaczmarski²,

Pattavina³

2015

Proceedings of Gran Sasso Summer Institute 2014 Hands-on Experimental Underground Physics at LNGS — PoS(GSSI14)

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The students will carry out the experimental activity in the frame of the LUCIFER project. The activity foresees the assembly and operation of bolometric detectors. In the specific, the students will directly put hands on the detector, designing and constructing a scintillating bolometer. The detector will be installed in a dilution refrigerator and operated at 10 mK. Finally, the students will analyze some preliminary data from the running setup.

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First Measurement of the Partial Widths ofBi209Decay to the Ground and to the First Excited States

Cited by 38 publications

References 12 publications

Scintillation in Low-Temperature Particle Detectors

Scintillation in Low-Temperature Particle Detectors

A data acquisition and control system for large mass bolometer arrays

Hands on LUCIFER: particle discrimination in ZnMoO4 crystals

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