Development of cryogenic calorimeters to measure the spectral shape of In-115 beta decay

Abstract

The spectral shape of forbidden beta-decays is a crucial benchmark for nuclear physics calculations and has important implications also for astroparticle physics experiments. Among the interesting isotopes in this field, ${}^{115}$In is an excellent candidate, being a primordial nuclide featuring a good compromise among Q-value (497.954 keV) and half-life (4.41$\times$10${}^{14}$ yr). In this paper, we propose to exploit a cryogenic calorimeter based on In${}_2$O${}_3$ crystal to perform a high-precision measurement of the $\beta$-decay energy spectrum, discussing also the results obtained within a preliminary test of this crystal and the next steps to improve the detector performance.

References in corpus (6)

• Precise measurement of $2\nu \beta \beta$ decay of ${}^{100}$Mo with the CUPID-Mo detection technology
• Measurement of the 2$\nu \beta \beta$ Decay Half-life of ${}^{130}$Te with CUORE
• Characterization of a Silicon Drift Detector for High-Resolution Electron Spectroscopy
• Cryogenic light detectors with enhanced performance for rare events physics
• A new investigation of half-lives for the decay modes of ${}^{50}$V
• Na-based crystal scintillators for next-generation rare event searches

Cited by in corpus (3)

• Radiopurity of a kg-scale PbWO${}_4$ cryogenic detector produced from archaeological Pb for the RES-NOVA experiment
• Array of Cryogenic Calorimeters to Evaluate the Spectral Shape of forbidden $\beta$-decays: the ACCESS project
• Simultaneous Measurement of Half-Life and Spectral Shape of ${}^{115}$In $\beta$-decay with an Indium Iodide Cryogenic Calorimeter