The growing interest in clarifying the controversial situation in the Dark Matter sector has driven the experimental efforts towards new ways to investigate the long-standing DAMA/LIBRA result. Among them, low-temperature calorimeters based on Na-containing scintillating crystals offer the possibility to clarify the nature of the measured signal via particle identification. Here we report the first preliminary measurement of Na-containing crystals, based on a material different from NaI, i.e. Na2Mo2O7 and Na2W2O7, pointing out their performance in terms of energy resolution, light yield, and particle identification.
Na-based crystal scintillators for next-generation rare event searches / Nagorny, S.; Rusconi, C.; Sorbino, S.; Beeman, J. W.; Bellini, F.; Cardani, L.; Grigorieva, V. D.; Pagnanini, L.; Nisi, S.; Novoselov, I. I.; Pirro, S.; Schaffner, K.; Shlegel, V. N.. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - 977:(2020), p. 164160. [10.1016/j.nima.2020.164160]
Na-based crystal scintillators for next-generation rare event searches
Bellini F.;
2020
Abstract
The growing interest in clarifying the controversial situation in the Dark Matter sector has driven the experimental efforts towards new ways to investigate the long-standing DAMA/LIBRA result. Among them, low-temperature calorimeters based on Na-containing scintillating crystals offer the possibility to clarify the nature of the measured signal via particle identification. Here we report the first preliminary measurement of Na-containing crystals, based on a material different from NaI, i.e. Na2Mo2O7 and Na2W2O7, pointing out their performance in terms of energy resolution, light yield, and particle identification.| File | Dimensione | Formato | |
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