Lowering the Energy Threshold of the CUORE Experiment: Benefits in the Surface Alpha Events Reconstruction

Campani, A.; Adams, Douglas Q.; Alduino, C.; Alfonso, K.; Avignone, F. T.; Azzolini, O.; Bari, G.; Bellini, F.; Benato, G.; Biassoni, M.; Branca, A.; Brofferio, C.; Bucci, C.; Caminata, A.; Canonica, L.; Cao, X. G.; Capelli, S.; Cappelli, L.; Cardani, L.; Carniti, P.; Casali, N.; Chiesa, D.; Chott, N.; Clemenza, M.; Copello, S.; Cosmelli, C.; Cremonesi, O.; Creswick, R. J.; D’Addabbo, A.; D’Aguanno, D.; Dafinei, I.; Davis, C. J.; Dell’Oro, S.; Domizio, S. Di; Dompè, V.; Fang, Deqing; Fantini, G.; Faverzani, M.; Ferri, E.; Ferroni, F.; Fiorini, E.; Franceschi, M. A.; Freedman, S. J.; Fujikawa, B. K.; Giachero, A.; Gironi, L.; Giuliani, A.; Gorla, P.; Gotti, C.; Gutierrez, T. D.; Han, K.; Heeger, K. M.; Huang, R. G.; Huang, H. Z.; Johnston, J.; Keppel, G.; Kolomensky, Yu. G.; Ligi, C.; G., Y.; Ma, L.; Marini, L.; Maruyama, R.; Mei, Y.; Moggi, N.; Morganti, S.; Napolitano, T.; Nastasi, M.; Nikkel, J.; Nones, C.; Norman, E. B.; Novati, V.; Nucciotti, A.; Nutini, I.; O’Donnell, T.; Ouellet, J. L.; Pagliarone, C.; Pagnanini, L.; Pallavicini, M.; Pattavina, L.; Pavan, M.; Pessina, G.; Pettinacci, V.; Pira, C.; Pirro, S.; Pozzi, S.; Previtali, E.; Puiu, A.; Rosenfeld, C.; Rusconi, C.; Sakai, M.; Sangiorgio, S.; Schmidt, Benjamin; Scielzo, N. D.; Sharma, V.; Singh, V.; Sisti, M.; Speller, D.; Taffarello, L.; Terranova, F.; Tomei, C.; Vignati, M.; Wagaarachchi, S. L.; Wang, B. S.; Welliver, B.; Wilson, J. R.; Wilson, K.; Winslow, L. A.; Zanotti, L.; Zimmermann, S.; Zucchelli, S.

doi:10.1007/s10909-020-02487-2

Cited by 9 publications

(8 citation statements)

References 10 publications

(11 reference statements)

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“…During data acquisition, we save continuous detector waveforms that are digitally triggered offline. To increase the signal-to-noise ratio (SNR) and study low energy phenomena, we apply a low threshold trigger algorithm based on the optimum filter (OF) technique [30,31]. We divide our data into time periods of one to two months characterized by the same operating conditions and refer to them collectively as datasets.…”

Section: The Cuore Experimentsmentioning

confidence: 99%

Search for Neutrinoless $β^+EC$ Decay of $^{120}$Te with CUORE

Adams,

Alduino,

Alfonso

et al. 2022

Preprint

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CUORE is a large scale cryogenic experiment searching for neutrinoless double beta decay (0νββ) in 130 Te. The CUORE detector is made of natural tellurium, providing the possibility of rare event searches on isotopes other than 130 Te. In this work we describe a search for neutrinoless positron emitting electron capture (β + EC) decay in 120 Te with a total TeO2 exposure of 355.7 kg • yr, corresponding to 0.2405 kg • yr of 120 Te. Albeit 0νβ − β − with two final state electrons represents

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Section: The Cuore Experimentsmentioning

confidence: 99%

Search for Neutrinoless $β^+EC$ Decay of $^{120}$Te with CUORE

Adams,

Alduino,

Alfonso

et al. 2022

Preprint

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“…We set a common analysis threshold of 40 keV to guarantee that our trigger efficiency is above 90% for the majority (97%) of our detectors while also being low enough to reliably remove multi-Compton events from the ROI with the anti-coincidence cut. Our improved ability to detect low-energy events using this OT method also increases the efficiency with which we can reconstruct events that release energy in more than one calorimeter, improving our background reconstruction ability [49,53].…”

Section: Acknowledgmentsmentioning

confidence: 99%

Search for Majorana neutrinos exploiting millikelvin cryogenics with CUORE

Adams,

Alduino,

Alfonso

et al. 2021

Preprint

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“…The data analysis procedure is described in detail in [70] and mostly follows the strategy adopted for CUORE-0 [96]. Recent improvements include a significant lowering of the detectors energy threshold thanks to the application of the optimum trigger algorithm based on the matched filter technique [98,99] and the introduction of a new methodology for pulse shape analysis with higher efficiencies [100]. The energy thresholds have a relevant role on the effectiveness of the anti-coincidence analysis.…”

Section: Beyond Standard Model Decay Of 130 Tementioning

confidence: 99%

Status and Perspectives on Rare Decay Searches in Tellurium Isotopes

2021

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Neutrinoless double beta decay (0νββ) is a posited lepton number violating decay whose search is an increasingly active field in modern astroparticle physics. A discovery would imply neutrinos are Majorana particles and inform neutrino physics, cosmology and beyond-standard-model theories. Among the few nuclei where double beta decay (ββ) is allowed, tellurium isotopes stand for their high natural abundance and are currently employed in multiple experiments. The search for 0νββ will provide large exposure data sets in the coming years, paving the way for unprecedented sensitivities. We review the latest rare decay searches in tellurium isotopes and compare past results with theories and prospects from running experiments.

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Lowering the Energy Threshold of the CUORE Experiment: Benefits in the Surface Alpha Events Reconstruction

Cited by 9 publications

References 10 publications

Search for Neutrinoless $β^+EC$ Decay of $^{120}$Te with CUORE

Search for Neutrinoless $β^+EC$ Decay of $^{120}$Te with CUORE

Search for Majorana neutrinos exploiting millikelvin cryogenics with CUORE

Status and Perspectives on Rare Decay Searches in Tellurium Isotopes

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