000127032 001__ 127032
000127032 005__ 20240705134220.0
000127032 0247_ $$2doi$$a10.1140/epjc/s10052-023-11519-6
000127032 0248_ $$2sideral$$a134361
000127032 037__ $$aART-2023-134361
000127032 041__ $$aeng
000127032 100__ $$aAhmine, A.
000127032 245__ $$aEnhanced light signal for the suppression of pile-up events in Mo-based bolometers for the 0¿ßß decay search
000127032 260__ $$c2023
000127032 5060_ $$aAccess copy available to the general public$$fUnrestricted
000127032 5203_ $$aRandom coincidences of events could be one of the main sources of background in the search for neutrino-less double-beta decay of 100Mo with macro-bolometers, due to their modest time resolution. Scintillating bolometers as those based on Li2MoO4 crystals and employed in the CROSS and CUPID experiments can eventually exploit the coincident fast signal detected in a light detector to reduce this background. However, the scintillation provides a modest signal-to-noise ratio, making difficult a pile-up pulse-shape recognition and rejection at timescales shorter than a few ms. Neganov–Trofimov–Luke assisted light detectors (NTL-LDs) offer the possibility to effectively increase the signal-to-noise ratio, preserving a fast time-response, and enhance the capability of pile-up rejection via pulse shape analysis. In this article we present: (a) an experimental work performed with a Li2MoO4 scintillating bolometer, studied in the framework of the CROSS experiment, and utilizing a NTL-LD; (b) a simulation method to reproduce, synthetically, randomly coincident two-neutrino double-beta decay events; (c) a new analysis method based on a pulse-shape discrimination algorithm capable of providing high pile-up rejection efficiencies. We finally show how the NTL-LDs offer a balanced solution between performance and complexity to reach background index ∼ 10−4 counts/keV/kg/year with 280 g Li2MoO4 (100Mo enriched) bolometers at 3034 keV, the Qββ of the double-beta decay, and target the goal of a next generation experiment like CUPID.
000127032 536__ $$9info:eu-repo/grantAgreement/EC/H2020/742345/EU/Cryogenic Rare-event Observatory with Surface Sensitivity/CROSS$$9This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No H2020 742345-CROSS
000127032 540__ $$9info:eu-repo/semantics/openAccess$$aby$$uhttp://creativecommons.org/licenses/by/3.0/es/
000127032 592__ $$a1.451$$b2023
000127032 593__ $$aPhysics and Astronomy (miscellaneous)$$c2023$$dQ1
000127032 593__ $$aEngineering (miscellaneous)$$c2023$$dQ1
000127032 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000127032 700__ $$aArmatol, A.
000127032 700__ $$aBandac, I.
000127032 700__ $$aBergé, L.
000127032 700__ $$aCalvo-Mozota, J. M.
000127032 700__ $$aCarniti, P.
000127032 700__ $$aChapellier, M.
000127032 700__ $$aDixon, T.
000127032 700__ $$aDumoulin, L.
000127032 700__ $$aGiuliani, A.
000127032 700__ $$aGras, Ph.
000127032 700__ $$aFerri, F.
000127032 700__ $$aImbert, L.
000127032 700__ $$aKhalife, H.
000127032 700__ $$aLoaiza, P.
000127032 700__ $$ade Marcillac, P.
000127032 700__ $$aMarnieros, S.
000127032 700__ $$aMarrache-Kikuchi, C. A.
000127032 700__ $$aNones, C.
000127032 700__ $$aOlivieri, E.
000127032 700__ $$0(orcid)0000-0001-8278-6032$$aOrtiz de Solórzano, A.$$uUniversidad de Zaragoza
000127032 700__ $$aPessina, G.
000127032 700__ $$aPoda, D. V.
000127032 700__ $$aRedon, Th.
000127032 700__ $$aScarpaci, J. A.
000127032 700__ $$aVelázquez, M.
000127032 700__ $$aZolotarova, A.
000127032 7102_ $$12004$$2X$$aUniversidad de Zaragoza$$bDpto. Física Teórica$$cÁrea Técnica. Lab. y Talleres
000127032 773__ $$g83, 5 (2023), 373 [9 pp]$$pEur. phys. j., C$$tThe European Physical Journal C$$x1434-6044
000127032 8564_ $$s1744735$$uhttps://zaguan.unizar.es/record/127032/files/texto_completo.pdf$$yVersión publicada
000127032 8564_ $$s2497409$$uhttps://zaguan.unizar.es/record/127032/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000127032 909CO $$ooai:zaguan.unizar.es:127032$$particulos$$pdriver
000127032 951__ $$a2024-07-05-12:53:55
000127032 980__ $$aARTICLE