Ядерна фізика та енергетика Nuclear Physics and Atomic Energy   ISSN: 1818-331X (Print), 2074-0565 (Online)   Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine   Languages: Ukrainian, English, Russian   Periodicity: 4 times per year   Open access peer reviewed journal

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R. Bernabei^1,2,*, P. Belli^1,2, F. Cappella^3,4, V. Caracciolo⁵, R. Cerulli^1,2, C. J. Dai⁶, A. d’Angelo^3,4, A. Di Marco², H. L. He⁶, A. Incicchitti^3,4, X. H. Ma⁶, V. Merlo^1,2, F. Montecchia^2,7, X. D. Sheng⁶, Z. P. Ye<sup>6,8

1</sup> Dipartimento di Fisica, Università di Roma "Tor Vergata", Rome, Italy
² INFN, sez. Roma "Tor Vergata", Rome, Italy
³ Dipartimento di Fisica, Università di Roma "La Sapienza", Rome, Italy
⁴ INFN, Sezione di Roma, Rome, Italy
⁵ INFN Laboratori Nazionali del Gran Sasso, Assergi, Italy
⁶ Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, P.R. China
⁷ Dipartimento Ingegneria Civile e Ingegneria Informatica, Università di Roma "Tor Vergata", Rome, Italy
⁸ University of Jinggangshan, Ji'an, Jiangxi, P.R. China

^*Corresponding author. E-mail address: rita.bernabei@roma2.infn.it

Abstract: Several of the many proposed Dark Matter candidate particles, already investigated with lower exposure and a higher software energy threshold, are further analyzed including the first DAMA/LIBRA-phase2 data release, with an exposure of 1.13 t×yr and a lower software energy threshold (1 keV). The cumulative exposure above 2 keV considering also DAMA/NaI and DAMA/LIBRA-phase1 results is now 2.46 t×yr. The analysis permits to constrain the parameters' space of the considered candidates restricting their values – with respect to previous analyses – thanks to the increase of the exposure and to the lower energy threshold.

Keywords: Dark Matter, elementary particle processes, scintillation detectors.

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