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Neutrino physics with the PTOLEMY project: active neutrino properties and the light sterile case

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Neutrino physics with the PTOLEMY project: active neutrino properties and the light sterile case

dc.contributor.author	Betti, M. G.
dc.contributor.author	Biasotti, M.
dc.contributor.author	Bosca, A.
dc.contributor.author	Calle, F.
dc.contributor.author	Cavoto, G.
dc.contributor.author	Chang, C.
dc.contributor.author	Cocco, A. G.
dc.contributor.author	Colijn, A. P.
dc.contributor.author	Conrad, J.
dc.contributor.author	D'Ambrosio, N.
dc.contributor.author	Fernández de Salas, Pablo
dc.contributor.author	Faverzani, M.
dc.contributor.author	Ferella, A.
dc.contributor.author	Ferri, E.
dc.contributor.author	Garcia-Abia, P.
dc.contributor.author	Garcia Gomez-Tejedor, G.
dc.contributor.author	Gariazzo, Stefano
dc.contributor.author	Gatti, F.
dc.contributor.author	Gentile, C.
dc.contributor.author	Giachero, A.
dc.contributor.author	Gudmundsson, J. E.
dc.contributor.author	Hochberg, Y.
dc.contributor.author	Kahn, Y.
dc.contributor.author	Kievsky, A.
dc.contributor.author	Lisanti, M.
dc.contributor.author	Mancini-Terracciano, C.
dc.contributor.author	Mangano, Gianpiero
dc.contributor.author	Marcucci, L. E.
dc.contributor.author	Mariani, C.
dc.contributor.author	Martinez, J.
dc.contributor.author	Messina, M.
dc.contributor.author	Molinero-Vela, A.
dc.contributor.author	Monticone, E.
dc.contributor.author	Nucciotti, A.
dc.contributor.author	Pandolfi, F.
dc.contributor.author	Pastor Carpi, Sergio
dc.contributor.author	Pedrós, J.
dc.contributor.author	Pérez de los Heros, C.
dc.contributor.author	Pisanti, Ofelia
dc.date.accessioned	2020-06-29T09:42:58Z
dc.date.available	2020-06-29T09:42:58Z
dc.date.issued	2019
dc.identifier.citation	Betti, M. G. Biasotti, M. Bosca, A. Calle, F. Cavoto, G. Chang, C. Cocco, A. G. Colijn, A. P. Conrad, J. D'Ambrosio, N. Fernández de Salas, Pablo Faverzani, M. Ferella, A. Ferri, E. Garcia-Abia, P. Garcia Gomez-Tejedor, G. Gariazzo, Stefano Gatti, F. Gentile, C. Giachero, A. Gudmundsson, J. E. Hochberg, Y. Kahn, Y. Kievsky, A. Lisanti, M. Mancini-Terracciano, C. Mangano, Gianpiero Marcucci, L. E. Mariani, C. Martinez, J. Messina, M. Molinero-Vela, A. Monticone, E. Nucciotti, A. Pandolfi, F. Pastor Carpi, Sergio Pedrós, J. Pérez de los Heros, C. Pisanti, Ofelia 2019 Neutrino physics with the PTOLEMY project: active neutrino properties and the light sterile case Journal Of Cosmology And Astroparticle Physics 07 047-1 047-29
dc.identifier.uri	https://hdl.handle.net/10550/75203
dc.description.abstract	The PTOLEMY project aims to develop a scalable design for a Cosmic Neutrino Background (CNB) detector, the first of its kind and the only one conceived that can look directly at the image of the Universe encoded in neutrino background produced in the first second after the Big Bang. The scope of the work for the next three years is to complete the conceptual design of this detector and to validate with direct measurements that the non-neutrino backgrounds are below the expected cosmological signal. In this paper we discuss in details the theoretical aspects of the experiment and its physics goals. In particular, we mainly address three issues. First we discuss the sensitivity of PTOLEMY to the standard neutrino mass scale. We then study the perspectives of the experiment to detect the CNB via neutrino capture on tritium as a function of the neutrino mass scale and the energy resolution of the apparatus. Finally, we consider an extra sterile neutrino with mass in the eV range, coupled to the active states via oscillations, which has been advocated in view of neutrino oscillation anomalies. This extra state would contribute to the tritium decay spectrum, and its properties, mass and mixing angle, could be studied by analyzing the features in the beta decay electron spectrum.
dc.language.iso	eng
dc.relation.ispartof	Journal Of Cosmology And Astroparticle Physics, 2019, vol. 07, p. 047-1-047-29
dc.subject	Cosmologia
dc.subject	Astrofísica
dc.title	Neutrino physics with the PTOLEMY project: active neutrino properties and the light sterile case
dc.type	journal article	es_ES
dc.date.updated	2020-06-29T09:42:59Z
dc.identifier.doi	10.1088/1475-7516/2019/07/047
dc.identifier.idgrec	139262
dc.rights.accessRights	open access	es_ES