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Titolo:
Maki-Nakagawa-Sakata parameters from neutrino oscillations, single beta decay, and double beta decay - art. no. 013001
Autore:
Matsuda, K; Takeda, N; Fukuyama, T; Nishiura, H;
Indirizzi:
Ritsumeikan Univ, Dept Phys, Shiga 5258577, Japan Ritsumeikan Univ ShigaJapan 5258577 iv, Dept Phys, Shiga 5258577, Japan Osaka Inst Technol, Jr Coll, Dept Gen Educ, Asahi Ku, Osaka 5358585, JapanOsaka Inst Technol Osaka Japan 5358585 c, Asahi Ku, Osaka 5358585, Japan
Titolo Testata:
PHYSICAL REVIEW D
fascicolo: 1, volume: 6401, anno: 2001,
pagine: 3001 -
SICI:
0556-2821(20010701)6401:1<3001:MPFNOS>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
MAJORANA NEUTRINOS; MIXING ANGLES; CP VIOLATION; MASS; CONSTRAINTS; LIMITS; SPECTRUM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Matsuda, K Ritsumeikan Univ, Dept Phys, Shiga 5258577, Japan Ritsumeikan Univ Shiga Japan 5258577 ys, Shiga 5258577, Japan
Citazione:
K. Matsuda et al., "Maki-Nakagawa-Sakata parameters from neutrino oscillations, single beta decay, and double beta decay - art. no. 013001", PHYS REV D, 6401(1), 2001, pp. 3001

Abstract

We examine the constraints on the Maki-Nakagawa-Sakata lepton mixing matrix from the present and future experimental data of neutrino oscillation, tritium beta decay, and neutrinoless double beta decay for the Majorana neutrinos. We show that the small mixing angle solutions for solar neutrino problem are disfavored for small averaged mass ([m(nu)]) of neutrinoless doublebeta decay (less than or equal to0.01 eV) in the inverse neutrino mass hierarchy scenario. This is the case even in the normal mass hierarchy scenario except for a very restrictive value of the averaged neutrino mass (<(m(<nu>))over bar>) of single beta decay. The lower mass bound for <(m(<nu>))over bar> is given from the present neutrino oscillation data. We obtain some relations between [m(nu)] and <(m(<nu>))over bar>. The constraints on the Majorana CP violating phases are also given.

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Documento generato il 26/11/20 alle ore 11:35:17