Short-baseline electron neutrino oscillation length after the Troitsk experiment

被引：34

作者：

Giunti, C. ^{[1
]}

Laveder, M. ^{[1
,2
,3
]}

Li, Y. F. ^{[4
]}

Long, H. W. ^{[5
]}

机构：

[1] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy

[2] Univ Padua, Dipartimento Fis & Astron G Galilei, I-35131 Padua, Italy

[3] Ist Nazl Fis Nucl, Sez Padova, I-35131 Turin, Italy

[4] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China

[5] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China

来源：

PHYSICAL REVIEW D | 2013年 / 87卷 / 01期

基金：

中国国家自然科学基金;

关键词：

REACTOR; PHENOMENOLOGY; DECAY; MASS;

D O I：

10.1103/PhysRevD.87.013004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss the implications for short-baseline electron neutrino disappearance in the 3 + 1 mixing scheme of the recent Troitsk bounds on the mixing of a neutrino with mass between 2 and 100 eV. Considering the Troitsk data in combination with the results of short-baseline nu(e) and (nu) over bar (e) disappearance experiments, which include the reactor and Gallium anomalies, we derive a 2 sigma allowed range for the effective neutrino squared-mass difference between 0.85 and 43 eV(2). The upper bound implies that it is likely that oscillations in distance and/or energy can be observed in radioactive source experiments. It is also favorable for the ICARUS@CERN experiment, in which it is likely that oscillations are not washed out in the near detector. We discuss also the implications for neutrinoless double-beta decay. DOI: 10.1103/PhysRevD.87.013004

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