Parametric resonance in oscillations of atmospheric neutrinos?

被引：81

作者：

Liu, QY ^{[1
]}

Mikheyev, SP

Smirnov, AY

机构：

[1] Scuola Int Super Studi Avanzati, I-34013 Trieste, Italy

[2] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Laquila, Italy

[3] Abdus Salam Int Ctr Theoret Phys, I-34100 Trieste, Italy

[4] Russian Acad Sci, Inst Nucl Res, Moscow 107370, Russia

来源：

PHYSICS LETTERS B | 1998年 / 440卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(98)01102-2

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider a solution of the atmospheric neutrino problem based on oscillations of muon neutrinos to sterile neutrinos: nu(mu) <-> nu(s). The zenith angle (Theta) dependences of the neutrino and upward-going muon fluxes in presence of these oscillations are studied. The dependences have characteristic form with two dips: at cos Theta = -0.6 divided by -0.2 and cos Theta = -1.0 + -0.8. The latter dip is due to parametric resonance in oscillations of neutrinos which cross the core of the earth. A comparison of predictions with data from the MACRO, Baksan and Super-Kamiokande experiments is given. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：319 / 326

页数：8

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