Light active and sterile neutrinos from compositeness

被引:49
作者
Arkani-Hamed, N [1 ]
Grossman, Y [1 ]
机构
[1] Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA
关键词
D O I
10.1016/S0370-2693(99)00672-3
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Neutrinos can have naturally small Dirac masses if the Standard Model singlet right-handed neutrinos are light composite fermions. Theories which produce light composite fermions typically generate many of them, three of which can marry the left-handed neutrinos with small Dirac masses. The rest can serve as sterile states which can mix with the Standard Model neutrinos. We present explicit models illustrating this idea. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:179 / 182
页数:4
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