SCALAR-PSEUDOSCALAR INTERACTIONS IN NEUTRINO-ELECTRON SCATTERING

被引:2
|
作者
Gaitan, R. [1 ]
Garces, E. A. [2 ]
Miranda, O. G. [2 ]
De Oca Y, J. H. Montes [1 ]
机构
[1] UNAM, FES Cuautitlan, Dept Fis, Cuautitlan 54700, Estado De Mexic, Mexico
[2] Ctr Invest Estudios Avanzados IPN, Dept Fis, Mexico City 07000, DF, Mexico
来源
关键词
Neutrino interactions; physics beyond the Standard Model; extra Higgs bosons; DECAYS; LEPTON;
D O I
10.1142/S0217751X13501248
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
Many extensions to the Standard Model imply the existence of new charged scalar Higgs bosons. We study the contribution of a general scalar or pseudoscalar coupling for the neutrino-electron scattering. We take a phenomenological approach in order to obtain model independent limits to the couplings that arise in this picture. We illustrate the reach of the constraints by studying the particular case of the type III two Higgs doublet model, where we have found new constraints to some elements of the Yukawa couplings mixing matrix (vertical bar Y-ee vertical bar <= 1 x 10(-1) and vertical bar Y-e mu vertical bar <= 7 x 10(-2) at 90% CL).
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页数:10
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