Chinese Physics C > 1981, Vol. 5 > Issue(3): 298-306

DISCUSSION OF ASU(2)×U(1)×S₃MODEL WITH TWO HIGGS DOUBLETS AND CALCULATION OF CABIBBO-LIKE-PARAMETERS

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Abstract：
In this paper a SU(2)× U(1)× S ₃model with two Higgs doublets is discussed in detail. It is shown that besides the case discussed by Segre et al., there is another physically interesting case. We investigate the latter in detail. In This case, taking the quark masses and the Cabibbo angle θ ₁as input parameters, we can obtain Cabibbo angles θ ₂and θ ₃which have the same order of magnitude as θ ₁. Finally the appearance of a pseudo Goldstone boson in the model is discussed, a method to overcome the difficulty is given, and the physical results of this case which do not contradict with the experiments are discussed.

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MA ZHONG-QI, DONG FANG-XIAO, YUE ZONG-WU, ZHOU XIAN-JIAN and XUE PEI-YOU. DISCUSSION OF A SU(2)× U(1)× S ₃MODEL WITH TWO HIGGS DOUBLETS AND CALCULATION OF CABIBBO-LIKE-PARAMETERS[J]. Chinese Physics C, 1981, 5(3): 298-306.

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Received: 1980-01-28
Revised: 1900-01-01

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