Neutral currents in left-right symmetric gauge models

Bajaj, Jatinder K. ; Rajasekaran, G. (1979) Neutral currents in left-right symmetric gauge models Pramana - Journal of Physics, 12 (4). pp. 397-417. ISSN 0304-4289

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We analyse all the neutral-current phenomena following from the general class of gauge models based on the group SU(2) L ⊗ SU(2) R⊗ U(1). It is found that the neutral-current couplings in these models bear a remarkable similarity to those in the standard Weinberg-Salam gauge model. The parameter which plays the role of sin2ϑ w is found to lie between 0 and ½. Comparison with experimental data shows that even a model with the ratio of the masses of the two Z bosons as small as 1·9 is not ruled out.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
Keywords:Neutral currents; Gauge models; SU(2)L ⊗ SU(2)R ⊗ U(1); Neutrino; Parity-violation
ID Code:41074
Deposited On:26 May 2011 10:14
Last Modified:17 May 2016 22:56

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