Ross, G. G. and Weiler, T. (1979) Is there a new neutral current? Journal of Physics G: Nuclear and Particle Physics, 5 (6). pp. 733-745. ISSN 0954-3899 http://resolver.caltech.edu/CaltechAUTHORS:20120726-114408868
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In order to study possible new neutral-current structures, the authors construct the most general SU(2)*U(1)*U'(1) extension of the Weinberg-Salam model and write down its effective Lagrangian. It is shown how the successful predictions of the Weinberg-Salam model in the neutrino section may be naturally maintained by restricting the representations of the Higgs scalars and the neutrinos. They also show how the effective neutral current may conserve parity in some or all channels, allowing for an absence of parity-violating transitions in bismuth and other atoms. Included in the analysis is the polarised electron-hadron asymmetry recently measured at SLAC. Tests to establish the existence of the new neutral current are considered.
|Additional Information:||© 1979 The Institute of Physics. Received 12 January 1979. Work supported in part by the US Energy Research and Development Administration under Contract EY76- C-03-0068, and by the Science Research Council Grant NG 05442. TW expresses his gratitude to G Fox and J Ellis for their hospitality at Caltech and CERN, respectively. GR would like to thank V Barger for his hospitality at the University of Wisconsin and the secretariat there for their help in preparing this paper. We thank J Ellis and G Kane for informative discussions.|
|Classification Code:||PACS: 11.30.Ly, 11.30.Er, 14.60.Lm, 12.15.Mm, 13.66.De|
|Official Citation:||Is there a new neutral current? G G Ross and T Weiler 1979 J. Phys. G: Nucl. Phys. 5 733|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ruth Sustaita|
|Deposited On:||26 Jul 2012 21:43|
|Last Modified:||26 Jul 2012 21:43|
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