Muon-pair production in the left-right symmetric model at a Z0-factory

The potential for probing the impacts of the left-right symmetric model (LRM) on the process e + e − → µ + µ − at a proposed Z 0 -factory is investigated. Under different electron-positron polarization collision modes, we calculate and compare the deviations of various observables in the framework o...

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Veröffentlicht in:Science China. Physics, mechanics & astronomy mechanics & astronomy, 2010-11, Vol.53 (11), p.1975-1980
Hauptverfasser: Mahfoudh, A. B., Sun, Wei, Ma, WenGan, Zhang, RenYou, Guo, Lei, Han, Liang, Jiang, Yi
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Sprache:eng
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Zusammenfassung:The potential for probing the impacts of the left-right symmetric model (LRM) on the process e + e − → µ + µ − at a proposed Z 0 -factory is investigated. Under different electron-positron polarization collision modes, we calculate and compare the deviations of various observables in the framework of the LRM from the standard model (SM) predictions, such as the total cross section, the distribution of the transverse momentum of µ − , and the forward-backward charge asymmetry of µ − . In addition, we present the relations between the observables and the LRM parameters. We conclude that it is possible to observe the effects of the LRM on the process e + e − → µ + µ − by using optimal observables and favorable parameters at a Z 0 -factory.
ISSN:1674-7348
1869-1927
DOI:10.1007/s11433-010-4073-3