Slepton pair production in e+e- collision in supersymmetric left-right model

Abstract

The pair production of sleptons in electron-positron collisions is investigated in a supersymmetric left-right model. The cross section is found considerably larger than in the minimal supersymmetric version of the Standard Model (MSSM) because of more contributing graphs. A novel process is a doubly charged higgsino exchange in u-channel, which makes the angular distribution of the final state particles and the final state asymmetries to differ from those of the MSSM. It also allows for the flavour non-diagonal final states $\tilde{e}\tilde{\mu }$, $\tilde{e}\tilde{\tau }$ and $\tilde{\mu }\tilde{\tau }$, forbidden in the MSSM. These processes also give indirect information about neutrino mixings since they depend on the same couplings as the Majorana mass terms of the right-handed neutrinos.

13 pages + 4figures available upon request, HU-SEFT R 1993-17

Cited by in corpus (30)

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• Particle Mass Limits in Minimal and Nonminimal Supersymmetric Models
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