Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-08-29
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTeX file, 14 pages, 3 figures, uses epsfig, iopconf1. Presented at "Beyond the Desert 97 -- Accelerator and Non-Accelerator
Scientific paper
In supersymmetric theories with R-parity breaking, sleptons could be produced singly in $e^+e^-$ collisions at LEP2 and in $q\bar{q}$ annihilation at the Tevatron through interactions in which two quark or two lepton fields are coupled to a slepton field. At LEP they could manifest themselves in Bhabha scattering, and in the annihilation to $\mu^+\mu^-$, \taus, and $q\bar{q}$ pairs. The formation of sneutrinos, $e^+e^-\ra \ti{\nu}$, and their signals for a mass within the reach of this machine, is an exciting speculation which can be investigated in the coming LEP2 runs with energies close to $\sqrt{s}=200$ GeV. At the Tevatron the sleptons can be searched for as resonances in $p\bar{p}\to \tilde{\nu} \to \ell^+\ell^-$ and $\tilde{\ell}\to \ell\nu $ final states. Existing LEP2 and Tevatron data can be exploited to derive bounds on the Yukawa couplings of sleptons to quark and lepton pairs.
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