Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-08-29
Phys.Lett.B420:307-313,1998
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, LaTeX and 5 encapsulated postscript figures. Requires axodraw macro
Scientific paper
10.1016/S0370-2693(97)01559-1
We propose a new method of detecting supersymmetry at LEP2 when R-parity is violated by an LLE operator. We consider the processes $e\gamma\ra\snu_j e_k$ and $e\gamma \ra \slep_k \bar{\nu}_j$. These are sensitive to seven of the nine LLE-operators. A Monte-Carlo analysis is performed to investigate the sensitivity to the sneutrino signal, and the 5$\sigma$ discovery contours in the mass vs. coupling plane are presented. For an integrated luminosity of 100 pb^-1, sneutrinos with masses up to 170 GeV/c^2 could be discovered in the near future at LEP2. For the charged slepton production the cross-section is too low to be detectable.
Allanach Ben C.
Dreiner Herbi
Morawitz Peter
Williams Michael D.
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