Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1992-11-02
Nucl.Phys. B397 (1993) 3-34
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages, 11 figures upon request, Oxford Preprint, OUNP-92-13
Scientific paper
10.1016/0550-3213(93)90334-L
We summarize the signals at HERA in supersymmetric models with explicitly broken R-parity. As the most promising case, we consider in detail the resonant production of single squarks through an operator $L_1Q_i{ \bar D}_j$, a production process analogous to that for leptoquarks. However, the dominant decay of the squark to a quark and a photino leads to a very different experimental signature. We examine in particular the case where the photino decays to a positron and two quarks. Using a detailed Monte-Carlo procedure we obtain a discovery limit in the squark mass---Yukawa coupling plane. HERA can discover a squark for a mass as large as $270 \gev$ and for an R-parity violating Yukawa coupling as small as $5.8 \times 10^{-3}$.
Butterworth Jon
Dreiner Herbert
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