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arXiv · hep-ph/9812481

High $Q^2$ Physics at HERA and Searches for New Particles

T. Matsushita·E. Perez·R. Rückl
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Abstract

Preliminary results from H1 and ZEUS on Deep Inelastic Scattering (DIS) at high momentum transfer squared $Q^2$ are presented. Used are all available $e^+ p$ data accumulated by the H1 and ZEUS experiments between 1994 and 1997, corresponding to integrated luminosities of $37 {pb}^{-1}$ and $47 {pb}^{-1}$, respectively. The anomalies observed at high $Q^2$ in the 1994 to 1996 data still remain, though with less significance. Since this high $Q^2$ domain represents a new frontier in DIS, the same data are used to search for new particles possessing direct couplings to lepton-quark pairs. Assuming that the slight excess of events observed in Neutral Current DIS is due to a statistical fluctuation, preliminary limits on the production of leptoquarks and of squarks in R-parity violating MSSM are presented.

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T. Matsushita, E. Perez, R. Rückl. 1998-12-22. High $Q^2$ Physics at HERA and Searches for New Particles. https://doi.org/10.1088/0954-3899%2F25%2F7%2F319

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