Searches for New Physics in ep Scattering at HERA

TL;DR

This paper presents recent results from HERA on searches for new physics, including leptoquark production and rare Standard Model processes, highlighting observed anomalies that may suggest physics beyond the Standard Model.

Contribution

It reports new experimental results from HERA, including potential signals of new physics such as leptoquarks and anomalies in rare processes, with interpretations of these findings.

Findings

Observed excess of events with isolated leptons and missing transverse momentum.

Detected multi-lepton events in regions with low Standard Model prediction.

Discussed possible interpretations involving physics beyond the Standard Model.

Abstract

The latest results from the H1 and ZEUS collaborations are presented on leptoquark production and rare Standard Model processes. The data were taken in the period 1994-2005, at a centre of mass energy of up to 319 GeV. Intriguing events containing isolated leptons and missing transverse momentum, as well as multi-lepton events, are observed by H1 in regions of phase space where the SM prediction is low. Interpretations of the observed excesses in terms of physics Beyond the Standard Model are also discussed.