Searches for New Physics at HERA
E. Sauvan (on behalf of the H1, ZEUS Collaborations)
TL;DR
This paper reviews the latest results from HERA collider experiments on searches for new physics phenomena, including contact interactions, leptoquarks, excited leptons, and unusual lepton topologies, based on 1 fb$^{-1}$ of data.
Contribution
It provides a comprehensive overview of the most recent experimental searches for physics beyond the Standard Model at HERA.
Findings
No significant evidence for new physics was observed.
Constraints on contact interaction scales were improved.
Limits on leptoquark and excited lepton masses were set.
Abstract
The high energy programme of the HERA collider ended in March 2007. During the whole HERA programme, a combined total integrated luminosity of 1 fb was collected by the H1 and ZEUS experiments. In this context, an overview of the most recent results of both experiments concerning searches for new physics is presented. The topics covered are searches for contact interactions, leptoquarks and excited leptons, as well as studies of the isolated lepton and multi-lepton topologies, and a general signature based search.
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