Results on searches for new physics at HERA
Johannes Haller (Universitaet Heidelberg, on behalf of the H1, ZEUS, collaborations)
TL;DR
This paper summarizes the results from HERA experiments searching for new physics phenomena beyond the Standard Model, including contact interactions, leptoquarks, and supersymmetric particles, using ep collision data collected during HERA I.
Contribution
It provides a comprehensive overview of experimental searches for various beyond Standard Model signals at HERA, highlighting the latest results and constraints.
Findings
No significant deviations from the Standard Model observed.
Constraints set on leptoquark and contact interaction parameters.
Limits established on R-parity violating supersymmetric particles.
Abstract
The H1 and ZEUS collaborations have searched for signals of physics beyond the Standard Model in ep collisions at a center-of-mass energy of 301-319 GeV. During the HERA I phase each experiment accumulated an integrated luminosity of about 110 pb^{-1} for e^+p and about 15 pb^{-1} for e^-p collisions. The data have been analysed searching for contact interaction effects, leptoquarks, lepton flavor violation, squarks in R-parity violating supersymmetric models, excited fermions and FCNC single top production. In this article a summary of the results is given.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Computational Physics and Python Applications · High-Energy Particle Collisions Research