# EPS-HEP 2017

5-12 July 2017
Venice, Italy
Europe/Zurich timezone
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## Search for contact interactions in inclusive ep scattering at HERA

7 Jul 2017, 09:45
15m
Room Welles (Palazzo del Casinò)

### Room Welles

#### Palazzo del Casinò

Parallel Talk Higgs and New Physics

### Speaker

Katarzyna Wichmann (Deutsches Elektronen-Synchrotron (DE))

### Description

The high-precision HERA data are used to search for Beyond the Standard Model contributions to electron-quark scattering in the framework of eeqq contact interactions (CI). Combined measurements of the inclusive deep inelastic cross sections in neutral and charged current $ep$ scattering are considered, corresponding to a luminosity of around 1 fb$^{-1}$. The analysis of the inclusive $ep$ data is based on the simultaneous fits of parton distribution functions together with contributions of CI couplings to $ep$ scattering. Results are presented for different CI scenarios and the resulting 95% CL limits on the CI mass scales extend up to the 10 TeV scale.

Experimental Collaboration ZEUS

### Primary author

Matthew Wing (University of London (GB))