Advertisement

Search for contact interactions in deep inelastic \(e^+p\to e^+X\) scattering at HERA

  • The ZEUS Collaboration
  • J. Breitweg et al.
Experimental physics

Abstract.

In a search for signatures of physics processes beyond the Standard Model, various eeqq vector contact–interaction hypotheses have been tested using the high–\(Q^2\) deep inelastic neutral–current \(e^+p\) scattering data collected with the ZEUS detector at HERA. The data correspond to an integrated luminosity of \(47.7\,{\rm pb}^{-1}\) of \(e^+p\) interactions at 300 GeV center–of–mass energy. No significant evidence of a contact–interaction signal has been found. Limits at the 95% confidence level are set on the contact–interaction amplitudes. The effective mass scales \(\Lambda\) corresponding to these limits range from 1.7 TeV to 5 TeV for the contact–interaction scenarios considered.

Keywords

Interaction Signal Confidence Level Physic Process Effective Mass Mass Scale 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • The ZEUS Collaboration
  • J. Breitweg et al.
    • 1
  1. 1.Argonne National Laboratory, Argonne, IL, USAUS

Personalised recommendations