Probing New Contact Interactions at Future pp, ep and e+e- Colliders

  • Fridger Schrempp
Part of the Ettore Majorana International Science Series book series (EMISS, volume 44)


A comparative discussion of the ‘reach’ Λ* for possible new contact interactions at future pp, e ± p and e + e - colliders is presented. First of all, some introductory background is provided concerning the generality of the concept of contact interactions and the interpretation of the associated scale Λ*. Useful analytical insight comes, moreover, from a simple scaling law and a more specialized approximate formula for the energy and luminosity dependence of Λ*. In a second part, ‘state of the art’ numerical simulations for extracting Λ* are discussed. For e + e - collisions, an analysis is reviewed which extends from PETRA/ PEP energies, via the Z ° peak, up to the TeV regime of a possible linear collider (CLIC). For pp and p̄p collisions, a new detailed analysis was performed, extending from Sp̄pS energies, via the LHC and SSC regime, up̄ to a possible 200 TeV pp collider (ELOISATRON). The importance of longitudinal beam polarization for filtering out contact interactions is illustrated for the case of HERA and LEP.


Contact Interaction Contact Term Future Collider Nucleon Structure Function Helicity Configuration 
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Copyright information

© Springer Science+Business Media New York 1989

Authors and Affiliations

  • Fridger Schrempp
    • 1
  1. 1.Deutsches Elektronen Synchrotron DESYHamburg 52Germany

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