This proceeding contains papers on proton-antiproton collider physics. Included are the following topics: W, Z, physics, minimum bias physics, QCD jets, new detector technology, accelerator upgrades, heavy flavor production and physics beyond the standard model.

Proceedings of the 7th topical workshop on proton-antiproton collider physics

Anomaly mediated supersymmetry breaking without R parity

We discuss the recently observed excess of high Q2 neutral current deep inelastic scattering events at HERA in the light of supersymmetry with broken R-parity. We find more than one possible solution. We consider the possibilities for testing these hypotheses at HERA, the TEVATRON and at LEP. One lepton-number violating operator can account for both the HERA data and the four-jet anomaly seen by ALEPH at LEP.

High Q2-Anomaly at HERA and Supersymmetry

We study a particular texture of the neutrino mass matrix generated in supergravity with non-universal bilinear R-parity violation parameters. The relatively high value of $\tan\beta$
 makes the one-loop contribution to the neutrino mass matrix as important as the tree-level one. The atmospheric angle is nearly maximal, and its deviation from maximal mixing is related to the small size of the ratio between the solar and atmospheric mass scales. There is also a common origin for the small values of the solar and reactor angles, but the latter is much smaller due the large mass ratio between the heaviest two neutrinos. There is a high dependence of the neutrino mass differences on the scalar mass m0 and the gaugino mass M1/2, but a smaller dependence of the mixing angles on the same Sugra parameters. Measurements of branching ratios for the neutralino decays can give important information on the parameters of the model. There are good prospects at a future linear collider for these measurements, but a more detailed analysis is necessary for the LHC.

Study of a neutrino mass texture generated in supergravity with bilinear R-parity violation

Studying semi-leptonic b→(s,d)νν¯ decays in the MSSM without R-parity

The Searches Working Group discussed a variety of topics relating to present and future measurements of searches at LEP 2. The individual contributions are included separately.

Report of the 1997 LEP2 Phenomenology Working Group on `Searches' (Oxford)

The `Searches' working group discussed a variety of topics relating to present and future measurements of searches at LEP2. The individual contributions are included separately.

https://iopscience.iop.org/article/10.1088/0954-3899/24/2/012/pdf

Report of the working group on searches

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Report of the 1997 LEP2 Phenomenology Working Group on `Searches' (Oxford)

Report of the working group on searches