ar X iv : h ep - p h / 96 12 29 5 v 1 9 D ec 1 99 6

ar X iv : h ep - p h / 99 12 28 8 v 2 1 5 D ec 1 99 9 Lattice Calculations and Hadron Physics

ar X iv : h ep - p h / 98 12 39 9 v 1 1 6 D ec 1 99 8 1 The Tau Lepton : Particle Physics in a Nutshell

τ decays 5. Beyond the Standard Model 5.1 CP violation in hadronic τ decays 5.2 " Forbidden " decays.

ar X iv : h ep - p h / 98 12 29 9 v 1 9 D ec 1 99 8 FERMILAB – CONF – 98 / 390 – T Perspectives on Heavy Quark 98 Chris Quigg

I summarize and comment upon some highlights of HQ98, the Workshop on Heavy Quarks (strange, charm, and beauty) at Fixed Target.

ar X iv : h ep - p h / 99 12 28 8 v 1 1 0 D ec 1 99 9 Lattice Calculations and Hadron Physics

ar X iv : h ep - p h / 96 12 24 7 v 1 4 D ec 1 99 6 ITEP - TH - 55 / 96 TESTS OF CPT

A few remarks concerning theoretical suggestions and experimental tests of CPT during 1980's-1990's. Is it worth to search for the particle-antiparticle mass differences in sectors other than K 0 ¯ K 0 ?

ar X iv : h ep - p h / 96 12 41 4 v 1 1 9 D ec 1 99 6 Cause of Disparity between the Results for the nn̄ Transition Problem

We show that there is a double counting in the standard model of n¯ n mixing in the medium, resulting in full cancellation of leading terms. The direct calculation of n¯ n transition, annihilation is performed. For lower limit on the free-space n¯ n oscillation time we get τ min ∼ 10 31 y.