ar X iv : h ep - p h / 99 10 39 9 v 1 1 9 O ct 1 99 9 FTUAM 99 - 32 hep - ph / October , 1999 Heavy Quarkonium

ar X iv : h ep - p h / 99 05 46 9 v 1 2 5 M ay 1 99 9 DESY 99 – 060 hep - ph / 9905469 May 1999 W Boson Production at NLO ∗

We discuss W boson production at HERA including NLO QCD corrections. A detailed comparison with previous work is presented.

ar X iv : h ep - p h / 99 10 34 5 v 1 1 4 O ct 1 99 9 Quark mass effects to σ ( e + e − →

ar X iv : h ep - e x / 99 10 03 6 v 1 1 8 O ct 1 99 9 EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH CERN – EP / 99 – 139 7 October 1999

This paper is meant as a contribution to the often debated subject of how to combine data which appear to be in mutual disagreement. As a practical example, the ǫ ′ /ǫ determinations have been considered.

ar X iv : h ep - p h / 99 10 24 8 v 1 6 O ct 1 99 9 1 Effect of σ ( 600 ) - Production in pp̄ → 3 π 0 at rest

ar X iv : h ep - p h / 99 10 25 5 v 1 6 O ct 1 99 9 SLAC - PUB - 8238 October 1999 Indirect Collider Tests for Large Extra

We review the capability of colliders to detect the virtual exchange of Kaluza-Klein towers of gravitons within the low scale quantum gravity scenario of Arkani-Hamed, Dimopoulos and Dvali.