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7 papers
QCD and Transverse-Spin Physics
Philip G. Ratcliffe
A pedagogical presentation of single-spin asymmetries and transversity is offered. Detailed discussion is given of various aspects of single-spin asymmetries in lepton-nucleon and…
Phenomenology of g_1(x) in the Observed Small-x Region
Mehrdad Goshtasbpour, Philip G. Ratcliffe
We examine the behaviour of the polarised structure function data for g_1(x) in the region of small x (~0.01 to 0.1) for the various available targets (proton, neutron and deuteron…
Theory Summary Talk
Philip G. Ratcliffe
A summary is presented of the more theoretical aspects of the presentations made at Hyperon~99. In addition, some material is covered which was not presented at the symposium but w…
Theory of Spin Effects in Hard Hadronic Reactions
Philip G. Ratcliffe
I discuss the present situation with regard to a variety of theoretical topics in hadronic spin physics: (a) global analysis of the g1 data---positivity at leading and next-to-lead…
A New Quark Model Approach to Hyperon Semi-Leptonic Decays
Philip G. Ratcliffe
A new analysis of hyperon semi-leptonic decay data is presented, based on simple and general arguments for an SU(3)-breaking structure of the couplings involved. The results obtain…
Symposium Summary
Philip G. Ratcliffe
The plenary presentations of the conference are summarised, highlighting some aspects that were of particular interest and attempting to link a few of the topics covered. Particula…