Hadron production in two-photon collisions at LEP
Author | : Wim van Rossum |
Publisher | : |
Total Pages | : 105 |
Release | : 1998 |
Genre | : |
ISBN | : 9789039319642 |
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Author | : Wim van Rossum |
Publisher | : |
Total Pages | : 105 |
Release | : 1998 |
Genre | : |
ISBN | : 9789039319642 |
Author | : |
Publisher | : |
Total Pages | : 5 |
Release | : 2001 |
Genre | : |
ISBN | : |
Exclusive hadron production processes in photon-photon collisions provide important tests of QCD at the amplitude level, particularly as measures of hadron distribution amplitudes and skewed parton distributions. The determination of the shape and normalization of the distribution amplitudes has become particularly important in view of their importance in the analysis of exclusive semi-leptonic and two-body hadronic B-decays. Interesting two-photon physics, including doubly-tagged [gamma]*[gamma]* reactions, will be accessible at low energy, high luminosity ee− colliders, including measurements of channels important in the light-by-light contribution to the muon g-2 and the study of the transition between threshold production controlled by low-energy effective chiral theories and the domain where leading-twist perturbative QCD becomes applicable. The threshold regime of hadron production in photon-photon and ee− annihilation, where hadrons are formed at small relative velocity, is particularly interesting as a test of low energy theorems, soliton models, and new types of resonance production. Such studies will be particularly valuable in double-tagged reactions where polarization correlations, as well as the photon virtuality dependence, can be studied.
Author | : Willis T. Lin |
Publisher | : |
Total Pages | : 292 |
Release | : 1989 |
Genre | : Collisions (Nuclear physics) |
ISBN | : |
Author | : Maria-Novella Kienzle-Focacci |
Publisher | : World Scientific |
Total Pages | : 444 |
Release | : 2002 |
Genre | : Science |
ISBN | : 9789812380531 |
This volume reports on all aspects of high energy photon interactions using both photon and proton targets. Significant new results from the LEP and HERA experiments as well as from CLEO II and BELLE are presented. These data are confronted with diverse theoretical models. In particular, predictions of QCD in both the perturbative and the non-perturbative sector are extensively discussed. The prospects for gamma-gamma physics at future high energy colliders are also reviewed. In total 72 papers are collected.The proceedings have been selected for coverage in: ? Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)
Author | : D O Caldwell |
Publisher | : World Scientific |
Total Pages | : 532 |
Release | : 1992-12-31 |
Genre | : |
ISBN | : 981455460X |
The proceedings blend current and future two-photon physics. Developments since the last Photon-Photon Workshop four years ago are summarized, and the future of the field is projected, not only at existing accelerators, but also at heavy-ion colliders B-factories, and especially linear colliders with back-scattered laser beams.
Author | : Vladimir A. Petrov |
Publisher | : World Scientific |
Total Pages | : 412 |
Release | : 2000 |
Genre | : Science |
ISBN | : 9789810241186 |
This book contains various experimental and theoretical reports on the status and prospects of one of the most interesting and difficult areas of modern high energy physics ? elastic and diffractive scattering. One can find here general trends and problems, and original ideas on particle interactions and structure.