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Strong Final State Interactions in gamma.gamma --> W+W- by Poulose, P.; Sehgal, L. M. is a scholarly article available to read on EtoBox.

What is Strong Final State Interactions in gamma.gamma --> W+W- about?

We study the effects of a possible strong final state interaction among longitudinal W's in gamma.gamma --> W+W-. The relevant partial wave amplitudes are modified by an Omn\`es function approximated by a Breit-Wigner form factor. We study the fractional cross section f_{00} = \sigma_{LL}/\sigma_{Total} with both W's longitudinally polarised, in the presence of a J = 2 resonance (M = 2.5 TeV, Width = 500 GeV) or a J = 0 resonance (M = 1 TeV, Width = 1 TeV), whose parameters are scaled up from the f_2 and \sigma resonances in the \pi\pi system. We also examine the effects of final state interaction in the case of polarised photons (J_z = 0 or J_z = 2), and the impact on the Drell-Hearn-Gerasimov sum rule.

Author

Poulose, P.; Sehgal, L. M.

Published

2002

Language

EN