Dresden 2013 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 24: Quantenfeldtheorie 2

T 24.1: Vortrag

Mittwoch, 6. März 2013, 16:45–17:00, WIL-C129

Strong field effects on physics processes at the interaction point at linear colliders — •Stefano Porto — II. Institut für Theoretische Physik Universität Hamburg Luruper Chaussee 149 22761 Hamburg Germany

Future linear colliders like ILC and CLIC could be powerful machines for the precision study of electroweak sector, as well as new physics Beyond the Standard Model. Due to the intense beams (high luminosity, high energy), strong fields may occur in the beam interaction region where the physical processes take place. The external fields would be up to 3 order of magnitude more intense than at LEP II and SLC. In the context of precision HEP, the presence of these strong fields may yield sensitive corrections to the observed electron-positron processes. Thus it's very important to understand how to deal with these intense external field corrections. Several theoretical methods are discussed and compared, like the Furry Picture method and a generalized quasi-classical operator method.