Berlin 2005 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 27: Theorie

HK 27.1: Vortrag

Dienstag, 8. März 2005, 14:00–14:15, TU MA005

Volume dependences from lattice chiral perturbation theory — •B. Borasoy¹ and R. Lewis² — ¹Helmholtz-Institut für Strahlen- und Kernphysik (Theorie), Universität Bonn, Germany — ²Department of Physics, University of Regina, Canada

The physics of pions within a finite volume is explored using lattice regularized chiral perturbation theory. This regularization scheme permits a straightforward computational approach to be used in place of analytical continuum techniques. Using the pion mass, decay constant, form factor and charge radius as examples, it is shown how numerical results for volume dependences are obtained at the one-loop level from simple summations [1].

Financial support of the Deutsche Forschungsgemeinschaft, the Natural Sciences and Engineering Research Council of Canada, and the Canada Research Chairs Program is gratefully acknowledged.

• [1] B. Borasoy and R. Lewis, hep-lat/0410042;
    B. Borasoy, R. Lewis and D. Mazur, hep- lat/0408040.