Chiral behaviour of Delta B = 2 and Delta C =2 matrix elements

Details Chiral behaviour of Delta B = 2 and Delta C =2 matrix elements Chiral behaviour of Delta B = 2 and Delta C =2 matrix elements

2007-10-02

arxiv.org/abs/0710.0413v2

PoS Lattice2007:361,2007

Physics

High Energy Physics

High Energy Physics - Lattice

Talk presented at Lattice2007, Regensburg, July 30 - August 4, 2007; 7 pages, 1 figure

Scientific paper

We investigate the light-quark mass and spatial volume dependence of matrix elements of Delta B = 2 and Delta C = 2 four-fermion operators. These operators are relevant for Neutral B(s) and D mixing in and beyond the Standard Model. An important conclusion of this work is that the chiral extrapolations for matrix elements of heavy-light meson mixing beyond the Standard Model are more complicated than that for the Standard Model mixing matrix elements.

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