Combined Relativistic and static analysis for all Delta B=2 operators

Details Combined Relativistic and static analysis for all Delta B=2 operators Combined Relativistic and static analysis for all Delta B=2 operators

2001-10-15

arxiv.org/abs/hep-lat/0110117v2

Nucl.Phys.Proc.Suppl. 106 (2002) 385-387

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 1 figure. Lattice2001(heavyquark)

Scientific paper

10.1016/S0920-5632(01)01722-4

We analyse matrix elements of Delta B=2 operators by combining QCD results with the ones obtained in the static limit of HQET. The matching of all the QCD operators to HQET is made at NLO order. To do that we have to include the anomalous dimension matrix up to two loops, both in QCD and HQET, and the one loop matching for all the Delta B=2 operators. The matrix elements of these operators are relevant for the prediction of the B-\bar B mixing, B_s meson width difference and supersymmetric effects in Delta B=2 transitions.

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