$B_d-\bar{B}_d$ mixing vs. $B_s-\bar{B}_s$ mixing with the anomalous $Wtb$ couplings

Details $B_d-\bar{B}_d$ mixing vs. $B_s-\bar{B}_s$ mixing with the anomalous $Wtb$ couplings $B_d-\bar{B}_d$ mixing vs. $B_s-\bar{B}_s$ mixing with the anomalous $Wtb$ couplings

2008-09-04

arxiv.org/abs/0809.0751v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 figures

Scientific paper

We explore the effects of the anomalous $tbW$ couplings on the $\bd$ mixing
and recently measured $\bs$ mixing. The combined analysis of mixings via box
diagrams with penguin decays provides strong constraints on the anomalous top
quark couplings. We find the bound from the $\bd$ mixing data is stronger than
that from the $\bs$ mixing.

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