PoS - Proceedings of Science
Volume 334 - The 36th Annual International Symposium on Lattice Field Theory (LATTICE2018) - Weak Decays and Matrix Elements
Control of SU(3) symmetry breaking effects in calculations of B meson decay constant
S. Hollitt,* R. Horsley, P.D. Jackson, Y. Nakamura, H. Perlt, P. Rakow, G. Schierholz, H. Stuben, R. Young, J. Zanotti
*corresponding author
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Published on: May 29, 2019
Abstract
Early B physics experiments have left us with a number of puzzles in heavy flavour physics. New lattice calculations (with a greater understanding of QCD effects in the Standard Model) will be needed to support the increase in experimental precision to be achieved by upcoming experiments such as Belle II. We extend the CSSM/UKQCD/QCDSF studies of SU(3) flavour breaking effects by presenting new results for the decay constants $f_B$ and $f_{B_s}$.
DOI: https://doi.org/10.22323/1.334.0268
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