Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-11-17
Int.J.Mod.Phys. A20 (2005) 3651-3653
Physics
High Energy Physics
High Energy Physics - Phenomenology
Contributed to the Proceedings of American Physical Society's 2004 Meeting of the Division of Particles and Fields (DPF2004),
Scientific paper
10.1142/S0217751X05027205
Lattice Monte Carlo simulations now include the effects of 2 light sea quarks and 1 strange sea quark through the use of an improved staggered fermion action. Consequently, results important to phenomenology are free of the approximate 10% errors inherent in the quenched approximation. This talk reports on calculations of the B and Bs decay constants and B -> pi l nu form factors. Accurate determinations of these quantities will lead to tighter constraints on CKM matrix elements.
Davies Christine
Gray Alan
Gulez Emel
Lepage Peter G.
Shigemitsu Junko
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