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Precision flavour physics with B → Kνbar nu and B → Kl+l−

M. Bartsch et al JHEP11(2009)011   doi: 10.1088/1126-6708/2009/11/011  Help

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M. Bartscha, M. Beylicha, G. Buchallaa and D.-N. Gaob
a Ludwig-Maximilians-Universität München, Fakultät für Physik, Arnold Sommerfeld Center for Theoretical Physics, D–80333 München, Germany
b Interdisciplinary Center for Theoretical Study and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
E-mail: matthaeus.bartsch@physik.uni-muenchen.de, matthias.beylich@physik.uni-muenchen.de, gerhard.buchalla@lmu.de and gaodn@ustc.edu.cn

Abstract. We show that a combined analysis of B → Kνbar nu and B → Kl+l− allows for new physics tests practically free of form factor uncertainties. Residual theory errors are at the level of several percent. Our study underlines the excellent motivation for measuring these modes at a Super Flavour Factory.

Key words: Heavy Quark Physics; B-Physics; Rare Decays

E-print number: 0909.1512
Cited: by
Refers: to

Received 23 September 2009, accepted for publication 10 October 2009
Published 4 November 2009

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