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Beneke M, Rohrer J, Yang D. Enhanced electroweak penguin amplitude in B-->VV decays. Phys Rev Lett. 2006;96(14):141801doi: 10.1103/PhysRevLett.96.141801.
Beneke, M., Rohrer, J., & Yang, D. (2006). Enhanced electroweak penguin amplitude in B-->VV decays. Physical review letters, 96(14), 141801. https://doi.org/10.1103/PhysRevLett.96.141801
Beneke, M, et al. "Enhanced electroweak penguin amplitude in B-->VV decays." Physical review letters vol. 96,14 (2006): 141801. doi: https://doi.org/10.1103/PhysRevLett.96.141801
Beneke M, Rohrer J, Yang D. Enhanced electroweak penguin amplitude in B-->VV decays. Phys Rev Lett. 2006 Apr 14;96(14):141801. doi: 10.1103/PhysRevLett.96.141801. Epub 2006 Apr 10. PMID: 16712063.
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Phys Rev Lett. 2006 Apr 14;96(14):141801. doi: 10.1103/PhysRevLett.96.141801. Epub 2006 Apr 10.

Enhanced electroweak penguin amplitude in B-->VV decays.

Physical review letters

M Beneke, J Rohrer, D Yang

Affiliations

  1. Institut für Theoretische Physik E, RWTH Aachen, D-52056 Aachen, Germany.

PMID: 16712063 DOI: 10.1103/PhysRevLett.96.141801

Abstract

We discuss a novel electromagnetic penguin contribution to the transverse helicity amplitudes in B decays to two vector mesons, which is enhanced by two powers of mB/Lambda relative to the standard penguin amplitudes. This leads to unique polarization signatures in penguin-dominated decay modes such as B-->rhoK* similar to polarization effects in the radiative decay B-->K*gamma and offers new opportunities to probe the magnitude and chirality of flavor-changing neutral current couplings to photons.

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