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4-11 July 2012
Melbourne Convention and Exhibition Centre
Australia/Melbourne timezone
ICHEP2012 - 36th International Conference for High Energy Physics

Studies of the electroweak penguin transitions b -> s μ+ μ– and b -> d μ+ μ– at LHCb

6 Jul 2012, 15:15
Room 217 (Melbourne Convention and Exhibition Centre)

Room 217

Melbourne Convention and Exhibition Centre

Melbourne Australia
Parallel Sessions Track 7. CP Violation, CKM, Rare Decays, Meson Spectroscopy Room 217 - Heavy Ion Collisions / B-Physics / CP Violation - TR5/7/9


Dr Abraham Antonio Gallas Torreira (Universidade de Santiago de Compostela (ES))


Rare b -> s μ+ μ– transitions that proceed via flavour changing neutral currents are suppressed in the SM and provide a sensitive probe of new physics contributions entering in competing diagrams. The dataset collected with the LHCb experiment has enabled measurements to be made in decays such as B0 -> K*0 μ+ μ–, B+ -> K+ μ+ μ– and B0s -> φ μ+ μ–. Particularly interesting are the angular and isospin asymmetries in the decay B0 -> K(*)0 μ+ μ–, which are sensitive probes of new physics. The large statistics of reconstructed B mesons allow, for the first time, experimental access to b -> d μ+ μ– transitions, such as B+ -> π+ μ+ μ–, which are further suppressed in the SM. The latest results on these decay modes will be presented.

Primary author

Dr Abraham Antonio Gallas Torreira (Universidade de Santiago de Compostela (ES))

Presentation materials