T-odd triple product asymmetries in beauty decays

Details T-odd triple product asymmetries in beauty decays T-odd triple product asymmetries in beauty decays

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aipc..488..140b&link_type=abstract

"High energy physics at the millennium: MRST (Montreal-Rochester-Syracuse-Ontario)'99 "The sundarfest". AIP Conference Proceedi

Other

Bottom Mesons, Decays Of Bottom Mesons, Electroweak Interactions, Charge Conjugation, Parity, Time Reversal, And Other Discrete Symmetries, Spontaneous And Radiative Symmetry Breaking

Scientific paper

The decay b-->suu receives contributions from both tree and penguin amplitudes. In this talk I show that tree-penguin interference gives rise to a T-violating triple product svec b.(pvec u×pvec s) between the b-quark spin and the momenta of the s and u quarks. In the standard model, the T-violating signal turns out to be rather large, about 6% of the total rate. This is quite encouraging, and suggests that triple products may be useful for testing the standard model and searching for new physics.

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