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(2005)
Study of three-body baryonic B decays
T. Hryn'ova (2006)
Study of B Meson Decays to ppbarh Final States
(2004)
Particle Data Group)
(2004)
Branching fraction of Br B ! p pM =dmBM with (a) M K and (b) M as functions of mBM B p; p with the dashed, dotted, and solid curves representing (i) m pM >mpM , (ii) m pM
We study the angular distributions of the baryon-antibaryon low-mass enhancements in the three-<?format ?>body baryonic B decays of B → p p ¯ M ( M = K and π ) in the framework of the perturbative QCD. <?format ?>By writing the most general forms for the transition form factors of B → p p ¯ , we find that the angular distribution asymmetry in B - → p p ¯ K - measured by Belle Collaboration can be explained. We <?format ?>give a quantitative description on the Dalitz plot asymmetry in B - → p p ¯ K - shown by BABAR Collaboration and demonstrate that it is equivalent to the angular asymmetry. In addition, we present our results on B ¯ 0 → p p ¯ K S and B - → p p ¯ π - and we obtain that their angular asymmetries are <?format ?> - 0.35 ± 0.11 and 0.45 ± 0.10 , respectively, which can be tested by the ongoing experiments at the B factories.
Physical Review D – American Physical Society (APS)
Published: Nov 1, 2006
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