Study of the Baryon-Antibaryon Low-Mass Enhancements in Charmless Three-body Baryonic B Decays
Abstract
The angular distributions of the baryon-antibaryon low-mass enhancements seen in the charmless three-body baryonic B decays B+ p pbar K+, B0 p pbar KS0, and B0 p Lambdabar pi- are reported. Searches for the pentaquarks Theta+ and Theta++ in the relevant decay modes and possible glueball states in the p pbar systems are presented. The analysis is based on a 140 fb-1 data sample recorded on the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider.
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