Study of the decay mechanism for B+ to p pbar K+ and B+ to p pbar pi+
| dc.creator | Wei, J. -T. | |
| dc.creator | Wang, M. -Z. | |
| dc.date | 2007-06-28 | |
| dc.date | 2007-10-15 | |
| dc.date.accessioned | 2026-07-07T11:17:17Z | |
| dc.date.available | 2026-07-07T11:17:17Z | |
| dc.description | We study the characteristics of the low mass ppbar enhancements near threshold in the three-body decays B+ to p pbar K+ and B+ to p pbar pi+. We observe that the proton polar angle distributions in the ppbar helicity frame in the two decays have the opposite polarity, and measure the forward-backward asymmetries as a function of the ppbar mass for the p pbar K+ mode. We also search for the intermediate two-body decays, B+ to pbar Delta++ and B+ to p Delta0bar, and set upper limits on their branching fractions. These results are obtained from a 414 fb^{-1} data sample that contains 449 times 10^6 BBbar events collected near the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+ e- collider. | |
| dc.description | 15 pages, 5 figures (14 figure files), revisions to Phys. Lett. B | |
| dc.identifier | https://arxiv.org/abs/0706.4167 | |
| dc.identifier | http://arxiv.org/abs/0706.4167 | |
| dc.identifier | Phys.Lett.B659:80-86,2008 | |
| dc.identifier | doi:10.1016/j.physletb.2007.11.063 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/192957 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Study of the decay mechanism for B+ to p pbar K+ and B+ to p pbar pi+ | |
| dc.type | text |