Observation of $B^{\pm}\to p \bar{p} K^{\pm}$
| dc.creator | Abe, K. | |
| dc.creator | Collaboration, The Belle | |
| dc.date | 2002-02-07 | |
| dc.date.accessioned | 2026-07-07T12:01:43Z | |
| dc.date.available | 2026-07-07T12:01:43Z | |
| dc.description | We report the observation of the decay mode $B^{\pm}\to p \bar{p} K^{\pm}$ based on an analysis of 29.4 fb$^{-1}$ of data collected by the Belle detector at KEKB. This is the first example of a $b\to s$ transition with baryons in the final state. The $p \bar{p}$ mass spectrum in this decay is inconsistent with phase space and is peaked at low mass. The branching fraction for this decay is measured to be ${\cal B}(B^{\pm}\to p \bar{p} K^{\pm}) =(4.3^{+1.1}_{-0.9}({\rm stat})\pm 0.5({\rm syst}))\times 10^{-6}.$ We also report upper limits for the decays $B^0\to p \bar{p} K_S$ and $B^{\pm}\to p \bar{p} π^{\pm}$. | |
| dc.description | 6 pages, 2 figures, and 1 table. Submitted to Phys. Rev. Lett | |
| dc.identifier | https://arxiv.org/abs/hep-ex/0202017 | |
| dc.identifier | http://arxiv.org/abs/hep-ex/0202017 | |
| dc.identifier | Phys.Rev.Lett.88:181803,2002 | |
| dc.identifier | doi:10.1103/PhysRevLett.88.181803 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/207194 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Observation of $B^{\pm}\to p \bar{p} K^{\pm}$ | |
| dc.type | text |