Penguin Mediated B Decays at BABAR
| dc.creator | Mancinelli, Giampiero | |
| dc.date | 2002-09-17 | |
| dc.date | 2002-09-19 | |
| dc.date.accessioned | 2026-07-07T03:35:33Z | |
| dc.date.available | 2026-07-07T03:35:33Z | |
| dc.description | We report on preliminary results of searches for penguin mediated B decays based on 20.7 fb^{-1} of data collected at the Y(4S) peak with the BABAR detector at PEP-II. The following branching fractions have been measured: BR(B+ --> phi K+) = (7.7^{+1.6}_{-1.4} +- 0.8)*10^{-6}, BR(B0 --> phi K0) = (8.1^{+3.1}_{-2.5} +- 0.8)*10^{-6}, BR(B+ --> phi K*+) = (9.7^{+4.2}_{-3.4} +- 1.7)*10^{-6}, BR(B0 --> phi K*0) = (8.7^{+2.5}_{-2.1} +- 1.1)*10^{-6}, BR(B+--> omega pi+) = (6.6^{+2.1}_{-1.8} +- 0.7)*10^{-6}, BR(B --> eta K^*0) = (19.8^{+6.5}_{-5.6} +-1.7)*10^{-6}, where the first error is statistical and the second systematic. For several other modes we report upper limits on their branching fractions; for example for the following flavor-changing neutral current decays, BR(B--> K l+ l-) < 0.6*10^{-6}, BR(B--> K* l+ l-) < 2.5*10^{-6}, at 90% Confidence Level (C.L.). | |
| dc.description | 9 pages, 6 postscript figues, presented at EPS2001 | |
| dc.identifier | https://arxiv.org/abs/hep-ex/0209037 | |
| dc.identifier | http://arxiv.org/abs/hep-ex/0209037 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/37391 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Penguin Mediated B Decays at BABAR | |
| dc.type | text |