Measurement of Branching Fractions and Polarization in B -> phi K^{(*)} Decays
| dc.creator | Chen, K. -F. | |
| dc.creator | Bozek, A. | |
| dc.date | 2003-07-07 | |
| dc.date | 2003-09-12 | |
| dc.date.accessioned | 2026-07-07T12:01:59Z | |
| dc.date.available | 2026-07-07T12:01:59Z | |
| dc.description | We present the first measurement of decay amplitudes in B -> phi K^* and measurements of branching fractions in B -> phi K^{(*)} decays based on 78.1 fb^{-1} of data recorded at the Upsilon(4S) resonance with the Belle detector at the KEKB e^+ e^- storage ring. The decay amplitudes for the different phi K^{*0} helicity states are measured from the angular distributions of final state particles in the transversity basis. The longitudinal and transverse complex amplitudes are |A_0|^2 = 0.43 +- 0.09 +- 0.04, |A_perp|^2 = 0.41 +- 0.10 +- 0.04, arg(A_parallel) = -2.57 +- 0.39 +- 0.09, and arg(A_perp) = 0.48 +- 0.32 +- 0.06. The direct CP-violating asymmetries are found to be consistent with zero. | |
| dc.description | 9 pages, 3 figures, submitted to Phys. Rev. Lett | |
| dc.identifier | https://arxiv.org/abs/hep-ex/0307014 | |
| dc.identifier | http://arxiv.org/abs/hep-ex/0307014 | |
| dc.identifier | Phys.Rev.Lett.91:201801,2003 | |
| dc.identifier | doi:10.1103/PhysRevLett.91.201801 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/207288 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Measurement of Branching Fractions and Polarization in B -> phi K^{(*)} Decays | |
| dc.type | text |