With the full BABAR data sample of 465 x 10(6) B (B) over bar pairs, we observe the decays B(+/-) -> phi K(1)(1270)(+/-) and B(+/-) -> phi K(2)*(1430)(+/-). We measure the branching fractions (6.1 +/- 1.6 +/- 1.1) x 10(-6) and (8.4 +/- 1.8 +/- 1.0) x 10(-6) and the fractions of longitudinal polarization 0.46(-0.13-0.07)(+0.12+0.06) and 0.80(-0.10)(+0.09) +/- 0.03, respectively. We also report on the B(+/-) -> phi K(0)*(1430)(+/-) decay branching fraction of (7.0 +/- 1.3 +/- 0.9) x 10(-6) and several parameters sensitive to CP violation and interference in the above three decays. Upper limits are placed on the B(+/-) decay rates to final states with phi and K(1)(1400)(+/-), K*(1410)(+/-), K(2)(1770)(+/-), or K(2)(1820)(+/-). Understanding the observed polarization pattern requires amplitude contributions from an uncertain source.

Observation and Polarization Measurements of B(+/-) -> phi K(1)(+/-) and B(+/-) -> phi K(2)*(+/-) RID C-5223-2009

ANGELINI, CARLO;BATIGNANI, GIOVANNI;BETTARINI, STEFANO;FORTI, FRANCESCO;GIORGI, MARCELLO;PAOLONI, EUGENIO;RIZZO, GIULIANA;
2008-01-01

Abstract

With the full BABAR data sample of 465 x 10(6) B (B) over bar pairs, we observe the decays B(+/-) -> phi K(1)(1270)(+/-) and B(+/-) -> phi K(2)*(1430)(+/-). We measure the branching fractions (6.1 +/- 1.6 +/- 1.1) x 10(-6) and (8.4 +/- 1.8 +/- 1.0) x 10(-6) and the fractions of longitudinal polarization 0.46(-0.13-0.07)(+0.12+0.06) and 0.80(-0.10)(+0.09) +/- 0.03, respectively. We also report on the B(+/-) -> phi K(0)*(1430)(+/-) decay branching fraction of (7.0 +/- 1.3 +/- 0.9) x 10(-6) and several parameters sensitive to CP violation and interference in the above three decays. Upper limits are placed on the B(+/-) decay rates to final states with phi and K(1)(1400)(+/-), K*(1410)(+/-), K(2)(1770)(+/-), or K(2)(1820)(+/-). Understanding the observed polarization pattern requires amplitude contributions from an uncertain source.
2008
Aubert, B; Bona, M; Karyotakis, Y; Lees, Jp; Poireau, V; Prencipe, E; Prudent, X; Tisserand, V; Tico, Jg; Grauges, E; Lopez, L; Palano, A; Pappagallo,...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/194740
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