We describe searches for B meson decays to the charmless vector-vector final states omegaK(*) and omegarho in 89x10(6) B (B) over bar pairs produced in e(+)e(-) annihilation at roots=10.58 GeV. We measure the following branching fractions in units of 10(-6): B(B-0-->omegaK(*0))=3.4(-1.6)(+1.8)+/-0.4(<6.0), B(B+-->omegaK(*+))=3.5(-2.0)(+2.5)+/-0.7(<7.4), B(B-0-->omegarho(0))=0.6(-1.1)(+1.3)+/-0.4(<3.3), and B(B+-->omegarho(+))=12.6(-3.3)(+3.7)+/-1.6. The first error quoted is statistical, the second systematic, and the upper limits are defined at 90% confidence level. For B+-->omegarho(+) we also measure the longitudinal spin alignment fraction f(L)=0.88(-0.15)(+0.12)+/-0.03 and charge asymmetry A(ch)=(5+/-26+/-2)%.
Measurements of B meson decays to omega K-* and omega rho / A.M. Boyarski, O.L. Buchmueller, R. Claus, M.R. Convery, M. Cristinziani, G. De Nardo, D. Dong, J. Dorfan, D. Dujmic, W. Dunwoodie, S. Fan, R.C. Field, T. Glanzman, S.J. Gowdy, T. Hadig, V. Halyo, C. Hast, T. Hryn'Ova, W.R. Innes, M.H. Kelsey, P. Kim, M.L. Kocian, F. Leith, J. Libby, S. Luitz, V. Luth, H.L. Lynch, H. Marsiske, R. Messner, D.R. Muller, C.P. O'Grady, V.E. Ozcan, A. Perazzo, M. Perl, S. Petrak, B.N. Ratcliff, A. Roodman, A.A. Salnikov, R.H. Schindler, J. Schwiening, A. Snyder, A. Soha, J. Stelzer, J. Strube, D. Su, M.K. Sullivan, J. Va'Vra, S.R. Wagner, M. Weaver, W.J. Wisniewski, M. Wittgen, D.H. Wright, A.K. Yarritu, C.C. Young, P.R. Burchat, A.J. Edwards, S.A. Majewski, B.A. Petersen, C. Roat, M. Ahmed, S. Ahmed, M.S. Alam, J.A. Ernst, M.A. Saeed, M. Saleem, F.R. Wappler, W. Bugg, M. Krishnamurthy, S.M. Spanier, R. Eckmann, H. Kim, J.L. Ritchie, A. Satpathy, R.F. Schwitters, J.M. Izen, I. Kitayama, X.C. 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Measurements of B meson decays to omega K-* and omega rho
A. Lazzaro;V. Lombardo;F. Palombo;N. Neri;
2005
Abstract
We describe searches for B meson decays to the charmless vector-vector final states omegaK(*) and omegarho in 89x10(6) B (B) over bar pairs produced in e(+)e(-) annihilation at roots=10.58 GeV. We measure the following branching fractions in units of 10(-6): B(B-0-->omegaK(*0))=3.4(-1.6)(+1.8)+/-0.4(<6.0), B(B+-->omegaK(*+))=3.5(-2.0)(+2.5)+/-0.7(<7.4), B(B-0-->omegarho(0))=0.6(-1.1)(+1.3)+/-0.4(<3.3), and B(B+-->omegarho(+))=12.6(-3.3)(+3.7)+/-1.6. The first error quoted is statistical, the second systematic, and the upper limits are defined at 90% confidence level. For B+-->omegarho(+) we also measure the longitudinal spin alignment fraction f(L)=0.88(-0.15)(+0.12)+/-0.03 and charge asymmetry A(ch)=(5+/-26+/-2)%.File | Dimensione | Formato | |
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