We present measurements of the branching fractions of the decays B+-->eta'K+ and B0-->eta'K0. For B0-->eta(')K(0)(S) we also measure the time-dependent CP-violation parameters S eta'(K(0)(S)) and C eta'(K(0)(S)), and for B+-->eta'K+ the time-integrated charge asymmetry A(ch). The data sample corresponds to 88.9 x 10(6) BB pairs produced by e(+)e(-) annihilation at the Upsilon(4S). The results are B(B+-->eta'K+)=(76.9+/-3.5+/-4.4) x 10(-6), B(B0-->eta'K0)=(60.6+/-5.6+/-4.6) x 10(-6), S eta'(K(0)(S))=0.02+/-0.34+/-0.03, C eta'(K(0)(S))=0.10+/-0.22+/-0.04, and A(ch)=0.037+/-0.045+/-0.011.

Measurements of CP-Violating Asymmetries and Branching Fractions in B Meson Decays to eta' K / Aubert, B., Barate, R., Boutigny, D., Gaillard, J.-M., Hicheur, A., Karyotakis, Y., Lees, J.P., Robbe, P., Tisserand, V., Zghiche, A., Palano, A., Pompili, A., Chen, J.C., Qi, N.D., Rong, G., Wang, P., Zhu, Y.S., Eigen, G., Ofte, I., Stugu, B., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 91:16(2003), pp. 1618011-1618017. [10.1103/PhysRevLett.91.161801]

Measurements of CP-Violating Asymmetries and Branching Fractions in B Meson Decays to eta' K

Rahatlou, S.;Sarti, A.;Bellini, F.;Cavoto, G.;del Re, D.;Faccini, R.;Ferroni, F.;Voena, C.;
2003

Abstract

We present measurements of the branching fractions of the decays B+-->eta'K+ and B0-->eta'K0. For B0-->eta(')K(0)(S) we also measure the time-dependent CP-violation parameters S eta'(K(0)(S)) and C eta'(K(0)(S)), and for B+-->eta'K+ the time-integrated charge asymmetry A(ch). The data sample corresponds to 88.9 x 10(6) BB pairs produced by e(+)e(-) annihilation at the Upsilon(4S). The results are B(B+-->eta'K+)=(76.9+/-3.5+/-4.4) x 10(-6), B(B0-->eta'K0)=(60.6+/-5.6+/-4.6) x 10(-6), S eta'(K(0)(S))=0.02+/-0.34+/-0.03, C eta'(K(0)(S))=0.10+/-0.22+/-0.04, and A(ch)=0.037+/-0.045+/-0.011.
2003
Physics and Astronomy (all)
01 Pubblicazione su rivista::01a Articolo in rivista
Measurements of CP-Violating Asymmetries and Branching Fractions in B Meson Decays to eta' K / Aubert, B., Barate, R., Boutigny, D., Gaillard, J.-M., Hicheur, A., Karyotakis, Y., Lees, J.P., Robbe, P., Tisserand, V., Zghiche, A., Palano, A., Pompili, A., Chen, J.C., Qi, N.D., Rong, G., Wang, P., Zhu, Y.S., Eigen, G., Ofte, I., Stugu, B., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 91:16(2003), pp. 1618011-1618017. [10.1103/PhysRevLett.91.161801]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1070343
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