$Study of the B- -> J/psi K-pi(+)pi(-) decay and measurement of the B- -> X(3872)K- branching fraction$

Study of the B- -> J/psi K-pi(+)pi(-) decay and measurement of the B- -> X(3872)K- branching fraction

We study the decay B- → J/ΨK -π+π- using 117×106 BB̄ events collected at the Y(4S) resonance with the BABAR detector at the PEP-II e+e- asymmetric-energy storage ring. We measure the branching fractions ℬ (B- → J/ΨK -π+π-) = (116±7(stat.) ±9(syst.))×10-5 and ℬ (B- → X(3872)K-) × ℬ (X(3872) → J/Ψπ+π...

书目详细资料
Main Authors:	Aubert, B, Barate, R, Boutigny, D, Couderc, F, Gaillard, J, Hicheur, A, Karyotakis, Y, Lees, J, Tisserand, V, Zghiche, A, Palano, A, Pompili, A, Chen, J, Qi, N, Rong, G, Wang, P, Zhu, Y, Eigen, G, Ofte, I, Stugu, B, Abrams, G, Borgland, A, Breon, AB, Brown, D, Button-Shafer, J
格式:	Journal article
语言:	English
出版:	2005

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