We search for a charged partner of the X(3872) in the decay B→X-K, X-→J/ψπ-π0, using 234×10^6 BB̅ events collected at the Υ(4S) resonance with the BABAR detector at the PEP-II e+e- asymmetric-energy storage ring. The resulting product branching fraction upper limits are B(B0→X-K+,X-→J/ψπ-π0)<5.4×10-6 and B(B-→X-K̅ 0,X-→J/ψπ-π0)<22×10-6 at the 90% confidence level.
Search for a charged partner of the X(3872) in the B meson decay B→X-K, X-→J/ψπ-π0
MARGONI, MARTINO;SIMONETTO, FRANCO;STROILI, ROBERTO;VOCI, CESARE;SIMI, GABRIELE;
2005
Abstract
We search for a charged partner of the X(3872) in the decay B→X-K, X-→J/ψπ-π0, using 234×10^6 BB̅ events collected at the Υ(4S) resonance with the BABAR detector at the PEP-II e+e- asymmetric-energy storage ring. The resulting product branching fraction upper limits are B(B0→X-K+,X-→J/ψπ-π0)<5.4×10-6 and B(B-→X-K̅ 0,X-→J/ψπ-π0)<22×10-6 at the 90% confidence level.File in questo prodotto:
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