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Evidence for the charmless annihilation decay mode Bs0?p ⁺p ^-

Abstract: We search for annihilation decay modes of neutral b mesons into pairs of charmless charged hadrons with the upgraded Collider Detector at the Fermilab Tevatron. Using a data sample corresponding to 6 fb1 of integrated luminosity, we obtain the first evidence for the B0s ! þ decay, with a significance of 3:7, and a measured branching ratio BðB0 s ! þÞ ¼ ð0:57 0:15ðstatÞ 0:10ðsystÞÞ 106. A search for the B0 ! KþK mode in the same sample yields a significance of 2:0, and a central value estimate BðB0 ! KþKÞ ¼ ð0:23 0:10ðstatÞ 0:10ðsystÞÞ 106.

Other publications of the same journal or congress with authors from the University of Cantabria

Authorship: Aaltonen T., Álvarez González B., Amerio S., Amidei D., Anastassov A., Annovi A., Antos J., Apollinari G., Appel J.A., Arisawa T., Artikov A., Asaadi J., Ashmanskas W., Auerbach B., Aurisano A., Azfar F., Badgett W., Bae T., Barbaro-Galtieri A., Barnes V.E., Barnett B.A., Barria P., Bartos P., Bauce M., Bedeschi F., Behari S., Bellettini G., Bellinger J., Benjamin D., Beretvas A., Bhatti A., Bisello D., Bizjak I., Bland K.R., Bl

Fuente: Physical Review Letters, 2012, 108(21), 211803

Publisher: American Physical Society

Publication date: 01/05/2012

No. of pages: 8

Publication type: Article

DOI: 10.1103/PhysRevLett.108.211803

ISSN: 0031-9007,1079-7114

Publication Url: https://doi.org/10.1103/PhysRevLett.108.211803

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