Observation of the decay B+ to psi(2S) phi K+ in pp collisions at sqrt(s) = 8 TeV

Observation of the decay B+ to psi(2S) phi K+ in pp collisions at sqrt(s) = 8 TeV

The decay B+ to psi(2S) phi(1020) K+ is observed for the first time using data collected from pp collisions at sqrt(s) = 8 TeV by the CMS experiment at the LHC, corresponding to an integrated luminosity of 19.6 inverse femtobarns. The branching fraction of this decay is measured, using the mode B+ t...

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Veröffentlicht in:Physics letters. B 2017, Vol.764, p.66-86
Hauptverfasser: Khachatryan, V., Besançon, M., Couderc, F., Dejardin, M., Denegri, D., Fabbro, B., Faure, J.L., Favaro, C., Ferri, F., Ganjour, S., Ghosh, S., Givernaud, A., Gras, P., Monchenault, G. Hamel De, Jarry, P., Kucher, I., Locci, E., Machet, M., Malcles, J., Rander, J., Rosowsky, A., Titov, M., Zghiche, A., Abdulsalam, A., Antropov, I., Baffioni, S., Beaudette, F., Busson, P., Cadamuro, L., Chapon, E., Charlot, C., Davignon, O., Granier de Cassagnac, R., Jo, M., Lisniak, S., Mine, P., Nguyen, M., Ochando, C., Ortona, G., Paganini, P., Pigard, P., Regnard, S., Salerno, R., Sirois, Y., Strebler, T., Yilmaz, Y., Zabi, A., Agram, J.-L., Andrea, J., Aubin, A., Bloch, D., Brom, J.-M., Buttignol, M., Chabert, E.C., Chanon, N., Collard, C., Conte, E., Coubez, X., Fontaine, J.-C., Gele, D., Goerlach, U., Bihan, A.-C. Le, Merlin, J.A., Skovpen, K., Hove, P. Van, Gadrat, S., Beauceron, S., Bernet, C., Boudoul, G., Bouvier, E., Montoya, C.A. Carrillo, Chierici, R., Contardo, D., Courbon, B., Depasse, P., Mamouni, H. El, Fan, J., Fay, J., Gascon, S., Gouzevitch, M., Grenier, G., Ille, B., Lagarde, Fabienne, Laktineh, I.B., Lethuillier, M., Mirabito, L., Pequegnot, A.L., Perries, S., Sabes, A. Popov D., Sordini, V., Donckt, M. Vander, Verdier, P., Viret, S.
Format: Artikel
Sprache:eng
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High Energy Physics - Experiment
Physics
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Zusammenfassung:The decay B+ to psi(2S) phi(1020) K+ is observed for the first time using data collected from pp collisions at sqrt(s) = 8 TeV by the CMS experiment at the LHC, corresponding to an integrated luminosity of 19.6 inverse femtobarns. The branching fraction of this decay is measured, using the mode B+ to psi(2S) K+ as normalization, to be (4.0+/- 0.4 (stat) +/- 0.6 (syst) +/- 0.2 (B)1E-6, where the third uncertainty is from the imprecision in the normalization channel.
ISSN:0370-2693
DOI:10.1016/j.physletb.2016.11.001