Observation of the rare decay B+ → K+π0π0 and measurement of the quasi-two-body contributions B+ → K [ast] (892)+π0, B+ → [function]0(980)K+ and B+ → [chi]c0K+hJ.P. Lees, V. Poireau, V. Tisserand, J. Garra Tico, E. Grauges, M. Martinelli, D.A. Milanes, A. Palano, M. Pappagallo, G. Eigen, B. Stugu, L. Sun, D.N. Brown, L.T. Kerth, Yu. G. Kolomensky, G. Lynch, H. Koch, T. Schroeder, D.J. Asgeirsson, C. Hearty, T.S. Mattison, J.A. McKenna, R.Y. So, A. Khan, V. E. Blinov, A.R. Buzykaev, V.P. Druzhinin, V.B. Golubev, E.A. Kravchenko, A.P. Onuchin, S.I. Serednyakov, Yu. I. Skovpen, E.P. Solodov, K. Yu. Todyshev, A.N. Yushkov, M. Bondioli, D. Kirkby, A.J. Lankford, M. Mandelkern, D.P. Stoker, H. Atmacan, J.W. Gary, F. Liu, O. Long, G.M. Vitug, C. Campagnari, T.M. Hong, D. Kovalskyi, J.D. Richman, C.A. West, A.M. Eisner, J. Kroseberg, W.S. Lockman, A.J. Martinez, T. Schalk, B.A. Schumm, A. Seiden, C.H. Cheng, D.A. Doll, B. Echenard, K.T. Flood, D.G. Hitlin, P. Ongmongkolkul, F.C. Porter, A.Y. Rakitin, R. Andreassen, M.S. Dubrovin, B.T. Meadows, M.D. Sokoloff, P.C. Bloom, W.T. Ford, A. Gaz, M. Nagel, U. Nauenberg, J.G. Smith, S.R. Wagner, R. Ayad, W.H. Toki, B. Spaan, M.J. Kobel, K.R. Schubert, R. Schwierz, D. Bernard, M. Verderi, P.J. Clark, S. Playfer, J.E. Watson, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, M. Munerato, M. Negrini, L. Piemontese, R. Baldini-Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, M. Nicolaci, S. Pacetti, P. Patteri, I.M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M.R. Monge, S. Passaggio, C. Patrignani, E. Robutti, B. Bhuyan, V. Prasad, C.L. Lee, M. Morii, A.J. Edwards, A. Adametz, J. Marks, U. Uwer, [und weitere] (BABAR Collaboration)
We report an analysis of charmless hadronic decays of charged B mesons to the final state K+π0π0, using a data sample of (470.9±2.8)×106 B¯¯¯B events collected with the BABAR detector at the Υ(4S) resonance. We observe an excess of signal events, with a significance above 10 standard deviations incl...
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2011
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| In: |
Physical review. D, Particles, fields, gravitation, and cosmology
Year: 2011, Jahrgang: 84, Heft: 9, Pages: 1-11 |
| ISSN: | 1550-2368 |
| DOI: | 10.1103/PhysRevD.84.092007 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.84.092007 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.84.092007 |
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