First observation of B̄ 0→ D* 0π +π +π -π -decays

K. W. Edwards,A. J. Sadoff,R. Ammar,A. Bean, D. Besson,Xiandong Zhao,S. Anderson, V. V. Frolov,Y. Kubota,S. J. Lee,R. Poling,A. Smith, C. J. Stepaniak, J. Urheim,S. Ahmed,M. S. Alam,S. B. Athar, L. Jian,L. Ling,M. Saleem,S. Timm, F. Wappler, A. Anastassov, E. Eckhart,K. K. Gan, C. Gwon, T. Hart, K. Honscheid,D. Hufnagel,H. Kagan, R. Kass, T. K. Pedlar, J. B. Thayer,E. von Toerne, M. M. Zoeller,S. J. Richichi, H. Severini, P. Skubic, A. Undrus,V. Savinov, S. Chen, J. W. Hinson,J. Lee, D. H. Miller, E. I. Shibata, I. P.J. Shipsey, V. Pavlunin, D. Cronin-Hennessy, A. L. Lyon, E. H. Thorndike,T. E. Coan, Y. S. Gao, Y. Maravin, I. Narsky,Ryszard Stroynowski,Jingbo Ye, T. Wlodek,M. Artuso, K. Benslama, C. Boulahouache, K. Bukin,E. Dambasuren, G. Majumder, R. Mountain, T. Skwarnicki,S. Stone,J. C. Wang,A. Wolf,S. Kopp,M. Kostin,A. H. Mahmood,S. E. Csorna, I. Danko, K. W. McLean,Z. Xu, R. Godang, G. Bonvicini,D. Cinabro,M. Dubrovin,S. McGee, A. Bornheim, E. Lipeles,S. P. Pappas,A. Shapiro,W. M. Sun,A. J. Weinstein, D. E. Jaffe,R. Mahapatra,G. Masek,H. P. Paar, A. Eppich, R. J. Morrison,R. A. Briere, G. P. Chen,T. Ferguson,H. Vogel, J. P. Alexander, C. Bebek, B. E. Berger, K. Berkelman

Physical Review D(2001)

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摘要
We report on the observation of B0bar -> D*0 pi+ pi+ pi- pi- decays. The branching ratio is (0.30 +/- 0.07 +/- 0.06)%. Interest in this particular mode was sparked by Ligeti, Luke and Wise who propose it as a way to check the validity of factorization tests in B0bar -> D*+ pi+ pi- pi- pi0 decays.
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关键词
ofb0→d*0π+π+π−π−decays
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