Angular distributions in the decayB→K*l+l−

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 26 Feb 2009 Italy, France, Italy, Italy, Italy, Italy, Italy, France, Spain, France, France, Italy, France, Italy, United States, Italy, Italy, Italy, Italy, France, Italy, France English Publisher:American Physical Society (APS)Journal:Physical Review D, volume 79 (issn: 1550-7998, eissn: 1550-2368,

Copyright policy )Funded by:NSERC | unidentified

Authors: B. Aubert; R. Barate; D. Boutigny; F. Couderc; Y. Karyotakis; J. P. Lees; V. Poireau; +193 Authors

B. Aubert; R. Barate; D. Boutigny; F. Couderc; Y. Karyotakis; J. P. Lees; V. Poireau; V. Tisserand; A. Zghiche; E. Grauges; A. Palano; M. Pappagallo; A. Pompili; J. C. Chen; N. D. Qi; G. Rong; P. Wang; Y. S. Zhu; G. Eigen; I. Ofte; B. Stugu; G. S. Abrams; M. Battaglia; A. B. Breon; D. N. Brown; J. Button Shafer; R. N. Cahn; E. Charles; C. T. Day; M. S. Gill; A. V. Gritsan; Y. Groysman; R. G. Jacobsen; J. Kadyk; L. T. Kerth; Y.u. G. Kolomensky; G. Kukartsev; G. Lynch; L. M. Mir; P. J. Oddone; T. J. Orimoto; M. Pripstein; N. A. Roe; M. T. Ronan; W. A. Wenzel; M. Barrett; K. E. Ford; T. J. Harrison; A. J. Hart; C. M. Hawkes; S. E. Morgan; A. T. Watson; M. Fritsch; K. Goetzen; H. Koch; B. Lewandowski; M. Pelizaeus; K. Peters; T. Schroeder; T. Cuhadar Donszelmann; B. G. Fulsom; C. Hearty; N. S. Knecht; T. S. Mattison; J. A. McKenna; A. Khan; P. Kyberd; M. Saleem; L. Teodorescu; A. E. Blinov; V. E. Blinov; A. D. Bukin; V. P. Druzhinin; V. B. Golubev; E. A. Kravchenko; A. P. Onuchin; S. I. Serednyakov; Y.u. I. Skovpen; E. P. Solodov; D. Best; M. Bondioli; M. Bruinsma; M. Chao; I. Eschrich; D. Kirkby; A. J. Lankford; M. Mandelkern; B. L. Hartfiel; S. D. Foulkes; J. W. Gary; O. Long; B. C. Shen; K. Wang; L. Zhang; D. del Re; H. K. Hadavand; E. J. Hill; D. B. MacFarlane; H. P. Paar; S. Rahatlou; V. Sharma; J. W. Berryhill; C. Campagnari; A. Cunha; B. Dahmes; T. M. Hong; M. A. Mazur; J. D. Richman; W. Verkerke; T. W. Beck; A. M. Eisner; C. J. Flacco; C. A. Heusch; J. Kroseberg; W. S. Lockman; G. Nesom; T. Schalk; B. A. Schumm; A. Seiden; P. Spradlin; D. C. Williams; M. G. Wilson; J. Albert; G. P. Dubois Felsmann; A. Dvoretskii; D. G. Hitlin; I. Narsky; T. Piatenko; F. C. Porter; A. Ryd; A. Samuel; R. Andreassen; S. Jayatilleke; G. Mancinelli; B. T. Meadows; M. D. Sokoloff; F. Blanc; P. Bloom; S. Chen; W. T. Ford; U. Nauenberg; A. Olivas; P. Rankin; W. O. Ruddick; J. G. Smith; K. A. Ulmer; S. R. Wagner; J. Zhang; A. Chen; E. A. Eckhart; A. Soffer; W. H. Toki; R. J. Wilson; Q. Zeng; D. Altenburg; E. Feltresi; A. Hauke; B. Spaan; T. Brandt; J. Brose; M. Dickopp; V. Klose; H. M. Lacker; R. Nogowski; S. Otto; A. Petzold; G. Schott; J. Schubert; K. R. Schubert; R. Schwierz; J. E. Sundermann; D. Bernard; G. R. Bonneaud; P. Grenier; S. Schrenk; C.h. Thiebaux; G. Vasileiadis; M. Verderi; D. J. Bard; P. J. Clark; W. Gradl; F. Muheim; S. Playfer; Y. Xie; M. Andreotti; V. Azzolini; D. Bettoni; C. Bozzi; R. Calabrese; G. Cibinetto; E. Luppi; M. Negrini; L. Piemontese; F. Anulli; R. Baldini Ferroli; A. Calcaterra; R. de Sangro; G. Finocchiaro; P. Patteri; I. M. Peruzzi;

doi: 10.1103/physrevd.79.031102

arXiv: 0804.4412

handle: 10261/21994 , 2445/131670 , 11588/366767 , 11368/2336507 , 2434/151391 , 10281/389448 , 11577/2433943 , 11573/225200 , 11392/1377815 , 11567/294809 , 11585/548077 , 2318/77252 , 11586/179871

Angular distributions in the decayB→K*l+l−

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Abstract

We use a sample of 384 million BBbar events collected with the Babar detector at the PEP-II e+e- collider to study angular distributions in the rare decays B -> K* l+l-, where l+l- is either e+e- or mu+mu-. For low dilepton invariant masses, m(l+l-)3.2$ GeV/c^2, we measure AFB=0.76 (+0.52,-0.32) +/- 0.07 FL=0.71 (+0.20,-0.22) +/- 0.04.

Comment: 7 pages, 4 postscript figures, submitted to Phys. Rev. Lett; v1 withdrawn from PRL; v2 8 pages, 4 postscript figures resubmitted to PRD-RC

Countries

Italy, France, Italy, Italy, Italy, Italy, Italy, France, Spain, France, France, Italy, France, Italy, United States, Italy, Italy, Italy, Italy, France, Italy, France

Related Organizations

University of Bristol
United Kingdom
University of Massachusetts Amherst
United States
University of Colorado System
United States
University of London
United Kingdom
University of Manchester
United Kingdom

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Keywords

Quantum Physics, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], BABAR, Particle physics, Molecular, HEP; BaBar, BABAR detector, 530, Atomic, Nuclear & Particles Physics, PARTICLE PHYSICS; PEP2; BABAR, High Energy Physics - Experiment, Particle and Plasma Physics, 13.20.He, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], PEP2, backward-forward asymmetries ; angular analysis, PARTICLE PHYSICS, Nuclear, Física de partícules, Experiments, Astronomical and Space Sciences

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