Phys. Rev. Lett.
79,
4533–4537
(1997)
Measurement of the Decay Amplitudes and Branching Fractions of B → J/ψK* and B → J/ψK Decays
C. P. Jessop et al. (CLEO Collaboration)
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C. P. Jessop1, K. Lingel1, H. Marsiske1, M. L. Perl1, S. F. Schaffner1, D. Ugolini1, R. Wang1, X. Zhou1, T. E. Coan2, V. Fadeyev2, I. Korolkov2, Y. Maravin2, I. Narsky2, V. Shelkov2, J. Staeck2, R. Stroynowski2, I. Volobouev2, J. Ye2, M. Artuso3, A. Efimov3, F. Frasconi3, M. Gao3, M. Goldberg3, D. He3, S. Kopp3, G. C. Moneti3, R. Mountain3, Y. Mukhin3, S. Schuh3, T. Skwarnicki3, S. Stone3, G. Viehhauser3, X. Xing3, J. Bartelt4, S. E. Csorna4, V. Jain4, S. Marka4, A. Freyberger5, R. Godang5, K. Kinoshita5, I. C. Lai5, P. Pomianowski5, S. Schrenk5, G. Bonvicini6, D. Cinabro6, R. Greene6, L. P. Perera6, B. Barish7, M. Chadha7, S. Chan7, G. Eigen7, J. S. Miller7, C. O'Grady7, M. Schmidtler7, J. Urheim7, A. J. Weinstein7, F. Würthwein7, D. M. Asner8, D. W. Bliss8, W. S. Brower8, G. Masek8, H. P. Paar8, V. Sharma8, J. Gronberg9, R. Kutschke9, D. J. Lange9, S. Menary9, R. J. Morrison9, H. N. Nelson9, T. K. Nelson9, C. Qiao9, J. D. Richman9, D. Roberts9, A. Ryd9, M. S. Witherell9, R. Balest10, B. H. Behrens10, K. Cho10, W. T. Ford10, H. Park10, P. Rankin10, J. Roy10, J. G. Smith10, J. P. Alexander11, C. Bebek11, B. E. Berger11, K. Berkelman11, K. Bloom11, D. G. Cassel11, H. A. Cho11, D. M. Coffman11, D. S. Crowcroft11, M. Dickson11, P. S. Drell11, K. M. Ecklund11, R. Ehrlich11, R. Elia11, A. D. Foland11, P. Gaidarev11, B. Gittelman11, S. W. Gray11, D. L. Hartill11, B. K. Heltsley11, P. I. Hopman11, J. Kandaswamy11, N. Katayama11, P. C. Kim11, D. L. Kreinick11, T. Lee11, Y. Liu11, G. S. Ludwig11, J. Masui11, J. Mevissen11, N. B. Mistry11, C. R. Ng11, E. Nordberg11, M. Ogg11, J. R. Patterson11, D. Peterson11, D. Riley11, A. Soffer11, C. Ward11, M. Athanas12, P. Avery12, C. D. Jones12, M. Lohner12, C. Prescott12, S. Yang12, J. Yelton12, J. Zheng12, G. Brandenburg13, R. A. Briere13, Y. S. Gao13, D. Y.-J. Kim13, R. Wilson13, H. Yamamoto13, T. E. Browder14, F. Li14, Y. Li14, J. L. Rodriguez14, T. Bergfeld15, B. I. Eisenstein15, J. Ernst15, G. E. Gladding15, G. D. Gollin15, R. M. Hans15, E. Johnson15, I. Karliner15, M. A. Marsh15, M. Palmer15, M. Selen15, J. J. Thaler15, K. W. Edwards16a,16b, A. Bellerive17a,17b, R. Janicek17a,17b, D. B. MacFarlane17a,17b, K. W. McLean17a,17b, P. M. Patel17a,17b, A. J. Sadoff18, R. Ammar19, P. Baringer19, A. Bean19, D. Besson19, D. Coppage19, C. Darling19, R. Davis19, N. Hancock19, S. Kotov19, I. Kravchenko19, N. Kwak19, S. Anderson20, Y. Kubota20, M. Lattery20, J. J. O'Neill20, S. Patton20, R. Poling20, T. Riehle20, V. Savinov20, A. Smith20, M. S. Alam21, S. B. Athar21, Z. Ling21, A. H. Mahmood21, H. Severini21, S. Timm21, F. Wappler21, A. Anastassov22, S. Blinov22, J. E. Duboscq22, K. D. Fisher22, D. Fujino22, R. Fulton22, K. K. Gan22, T. Hart22, K. Honscheid22, H. Kagan22, R. Kass22, J. Lee22, M. B. Spencer22, M. Sung22, A. Undrus22, R. Wanke22, A. Wolf22, M. M. Zoeller22, B. Nemati23, S. J. Richichi23, W. R. Ross23, P. Skubic23, M. Wood23, M. Bishai24, J. Fast24, E. Gerndt24, J. W. Hinson24, N. Menon24, D. H. Miller24, E. I. Shibata24, I. P. J. Shipsey24, M. Yurko24, L. Gibbons25, S. D. Johnson25, Y. Kwon25, S. Roberts25, and E. H. Thorndike25 (CLEO Collaboration)
1Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309
2Southern Methodist University, Dallas, Texas 75275
3Syracuse University, Syracuse, New York 13244
4Vanderbilt University, Nashville, Tennessee 37235
5Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
6Wayne State University, Detroit, Michigan 48202
7California Institute of Technology, Pasadena, California 91125
8University of California, San Diego, La Jolla, California 92093
9University of California, Santa Barbara, California 93106
10University of Colorado, Boulder, Colorado 80309-0390
11Cornell University, Ithaca, New York 14853
12University of Florida, Gainesville, Florida 32611
13Harvard University, Cambridge, Massachusetts 02138
14University of Hawaii at Manoa, Honolulu, Hawaii 96822
15University of Illinois, Champaign-Urbana, Illinois 61801
16aCarleton University, Ottawa, Ontario, Canada K1S 5B6,
16band the Institute of Particle Physics, Canada
17aMcGill University, Montréal, Québec, Canada H3A 2T8,
17band the Institute of Particle Physics, Canada
18Ithaca College, Ithaca, New York 14850
19University of Kansas, Lawrence, Kansas 66045
20University of Minnesota, Minneapolis, Minnesota 55455
21State University of New York at Albany, Albany, New York 12222
22The Ohio State University, Columbus, Ohio 43210
23University of Oklahoma, Norman, Oklahoma 73019
24Purdue University, West Lafayette, Indiana 47907
25University of Rochester, Rochester, New York 14627
Received 24 February 1997; published in the issue dated 8 December 1997
Using data taken with the CLEO II detector at the Cornell Electron Storage Ring, we present the first full angular analysis in the color-suppressed modes B0→J/ψK*0 and B+→J/ψK*+. This leads to a complete determination of the decay amplitudes of these modes including the longitudinal polarization γL/γ = 0.52±0.07±0.04 and the P wave component |P|2 = 0.16±0.08±0.04. In addition, we update the branching fractions for B→J/ψK and B→J/ψK*.
© 1997 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevLett.79.4533
DOI:
10.1103/PhysRevLett.79.4533
PACS:
13.25.Hw, 11.30.Er, 14.40.Nd
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