Phys. Rev. Lett.
80,
3193–3197
(1998)
Measurement of B(D0 → K-π+) Using Partial Reconstruction of B̅ → D*+Xℓ-ν̅
M. Artuso et al. (CLEO Collaboration)
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M. Artuso1, F. Azfar1, A. Efimov1, M. Goldberg1, D. He1, S. Kopp1, G. C. Moneti1, R. Mountain1, S. Schuh1, T. Skwarnicki1, S. Stone1, G. Viehhauser1, X. Xing1, J. Bartelt2, S. E. Csorna2, V. Jain2,*, K. W. McLean2, S. Marka2, R. Godang3, K. Kinoshita3, I. C. Lai3, P. Pomianowski3, S. Schrenk3, G. Bonvicini4, D. Cinabro4, R. Greene4, L. P. Perera4, G. J. Zhou4, M. Chadha5, S. Chan5, G. Eigen5, J. S. Miller5, C. O'Grady5, M. Schmidtler5, J. Urheim5, A. J. Weinstein5, F. Würthwein5, D. W. Bliss6, G. Masek6, H. P. Paar6, S. Prell6, V. Sharma6, D. M. Asner7, J. Gronberg7, T. S. Hill7, D. J. Lange7, R. J. Morrison7, H. N. Nelson7, T. K. Nelson7, D. Roberts7, A. Ryd7, R. Balest8, B. H. Behrens8, W. T. Ford8, H. Park8, J. Roy8, J. G. Smith8, J. P. Alexander9, R. Baker9, C. Bebek9, B. E. Berger9, K. Berkelman9, K. Bloom9, V. Boisvert9, D. G. Cassel9, D. S. Crowcroft9, M. Dickson9, S. von Dombrowski9, P. S. Drell9, K. M. Ecklund9, R. Ehrlich9, A. D. Foland9, P. Gaidarev9, L. Gibbons9, B. Gittelman9, S. W. Gray9, D. L. Hartill9, B. K. Heltsley9, P. I. Hopman9, J. Kandaswamy9, P. C. Kim9, D. L. Kreinick9, T. Lee9, Y. Liu9, N. B. Mistry9, C. R. Ng9, E. Nordberg9, M. Ogg9,†, J. R. Patterson9, D. Peterson9, D. Riley9, A. Soffer9, B. Valant-Spaight9, C. Ward9, M. Athanas10, P. Avery10, C. D. Jones10, M. Lohner10, S. Patton10, C. Prescott10, J. Yelton10, J. Zheng10, G. Brandenburg11, R. A. Briere11, A. Ershov11, Y. S. Gao11, D. Y.-J. Kim11, R. Wilson11, H. Yamamoto11, T. E. Browder12, Y. Li12, J. L. Rodriguez12, T. Bergfeld13, B. I. Eisenstein13, J. Ernst13, G. E. Gladding13, G. D. Gollin13, R. M. Hans13, E. Johnson13, I. Karliner13, M. A. Marsh13, M. Palmer13, M. Selen13, J. J. Thaler13, K. W. Edwards14a,14b, A. Bellerive15a,15b, R. Janicek15a,15b, D. B. MacFarlane15a,15b, P. M. Patel15a,15b, A. J. Sadoff16, R. Ammar17, P. Baringer17, A. Bean17, D. Besson17, D. Coppage17, C. Darling17, R. Davis17, S. Kotov17, I. Kravchenko17, N. Kwak17, L. Zhou17, S. Anderson18, Y. Kubota18, S. J. Lee18, J. J. O'Neill18, R. Poling18, T. Riehle18, A. Smith18, M. S. Alam19, S. B. Athar19, Z. Ling19, A. H. Mahmood19, S. Timm19, F. Wappler19, A. Anastassov20, J. E. Duboscq20, D. Fujino20,‡, K. K. Gan20, T. Hart20, K. Honscheid20, H. Kagan20, R. Kass20, J. Lee20, M. B. Spencer20, M. Sung20, A. Undrus20,§, R. Wanke20, A. Wolf20, M. M. Zoeller20, B. Nemati21, S. J. Richichi21, W. R. Ross21, H. Severini21, P. Skubic21, M. Bishai22, J. Fast22, J. W. Hinson22, N. Menon22, D. H. Miller22, E. I. Shibata22, I. P. J. Shipsey22, M. Yurko22, S. Glenn23, S. D. Johnson23, Y. Kwon23,**, S. Roberts23, E. H. Thorndike23, C. P. Jessop24, K. Lingel24, H. Marsiske24, M. L. Perl24, V. Savinov24, D. Ugolini24, R. Wang24, X. Zhou24, T. E. Coan25, V. Fadeyev25, I. Korolkov25, Y. Maravin25, I. Narsky25, V. Shelkov25, J. Staeck25, R. Stroynowski25, I. Volobouev25, and J. Ye25 (CLEO Collaboration)
1Syracuse University, Syracuse, New York 13244
2Vanderbilt University, Nashville, Tennessee 37235
3Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
4Wayne State University, Detroit, Michigan 48202
5California Institute of Technology, Pasadena, California 91125
6University of California, San Diego, La Jolla, California 92093
7University of California, Santa Barbara, California 93106
8University of Colorado, Boulder, Colorado 80309-0390
9Cornell University, Ithaca, New York 14853
10University of Florida, Gainesville, Florida 32611
11Harvard University, Cambridge, Massachusetts 02138
12University of Hawaii at Manoa, Honolulu, Hawaii 96822
13University of Illinois, Urbana-Champaign, Illinois 61801
14aCarleton University, Ottawa, Ontario K1S 5B6, Canada
14band the Institute of Particle Physics, Canada
15aMcGill University, Montréal, Québec H3A 2T8, Canada
15bthe Institute of Particle Physics Canada
16Ithaca College, Ithaca, New York 14850
17University of Kansas, Lawrence, Kansas 66045
18University of Minnesota, Minneapolis, Minnesota 55455
19State University of New York at Albany, Albany, New York 12222
20Ohio State University, Columbus, Ohio 43210
21University of Oklahoma, Norman, Oklahoma 73019
22Purdue University, West Lafayette, Indiana 47907
23University of Rochester, Rochester, New York 14627
24Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309
25Southern Methodist University, Dallas, Texas 75275
Received 17 December 1997; published in the issue dated 13 April 1998
We present a measurement of the absolute branching fraction for D0→K-π+ using the reconstruction of the decay chain B̅ →D*+Xℓ-ν̅ , D*+→D0π+ where only the lepton and the low-momentum pion from the D*+ are detected. With data collected by the CLEO II detector at the Cornell Electron Storage Ring, we have determined B(D0→K-π+) = [3.81±0.15(stat)±0.16(syst)]%.
© 1998 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevLett.80.3193
DOI:
10.1103/PhysRevLett.80.3193
*Permanent address: Brookhaven National Laboratory, Upton, NY 11973. †Permanent address: University of Texas, Austin, Texas 78712. ‡Permanent address: Lawrence Livermore National Laboratory, Livermore, CA 94551. §Permanent address: BINP, RU-630090, Novosibirsk, Russia. **Permanent address: Yonsei University, Seoul 120-749, Korea.
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