Phys. Rev. Lett.
95,
181801
(2005)
[5 pages]
Absolute Branching Fraction Measurements of Exclusive D+ Semileptonic Decays
G. S. Huang et al. CLEO Collaboration
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G. S. Huang1, D. H. Miller1, V. Pavlunin1, B. Sanghi1, I. P. J. Shipsey1, G. S. Adams2, M. Chasse2, M. Cravey2, J. P. Cummings2, I. Danko2, J. Napolitano2, Q. He3, H. Muramatsu3, C. S. Park3, W. Park3, E. H. Thorndike3, T. E. Coan4, Y. S. Gao4, F. Liu4, M. Artuso5, C. Boulahouache5, S. Blusk5, J. Butt5, E. Dambasuren5, O. Dorjkhaidav5, J. Li5, N. Menaa5, R. Mountain5, R. Nandakumar5, K. Randrianarivony5, R. Redjimi5, R. Sia5, T. Skwarnicki5, S. Stone5, J. C. Wang5, K. Zhang5, S. E. Csorna6, G. Bonvicini7, D. Cinabro7, M. Dubrovin7, R. A. Briere8, G. P. Chen8, J. Chen8, T. Ferguson8, G. Tatishvili8, H. Vogel8, M. E. Watkins8, J. L. Rosner9, N. E. Adam10, J. P. Alexander10, K. Berkelman10, D. G. Cassel10, V. Crede10, J. E. Duboscq10, K. M. Ecklund10, R. Ehrlich10, L. Fields10, L. Gibbons10, B. Gittelman10, R. Gray10, S. W. Gray10, D. L. Hartill10, B. K. Heltsley10, D. Hertz10, L. Hsu10, C. D. Jones10, J. Kandaswamy10, D. L. Kreinick10, V. E. Kuznetsov10, H. Mahlke-Krüger10, T. O. Meyer10, P. U. E. Onyisi10, J. R. Patterson10, D. Peterson10, E. A. Phillips10, J. Pivarski10, D. Riley10, A. Ryd10, A. J. Sadoff10, H. Schwarthoff10, X. Shi10, M. R. Shepherd10, S. Stroiney10, W. M. Sun10, D. Urner10, K. M. Weaver10, T. Wilksen10, M. Weinberger10, S. B. Athar11, P. Avery11, L. Breva-Newell11, R. Patel11, V. Potlia11, H. Stoeck11, J. Yelton11, P. Rubin12, C. Cawlfield13, B. I. Eisenstein13, G. D. Gollin13, I. Karliner13, D. Kim13, N. Lowrey13, P. Naik13, C. Sedlack13, M. Selen13, J. Williams13, J. Wiss13, K. W. Edwards14, D. Besson15, T. K. Pedlar16, D. Cronin-Hennessy17, K. Y. Gao17, D. T. Gong17, J. Hietala17, Y. Kubota17, T. Klein17, B. W. Lang17, S. Z. Li17, R. Poling17, A. W. Scott17, A. Smith17, S. Dobbs18, Z. Metreveli18, K. K. Seth18, A. Tomaradze18, P. Zweber18, J. Ernst19, A. H. Mahmood19, H. Severini20, D. M. Asner21, S. A. Dytman21, W. Love21, S. Mehrabyan21, J. A. Mueller21, V. Savinov21, Z. Li22, A. Lopez22, H. Mendez22, and J. Ramirez22 (CLEO Collaboration)
1Purdue University, West Lafayette, Indiana 47907, USA
2Rensselaer Polytechnic Institute, Troy, New York 12180, USA
3University of Rochester, Rochester, New York 14627, USA
4Southern Methodist University, Dallas, Texas 75275, USA
5Syracuse University, Syracuse, New York 13244, USA
6Vanderbilt University, Nashville, Tennessee 37235, USA
7Wayne State University, Detroit, Michigan 48202, USA
8Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
9Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
10Cornell University, Ithaca, New York 14853
11University of Florida, Gainesville, Florida 32611, USA
12George Mason University, Fairfax, Virginia 22030, USA
13University of Illinois, Urbana-Champaign, Illinois 61801, USA
14Carleton University, Ottawa, Ontario, Canada K1S 5B6 and the Institute of Particle Physics, Canada
15University of Kansas, Lawrence, Kansas 66045, USA
16Luther College, Decorah, Iowa 52101, USA
17University of Minnesota, Minneapolis, Minnesota 55455, USA
18Northwestern University, Evanston, Illinois 60208, USA
19State University of New York at Albany, Albany, New York 12222, USA
20University of Oklahoma, Norman, Oklahoma 73019, USA
21University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
22University of Puerto Rico, Mayaguez, Puerto Rico 00681
Received 22 June 2005; published 24 October 2005
Using data collected at the ψ(3770) resonance with the CLEO-c detector at the Cornell e+e- storage ring, we present improved measurements of the absolute branching fractions of D+ decays to K̅ 0e+νe, π0e+νe, K̅ *0e+νe, and ρ0e+νe, and the first observation and absolute branching fraction measurement of D+→ωe+νe. We also report the most precise tests to date of isospin invariance in semileptonic D0 and D+ decays.
© 2005 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevLett.95.181801
DOI:
10.1103/PhysRevLett.95.181801
PACS:
13.20.Fc, 12.38.Qk, 14.40.Lb
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