Phys. Rev. D
74,
091104(R)
(2006)
[5 pages]
Confirmation of the Y(4260) resonance production in initial state radiation
Q. He et al. CLEO Collaboration
Show All Authors/Affiliations
Hide All Authors/Affiliations
Q. He1, J. Insler1, H. Muramatsu1, C. S. Park1, E. H. Thorndike1, F. Yang1, T. E. Coan2, Y. S. Gao2, M. Artuso3, S. Blusk3, J. Butt3, J. Li3, N. Menaa3, R. Mountain3, S. Nisar3, K. Randrianarivony3, R. Sia3, T. Skwarnicki3, S. Stone3, J. C. Wang3, K. Zhang3, S. E. Csorna4, G. Bonvicini5, D. Cinabro5, M. Dubrovin5, A. Lincoln5, D. M. Asner6, K. W. Edwards6, R. A. Briere7, J. Chen7, T. Ferguson7, G. Tatishvili7, H. Vogel7, M. E. Watkins7, J. L. Rosner8, N. E. Adam9, J. P. Alexander9, K. Berkelman9, D. G. Cassel9, J. E. Duboscq9, K. M. Ecklund9, R. Ehrlich9, L. Fields9, R. S. Galik9, L. Gibbons9, R. Gray9, S. W. Gray9, D. L. Hartill9, D. Hertz9, C. D. Jones9, J. Kandaswamy9, D. L. Kreinick9, V. E. Kuznetsov9, H. Mahlke-Krüger9, P. U. E. Onyisi9, J. R. Patterson9, D. Peterson9, J. Pivarski9, D. Riley9, A. Ryd9, A. J. Sadoff9, H. Schwarthoff9, X. Shi9, S. Stroiney9, W. M. Sun9, T. Wilksen9, M. Weinberger9, S. B. Athar10, R. Patel10, V. Potlia10, J. Yelton10, P. Rubin11, C. Cawlfield12, B. I. Eisenstein12, I. Karliner12, D. Kim12, N. Lowrey12, P. Naik12, C. Sedlack12, M. Selen12, E. J. White12, J. Wiss12, R. E. Mitchell13, M. R. Shepherd13, D. Besson14, T. K. Pedlar15, D. Cronin-Hennessy16, K. Y. Gao16, J. Hietala16, Y. Kubota16, T. Klein16, B. W. Lang16, R. Poling16, A. W. Scott16, A. Smith16, P. Zweber16, S. Dobbs17, Z. Metreveli17, K. K. Seth17, A. Tomaradze17, J. Ernst18, H. Severini19, S. A. Dytman20, W. Love20, V. Savinov20, O. Aquines21, Z. Li21, A. Lopez21, S. Mehrabyan21, H. Mendez21, J. Ramirez21, G. S. Huang22, D. H. Miller22, V. Pavlunin22, B. Sanghi22, I. P. J. Shipsey22, B. Xin22, G. S. Adams23, M. Anderson23, J. P. Cummings23, I. Danko23, and J. Napolitano23 (CLEO Collaboration)
1University of Rochester, Rochester, New York 14627, USA
2Southern Methodist University, Dallas, Texas 75275, USA
3Syracuse University, Syracuse, New York 13244, USA
4Vanderbilt University, Nashville, Tennessee 37235, USA
5Wayne State University, Detroit, Michigan 48202, USA
6Carleton University, Ottawa, Ontario, Canada K1S 5B6
7Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
8Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
9Cornell University, Ithaca, New York 14853
10University of Florida, Gainesville, Florida 32611, USA
11George Mason University, Fairfax, Virginia 22030, USA
12University of Illinois, Urbana-Champaign, Illinois 61801, USA
13Indiana University, Bloomington, Indiana 47405, USA
14University of Kansas, Lawrence, Kansas 66045, USA
15Luther College, Decorah, Iowa 52101, USA
16University of Minnesota, Minneapolis, Minnesota 55455, USA
17Northwestern University, Evanston, Illinois 60208, USA
18State University of New York at Albany, Albany, New York 12222, USA
19University of Oklahoma, Norman, Oklahoma 73019, USA
20University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
21University of Puerto Rico, Mayaguez, Puerto Rico 00681
22Purdue University, West Lafayette, Indiana 47907, USA
23Rensselaer Polytechnic Institute, Troy, New York 12180, USA
Received 25 October 2006; published 20 November 2006
Using 13.3 fb-1 of e+e- collision data taken in the Υ(1S-4S) region with the CLEO III detector at the CESR collider, a search has been made for the new resonance Y(4260) recently reported by the BABAR Collaboration. The production of Y(4260) in initial state radiation (ISR), and its decay into π+π-J/ψ, are confirmed. A good quality fit to our data is obtained with a single resonance. We determine M(Y(4260))=(4284-16+17(stat)±4(syst)) MeV/c2, Γ(Y(4260))=(73-25+39(stat)±5(syst)) MeV/c2, and Γee(Y(4260))×B(Y(4260)→π+π-J/ψ)=(8.9-3.1+3.9(stat)±1.8(syst)) eV/c2.
© 2006 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevD.74.091104
DOI:
10.1103/PhysRevD.74.091104
PACS:
14.40.Gx, 13.25.Gv, 13.66.Bc
|
|
