Document Detail

Charmonium Decays of Y(4260), psi(4160), and psi(4040).
MedLine Citation:
PMID:  16712216     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Using data collected with the CLEO detector operating at the CESR e+e- collider at sqrt[s]=3.97-4.26 GeV, we investigate 15 charmonium decay modes of the psi(4040), psi(4160), and Y(4260) resonances. We confirm, at 11 sigma significance, the BABAR Y(4260)-->pi+pi- J/psi discovery, make the first observation of Y(4260)--> pi(0)pi(0) J/psi (5.1 sigma), and find the first evidence for Y(4260)-->K+K- J/psi(3.7 sigma). We measure e+e- cross sections at sqrt[s]=4.26 GeV as sigma(pi+pi- J/psi)=58(+12)(-10)+/-4 pb, sigma(pi(0)pi(0) J/psi)=23(+12)(-8)+/-1 pb, and sigma(K+K- J/psi)=9(+9)(-5)+/-1 pb, in which the uncertainties are statistical and systematic, respectively. Upper limits are placed on other decay rates from all three resonances.
T E Coan; Y S Gao; F Liu; M Artuso; S Blusk; J Butt; J Li; N Menaa; R Mountain; S Nisar; K Randrianarivony; R Redjimi; R Sia; T Skwarnicki; S Stone; J C Wang; K Zhang; S E Csorna; G Bonvicini; D Cinabro; M Dubrovin; A Lincoln; D M Asner; K W Edwards; R A Briere; I Brock; J Chen; T Ferguson; G Tatishvili; H Vogel; M E Watkins; J L Rosner; N E Adam; J P Alexander; K Berkelman; D G Cassel; J E Duboscq; K M Ecklund; R Ehrlich; L Fields; R S Galik; L Gibbons; R Gray; S W Gray; D L Hartill; B K Heltsley; D Hertz; C D Jones; J Kandaswamy; D L Kreinick; V E Kuznetsov; H Mahlke-Krüger; T O Meyer; P U E Onyisi; J R Patterson; D Peterson; E A Phillips; J Pivarski; D Riley; A Ryd; A J Sadoff; H Schwarthoff; X Shi; S Stroiney; W M Sun; T Wilksen; M Weinberger; S B Athar; P Avery; L Breva-Newell; R Patel; V Potlia; H Stoeck; J Yelton; P Rubin; C Cawlfield; B I Eisenstein; I Karliner; D Kim; N Lowrey; P Naik; C Sedlack; M Selen; E J White; J Wiss; M R Shepherd; D Besson; T K Pedlar; D Cronin-Hennessy; K Y Gao; D T Gong; J Hietala; Y Kubota; T Klein; B W Lang; R Poling; A W Scott; A Smith; S Dobbs; Z Metreveli; K K Seth; A Tomaradze; P Zweber; J Ernst; H Severini; S A Dytman; W Love; V Savinov; O Aquines; Z Li; A Lopez; S Mehrabyan; H Mendez; J Ramirez; G S Huang; D H Miller; V Pavlunin; B Sanghi; I P J Shipsey; B Xin; G S Adams; M Anderson; J P Cummings; I Danko; J Napolitano; Q He; J Insler; H Muramatsu; C S Park; E H Thorndike;
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Publication Detail:
Type:  Journal Article     Date:  2006-04-28
Journal Detail:
Title:  Physical review letters     Volume:  96     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2006 Apr 
Date Detail:
Created Date:  2006-05-22     Completed Date:  2006-07-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  162003     Citation Subset:  -    
Southern Methodist University, Dallas, Texas 75275, USA.
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