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Charmonium Decays of Y(4260), psi(4160), and psi(4040) | | 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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; | | Date: |
28 Apr 2006 | | Journal: | Phys Rev Lett, 96 (16), 162003 | | Abstract: | 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. | | Source: | PubMed, pmid16712216 | | Services: | Forum | Review | Favorites | |
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