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26 April 2024
 
  » pubmed » pmid16606256

 Article overview



Dielectron widths of the Gamma(1S,2S,3S) resonances
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 ; K Arms ; H Severini ; S A Dytman ; W Love ; S Mehrabyan ; V Savinov ; O Aquines ; Z Li ; A Lopez ; 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 ; T E Coan ; Y S Gao ; F Liu ; R Stroynowski ; 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 ; J Chen ; T Ferguson ; G Tatishvili ; H Vogel ; M E Watkins ; ;
Date 10 Mar 2006
Journal Phys Rev Lett, 96 (9), 092003
AbstractWe determine the dielectron widths of the Gamma(1S), Gamma(2S), and Gamma(3S) resonances with better than 2% precision by integrating the cross section of e+e- -->Gamma over the e+e- center-of-mass energy. Using e+e- energy scans of the Gamma resonances at the Cornell Electron Storage Ring and measuring Gamma production with the CLEO detector, we find dielectron widths of 1.252+/-0.004(sigma(stat))+/-0.019(sigma(syst)) keV, 0.581+/-0.004+/-0.009 keV, and 0.413+/-0.004+/-0.006 keV for the Gamma(1S), Gamma(2S), and Gamma(3S), respectively.
Source PubMed, pmid16606256
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