Dielectron widths of the Gamma(1S,2S,3S) resonances
- PMID: 16606256
- DOI: 10.1103/PhysRevLett.96.092003
Dielectron widths of the Gamma(1S,2S,3S) resonances
Erratum in
- Phys Rev Lett. 2007 Sep 21;99(12):129902
Abstract
We 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.
Similar articles
-
Observation of anomalous upsilon(1S)pi+pi(-) and upsilon(2S)pi+pi(-) production near the upsilon(5S) resonance.Phys Rev Lett. 2008 Mar 21;100(11):112001. doi: 10.1103/PhysRevLett.100.112001. Epub 2008 Mar 17. Phys Rev Lett. 2008. PMID: 18517777
-
Evidence for the eta(b)(1S) meson in radiative Upsilon(2S) decay.Phys Rev Lett. 2009 Oct 16;103(16):161801. doi: 10.1103/PhysRevLett.103.161801. Epub 2009 Oct 15. Phys Rev Lett. 2009. PMID: 19905689
-
Observation of Upsilon(4S) decays to pi(+)pi(-)Upsilon(1S) and pi(+)pi(-)Upsilon(2S).Phys Rev Lett. 2006 Jun 16;96(23):232001. doi: 10.1103/PhysRevLett.96.232001. Epub 2006 Jun 13. Phys Rev Lett. 2006. PMID: 16803371
-
Observation of Upsilon(2S)-->etaUpsilon(1S) and search for related transitions.Phys Rev Lett. 2008 Nov 7;101(19):192001. doi: 10.1103/PhysRevLett.101.192001. Epub 2008 Nov 3. Phys Rev Lett. 2008. PMID: 19113261
-
Observation of Bs production at the Y(5S) resonance.Phys Rev Lett. 2006 Jan 20;96(2):022002. doi: 10.1103/PhysRevLett.96.022002. Epub 2006 Jan 18. Phys Rev Lett. 2006. PMID: 16486562
LinkOut - more resources
Full Text Sources