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Precision determination of the D0 mass |
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| Authors: | Cawlfield C Eisenstein B I Karliner I Kim D Lowrey N Naik P Selen M White E J Wiss J Mitchell R E Shepherd M R Besson D Pedlar T K Cronin-Hennessy D Gao K Y Hietala J Kubota Y Klein T Lang B W Poling R Scott A W Smith A Zweber P Dobbs S Metreveli Z Seth K K Tomaradze A Ernst J Ecklund K M Severini H Love W Savinov V Aquines O Li Z Lopez A Mehrabyan S Mendez H Ramirez J Huang G S Miller D H Pavlunin V Sanghi B Shipsey I P J Xin B Adams G S Anderson M Cummings J P Danko I Hu D Moziak B Napolitano J He Q Insler J Muramatsu H Park C S Thorndike E H Yang F Coan T E Gao Y S Artuso M Blusk S Butt J |
| Institution: | University of Illinois, Urbana-Champaign, Illinois 61801, USA. |
| Abstract: | A precision measurement of the D0 meson mass has been made using approximately 281 pb(-1) of e+e- annihilation data taken with the CLEO-c detector at the psi(3770) resonance. The exclusive decay D0-->K_{S}phi has been used to obtain M(D0)=1864.847+/-0.150(stat)+/-0.095(syst) MeV. This corresponds to M(D0D*0)=3871.81+/-0.36 MeV, and leads to a well-constrained determination of the binding energy of the proposed D0D*0 molecule X(3872), as Eb=0.6+/-0.6 MeV. |
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