Precision Determination Of The D-0 Mass

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,Li J,Menaa N,Mountain R,Nisar S,Randrianarivony K,Sia R,Skwarnicki T,Stone S,Wang J C,Zhang K,Bonvicini G,Cinabro D,Dubrovin M,Lincoln A,Asner D M,Edwards K W,Briere R A,Ferguson T,Tatishvili G,Vogel H,Watkins M E,Rosner J L,Adam N E,Alexander J P,Cassel D G,Duboscq J E,Ehrlich R,Fields L,Galik R S,Gibbons L,Gray R,Gray S W,Hartill D L,Heltsley B K,Hertz D,Jones C D,Kandaswamy J,Kreinick D L,Kuznetsov V E,Mahlke-Krüger H,Onyisi P U E,Patterson J R,Peterson D,Pivarski J,Riley D,Ryd A,Sadoff A J,Schwarthoff H,Shi X,Stroiney S,Sun W M,Wilksen T,Athar S B,Patel R,Potlia V,Yelton J,Rubin P, Null Null

PHYSICAL REVIEW LETTERS（2007）

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摘要

A precision measurement of the D-0 meson mass has been made using similar to 281 pb(-1) of e(+)e(-) annihilation data taken with the CLEO-c detector at the psi(3770) resonance. The exclusive decay D-0 -> K-S phi has been used to obtain M(D-0)=1864.847 +/- 0.150(stat)+/- 0.095(syst) MeV. This corresponds to M((DD*0)-D-0)=3871.81 +/- 0.36 MeV, and leads to a well-constrained determination of the binding energy of the proposed (DD*0)-D-0 molecule X(3872), as E-b=0.6 +/- 0.6 MeV.

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binding energy

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