Precision Determination of the D{sup 0} Mass

Journal Article · Fri Mar 02 00:00:00 EST 2007 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.98.092002· OSTI ID:20957697

Cawlfield, C; Eisenstein, B I; Karliner, I; Kim, D; Lowrey, N; Naik, P; Selen, M; White, E J; Wiss, J ^[1]; Mitchell, R E; Shepherd, M R ^[2]; Besson, D ^[3]; Pedlar, T K ^[4]; Cronin-Hennessy, D; Gao, K Y; Hietala, J; Kubota, Y; Klein, T; Lang, B W; Poling, R ^[5]

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1. University of Illinois, Urbana-Champaign, Illinois 61801 (United States)
2. Indiana University, Bloomington, Indiana 47405 (United States)
3. University of Kansas, Lawrence, Kansas 66045 (United States)
4. Luther College, Decorah, Iowa 52101 (United States)
5. University of Minnesota, Minneapolis, Minnesota 55455 (United States)

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

• OSTI ID: 20957697
• Journal Information: Physical Review Letters, Vol. 98, Issue 9; Other Information: DOI: 10.1103/PhysRevLett.98.092002; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BINDING ENERGY
CESR STORAGE RING
D NEUTRAL MESONS
ELECTRON-POSITRON INTERACTIONS
ELECTRONS
GEV RANGE 01-10
MASS
MULTIPARTICLE SPECTROMETERS
PARTICLE DECAY
PARTICLE IDENTIFICATION
POSITRONS
PSI-3770 MESONS