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Observation of a New Ds Meson Decaying to DK at a Mass of 2.86 GeV/c2

Aubert, B. et al. (2006) Observation of a New Ds Meson Decaying to DK at a Mass of 2.86 GeV/c2. Physical Review Letters, 97 (22). p. 222001. ISSN 0031-9007

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Abstract

We observe a new Ds meson with mass (2856.6±1.5stat±5.0syst) MeV/c2 and width (48±7stat±10syst) MeV/c2 decaying into D0K+ and D+KS0. In the same mass distributions, we also observe a broad structure with mass (2688±4stat±3syst) MeV/c2 and width (112±7stat±36syst) MeV/c2. To obtain this result, we use 240 fb-1 of data recorded by the BABAR detector at the PEP-II asymmetric-energy e+e- storage rings at the Stanford Linear Accelerator Center running at center-of-mass energies near 10.6 GeV.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
Depositing User: Sharon Beastall
Date Deposited: 31 Mar 2011 12:46
Last Modified: 31 Mar 2011 12:46
URI: http://eprints.hud.ac.uk/id/eprint/9992

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