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Observation of the Bc meson mass in the exclusive decay Bc --> Jpsi Pi

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Article number012001
<mark>Journal publication date</mark>2/07/2008
<mark>Journal</mark>Physical review letters
Issue number1
Number of pages6
Publication StatusPublished
<mark>Original language</mark>English


A fully reconstructed Bc --> Jpsi Pi signal is observed with the D0 detector at the Fermilab Tevatron p-pbar collider. Using 1.3 inverse femtobarns of integrated luminosity, the signal is extracted with a significance more than five standard deviations above background. The measured Bc meson mass is 6300 (+-) 14 (stat) (+-) 5 (sys) MeV/cc

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© 2008 The American Physical Society 6 pages, 1 figure, submitted to Phys.Rev.Lett