Measurement of $\sigma_ \chi_ c2 \cal B (\chi_ c2 \to J/\psi \gamma)/\sigma_ \chi_ c1 \cal B (\chi_ c1 \to J/\psi \gamma)$ in $p \bar p $ collisions at $\sqrt s $ 1.96-TeV

Un-Ki Yang, A Abulencia, collaboration C D F others

    Research output: Contribution to journalArticlepeer-review

    Original languageEnglish
    Number of pages232001
    JournalPhys. Rev. Lett.
    Volume98
    Publication statusPublished - 2007

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