2008

Branching Fractions for Transitions of psi(2S) to J/psi

CLEO Collaboration, Mendez, H.

Understand

We report determination of branching fractions for the decays psi(2S) --> h + J/psi, where h=any, pi+pi-, pi0pi0, eta, pi0, and gamma gamma through chi_{c0,1,2}.

  • These measurements use 27M psi(2S) decays produced in e+e- collision data collected with the CLEO detector.
  • The resulting branching fractions and ratios thereof improve upon previously achieved precision in all cases, and in combination with other measurements permit determination of B(chi_cJ --> gamma J/psi) and B(psi(2S) --> light hadrons).

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Similar

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