First Observation of Exclusive chi_cJ Decays to Two Charged and Two Neutral Hadrons

Details First Observation of Exclusive chi_cJ Decays to Two Charged and Two Neutral Hadrons First Observation of Exclusive chi_cJ Decays to Two Charged and Two Neutral Hadrons

2008-06-06

arxiv.org/abs/0806.1227v1

Phys.Rev.D78:092004,2008

Physics

High Energy Physics

High Energy Physics - Experiment

Available through http://www.lns.cornell.edu/public/CLNS/, submitted to Phys. Rev. D

Scientific paper

10.1103/PhysRevD.78.092004

We study exclusive chi_c0, chi_c1 and chi_c2 decays to four-hadron final states involving two charged and two neutral mesons: pi^+pi^-pi^0pi^0, K^+K^-pi^0pi^0, pppi^0pi^0, K^+K^-etapi^0, and K^+-pi^-+K^0pi^0o. The chi_c states are produced in radiative decays of 3.08 million psi-prime resonance decays and observed in the CLEO detector. We also measure the largest substructure contributions to the modes pi^+pi^-pi^0pi^0 and K^+-pi^-+K^0pi^0.

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