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Heavy quarkonium 2S states in the light-front quark model

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Abstract

We study the charmonium 2S states ψ′ and η′ c , and the bottomonium 2S states Υ′ and η′ b , using the light-front quark model and the 2S state wave function of harmonic oscillator as the approximation of the 2S quarkonium wave function. The decay constants, transition form factors and masses of these mesons are calculated and compared with experimental data. Predictions of quantities such as Br(ψ′→γη′ c ) are made. The 2S wave function may help us learn more about the structure of these heavy quarkonia.

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Authors and Affiliations

  1. School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, 100871, Beijing, China

    Tao Peng & Bo-Qiang Ma

  2. Center for High Energy Physics, Peking University, 100871, Beijing, China

    Bo-Qiang Ma

Authors
  1. Tao Peng
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  2. Bo-Qiang Ma
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Communicated by M. Anselmino

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Peng, T., Ma, BQ. Heavy quarkonium 2S states in the light-front quark model. Eur. Phys. J. A 48, 66 (2012). https://doi.org/10.1140/epja/i2012-12066-9

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  • DOI: https://doi.org/10.1140/epja/i2012-12066-9

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