P-Wave Charmed Mesons

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概要

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• We study the P-wavc charmed meson spectroscopy. We analyze the mixing of two 1^+ states, the masses and decay widths of the P-wave charmed mesons by use of the Breit-Fermi Hamiltonian to accoun for the 1/m_Q effects. Though the possibility of the case that D_1(2420) observed by experiments belongs to the s^P_l=(3/2)^+ dominant multiplet is high but not yet decisive. Therefore we also examine the case where the D_1(2420) belongs to the s^P_l=(1/2)^+ dominant multiplet. For these two cases the relation between the masses and decay widths of the P-wave charmed mesons is obtained. When D_1(2420) is assigned into the member of the s^P_l=(3/2)^+ dominant multiplet, the decay widths of unfound D_1 and D^*_0 become very large, which is consistent to the fact that these states are not found yet by the experiments.

• 理論物理学刊行会の論文
• 1996-03-25

著者

• SAWADA Shoji

  Department of Physics, Nagoya University

• Sawada S

  Department Of Physics Nagoya University

• Sawada Shoji

  Department Of Physics Hiroshima University

• MATSUI Yoshimitsu

  Department of Physics, Nagoya University

• Suzuki Tsuyoshi

  Department Of Cancer Immunotherapy Osaka University Graduate School Of Medicine

• Ito Toshiaki

  Department Of Cardiovascular Surgery Nagoya 1st Red Cross Hospital

• Ito Toshiaki

  Department Of Physics Nagoya University

• Suzuki Tsuyoshi

  Department Of Physics Nagoya University

• NAKASHIMA Katsuo

  Department of Physics, Nagoya University

• Matsui Yoshimitsu

  Department Of Physics Nagoya University

• Nakashima Katsuo

  Department Of Physics Nagoya University

• Ito Toshiaki

  Department Of Cardiovascular Surgery Japanese Red Cross Nagoya First Hospital

• SUZUKI Tsuyoshi

  Department of Physics, Nagoya University

• Suzuki Tsuyoshi

  Department of Applied Chemistry, Yamanashi University

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