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SHEN Peng-nian, LIANG Wei-hong, ZOU Bing-song. N-pole Effect in Studying N* via J/Ψ→NM Decays[J]. Nuclear Physics Review, 2004, 21(2): 96-98. doi: 10.11804/NuclPhysRev.21.02.096
Citation: SHEN Peng-nian, LIANG Wei-hong, ZOU Bing-song. N-pole Effect in Studying N* via J/Ψ→NM Decays[J]. Nuclear Physics Review, 2004, 21(2): 96-98. doi: 10.11804/NuclPhysRev.21.02.096
shu

N-pole Effect in Studying N* via J/Ψ→NM Decays

doi: 10.11804/NuclPhysRev.21.02.096

  • 1 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China; 2 Department of Physics, Guangxi Normal University, Guilin 541004, Guangxi, China; 3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2004-06-20
  • N-pole contributions, especially due to off shell effect, in J/Ψ→ NM decays are
    carefully studied. It is found that the decay width is sensitive to the form factor. The Npole contribution as a background is important in the J/Ψ→Nπ decay, ignorable in the J/Ψ→Nη and Nη' decays, and sizable in the J/Ψ→Nω decay.
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N-pole Effect in Studying N* via J/Ψ→NM Decays

doi: 10.11804/NuclPhysRev.21.02.096
  • 1 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China; 2 Department of Physics, Guangxi Normal University, Guilin 541004, Guangxi, China; 3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2004-06-20

Abstract:  N-pole contributions, especially due to off shell effect, in J/Ψ→ NM decays are
carefully studied. It is found that the decay width is sensitive to the form factor. The Npole contribution as a background is important in the J/Ψ→Nπ decay, ignorable in the J/Ψ→Nη and Nη' decays, and sizable in the J/Ψ→Nω decay.

SHEN Peng-nian, LIANG Wei-hong, ZOU Bing-song. N-pole Effect in Studying N* via J/Ψ→NM Decays[J]. Nuclear Physics Review, 2004, 21(2): 96-98. doi: 10.11804/NuclPhysRev.21.02.096
Citation: SHEN Peng-nian, LIANG Wei-hong, ZOU Bing-song. N-pole Effect in Studying N* via J/Ψ→NM Decays[J]. Nuclear Physics Review, 2004, 21(2): 96-98. doi: 10.11804/NuclPhysRev.21.02.096
shu

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