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

SHEN Peng-nian; LIANG Wei-hong; ZOU Bing-song

doi:10.11804/NuclPhysRev.21.02.096

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

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

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

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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

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