New Narrow Nucleon N*(1685)

Details New Narrow Nucleon N*(1685) New Narrow Nucleon N*(1685)

2008-07-21

arxiv.org/abs/0807.3217v2

JETPLett.88:347-350,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Typos are corrected. Version published in JETP Letters (Pis'ma v ZhETF)

Scientific paper

10.1134/S002136400818001X

We argue that the existence of a new narrow (Gamma < 25 MeV) nucleon resonance N*(1685) is strongly supported by recent data on eta photoproduction off the nucleon. The resonance has much stronger photo-coupling to the neutron than to the proton. This nucleon resonance is a good candidate for the non-strange member of the exotic anti-decouplet of baryons -- the partner of the pentaquark Theta+. All up to date known properties of new N*(1685) are summarized.

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