KN and KKN Molecular States with I=1/2, 3/2 and JP=1/2+ Studied with Three-Body Faddeev Calculations" /> KN and KKN Molecular States with I=1/2, 3/2 and JP=1/2+ Studied with Three-Body Faddeev Calculations" /> KN and KKN Molecular States with I=1/2, 3/2 and JP=1/2+ Studied with Three-Body Faddeev Calculations" />
Chin. Phys. Lett.  2011, Vol. 28 Issue (6): 061401    DOI: 10.1088/0256-307X/28/6/061401
THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS |
KKN and KKN Molecular States with I=1/2, 3/2 and JP=1/2+ Studied with Three-Body Faddeev Calculations
JIA Er-Wei, PANG Hou-Rong
Department of Physics, Southeast University, Nanjing 210094
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JIA Er-Wei, PANG Hou-Rong 2011 Chin. Phys. Lett. 28 061401
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Abstract Using the Akaishi–Yamazaki (AY) and Hyodo–Weise (HW) effective KK, KN, KK and KN interactions, we study possible existence of KKN and KKN molecule states with I=1/2, 3/2 and JP=1/2+ by means of three−body Faddeev equations. We find that for HW potential, KKN and KKN systems with I=1/2 both are bound hadron molecular states with about 10 MeV binding energy. The relativistic effects of kinetic energy are of the order of 4–5 MeV. AY potential would give larger binding energy because of overestimating KN interaction strength. Although there are attractive interactions in the case of I=3/2, the interaction is too weak to bind the systems.
Keywords: 14.20.Gk      13.75.Jz      13.30.Eg      21.45.-v     
Received: 15 November 2010      Published: 29 May 2011
PACS:  14.20.Gk (Baryon resonances (S=C=B=0))  
  13.75.Jz (Kaon-baryon interactions)  
  13.30.Eg (Hadronic decays)  
  21.45.-v (Few-body systems)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/28/6/061401       OR      https://cpl.iphy.ac.cn/Y2011/V28/I6/061401
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JIA Er-Wei
PANG Hou-Rong
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