Study of KK strong interaction bound state and K<SUP>+</SUP>K<SUP>－</SUP> atomic state

ZHANG Yin-Jie; SHEN Peng-Nian; ZOU Bing-Song

Chinese Physics C> 2006, Vol. 30> Issue(3) : 212-216

Study of KK strong interaction bound state and K⁺K^－ atomic state

Institute of High Energy Physics, CAS, Beijing 100049, China2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China3 Institute of Theoretial Physics, CAS, Beijing 100080, China

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Abstract：
One meson exchange potential of the KK system is studied.When momentum-squared terms are included, the one meson (ρ,ω,φ) exchange potential alone fails to produce any KK bound state. With the Coulomb potential, K⁺K^－ can form atomic bound state---the kaonium. The influence of the one meson exchange potential on the ground state energy of kaonium and its decay widths to ππ and πη are evaluated.

References

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ZHANG Yin-Jie, SHEN Peng-Nian and ZOU Bing-Song. Study of KK strong interaction bound state and K⁺K^－ atomic state[J]. Chinese Physics C, 2006, 30(3): 212-216.

ZHANG Yin-Jie, SHEN Peng-Nian and ZOU Bing-Song. Study of KK strong interaction bound state and K⁺K^－ atomic state[J]. Chinese Physics C, 2006, 30(3): 212-216. shu

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Received: 2005-09-15
Revised: 2005-09-29

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of KK strong interaction bound state and K⁺K^－ atomic state

Corresponding author: ZHANG Yin-Jie,

Institute of High Energy Physics, CAS, Beijing 100049, China2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China3 Institute of Theoretial Physics, CAS, Beijing 100080, China

Received Date: 2005-09-15
Accepted Date: 2005-09-29
Available Online: 2006-03-05

Abstract: One meson exchange potential of the KK system is studied.When momentum-squared terms are included, the one meson (ρ,ω,φ) exchange potential alone fails to produce any KK bound state. With the Coulomb potential, K⁺K^－ can form atomic bound state---the kaonium. The influence of the one meson exchange potential on the ground state energy of kaonium and its decay widths to ππ and πη are evaluated.