ρ0-ω Mixing Effect in the (ρ0,ω)→e+e－ Pair Decay

LIU Liang-Gang

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2024年10月30日

Chinese Physics C> 1993, Vol. 17> Issue(7) : 614-618

ρ⁰-ω Mixing Effect in the (ρ⁰,ω)→e⁺e^－ Pair Decay

LIU Liang-Gang ^,

Physics Department,Zhongshan University,Guangzhou 510275

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Abstract：
A possible form of ρ⁰-ω mixing is proposed.The mixing coupling constant is determined by (ρ⁰,ω)→π⁺π^－ decay rates.The (ρ⁰,ω) positron-electron pair decay rates are calculated and it is found that the mixing effect contributes 9.4% enhancement to ρ⁰→e⁺e^－ and 2.6% raduction to ω→e⁺e^－ decay processes.

References

[1]

E. M. Henley,G. A. Brown, in Meson in Nuclei. eds. M. Rho and D. H. Wilkinson (North-Holland, Ams-terdam, 1979)p.407[2]J. A. Nolen Jr. and J. P. Schiffer, Annu. Rev. Nucl. Sci.，19(1969),414.[3]J.W.Negele, Nucl. Phys.，A165(1971),305.H. Sato, Nucl. Phys.，A296(1976),378.[4]G. A. Miller, B. M. K. Nefkens, I. Slaus, Phys. Rep.，194(1990),1.[5]R. Abegg et al.，Phys. Rev. Lett.，56(1986),2571.A. G. Williams, A. W. Thomas, G. A. Miller, Phys. Rev.，C36(1987),1956.[6]P. G. Blunden, M. J. Iqbal, Phys. Lett.，H198(1987),14.[7]A. Quenzer et al,，Phys. Lett.，B76(1978),512.L. M. Barkov et al.，Nucl. Phys.，B256(1985),365.[8]P. C. Mcnamee,M. D. Scadron,S. A. Coon, Nucl. Phys.，A249(1075),483.[9]J. L. Friar, B. F..Gibson, Phys.Rev.C17(1978),1752.[10]N. Kroll, T. D. Lee, B. Zumino, Phys. Rev.，157(1967),1376.J. J. Sakurai, Current and Mesons (Univ. of Chicago Press, Chicago, 1969)[11]Review of Particle Properties, Phys. Lett., B204(1988)

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LIU Liang-Gang. ρ⁰-ω Mixing Effect in the (ρ⁰,ω)→e⁺e^－ Pair Decay[J]. Chinese Physics C, 1993, 17(7): 614-618.

LIU Liang-Gang. ρ⁰-ω Mixing Effect in the (ρ⁰,ω)→e⁺e^－ Pair Decay[J]. Chinese Physics C, 1993, 17(7): 614-618. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

ρ⁰-ω Mixing Effect in the (ρ⁰,ω)→e⁺e^－ Pair Decay

LIU Liang-Gang ^,

Corresponding author: LIU Liang-Gang,

Physics Department,Zhongshan University,Guangzhou 510275

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1993-07-05

Abstract: A possible form of ρ⁰-ω mixing is proposed.The mixing coupling constant is determined by (ρ⁰,ω)→π⁺π^－ decay rates.The (ρ⁰,ω) positron-electron pair decay rates are calculated and it is found that the mixing effect contributes 9.4% enhancement to ρ⁰→e⁺e^－ and 2.6% raduction to ω→e⁺e^－ decay processes.