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

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

    Corresponding author: LIU Liang-Gang,
  • Physics Department,Zhongshan University,Guangzhou 510275

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.

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