摘要
本文提出了ρ~0-ω介子混合的一个可能形式,由(P^0,ω)→π^+π^-衰变定出其耦合常数,并计算了它对ρ~0,ω介子正负电子对衰变率的影响,结果表明其混合效应对ρ~0→e^+e^-增加9.4%,而对ω→e^+e^+则减少2.6%。
A possible form of ρ~0-ω mixing is proposed. The mixing coupling constant is determined by (ρ~0,ω)→π^+π^- decay rates. The (σ~0,ω) positron-electron pair decay rates are calculated andit is found that the mixing effect contributes 9.4% enhancement to σ~0→e^+e^- and 2.6% reduction to ω→e^+e^- decay processes.
出处
《高能物理与核物理》
CSCD
北大核心
1993年第7期614-618,共5页
High Energy Physics and Nuclear Physics