顶色辅助的多标度人工色理论对稀有过程e^+e^-→s的单圈效应  

One Loop Effects to the Process e^+ e^-→s in Topcolor-Assisted Multiscale Technicolor Model

作　　者：鲁公儒[1] 岳崇兴[1] 李卫彬[1] 孙俊峰[1] 

机构地区：[1]河南师范大学物理与信息工程学院,新乡453002

出　　处：《高能物理与核物理》2000年第11期998-1004,共7页High Energy Physics and Nuclear Physics

基　　金：国家自然科学基金;河南省杰出青年基金

摘　　要：讨论了顶色辅助的多标度人工色理论预言的赝标哥尔斯通玻色子（ｔｅｃｈ－ ｎｉｐｉｏｎｓ，ｔｏｐ－ｐｉｏｕｓ）对稀有过程ｅ＋ｅ－→ｂｓ的单圈效应，计算了该过程在ＬＥＰⅡ上 的产生截面，得到较标准模型预言值要大一个数量级的数值结果．并进一步讨 论了在Ｂ介子工厂上探测此稀有过程的可能性．We calculated the Pseudo-Goldstone bosons (technipions, top-pious) corrections to the cross-section a of the process e+ e- →bs in topcolor-assisted multiscale technicolor model at LEP Ⅱ energy region. Our results show that, with reasonable value of the parameters, the cross-section is one order larger than that predicted by the standard model. We discussed the possibility of detecting this rare event at the B-factoly.

关 键 词：顶色 人工色理论 单圈效应 稀有过程 PGBS 

分 类 号：O572[理学—粒子物理与原子核物理]