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5. 在T2HDM模型中中性希格斯粒子对B→Xsl+l-衰变过程的影响

在T2HDM模型中中性希格斯粒子对B→Xsl+l-衰变过程的影响

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户：deansam

【摘 要】

：

在T2HDM模型中计算了中性希格斯粒子圈图对稀有衰变过程B→Xsl+l-的贡献.通过计算发现:(a)中性希格斯粒子对衰变过程B→Xsl+l-的修正能够增强其标准模型的预言,但增幅很小;(b

【作 者】

：

吕林霞 肖振军 

【机 构】

：

吕林霞,南阳师范学院物理系,南京师范大学物理科学与技术学院

【出 处】

：

高能物理与核物理

【发表日期】

：

2004年期

【关键词】

：

双希格斯模型 中性希格斯玻色子 半轻衰变 分支比 two-Higgs-doublet model neutral Higgs bosons semilepton 

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论文部分内容阅读

在T2HDM模型中计算了中性希格斯粒子圈图对稀有衰变过程B→Xsl+l-的贡献.通过计算发现:(a)中性希格斯粒子对衰变过程B→Xsl+l-的修正能够增强其标准模型的预言,但增幅很小;(b)在中性希格斯玻色子的质量大于100GeV和tanβ＜40的情况下,中性希格斯粒子对稀有衰变过程B→Xsl+l-的分支比的贡献可忽略.

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