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arXiv 1303.2402hep-ph
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在SM背景下希格斯质量的RGE

RGE of the Higgs mass in the context of the SM

Ligong Bian

摘要:

基于MS(或$\bar{\rm{MS}}$)方案,采用维数正则化方法(DREG)导出了$R_ξ$规范中Higgs质量的一圈级重整化群方程(RGE).研究了两圈能级下Higgs质量的尺度依赖性质。结果给出了正的希格斯质量,直到普朗克尺度附近的能量尺度。虽然遵循真空稳定性的论点,但希格斯粒子的质量在能量标度$10^{10}$ GeV以上需要为负,因为$M_{t}=173.3$ GeV。这种矛盾是由真空能量值的重整化引起的。

英文摘要:

Renormalization group equation (RGE) of the Higgs mass up to one-loop order is derived in $R_ξ$ gauge with dimensional regularization method (DREG) base on MS (or $\bar{\rm{MS}}$) scheme. Scale-dependent properties of the Higgs mass up to two-loop level are investigated. The result gives the positive Higgs mass up to energy scale around the Planck scale. While following the vacuum stability argument, the Higgs mass need to be negative above the energy scale $10^{10}$ GeV for $M_{t}=173.3$ GeV. The conflict is induced by the renormalization of vacuum energy value(VEV).

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