Elias V, Mann R B, McKeon D G C, Steele T G
Perimeter Institute for Theoretical Physics, 35 King Street North, Waterloo, Ontario, Canada, N2J 2W9.
Phys Rev Lett. 2003 Dec 19;91(25):251601. doi: 10.1103/PhysRevLett.91.251601. Epub 2003 Dec 16.
In the absence of a tree-level scalar-field mass, renormalization-group methods permit the explicit summation of leading-logarithm contributions to all orders of the perturbative series within the effective potential for SU(2)xU(1) electroweak symmetry. This improvement of the effective potential function is seen to reduce residual dependence on the renormalization mass scale. The all-orders summation of leading-logarithm terms involving the dominant three couplings contributing to radiative corrections is suggestive of a potential characterized by a plausible Higgs boson mass of 216 GeV. However, the tree potential's local minimum at phi=0 is restored if QCD is sufficiently strong.
在没有树图水平标量场质量的情况下，重整化群方法允许对SU(2)×U(1)电弱对称性有效势内微扰级数的所有阶次的领头对数贡献进行显式求和。有效势函数的这种改进被认为减少了对重整化质量标度的剩余依赖。涉及对辐射修正有主要贡献的三个主导耦合的领头对数项的全阶次求和暗示了一个具有216 GeV合理希格斯玻色子质量的势。然而，如果量子色动力学足够强，树图势在φ = 0处的局部最小值会恢复。
