The anthropic principle and the mass scale of the Standard Model

Details The anthropic principle and the mass scale of the Standard Model The anthropic principle and the mass scale of the Standard Model

1997-07-17

arxiv.org/abs/hep-ph/9707380v2

Phys.Rev.D57:5480-5492,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

28 pages, LaTeX. No changes from version originally submitted to archive, except that problem with figure file has been correc

Scientific paper

10.1103/PhysRevD.57.5480

In theories in which different regions of the universe can have different values of the the physical parameters, we would naturally find ourselves in a region which has parameters favorable for life. We explore the range of anthropically allowed values of the mass parameter in the Higgs potential, $\mu^2$. For $\mu^2<0$, the requirement that complex elements be formed suggests that the Higgs vacuum expectation value $v$ must have a magnitude less than 5 times its observed value. For $\mu^2>0$, baryon stability requires that $|\mu|<

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