Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1996-08-14
Phys.Lett.B389:321-326,1996
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages (RevTeX) + 5 figures (Postscript). Requires epsfig.sty
Scientific paper
10.1016/S0370-2693(96)01283-X
An updated fit to the precision electroweak data and to the direct measurement of the top quark mass $m_t$ provides significant constraints on $m_t$ and on the Higgs boson mass $M_H$: $m_t/\text{GeV}=172\pm 6$ and $\log_{10}(M_H/\text{GeV})=2.16\pm 0.33$, with an error correlation $\rho=0.5$. We integrate the $(M_H, m_t)$ probability distribution found in this analysis over various zones of the $(M_H, m_t)$ plane defined by one-sided experimental and theoretical bounds on the Higgs boson mass, both in the Standard Model and in its minimal supersymmetric extension. The comparison of the cumulative probabilities gives interesting information on the likelihood that the true value of $M_H$ is compatible with different theoretical scenarios.
Ellis John
Fogli Gian Luigi
Lisi Eligio
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