Mass of the higgs versus fourth generation masses

Details Mass of the higgs versus fourth generation masses Mass of the higgs versus fourth generation masses

2002-03-14

arxiv.org/abs/hep-ph/0203132v2

JETP Lett.76:127-130,2002; Pisma Zh.Eksp.Teor.Fiz.76:158-161,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 4 figures

Scientific paper

10.1134/1.1514752

The predicted value of the higgs mass $m_H$ is analyzed assuming the existence of the fourth generation of leptons ($N, E$) and quarks ($U, D$). The steep and flat directions are found in the five-dimensional parameter space: $m_H$, $m_U$, $m_D$, $m_N$, $m_E$. The LEPTOP fit of the precision electroweak data is compatible (in particular) with $m_H \sim 300$ GeV, $m_N \sim 50$ GeV, $m_E \sim 100$ GeV, $m_U +m_D \sim 500$ GeV, and $|m_U -m_D| \sim 75$ GeV. The quality of fits drastically improves when the data on b- and c-quark asymmetries and new NuTeV data on deep inelastic scattering are ignored.

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