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Muon g-2 Anomaly and Extra Interaction of Composite Higgs in a Dynamically Broken Electroweak Theory | | B.A. Arbuzov
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30 Oct 2001 | | Subject: | hep-ph | | Abstract: | In electroweak theory without elementary Higgs scalars existence of a solution, which breaks initial symmetry is shown. A composite scalar doublet serves as a substitute for usual Higgs. The mass of the surviving Higgs scalar is predicted to be $M_H = 117 pm 7 GeV$. The resulting theory contains realistic $W, Z, t$ masses and composite massive Higgs. Parameters used are $g$, $ heta_W$, cut-off $Lambda simeq 3500 GeV$ and triple gauge constant $lambda_V simeq -0.034$. Stable nontrivial solution for extra interactions of the Higgs particle gives contribution to muon $g-2$: $Delta a = 49.4cdot 10^{-10}$ that agrees with the recently reported anomaly. The extra interaction leads to a number of experimental consequences for B.R. of Higgs decay and its production cross-sections in $e^+e^- $ and $ar p p$ collisions including recommendation for looking for Higgs via decay $H o 2 gamma$. | | Source: | arXiv, hep-ph/0110389 | | Services: | Forum | Review | PDF | Favorites | |
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