Model Independent Determination of the Top Yukawa Coupling from LHC and LC

Details Model Independent Determination of the Top Yukawa Coupling from LHC and LC Model Independent Determination of the Top Yukawa Coupling from LHC and LC

2004-07-14

arxiv.org/abs/hep-ph/0407159v1

Eur.Phys.J.C46:527-531,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

A contribution to the LHC / LC Study Group document, 7 pages, 3 figures

Scientific paper

10.1140/epjc/s2006-02534-6

We show how a measurement of the process pp-->t tbar H + X at the LHC and a measurement of the Higgs boson branching ratios BR(H-->b bar) and BR(H-->W+W-) at a future linear electron positron collider can be combined to extract a model-independent measurement of the top quark Yukawa coupling. We find that for 120 GeV < m_H < 200 GeV a measurement precision of 15% including systematic uncertainties can be achieved for integrated luminosities of 300 fb-1 at the LHC and 500 fb-1 at the LC at a centre-of-mass energy of 350 GeV.

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