Journal
PHYSICS LETTERS B
Volume 600, Issue 3-4, Pages 255-260Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2004.09.008
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We compute the two-loop electroweak corrections due to the top quark to the gluon fusion production cross section of an intermediate-mass Higgs boson. This result, together with the previously known contribution due to the light fermions, allows a complete determination of the two-loop electroweak corrections to this production cross section. For Higgs mass values above 120 GeV the top corrections have opposite sign of the light fermlions contribution, however they are always smaller in size reaching at most 15% of the latter. The total electroweak corrections to the gluon fusion production cross section for 115 GeV less than or similar to m(H) less than or similar to 2m(W) range from 5% to 8% of the lowest order term. (C) 2004 Published by Elsevier B.V.
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