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Phys. Rev. D 62, 013009 (2000) [10 pages]

Measuring Higgs boson couplings at the CERN LHC

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D. Zeppenfeld1, R. Kinnunen2, A. Nikitenko2,*, and E. Richter-Wa̧s3
1Department of Physics, University of Wisconsin, Madison, Wisconsin 53706CERN, TH Division, 1211 Geneva 23, Switzerland
2Helsinki Institute of Physics, Helsinki, Finland
3CERN, IT Division, 1211 Geneva 23, SwitzerlandInstitute of Computer Science, Jagellonian University, Institute of Nuclear Physics, 30-055 Krakow, ul. Kawiory 26a, Poland

Received 3 February 2000; published 8 June 2000

For an intermediate mass Higgs boson with SM-like couplings the CERN LHC allows observation of a variety of decay channels in production by gluon fusion and weak boson fusion. Cross section ratios provide measurements of various ratios of Higgs couplings, with accuracies of order 15% for 100 fb-1 of data in each of the two LHC experiments. For Higgs boson masses above 120 GeV, minimal assumptions on the Higgs sector allow for an indirect measurement of the total Higgs boson width with an accuracy of 10 to 20 %, and of the H⃗WW partial width with an accuracy of about 10%.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.62.013009
DOI:
10.1103/PhysRevD.62.013009
PACS:
14.80.Bn, 13.85.-t

*On leave from ITEP, Moscow, Russia.

 
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