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Measuring the Higgs boson self-coupling at the LHC using ratios of cross sections

Florian Goertz
(
- Zurich, ETH
)
,
Andreas Papaefstathiou
(
- Zurich U.
)
,
Li Lin Yang
(
- Peking U.
)
,
José Zurita
(
- Mainz U.
)

Sep 15, 2013

4 pages

Contribution to:

25th Rencontres de Blois on Particle Physics and Cosmology

e-Print:

1309.3805 [hep-ph]

View in:

ADS Abstract Service

reference search16 citations

Citations per year

Abstract: (arXiv)

We consider the ratio between the double and single Higgs production cross sections and examine the prospect of measuring the trilinear Higgs self-coupling using this observable. Such a ratio has a reduced theoretical (scale) uncertainty than the double Higgs cross section. We find that with 600/fb, the 14 TeV LHC can constraint the trilinear Higgs self coupling to be positive, and with 3000/fb one could measure it with a +30 % {-20 %}) accuracy.

Note:

4 pages, 2 figures, to appear in the proceedings of the 25th "Rencontres de Blois", Blois, France, May 27-31, 2013

cross section: ratio
CERN LHC Coll
Higgs particle: coupling
p p: inclusive reaction
Higgs particle: single production
Higgs particle: pair production

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