Higgs phenomenology of minimal Universal Extra Dimensions

Geneviève Bélanger; Alexander Belyaev; Matthew Brown; Mitsuru Kakizaki; Alexander Pukhov

doi:10.1051/epjconf/20122812070

Higgs phenomenology of minimal Universal Extra Dimensions

Geneviève Bélanger, Alexander Belyaev, Matthew Brown, Mitsuru Kakizaki, Alexander Pukhov

Program of Physics

Research output: Contribution to journal › Conference article › peer-review

12 Scopus citations

Abstract

The minimal model of Universal Extra Dimensions (MUED) is briefly reviewed. We explain how the cross-sections for Higgs production via gluon fusion and decay into photons are modified, relative the the Standard Model (SM) values, by KK particles running in loops, leading to an enhancement of the gg → h → γγ and gg → h → W⁺W^- cross-sections. ATLAS and CMS searches for the SM Higgs in these channels are reinterpreted in the context of MUED and used to place new limits on the MUED parameter space. Only a small region of between 1 and 3 GeV around m_h = 125 GeV for 500 GeV > R^-1 > 1600 GeV remains open at the 95 % confidence level.

Original language	English
Article number	12070
Journal	EPJ Web of Conferences
Volume	28
DOIs	https://doi.org/10.1051/epjconf/20122812070
State	Published - 2012
Event	22nd Hadron Collider Physics Symposium, HCP 2011 - Paris, France Duration: 2011/11/14 → 2011/11/18

ASJC Scopus subject areas

General Physics and Astronomy

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title = "Higgs phenomenology of minimal Universal Extra Dimensions",

abstract = "The minimal model of Universal Extra Dimensions (MUED) is briefly reviewed. We explain how the cross-sections for Higgs production via gluon fusion and decay into photons are modified, relative the the Standard Model (SM) values, by KK particles running in loops, leading to an enhancement of the gg → h → γγ and gg → h → W+W- cross-sections. ATLAS and CMS searches for the SM Higgs in these channels are reinterpreted in the context of MUED and used to place new limits on the MUED parameter space. Only a small region of between 1 and 3 GeV around mh = 125 GeV for 500 GeV > R-1 > 1600 GeV remains open at the 95 % confidence level.",

author = "Genevi{\`e}ve B{\'e}langer and Alexander Belyaev and Matthew Brown and Mitsuru Kakizaki and Alexander Pukhov",

year = "2012",

doi = "10.1051/epjconf/20122812070",

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T1 - Higgs phenomenology of minimal Universal Extra Dimensions

AU - Bélanger, Geneviève

AU - Belyaev, Alexander

AU - Brown, Matthew

AU - Kakizaki, Mitsuru

AU - Pukhov, Alexander

PY - 2012

Y1 - 2012

N2 - The minimal model of Universal Extra Dimensions (MUED) is briefly reviewed. We explain how the cross-sections for Higgs production via gluon fusion and decay into photons are modified, relative the the Standard Model (SM) values, by KK particles running in loops, leading to an enhancement of the gg → h → γγ and gg → h → W+W- cross-sections. ATLAS and CMS searches for the SM Higgs in these channels are reinterpreted in the context of MUED and used to place new limits on the MUED parameter space. Only a small region of between 1 and 3 GeV around mh = 125 GeV for 500 GeV > R-1 > 1600 GeV remains open at the 95 % confidence level.

AB - The minimal model of Universal Extra Dimensions (MUED) is briefly reviewed. We explain how the cross-sections for Higgs production via gluon fusion and decay into photons are modified, relative the the Standard Model (SM) values, by KK particles running in loops, leading to an enhancement of the gg → h → γγ and gg → h → W+W- cross-sections. ATLAS and CMS searches for the SM Higgs in these channels are reinterpreted in the context of MUED and used to place new limits on the MUED parameter space. Only a small region of between 1 and 3 GeV around mh = 125 GeV for 500 GeV > R-1 > 1600 GeV remains open at the 95 % confidence level.

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SN - 2101-6275

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JO - EPJ Web of Conferences

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M1 - 12070

T2 - 22nd Hadron Collider Physics Symposium, HCP 2011

Y2 - 14 November 2011 through 18 November 2011

ER -

Higgs phenomenology of minimal Universal Extra Dimensions

Abstract

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