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Measurement of differential cross sections for Higgs boson production in the diphoton decay channel in $pp$ collisions at $\sqrt{s} = 8\mathrm{\,Te\kern -0.1em V}$


CMS Collaboration; Canelli, F; Chiochia, V; Kilminster, B; Robmann, P; et al (2016). Measurement of differential cross sections for Higgs boson production in the diphoton decay channel in $pp$ collisions at $\sqrt{s} = 8\mathrm{\,Te\kern -0.1em V}$. European Physical Journal C - Particles and Fields, 76(1):13.

Abstract

A measurement is presented of differential cross sections for Higgs boson (H) production in pp collisions at $\sqrt{s} = 8\mathrm{\,Te\kern -0.1em V}$. The analysis exploits the $H \to \gamma \gamma$ decay in data corresponding to an integrated luminosity of 19.7fb$^{−1}$ collected by the CMS experiment at the LHC. The cross section is measured as a function of the kinematic properties of the diphoton system and of the associated jets. Results corrected for detector effects are compared with predictions at next-to-leading order and next-to-next-to-leading order in perturbative quantum chromodynamics, as well as with predictions beyond the standard model. For isolated photons with pseudorapidities $|\eta| <2.5$, and with the photon of largest and next-to-largest transverse momentum ($p^{γ}_{T}$) divided by the diphoton mass mγγ satisfying the respective conditions of $p^{γ}_{T}/m_{ \gamma \gamma}>1/3$ and $>1/4$, the total fiducial cross section is $32\pm10$\,fb.

Abstract

A measurement is presented of differential cross sections for Higgs boson (H) production in pp collisions at $\sqrt{s} = 8\mathrm{\,Te\kern -0.1em V}$. The analysis exploits the $H \to \gamma \gamma$ decay in data corresponding to an integrated luminosity of 19.7fb$^{−1}$ collected by the CMS experiment at the LHC. The cross section is measured as a function of the kinematic properties of the diphoton system and of the associated jets. Results corrected for detector effects are compared with predictions at next-to-leading order and next-to-next-to-leading order in perturbative quantum chromodynamics, as well as with predictions beyond the standard model. For isolated photons with pseudorapidities $|\eta| <2.5$, and with the photon of largest and next-to-largest transverse momentum ($p^{γ}_{T}$) divided by the diphoton mass mγγ satisfying the respective conditions of $p^{γ}_{T}/m_{ \gamma \gamma}>1/3$ and $>1/4$, the total fiducial cross section is $32\pm10$\,fb.

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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2016
Deposited On:09 Jan 2017 08:34
Last Modified:28 Sep 2017 14:31
Publisher:Springer
ISSN:1434-6044
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1140/epjc/s10052-015-3853-3

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Preview
Content: Published Version
Filetype: PDF
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Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)