Measurement of the Higgs boson coupling properties in the H → ZZ ∗ → 4ℓ decay channel at √s=13 TeV with the ATLAS detector

M Aaboud; G Aad; B. Abbott; O Abdinov; B Abeloos; S. H. Abidi; Torsten Åkesson; Simona Bocchetta; Caterina Doglioni; Vincent Hedberg; Göran Jarlskog; Charles Kalderon; Edgar Kellermann; Balazs Konya; Else Lytken; Katja Mankinen; Ulf Mjörnmark; Ruth Pöttgen; Trine Poulsen; Oxana Smirnova; Oleksandr Viazlo; ATLAS Collaboration

doi:10.1007/JHEP03(2018)095

Measurement of the Higgs boson coupling properties in the H → ZZ ∗ → 4ℓ decay channel at √s=13 TeV with the ATLAS detector

M Aaboud, G Aad, B. Abbott, O Abdinov, B Abeloos, S. H. Abidi, Torsten Åkesson, Simona Bocchetta, Caterina Doglioni, Vincent Hedberg, Göran Jarlskog, Charles Kalderon, Edgar Kellermann, Balazs Konya, Else Lytken, Katja Mankinen, Ulf Mjörnmark, Ruth Pöttgen, Trine Poulsen, Oxana SmirnovaOleksandr Viazlo, ATLAS Collaboration

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Abstract

The coupling properties of the Higgs boson are studied in the four-lepton (e, μ) decay channel using 36.1 fb−1 of pp collision data from the LHC at a centre-of-mass energy of 13 TeV collected by the ATLAS detector. Cross sections are measured for the main production modes in several exclusive regions of the Higgs boson production phase space and are interpreted in terms of coupling modifiers. The inclusive cross section times branching ratio for H → ZZ∗ decay and for a Higgs boson absolute rapidity below 2.5 is measured to be 1. 73− 0.23 + 0.24(stat.)− 0.08 + 0.10(exp.) ± 0.04(th.) pb compared to the Standard Model prediction of 1.34±0.09 pb. In addition, the tensor structure of the Higgs boson couplings is studied using an effective Lagrangian approach for the description of interactions beyond the Standard Model. Constraints are placed on the non-Standard-Model CP-even and CP-odd couplings to Z bosons and on the CP-odd coupling to gluons.[Figure not available: see fulltext.]. © 2018, The Author(s).

Original language	English
Article number	2018:95
Journal	Journal of High Energy Physics
Volume	2018
Issue number	3
DOIs	https://doi.org/10.1007/JHEP03(2018)095
Publication status	Published - 2018 Mar 1

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Export Date: 9 April 2018

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Subatomic Physics

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Hadron-Hadron scattering (experiments)

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Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., Åkesson, T., Bocchetta, S., Doglioni, C., Hedberg, V., Jarlskog, G., Kalderon, C., Kellermann, E., Konya, B., Lytken, E., Mankinen, K., Mjörnmark, U., Pöttgen, R., Poulsen, T., ... ATLAS Collaboration (2018). Measurement of the Higgs boson coupling properties in the H → ZZ ∗ → 4ℓ decay channel at √s=13 TeV with the ATLAS detector. Journal of High Energy Physics, 2018(3), Article 2018:95. https://doi.org/10.1007/JHEP03(2018)095

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title = "Measurement of the Higgs boson coupling properties in the H → ZZ ∗ → 4ℓ decay channel at √s=13 TeV with the ATLAS detector",

abstract = "The coupling properties of the Higgs boson are studied in the four-lepton (e, μ) decay channel using 36.1 fb−1 of pp collision data from the LHC at a centre-of-mass energy of 13 TeV collected by the ATLAS detector. Cross sections are measured for the main production modes in several exclusive regions of the Higgs boson production phase space and are interpreted in terms of coupling modifiers. The inclusive cross section times branching ratio for H → ZZ∗ decay and for a Higgs boson absolute rapidity below 2.5 is measured to be 1. 73− 0.23 + 0.24(stat.)− 0.08 + 0.10(exp.) ± 0.04(th.) pb compared to the Standard Model prediction of 1.34±0.09 pb. In addition, the tensor structure of the Higgs boson couplings is studied using an effective Lagrangian approach for the description of interactions beyond the Standard Model. Constraints are placed on the non-Standard-Model CP-even and CP-odd couplings to Z bosons and on the CP-odd coupling to gluons.[Figure not available: see fulltext.]. {\textcopyright} 2018, The Author(s).",

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Aaboud, M, Aad, G, Abbott, B, Abdinov, O, Abeloos, B, Abidi, SH, Åkesson, T, Bocchetta, S, Doglioni, C , Hedberg, V , Jarlskog, G, Kalderon, C, Kellermann, E, Konya, B , Lytken, E, Mankinen, K, Mjörnmark, U, Pöttgen, R, Poulsen, T, Smirnova, O, Viazlo, O & ATLAS Collaboration 2018, 'Measurement of the Higgs boson coupling properties in the H → ZZ ∗ → 4ℓ decay channel at √s=13 TeV with the ATLAS detector', Journal of High Energy Physics, vol. 2018, no. 3, 2018:95. https://doi.org/10.1007/JHEP03(2018)095

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T1 - Measurement of the Higgs boson coupling properties in the H → ZZ ∗ → 4ℓ decay channel at √s=13 TeV with the ATLAS detector

AU - Aaboud, M

AU - Aad, G

AU - Abbott, B.

AU - Abdinov, O

AU - Abeloos, B

AU - Abidi, S. H.

AU - Åkesson, Torsten

AU - Bocchetta, Simona

AU - Doglioni, Caterina

AU - Hedberg, Vincent

AU - Jarlskog, Göran

AU - Kalderon, Charles

AU - Kellermann, Edgar

AU - Konya, Balazs

AU - Lytken, Else

AU - Mankinen, Katja

AU - Mjörnmark, Ulf

AU - Pöttgen, Ruth

AU - Poulsen, Trine

AU - Smirnova, Oxana

AU - Viazlo, Oleksandr

AU - ATLAS Collaboration

N1 - Export Date: 9 April 2018

PY - 2018/3/1

Y1 - 2018/3/1

N2 - The coupling properties of the Higgs boson are studied in the four-lepton (e, μ) decay channel using 36.1 fb−1 of pp collision data from the LHC at a centre-of-mass energy of 13 TeV collected by the ATLAS detector. Cross sections are measured for the main production modes in several exclusive regions of the Higgs boson production phase space and are interpreted in terms of coupling modifiers. The inclusive cross section times branching ratio for H → ZZ∗ decay and for a Higgs boson absolute rapidity below 2.5 is measured to be 1. 73− 0.23 + 0.24(stat.)− 0.08 + 0.10(exp.) ± 0.04(th.) pb compared to the Standard Model prediction of 1.34±0.09 pb. In addition, the tensor structure of the Higgs boson couplings is studied using an effective Lagrangian approach for the description of interactions beyond the Standard Model. Constraints are placed on the non-Standard-Model CP-even and CP-odd couplings to Z bosons and on the CP-odd coupling to gluons.[Figure not available: see fulltext.]. © 2018, The Author(s).

AB - The coupling properties of the Higgs boson are studied in the four-lepton (e, μ) decay channel using 36.1 fb−1 of pp collision data from the LHC at a centre-of-mass energy of 13 TeV collected by the ATLAS detector. Cross sections are measured for the main production modes in several exclusive regions of the Higgs boson production phase space and are interpreted in terms of coupling modifiers. The inclusive cross section times branching ratio for H → ZZ∗ decay and for a Higgs boson absolute rapidity below 2.5 is measured to be 1. 73− 0.23 + 0.24(stat.)− 0.08 + 0.10(exp.) ± 0.04(th.) pb compared to the Standard Model prediction of 1.34±0.09 pb. In addition, the tensor structure of the Higgs boson couplings is studied using an effective Lagrangian approach for the description of interactions beyond the Standard Model. Constraints are placed on the non-Standard-Model CP-even and CP-odd couplings to Z bosons and on the CP-odd coupling to gluons.[Figure not available: see fulltext.]. © 2018, The Author(s).

KW - Hadron-Hadron scattering (experiments)

U2 - 10.1007/JHEP03(2018)095

DO - 10.1007/JHEP03(2018)095

M3 - Article

SN - 1029-8479

VL - 2018

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 3

M1 - 2018:95

ER -

Measurement of the Higgs boson coupling properties in the H → ZZ ∗ → 4ℓ decay channel at √s=13 TeV with the ATLAS detector

Abstract

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