A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector

G. Aad; T.P.A. Åkesson; S.S. Bocchetta; E.E. Corrigan; C. Doglioni; J. Geisen; K. Gregersen; E. Hansen; V. Hedberg; G. Jarlskog; E. Kellermann; B. Konya; E. Lytken; K.H. Mankinen; C. Marcon; J.U. Mjörnmark; G.A. Mullier; R. Poettgen; T. Poulsen; E. Skorda; O. Smirnova; L. Zwalinski; ATLAS Collaboration

doi:10.1016/j.physletb.2020.135980

A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector

G. Aad, T.P.A. Åkesson, S.S. Bocchetta, E.E. Corrigan, C. Doglioni, J. Geisen, K. Gregersen, E. Hansen, V. Hedberg, G. Jarlskog, E. Kellermann, B. Konya, E. Lytken, K.H. Mankinen, C. Marcon, J.U. Mjörnmark, G.A. Mullier, R. Poettgen, T. Poulsen, E. SkordaO. Smirnova, L. Zwalinski, ATLAS Collaboration

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Abstract

A search for the dimuon decay of the Standard Model (SM) Higgs boson is performed using data corresponding to an integrated luminosity of 139 fb−1 collected with the ATLAS detector in Run 2 pp collisions at s=13 TeV at the Large Hadron Collider. The observed (expected) significance over the background-only hypothesis for a Higgs boson with a mass of 125.09 GeV is 2.0σ (1.7σ). The observed upper limit on the cross section times branching ratio for pp→H→μμ is 2.2 times the SM prediction at 95% confidence level, while the expected limit on a H→μμ signal assuming the absence (presence) of a SM signal is 1.1 (2.0). The best-fit value of the signal strength parameter, defined as the ratio of the observed signal yield to the one expected in the SM, is μ=1.2±0.6. © 2020 The Author(s)

Original language	English
Article number	135980
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	812
DOIs	https://doi.org/10.1016/j.physletb.2020.135980
Publication status	Published - 2021

Subject classification (UKÄ)

Subatomic Physics

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Aad, G., Åkesson, T. P. A., Bocchetta, S. S., Corrigan, E. E., Doglioni, C., Geisen, J., Gregersen, K., Hansen, E., Hedberg, V., Jarlskog, G., Kellermann, E., Konya, B., Lytken, E., Mankinen, K. H., Marcon, C., Mjörnmark, J. U., Mullier, G. A., Poettgen, R., Poulsen, T., ... ATLAS Collaboration (2021). A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 812, Article 135980. https://doi.org/10.1016/j.physletb.2020.135980

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title = "A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector",

abstract = "A search for the dimuon decay of the Standard Model (SM) Higgs boson is performed using data corresponding to an integrated luminosity of 139 fb−1 collected with the ATLAS detector in Run 2 pp collisions at s=13 TeV at the Large Hadron Collider. The observed (expected) significance over the background-only hypothesis for a Higgs boson with a mass of 125.09 GeV is 2.0σ (1.7σ). The observed upper limit on the cross section times branching ratio for pp→H→μμ is 2.2 times the SM prediction at 95% confidence level, while the expected limit on a H→μμ signal assuming the absence (presence) of a SM signal is 1.1 (2.0). The best-fit value of the signal strength parameter, defined as the ratio of the observed signal yield to the one expected in the SM, is μ=1.2±0.6. {\textcopyright} 2020 The Author(s)",

author = "G. Aad and T.P.A. {\AA}kesson and S.S. Bocchetta and E.E. Corrigan and C. Doglioni and J. Geisen and K. Gregersen and E. Hansen and V. Hedberg and G. Jarlskog and E. Kellermann and B. Konya and E. Lytken and K.H. Mankinen and C. Marcon and J.U. Mj{\"o}rnmark and G.A. Mullier and R. Poettgen and T. Poulsen and E. Skorda and O. Smirnova and L. Zwalinski and {ATLAS Collaboration}",

year = "2021",

doi = "10.1016/j.physletb.2020.135980",

language = "English",

volume = "812",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

}

Aad, G, Åkesson, TPA, Bocchetta, SS, Corrigan, EE, Doglioni, C, Geisen, J, Gregersen, K, Hansen, E, Hedberg, V , Jarlskog, G, Kellermann, E, Konya, B , Lytken, E, Mankinen, KH, Marcon, C, Mjörnmark, JU, Mullier, GA, Poettgen, R, Poulsen, T, Skorda, E, Smirnova, O, Zwalinski, L & ATLAS Collaboration 2021, 'A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 812, 135980. https://doi.org/10.1016/j.physletb.2020.135980

TY - JOUR

T1 - A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector

AU - Aad, G.

AU - Åkesson, T.P.A.

AU - Bocchetta, S.S.

AU - Corrigan, E.E.

AU - Doglioni, C.

AU - Geisen, J.

AU - Gregersen, K.

AU - Hansen, E.

AU - Hedberg, V.

AU - Jarlskog, G.

AU - Kellermann, E.

AU - Konya, B.

AU - Lytken, E.

AU - Mankinen, K.H.

AU - Marcon, C.

AU - Mjörnmark, J.U.

AU - Mullier, G.A.

AU - Poettgen, R.

AU - Poulsen, T.

AU - Skorda, E.

AU - Smirnova, O.

AU - Zwalinski, L.

AU - ATLAS Collaboration

PY - 2021

Y1 - 2021

N2 - A search for the dimuon decay of the Standard Model (SM) Higgs boson is performed using data corresponding to an integrated luminosity of 139 fb−1 collected with the ATLAS detector in Run 2 pp collisions at s=13 TeV at the Large Hadron Collider. The observed (expected) significance over the background-only hypothesis for a Higgs boson with a mass of 125.09 GeV is 2.0σ (1.7σ). The observed upper limit on the cross section times branching ratio for pp→H→μμ is 2.2 times the SM prediction at 95% confidence level, while the expected limit on a H→μμ signal assuming the absence (presence) of a SM signal is 1.1 (2.0). The best-fit value of the signal strength parameter, defined as the ratio of the observed signal yield to the one expected in the SM, is μ=1.2±0.6. © 2020 The Author(s)

AB - A search for the dimuon decay of the Standard Model (SM) Higgs boson is performed using data corresponding to an integrated luminosity of 139 fb−1 collected with the ATLAS detector in Run 2 pp collisions at s=13 TeV at the Large Hadron Collider. The observed (expected) significance over the background-only hypothesis for a Higgs boson with a mass of 125.09 GeV is 2.0σ (1.7σ). The observed upper limit on the cross section times branching ratio for pp→H→μμ is 2.2 times the SM prediction at 95% confidence level, while the expected limit on a H→μμ signal assuming the absence (presence) of a SM signal is 1.1 (2.0). The best-fit value of the signal strength parameter, defined as the ratio of the observed signal yield to the one expected in the SM, is μ=1.2±0.6. © 2020 The Author(s)

U2 - 10.1016/j.physletb.2020.135980

DO - 10.1016/j.physletb.2020.135980

M3 - Article

SN - 0370-2693

VL - 812

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

M1 - 135980

ER -

A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector

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