Observation of Higgs Boson Decay to Bottom Quarks

CMS Collaboration; Shimaa Abu Zeid; Freya Blekman; Jorgen D'Hondt; Isabelle Helena De Bruyn; Kevin Deroover; Steven Lowette; Seth Moortgat; Lieselotte Moreels; Quentin Python; Kirill Skovpen; Stefaan Tavernier; Walter Van Doninck; Petra Van Mulders; Isis Marina Van Parijs; Jarne De Clercq; Denys Lontkovskyi; Giannis Flouris; Ivan Marchesini

doi:10.1103/PhysRevLett.121.121801

Observation of Higgs Boson Decay to Bottom Quarks

CMS Collaboration, Shimaa Abu Zeid, Freya Blekman, Jorgen D'Hondt, Isabelle Helena De Bruyn, Kevin Deroover, Steven Lowette, Seth Moortgat, Lieselotte Moreels, Quentin Python, Kirill Skovpen, Stefaan Tavernier, Walter Van Doninck, Petra Van Mulders, Isis Marina Van Parijs, Jarne De Clercq, Denys Lontkovskyi, Giannis Flouris, Ivan Marchesini

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The observation of the standard model (SM) Higgs boson decay to a pair of bottom quarks is presented. The main contribution to this result is from processes in which Higgs bosons are produced in association with a
W or Z boson (VH), and are searched for in final states including 0, 1, or 2 charged leptons and two identified bottom quark jets. The results from the measurement of these processes in a data sample recorded by the CMS experiment in 2017, comprising 41.3fb−1 of proton-proton collisions at √s=13TeV, are described. When combined with previous VH measurements using data collected at √s=7, 8, and 13 TeV, an excess of events is observed at mH=125GeV with a significance of 4.8 standard deviations, where the expectation for the SM Higgs boson is 4.9. The corresponding measured signal strength is 1.01±0.22. The combination of this result with searches by the CMS experiment for H→b¯b in other production processes yields an observed (expected) significance of 5.6 (5.5) standard deviations and a signal strength of 1.04±0.20.

Originele taal-2	English
Artikelnummer	121801
Aantal pagina's	20
Tijdschrift	Physical Review Letters
Volume	121
Nummer van het tijdschrift	12
DOI's	https://doi.org/10.1103/PhysRevLett.121.121801
Status	Published - 17 sep 2018

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10.1103/PhysRevLett.121.121801

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SRP8: SRP (Zwaartepunt): Hoge-Energiefysica
D'Hondt, J., Van Eijndhoven, N., Craps, B. & Buitink, S.
1/11/12 → 31/10/24
Project: Fundamenteel

Observation of Higgs boson decay to bottom quarks
Abu Zeid, S. (Creator), Blekman, F. (Creator), D'Hondt, J. (Creator), De Clercq, J. T. (Creator), Deroover, K. (Creator), Flouris, G. (Creator), Lontkovskyi, D. (Creator), Lowette, S. (Creator), Marchesini, I. (Creator), Moortgat, S. (Creator), Moreels, L. (Creator), Python, Q. (Creator), Skovpen, K. (Creator), Tavernier, S. (Creator), Van Doninck, W. (Creator), Van Mulders, P. (Creator) & Van Parijs, I. M. (Creator), HEPData, 9 jan 2019
DOI: 10.17182/hepdata.86132, https://www.hepdata.net/record/ins1691854
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CMS Collaboration, Abu Zeid, S., Blekman, F., D'Hondt, J., De Bruyn, I. H., Deroover, K., Lowette, S., Moortgat, S., Moreels, L., Python, Q., Skovpen, K., Tavernier, S., Van Doninck, W., Van Mulders, P., Van Parijs, I. M., De Clercq, J., Lontkovskyi, D., Flouris, G., & Marchesini, I. (2018). Observation of Higgs Boson Decay to Bottom Quarks. Physical Review Letters, 121(12), [121801]. https://doi.org/10.1103/PhysRevLett.121.121801

CMS Collaboration ; Abu Zeid, Shimaa ; Blekman, Freya ; D'Hondt, Jorgen ; De Bruyn, Isabelle Helena ; Deroover, Kevin ; Lowette, Steven ; Moortgat, Seth ; Moreels, Lieselotte ; Python, Quentin ; Skovpen, Kirill ; Tavernier, Stefaan ; Van Doninck, Walter ; Van Mulders, Petra ; Van Parijs, Isis Marina ; De Clercq, Jarne ; Lontkovskyi, Denys ; Flouris, Giannis ; Marchesini, Ivan. / Observation of Higgs Boson Decay to Bottom Quarks. In: Physical Review Letters. 2018 ; Vol. 121, Nr. 12.

@article{7a7798fb8193458ba028c1ebaec28142,

title = "Observation of Higgs Boson Decay to Bottom Quarks",

abstract = "The observation of the standard model (SM) Higgs boson decay to a pair of bottom quarks is presented. The main contribution to this result is from processes in which Higgs bosons are produced in association with a W or Z boson (VH), and are searched for in final states including 0, 1, or 2 charged leptons and two identified bottom quark jets. The results from the measurement of these processes in a data sample recorded by the CMS experiment in 2017, comprising 41.3fb−1 of proton-proton collisions at √s=13TeV, are described. When combined with previous VH measurements using data collected at √s=7, 8, and 13 TeV, an excess of events is observed at mH=125GeV with a significance of 4.8 standard deviations, where the expectation for the SM Higgs boson is 4.9. The corresponding measured signal strength is 1.01±0.22. The combination of this result with searches by the CMS experiment for H→b¯b in other production processes yields an observed (expected) significance of 5.6 (5.5) standard deviations and a signal strength of 1.04±0.20.",

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CMS Collaboration, Abu Zeid, S, Blekman, F , D'Hondt, J, De Bruyn, IH, Deroover, K, Lowette, S, Moortgat, S, Moreels, L, Python, Q, Skovpen, K, Tavernier, S, Van Doninck, W, Van Mulders, P, Van Parijs, IM, De Clercq, J, Lontkovskyi, D, Flouris, G & Marchesini, I 2018, 'Observation of Higgs Boson Decay to Bottom Quarks', Physical Review Letters, vol. 121, nr. 12, 121801. https://doi.org/10.1103/PhysRevLett.121.121801

Observation of Higgs Boson Decay to Bottom Quarks. / CMS Collaboration; Abu Zeid, Shimaa; Blekman, Freya ; D'Hondt, Jorgen; De Bruyn, Isabelle Helena; Deroover, Kevin; Lowette, Steven; Moortgat, Seth; Moreels, Lieselotte; Python, Quentin; Skovpen, Kirill; Tavernier, Stefaan; Van Doninck, Walter; Van Mulders, Petra; Van Parijs, Isis Marina; De Clercq, Jarne; Lontkovskyi, Denys; Flouris, Giannis; Marchesini, Ivan.

In: Physical Review Letters, Vol. 121, Nr. 12, 121801, 17.09.2018.

Onderzoeksoutput: Article › peer review

TY - JOUR

T1 - Observation of Higgs Boson Decay to Bottom Quarks

AU - CMS Collaboration

AU - Abu Zeid, Shimaa

AU - Blekman, Freya

AU - D'Hondt, Jorgen

AU - De Bruyn, Isabelle Helena

AU - Deroover, Kevin

AU - Lowette, Steven

AU - Moortgat, Seth

AU - Moreels, Lieselotte

AU - Python, Quentin

AU - Skovpen, Kirill

AU - Tavernier, Stefaan

AU - Van Doninck, Walter

AU - Van Mulders, Petra

AU - Van Parijs, Isis Marina

AU - De Clercq, Jarne

AU - Lontkovskyi, Denys

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AU - Marchesini, Ivan

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N2 - The observation of the standard model (SM) Higgs boson decay to a pair of bottom quarks is presented. The main contribution to this result is from processes in which Higgs bosons are produced in association with a W or Z boson (VH), and are searched for in final states including 0, 1, or 2 charged leptons and two identified bottom quark jets. The results from the measurement of these processes in a data sample recorded by the CMS experiment in 2017, comprising 41.3fb−1 of proton-proton collisions at √s=13TeV, are described. When combined with previous VH measurements using data collected at √s=7, 8, and 13 TeV, an excess of events is observed at mH=125GeV with a significance of 4.8 standard deviations, where the expectation for the SM Higgs boson is 4.9. The corresponding measured signal strength is 1.01±0.22. The combination of this result with searches by the CMS experiment for H→b¯b in other production processes yields an observed (expected) significance of 5.6 (5.5) standard deviations and a signal strength of 1.04±0.20.

AB - The observation of the standard model (SM) Higgs boson decay to a pair of bottom quarks is presented. The main contribution to this result is from processes in which Higgs bosons are produced in association with a W or Z boson (VH), and are searched for in final states including 0, 1, or 2 charged leptons and two identified bottom quark jets. The results from the measurement of these processes in a data sample recorded by the CMS experiment in 2017, comprising 41.3fb−1 of proton-proton collisions at √s=13TeV, are described. When combined with previous VH measurements using data collected at √s=7, 8, and 13 TeV, an excess of events is observed at mH=125GeV with a significance of 4.8 standard deviations, where the expectation for the SM Higgs boson is 4.9. The corresponding measured signal strength is 1.01±0.22. The combination of this result with searches by the CMS experiment for H→b¯b in other production processes yields an observed (expected) significance of 5.6 (5.5) standard deviations and a signal strength of 1.04±0.20.

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U2 - 10.1103/PhysRevLett.121.121801

DO - 10.1103/PhysRevLett.121.121801

M3 - Article

VL - 121

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 12

M1 - 121801

ER -

Observation of Higgs Boson Decay to Bottom Quarks

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Observation of Higgs boson decay to bottom quarks

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