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Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Standard

Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC. / The ATLAS collaboration.
In: European Physical Journal C: Particles and Fields, Vol. 81, No. 1, 11, 11.01.2021.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

The ATLAS collaboration 2021, 'Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC', European Physical Journal C: Particles and Fields, vol. 81, no. 1, 11. https://doi.org/10.1140/epjc/s10052-020-08730-0

APA

The ATLAS collaboration (2021). Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC. European Physical Journal C: Particles and Fields, 81(1), Article 11. https://doi.org/10.1140/epjc/s10052-020-08730-0

Vancouver

The ATLAS collaboration. Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC. European Physical Journal C: Particles and Fields. 2021 Jan 11;81(1):11. doi: 10.1140/epjc/s10052-020-08730-0

Author

The ATLAS collaboration. / Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC. In: European Physical Journal C: Particles and Fields. 2021 ; Vol. 81, No. 1.

Bibtex

@article{5ab68d7bec324db89438c9985f60c4dc,
title = "Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC",
abstract = "A search is presented for new phenomena in events characterised by high jet multiplicity, no leptons (electrons or muons), and four or more jets originating from the fragmentation of b-quarks (b-jets). The search uses 139fb-1 of s = 13 TeV proton–proton collision data collected by the ATLAS experiment at the Large Hadron Collider during Run 2. The dominant Standard Model background originates from multijet production and is estimated using a data-driven technique based on an extrapolation from events with low b-jet multiplicity to the high b-jet multiplicities used in the search. No significant excess over the Standard Model expectation is observed and 95% confidence-level limits that constrain simplified models of R-parity-violating supersymmetry are determined. The exclusion limits reach 950 GeV in top-squark mass in the models considered. ",
author = "{The ATLAS collaboration} and A.E. Barton and I.A. Bertram and G. Borissov and E.V. Bouhova-Thacker and H. Fox and R.C.W. Henderson and R.W.L. Jones and V. Kartvelishvili and R.E. Long and P.A. Love and D. Muenstermann and Izaac Sanderswood and M. Smizanska and A.S. Tee and J. Walder and A.M. Wharton and B.W. Whitmore and Melissa Yexley",
year = "2021",
month = jan,
day = "11",
doi = "10.1140/epjc/s10052-020-08730-0",
language = "English",
volume = "81",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "1",

}

RIS

TY - JOUR

T1 - Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC

AU - The ATLAS collaboration

AU - Barton, A.E.

AU - Bertram, I.A.

AU - Borissov, G.

AU - Bouhova-Thacker, E.V.

AU - Fox, H.

AU - Henderson, R.C.W.

AU - Jones, R.W.L.

AU - Kartvelishvili, V.

AU - Long, R.E.

AU - Love, P.A.

AU - Muenstermann, D.

AU - Sanderswood, Izaac

AU - Smizanska, M.

AU - Tee, A.S.

AU - Walder, J.

AU - Wharton, A.M.

AU - Whitmore, B.W.

AU - Yexley, Melissa

PY - 2021/1/11

Y1 - 2021/1/11

N2 - A search is presented for new phenomena in events characterised by high jet multiplicity, no leptons (electrons or muons), and four or more jets originating from the fragmentation of b-quarks (b-jets). The search uses 139fb-1 of s = 13 TeV proton–proton collision data collected by the ATLAS experiment at the Large Hadron Collider during Run 2. The dominant Standard Model background originates from multijet production and is estimated using a data-driven technique based on an extrapolation from events with low b-jet multiplicity to the high b-jet multiplicities used in the search. No significant excess over the Standard Model expectation is observed and 95% confidence-level limits that constrain simplified models of R-parity-violating supersymmetry are determined. The exclusion limits reach 950 GeV in top-squark mass in the models considered.

AB - A search is presented for new phenomena in events characterised by high jet multiplicity, no leptons (electrons or muons), and four or more jets originating from the fragmentation of b-quarks (b-jets). The search uses 139fb-1 of s = 13 TeV proton–proton collision data collected by the ATLAS experiment at the Large Hadron Collider during Run 2. The dominant Standard Model background originates from multijet production and is estimated using a data-driven technique based on an extrapolation from events with low b-jet multiplicity to the high b-jet multiplicities used in the search. No significant excess over the Standard Model expectation is observed and 95% confidence-level limits that constrain simplified models of R-parity-violating supersymmetry are determined. The exclusion limits reach 950 GeV in top-squark mass in the models considered.

U2 - 10.1140/epjc/s10052-020-08730-0

DO - 10.1140/epjc/s10052-020-08730-0

M3 - Journal article

VL - 81

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 1

M1 - 11

ER -