Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/130155
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Type: | Journal article |
Title: | Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC |
Author: | Aad, G. Abbott, B. Abbott, D.C. Abud, A.A. Abeling, K. Abhayasinghe, D.K. Abidi, S.H. AbouZeid, O.S. Abraham, N.L. Abramowicz, H. Abreu, H. Abulaiti, Y. Acharya, B.S. Achkar, B. Adam, L. Bourdarios, C.A. Adamczyk, L. Adamek, L. Adelman, J. Adersberger, M. et al. |
Citation: | European Physical Journal C: Particles and Fields, 2021; 81(1):11-1-11-29 |
Publisher: | Springer Nature |
Issue Date: | 2021 |
ISSN: | 1434-6044 1434-6052 |
Statement of Responsibility: | G. Aad … D. Duvnjak … P. Jackson … A.X.Y. Kong … J.L. Oliver … H. Potti … T.A. Ruggeri … A.S. Sharma … M.J. White … et al. [The ATLAS Collaboration] |
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 139 fb⁻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. |
Rights: | © CERN for the benefit of the ATLAS collaboration 2021, corrected publication 2021 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. Funded by SCOAP³. |
DOI: | 10.1140/epjc/s10052-020-08730-0 |
Published version: | http://dx.doi.org/10.1140/epjc/s10052-020-08730-0 |
Appears in Collections: | Aurora harvest 4 Physics publications |
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hdl_130155.pdf | Published Version | 2.11 MB | Adobe PDF | View/Open |
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