A search for pair-produced resonances in four-jet final states at $\sqrt{s} =$ 13 TeV with the ATLAS detector

Philip James Clark; Sinead Farrington; Michele Faucci Giannelli; Yanyan Gao; Ahmed Hasib; Christos Leonidopoulos; Victoria Jane Martin; Liza Mijović; Corrinne Mills; Benjamin Wynne; Atlas Collaboration

doi:10.1140/epjc/s10052-018-5693-4

A search for pair-produced resonances in four-jet final states at $\sqrt{s} =$ 13 TeV with the ATLAS detector

Philip James Clark, Sinead Farrington, Michele Faucci Giannelli, Yanyan Gao, Ahmed Hasib, Christos Leonidopoulos, Victoria Jane Martin, Liza Mijović, Corrinne Mills, Benjamin Wynne, Atlas Collaboration

School of Physics and Astronomy

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Abstract / Description of output

A search for massive coloured resonances which are pair-produced and decay into two jets is presented. The analysis uses 36.7 fb$^{-1}$ of $\sqrt{s}=$ 13 TeV pp collision data recorded by the ATLAS experiment at the LHC in 2015 and 2016. No significant deviation from the background prediction is observed. Results are interpreted in a SUSY simplified model where the lightest supersymmetric particle is the top squark, $\tilde{t}$, which decays promptly into two quarks through $R$-parity-violating couplings. Top squarks with masses in the range 100 GeV < $m_{\tilde{t}}$ < 410 GeV are excluded at 95% confidence level. If the decay is into a $b$-quark and a light quark, a dedicated selection requiring two $b$-tags is used to exclude masses in the ranges 100 GeV < $m_{\tilde{t}}$ < 470 GeV and 480 GeV < $m_{\tilde{t}}$ < 610 GeV. Additional limits are set on the pair-production of massive colour-octet resonances.

Original language	English
Article number	250
Journal	The European Physical Journal C (EPJ C)
Volume	C78
Issue number	3
DOIs	https://doi.org/10.1140/epjc/s10052-018-5693-4
Publication status	Published - 22 Mar 2018

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Clark, P. J., Farrington, S., Faucci Giannelli, M., Gao, Y., Hasib, A., Leonidopoulos, C., Martin, V. J., Mijović, L., Mills, C., Wynne, B., & Collaboration, A. (2018). A search for pair-produced resonances in four-jet final states at $\sqrt{s} =$ 13 TeV with the ATLAS detector. The European Physical Journal C (EPJ C), C78(3), Article 250. https://doi.org/10.1140/epjc/s10052-018-5693-4

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title = "A search for pair-produced resonances in four-jet final states at $\sqrt{s} =$ 13 TeV with the ATLAS detector",

abstract = "A search for massive coloured resonances which are pair-produced and decay into two jets is presented. The analysis uses 36.7 fb$^{-1}$ of $\sqrt{s}=$ 13 TeV pp collision data recorded by the ATLAS experiment at the LHC in 2015 and 2016. No significant deviation from the background prediction is observed. Results are interpreted in a SUSY simplified model where the lightest supersymmetric particle is the top squark, $\tilde{t}$, which decays promptly into two quarks through $R$-parity-violating couplings. Top squarks with masses in the range 100 GeV < $m_{\tilde{t}}$ < 410 GeV are excluded at 95% confidence level. If the decay is into a $b$-quark and a light quark, a dedicated selection requiring two $b$-tags is used to exclude masses in the ranges 100 GeV < $m_{\tilde{t}}$ < 470 GeV and 480 GeV < $m_{\tilde{t}}$ < 610 GeV. Additional limits are set on the pair-production of massive colour-octet resonances.",

author = "Clark, {Philip James} and Sinead Farrington and {Faucci Giannelli}, Michele and Yanyan Gao and Ahmed Hasib and Christos Leonidopoulos and Martin, {Victoria Jane} and Liza Mijovi{\'c} and Corrinne Mills and Benjamin Wynne and Atlas Collaboration",

year = "2018",

month = mar,

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doi = "10.1140/epjc/s10052-018-5693-4",

language = "English",

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journal = "The European Physical Journal C (EPJ C)",

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Clark, PJ , Farrington, S, Faucci Giannelli, M, Gao, Y, Hasib, A, Leonidopoulos, C , Martin, VJ , Mijović, L, Mills, C, Wynne, B & Collaboration, A 2018, 'A search for pair-produced resonances in four-jet final states at $\sqrt{s} =$ 13 TeV with the ATLAS detector', The European Physical Journal C (EPJ C), vol. C78, no. 3, 250. https://doi.org/10.1140/epjc/s10052-018-5693-4

TY - JOUR

T1 - A search for pair-produced resonances in four-jet final states at $\sqrt{s} =$ 13 TeV with the ATLAS detector

AU - Clark, Philip James

AU - Farrington, Sinead

AU - Faucci Giannelli, Michele

AU - Gao, Yanyan

AU - Hasib, Ahmed

AU - Leonidopoulos, Christos

AU - Martin, Victoria Jane

AU - Mijović, Liza

AU - Mills, Corrinne

AU - Wynne, Benjamin

AU - Collaboration, Atlas

PY - 2018/3/22

Y1 - 2018/3/22

N2 - A search for massive coloured resonances which are pair-produced and decay into two jets is presented. The analysis uses 36.7 fb$^{-1}$ of $\sqrt{s}=$ 13 TeV pp collision data recorded by the ATLAS experiment at the LHC in 2015 and 2016. No significant deviation from the background prediction is observed. Results are interpreted in a SUSY simplified model where the lightest supersymmetric particle is the top squark, $\tilde{t}$, which decays promptly into two quarks through $R$-parity-violating couplings. Top squarks with masses in the range 100 GeV < $m_{\tilde{t}}$ < 410 GeV are excluded at 95% confidence level. If the decay is into a $b$-quark and a light quark, a dedicated selection requiring two $b$-tags is used to exclude masses in the ranges 100 GeV < $m_{\tilde{t}}$ < 470 GeV and 480 GeV < $m_{\tilde{t}}$ < 610 GeV. Additional limits are set on the pair-production of massive colour-octet resonances.

AB - A search for massive coloured resonances which are pair-produced and decay into two jets is presented. The analysis uses 36.7 fb$^{-1}$ of $\sqrt{s}=$ 13 TeV pp collision data recorded by the ATLAS experiment at the LHC in 2015 and 2016. No significant deviation from the background prediction is observed. Results are interpreted in a SUSY simplified model where the lightest supersymmetric particle is the top squark, $\tilde{t}$, which decays promptly into two quarks through $R$-parity-violating couplings. Top squarks with masses in the range 100 GeV < $m_{\tilde{t}}$ < 410 GeV are excluded at 95% confidence level. If the decay is into a $b$-quark and a light quark, a dedicated selection requiring two $b$-tags is used to exclude masses in the ranges 100 GeV < $m_{\tilde{t}}$ < 470 GeV and 480 GeV < $m_{\tilde{t}}$ < 610 GeV. Additional limits are set on the pair-production of massive colour-octet resonances.

U2 - 10.1140/epjc/s10052-018-5693-4

DO - 10.1140/epjc/s10052-018-5693-4

M3 - Article

SN - 1434-6044

VL - C78

JO - The European Physical Journal C (EPJ C)

JF - The European Physical Journal C (EPJ C)

IS - 3

M1 - 250

ER -

A search for pair-produced resonances in four-jet final states at $\sqrt{s} =$ 13 TeV with the ATLAS detector

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