ATLAS Collaboration (Including: Beckingham, M., Farrington, Sinead, Harrison, P. F., Jeske, C., Jones, G. (Graham), Martin, T. A., Murray, W., Pianori, E. and Spangenberg, Martin). (2016) A search for top squarks with R-parity-violating decays to all-hadronic final states with the ATLAS detector in s=8 TeV proton-proton collisions. Journal of High Energy Physics, 2016 (6). 67. doi:10.1007/jhep06(2016)067

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Abstract

A search for the pair production of top squarks, each with R-parity-violating decays into two Standard Model quarks, is performed using 17.4 fb−1 of s=8 TeV proton-proton collision data recorded by the ATLAS experiment at the LHC. Each top squark is assumed to decay to a b- and an s-quark, leading to four quarks in the final state. Background discrimination is achieved with the use of b-tagging and selections on the mass and substructure of large-radius jets, providing sensitivity to top squark masses as low as 100 GeV. No evidence of an excess beyond the Standard Model background prediction is observed and top squarks decaying to b¯s¯ are excluded for top squark masses in the range 100≤mt¯≤315 GeV at 95% confidence level.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science > Physics
SWORD Depositor:	Library Publications Router
Library of Congress Subject Headings (LCSH):	Particles (Nuclear physics), Hadrons -- Scattering
Journal or Publication Title:	Journal of High Energy Physics
Publisher:	Springer
ISSN:	1029-8479
Official Date:	10 June 2016
Dates:	Date Event 10 June 2016 Published 31 May 2016 Accepted
Volume:	2016
Number:	6
Article Number:	67
DOI:	10.1007/jhep06(2016)067
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access
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