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$ZZ \to \ell^{+}\ell^{-}\ell^{\prime +}\ell^{\prime -}$ cross-section measurements and search for anomalous triple gauge couplings in 13 TeV $pp$ collisions with the ATLAS detector

ArXiv 1709.07703 (2017)

Search for additional heavy neutral Higgs and gauge bosons in the ditau final state produced in 36 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector

ArXiv 1709.07242 (2017)

51ÁÔÆæÈë¿Ú of ordered hadron chains with the ATLAS detector

ArXiv 1709.07384 (2017)

A search for resonances decaying into a Higgs boson and a new particle $X$ in the $XH \to qqbb$ final state with the ATLAS detector

ArXiv 1709.06783 (2017)

Search for supersymmetry in final states with two same-sign or three leptons and jets using 36 fb(-1) of root&ITs&IT = 13 TeV &ITpp&IT collision data with the ATLAS detector

Journal of High Energy Physics Springer 2017:9 (2017) 84

Authors:

M Aaboud, G Aad, B Abbott, Giacomo Artoni, Alan Barr, Anne K Becker, Amanda Cooper-Sarkar, Lydia Beresford, Elizabeth Gallas, Daniela Bortoletto, Christopher Hays, Francesco Giuli, Luigi Marchese, Claire Gwenlan, Richard Nickerson, Cigdem Issever, Brian Huffman, James Frost, Georg Viehhauser, Jeffrey Tseng, Koichi Nagai, Ian Shipsey, Jesse Liu, Gabia Zemaityte, AR Weidberg, ME Nelson, The ATLAS collaboration

Abstract:

A search for strongly produced supersymmetric particles using signatures involving multiple energetic jets and either two isolated same-sign leptons (e or μ), or at least three isolated leptons, is presented. The analysis relies on the identification of b-jets and high missing transverse momentum to achieve good sensitivity. A data sample of proton-proton collisions at s√=13 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015 and 2016, corresponding to a total integrated luminosity of 36.1 fb−1, is used for the search. No significant excess over the Standard Model prediction is observed. The results are interpreted in several simplified supersymmetric models featuring R-parity conservation or R-parity violation, extending the exclusion limits from previous searches. In models considering gluino pair production, gluino masses are excluded up to 1.87 TeV at 95% confidence level. When bottom squarks are pair-produced and decay to a chargino and a top quark, models with bottom squark masses below 700 GeV and light neutralinos are excluded at 95% confidence level. In addition, model-independent limits are set on a possible contribution of new phenomena to the signal region yields.