Search for new phenomena with large jet multiplicities and missing transverse momentum using large-radius jets and flavour-tagging at ATLAS in 13 TeV pp collisions

Agni Bethani, Rafal Bielski, Ian Connelly, Brian Cox, Cinzia Da Via, Nicholas Dann, Giulio Forcolin, Alessandra Forti, James Howarth, David Lack, Frederick Loebinger, Jiri Masik, Stephen Menary, Francisca Munoz Sanchez, Alexander Oh, Joleen Pater, Yvonne Peters, Andrew Pilkington, Darren Price, Yang QinJohn Raine, Jacob Rawling, Rhys Roberts, Savanna Shaw, Stephen Watts, Fabian Wilk, Terence Wyatt, The ATLAS Collaboration

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A search is presented for particles that decay producing a large jet multiplicity and invisible particles. The event selection applies a veto on the presence of isolated electrons or muons and additional requirements on the number of b-tagged jets and the scalar sum of masses of large-radius jets. Having explored the full ATLAS 2015-2016 dataset of LHC proton-proton collisions at s√=13s=13 TeV, which corresponds to 36.1 fb−1 of integrated luminosity, no evidence is found for physics beyond the Standard Model. The results are interpreted in the context of simplified models inspired by R-parity-conserving and R-parity-violating supersymmetry, where gluinos are pair-produced. More generic models within the phenomenological minimal supersymmetric Standard Model are also considered.
    Original languageEnglish
    JournalThe Journal of High Energy Physics
    Volume34
    Early online date6 Dec 2017
    DOIs
    Publication statusPublished - Dec 2017

    Research Beacons, Institutes and Platforms

    • National Graphene Institute

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