ATLAS

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Observation of $WWW$ Production in $pp$ Collisions at $\sqrt{s} = 13$ TeV with the ATLAS Detector

ArXiv 2201.13045 (2022)
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Direct constraint on the Higgs-charm coupling from a search for Higgs boson decays into charm quarks with the ATLAS detector

ArXiv 2201.11428 (2022)
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Measurements of Higgs boson production cross-sections in the $H\toτ^{+}τ^{-}$ decay channel in $pp$ collisions at $\sqrt{s}=13\,\text{TeV}$ with the ATLAS detector

ArXiv 2201.08269 (2022)
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Search for single production of a vector-like $T$ quark decaying into a Higgs boson and top quark with fully hadronic final states using the ATLAS detector

ArXiv 2201.07045 (2022)
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An experiment for electron-hadron scattering at the LHC

The European Physical Journal C Springer Science and Business Media LLC 82:1 (2022) 40

Authors:

KDJ André, L Aperio Bella, N Armesto, SA Bogacz, D Britzger, OS Brüning, M D’Onofrio, EG Ferreiro, O Fischer, C Gwenlan, BJ Holzer, M Klein, U Klein, F Kocak, P Kostka, M Kumar, B Mellado, JG Milhano, PR Newman, K Piotrzkowski, A Polini, X Ruan, S Russenschuk, C Schwanenberger, E Vilella-Figueras, Y Yamazaki

Abstract:

AbstractNovel considerations are presented on the physics, apparatus and accelerator designs for a future, luminous, energy frontier electron-hadron (eh) scattering experiment at the LHC in the thirties for which key physics topics and their relation to the hadron-hadron HL-LHC physics programme are discussed. Demands are derived set by these physics topics on the design of the LHeC detector, a corresponding update of which is described. Optimisations on the accelerator design, especially the interaction region (IR), are presented. Initial accelerator considerations indicate that a common IR is possible to be built which alternately could serve eh and hh collisions while other experiments would stay on hh in either condition. A forward-backward symmetrised option of the LHeC detector is sketched which would permit extending the LHeC physics programme to also include aspects of hadron-hadron physics. The vision of a joint eh and hh physics experiment is shown to open new prospects for solving fundamental problems of high energy heavy-ion physics including the partonic structure of nuclei and the emergence of hydrodynamics in quantum field theory while the genuine TeV scale DIS physics is of unprecedented rank.
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