Aaboud, M.Aad, G.Abbott, B.Abbott, D.C.Abdinov, O.Abed Abud, A.Abhayasinghe, D.K.Abidi, S.H.AbouZeid, O.S.Abraham, N.L.Albert, JustinAnelli, Christopher R.Chiu, Y. H.Ghasemi Bostanabad, M.Hamano, KenjiHill, Ewan ChinKay, E. F.Keeler, RichardKowalewski, Robertet al.2020-10-202020-10-2020192019Aaboud, M., Aad, G., Abbott, B., Abbott, D. C., Abdinov, O., Abed Abud, A., … Zwalinski, L. (2019). Measurement of jet-substructure observables in top quark, W boson and light jet production in proton-proton collisions at √s = 13 TeV with the ATLAS detector. Journal of High Energy Physics, 2019(8). https://doi.org/10.1007/JHEP08(2019)033https://doi.org/10.1007/JHEP08(2019)033http://hdl.handle.net/1828/12241A measurement of jet substructure observables is presented using data collected in 2016 by the ATLAS experiment at the LHC with proton-proton collisions at ps = 13TeV. Large-radius jets groomed with the trimming and soft-drop algorithms are studied. Dedicated event selections are used to study jets produced by light quarks or gluons, and hadronically decaying top quarks and W bosons. The observables measured are sensitive to substructure, and therefore are typically used for tagging large-radius jets from boosted massive particles. These include the energy correlation functions and the N-subjettiness variables. The number of subjets and the Les Houches angularity are also considered. The distributions of the substructure variables, corrected for detector e ects, are compared to the predictions of various Monte Carlo event generators. They are also compared between the large-radius jets originating from light quarks or gluons, and hadronically decaying top quarks and W bosons.enHadron-Hadron scattering (experiments)ArticleDepartment of Physics and Astronomy