Aaboud, M.Aad, G.Abbott, B.Abbott, D. C.Abdinov, O.Abed Abud, A.Abhayasinghe, D. K.Izen, Joseph M.Meirose, BernhardReeves, KendallATLAS Collaboration2020-03-032020-03-032019-05-300370-2693http://dx.doi.org/10.1016/j.physletb.2019.03.067https://hdl.handle.net/10735.1/7331A search is performed for localised excesses in dijet mass distributions of low-dijet-mass events produced in association with a high transverse energy photon. The search uses up to 79.8 fb−1 of LHC proton–proton collisions collected by the ATLAS experiment at a centre-of-mass energy of 13 TeV during 2015–2017. Two variants are presented: one which makes no jet flavour requirements and one which requires both jets to be tagged as b-jets. The observed mass distributions are consistent with multi-jet processes in the Standard Model. The data are used to set upper limits on the production cross-section for a benchmark Z′ model and, separately, on generic Gaussian-shape contributions to the mass distributions, extending the current ATLAS constraints on dijet resonances to the mass range between 225 and 1100 GeV. © 2019 The AuthorenCC BY 4.0 (Attribution)©2019 The Authors. Published by Elsevier B.V.http://creativecommons.org/licenses/by/4.0/Standard model (Nuclear physics)Proton-proton interactionsLarge Hadron Collider (France and Switzerland)Jets (Nuclear physics)articleAaboud, M., G. Aad, B. Abbott, D. C. Abbott, et al. 2019. "Search for low-mass resonances decaying into two jets and produced in association with a photon using pp collisions at √s=13 TeV with the ATLAS detector." Physics Letters, Section B: Nuclear, Elementary Particle and High-energy Physics 795: 56-75, doi: 10.1016/j.physletb.2019.03.067795