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Search for a light charged Higgs boson in t → H ± b decays, with H ± → cb, in the lepton+jets final state in proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector
Publication Type: Academic Journal
Source(s): Journal of High Energy Physics, Vol 2023, Iss 9, Pp 1-52 (2023)
Abstract: Abstract A search for a charged Higgs boson, H ± , produced in top-quark decays, t → H ± b, is presented. The search targets H ± decays into a bottom and a charm quark, H ± → cb. The analysis focuses on a selection enriched in top-quark pair production...
Combination of inclusive top-quark pair production cross-section measurements using ATLAS and CMS data at s $$ \sqrt{s} $$ = 7 and 8 TeV
Publication Type: Academic Journal
Source(s): Journal of High Energy Physics, Vol 2023, Iss 7, Pp 1-64 (2023)
Abstract: Abstract A combination of measurements of the inclusive top-quark pair production cross-section performed by ATLAS and CMS in proton–proton collisions at centre-of-mass energies of 7 and 8 TeV at the LHC is presented. The cross-sections are obtained us...
Search for high-mass Wγ and Zγ resonances using hadronic W/Z boson decays from 139 fb −1 of pp collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector
Publication Type: Academic Journal
Source(s): Journal of High Energy Physics, Vol 2023, Iss 7, Pp 1-47 (2023)
Abstract: Abstract A search for high-mass charged and neutral bosons decaying to Wγ and Zγ final states is presented in this paper. The analysis uses a data sample of s $$ \sqrt{s} $$ = 13 TeV proton-proton collisions with an integrated luminosity of 139 fb −1 c...
Search for resonant and non-resonant Higgs boson pair production in the b b ¯ τ + τ − $$ b\overline{b}{\tau}^{+}{\tau}^{-} $$ decay channel using 13 TeV pp collision data from the ATLAS detector
Publication Type: Academic Journal
Source(s): Journal of High Energy Physics, Vol 2023, Iss 7, Pp 1-62 (2023)
Abstract: Abstract A search for Higgs boson pair production in events with two b-jets and two τ-leptons is presented, using a proton–proton collision dataset with an integrated luminosity of 139 fb −1 collected at s $$ \sqrt{s} $$ = 13 TeV by the ATLAS experimen...
Search for new phenomena in final states with photons, jets and missing transverse momentum in pp collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector
Publication Type: Academic Journal
Source(s): Journal of High Energy Physics, Vol 2023, Iss 7, Pp 1-42 (2023)
Abstract: Abstract A search for new phenomena has been performed in final states with at least one isolated high-momentum photon, jets and missing transverse momentum in proton–proton collisions at a centre-of-mass energy of s $$ \sqrt{s} $$ = 13 TeV. The data, ...
Searches for new phenomena in events with two leptons, jets, and missing transverse momentum in 139 fb $$^{-1}$$ - 1 of $$\varvec{\sqrt{s}}=13$$ s = 13 TeV $$\varvec{pp}$$ pp collisions with the ATLAS detector
Publication Type: Academic Journal
Source(s): European Physical Journal C: Particles and Fields, Vol 83, Iss 6, Pp 1-52 (2023)
Abstract: Abstract Searches for new phenomena inspired by supersymmetry in final states containing an $$e^+e^-$$ e + e - or $$\mu ^+\mu ^-$$ μ + μ - pair, jets, and missing transverse momentum are presented. These searches make use of proton–proton collision dat...
Search for light long-lived neutral particles that decay to collimated pairs of leptons or light hadrons in pp collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector
Publication Type: Academic Journal
Source(s): Journal of High Energy Physics, Vol 2023, Iss 6, Pp 1-55 (2023)
Abstract: Abstract A search for light long-lived neutral particles with masses in the O(MeV–GeV) range is presented. The analysis targets the production of long-lived dark photons in the decay of a Higgs boson produced via gluon–gluon fusion or in association wi...
Search for heavy, long-lived, charged particles with large ionisation energy loss in pp collisions at s $$ \sqrt{s} $$ = 13 TeV using the ATLAS experiment and the full Run 2 dataset
Publication Type: Academic Journal
Source(s): Journal of High Energy Physics, Vol 2023, Iss 6, Pp 1-60 (2023)
Abstract: Abstract This paper presents a search for hypothetical massive, charged, long-lived particles with the ATLAS detector at the LHC using an integrated luminosity of 139 fb −1 of proton–proton collisions at s $$ \sqrt{s} $$ = 13 TeV. These particles are e...
Differential t t ¯ $$ t\overline{t} $$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb −1 of ATLAS data
Publication Type: Academic Journal
Source(s): Journal of High Energy Physics, Vol 2023, Iss 4, Pp 1-108 (2023)
Abstract: Abstract Measurements of single-, double-, and triple-differential cross-sections are presented for boosted top-quark pair-production in 13 TeV proton–proton collisions recorded by the ATLAS detector at the LHC. The top quarks are observed through thei...
Search for pair-production of vector-like quarks in pp collision events at s=13 TeV with at least one leptonically decaying Z boson and a third-generation quark with the ATLAS detector
Publication Type: Academic Journal
Source(s): Physics Letters B, Vol 843, Iss , Pp 138019- (2023)
Abstract: A search for the pair-production of vector-like quarks optimized for decays into a Z boson and a third-generation Standard Model quark is presented, using the full Run 2 dataset corresponding to 139fb−1 of pp collisions at s=13TeV, collected in 2015–20...