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  1. Article

    Open Access

    Measurement of the differential \(\hbox {t}\overline{\hbox {t}}\) production cross section as a function of the jet mass and extraction of the top quark mass in hadronic decays of boosted top quarks

    A measurement of the jet mass distribution in hadronic decays of Lorentz-boosted top quarks is presented. The measurement is performed in the lepton + jets channel of top quark pair production (

    A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer in The European Physical Journal C (2023)

  2. Article

    Open Access

    A study of \(C\!P\) violation in the decays \({{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }\) ( \(h = K, \pi \) ) and \({{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }\)

    The first study of \(C\!P\) C P ...

    R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta in The European Physical Journal C (2023)

  3. Article

    Open Access

    Measurement of \(Z\gamma \gamma \) production in pp collisions at \(\sqrt{s}= 13\)  TeV with the ATLAS detector

    Cross-sections for the production of a Z boson in association with two photons are measured in proton–proton collisions at a centre-of-mass energy of 13 TeV. The data used correspond to an integrated luminosity o...

    G. Aad, B. Abbott, D. C. Abbott, K. Abeling, S. H. Abidi in The European Physical Journal C (2023)

  4. Article

    Open Access

    Search for Higgs boson pair production in association with a vector boson in pp collisions at \(\sqrt{s}=13\,\text {TeV}\) with the ATLAS detector

    This paper reports a search for Higgs boson pair (hh) production in association with a vector boson ( \(W\; {\text {o}r}\; Z\)

    G. Aad, B. Abbott, D. C. Abbott, K. Abeling, S. H. Abidi in The European Physical Journal C (2023)

  5. Article

    Open Access

    Measurements of observables sensitive to colour reconnection in \(t{\bar{t}}\) events with the ATLAS detector at \(\sqrt{s} =\) 13 TeV

    A measurement of observables sensitive to effects of colour reconnection in top-quark pair-production events is presented using 139 $$\hbox {f...

    G. Aad, B. Abbott, D. C. Abbott, K. Abeling, S. H. Abidi in The European Physical Journal C (2023)

  6. Article

    Open Access

    Searches for new phenomena in events with two leptons, jets, and missing transverse momentum in 139 fb \(^{-1}\) of \(\varvec{\sqrt{s}}=13\)  TeV \(\varvec{pp}\) collisions with the ATLAS detector

    Searches for new phenomena inspired by supersymmetry in final states containing an \(e^+e^-\) ...

    G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud in The European Physical Journal C (2023)

  7. Article

    Open Access

    Constraints on spin-0 dark matter mediators and invisible Higgs decays using ATLAS 13 TeV pp collision data with two top quarks and missing transverse momentum in the final state

    This paper presents a statistical combination of searches targeting final states with two top quarks and invisible particles, characterised by the presence of zero, one or two leptons, at least one jet origina...

    G. Aad, B. Abbott, D. C. Abbott, K. Abeling, S. H. Abidi in The European Physical Journal C (2023)

  8. Article

    Open Access

    Observation of four-top-quark production in the multilepton final state with the ATLAS detector

    This paper presents the observation of four-top-quark ( \(t\bar{t}t\bar{t}\) t ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in The European Physical Journal C (2023)

  9. Article

    Open Access

    Measurement of the total cross section and \(\rho \) -parameter from elastic scattering in pp collisions at \(\sqrt{s}=13\)  TeV with the ATLAS detector

    In a special run of the LHC with \(\beta ^{\star } = 2.5\) β ...

    G. Aad, B. Abbott, D. C. Abbott, K. Abeling, S. H. Abidi in The European Physical Journal C (2023)

  10. Article

    Open Access

    Measurement of the nuclear modification factor of b-jets in 5.02 TeV Pb+Pb collisions with the ATLAS detector

    This paper presents a measurement of b-jet production in Pb+Pb and pp collisions at \(\sqrt{s_{_\text {NN}}}=5.02\) ...

    G. Aad, B. Abbott, D. C. Abbott, K. Abeling, S. H. Abidi in The European Physical Journal C (2023)

  11. Article

    Open Access

    Analysis of localized CP asymmetry in \({\bar{B}}_{s}^{0} \rightarrow \pi ^+\pi ^-\pi ^{0}(K^{0})\)

    An investigation about localized CP asymmetries for the processes of \({\bar{B}}_{s}^{0} \rightarrow \pi ^{+}\pi ^{-}\pi ^{0} (K^{0})\) ...

    De-Sen Shi, Gang Lü, Yan-Lin Zhao, Na-Wang, **n-Heng Guo in The European Physical Journal C (2023)

  12. Article

    Open Access

    Analysis of localized CP asymmetry in \({\bar{B}}_{s}^{0} \rightarrow \pi ^+\pi ^-\pi ^{0}(K^{0})\)

    An investigation about localized CP asymmetries for the processes of \({\bar{B}}_{s}^{0} \rightarrow \pi ^{+}\pi ^{-}\pi ^{0} (K^{0})\) ...

    De-Sen Shi, Gang Lü, Yan-Lin Zhao, Na-Wang, **n-Heng Guo in The European Physical Journal C (2023)

  13. Article

    Open Access

    Erratum: Measurement of prompt and nonprompt charmonium suppression in PbPb collisions at 5.02 TeV

    A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi in The European Physical Journal C (2023)

  14. Article

    Open Access

    Mass testing and characterization of 20-inch PMTs for JUNO

    Main goal of the JUNO experiment is to determine the neutrino mass ordering using a 20 kt liquid-scintillator detector. Its key feature is an excellent energy resolution of at least 3% at 1 MeV, for which its ...

    Angel Abusleme, Thomas Adam, Shakeel Ahmad, Rizwan Ahmed in The European Physical Journal C (2022)

  15. Article

    Open Access

    Evidence of Mass Ordering of Charm and Bottom Quark Energy Loss in Au+Au Collisions at RHIC

    Partons traversing the strongly interacting medium produced in heavy-ion collisions are expected to lose energy depending on their color charge and mass. We measure the nuclear modification factors for charm- ...

    M. S. Abdallah, B. E. Aboona, J. Adam, L. Adamczyk in The European Physical Journal C (2022)

  16. Article

    Open Access

    Measurements of the associated production of a W boson and a charm quark in proton–proton collisions at \(\sqrt{s}=8\,\text {TeV} \)

    Measurements of the associated production of a W boson and a charm ( \({\text {c}}\) c ...

    A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, J. Erö in The European Physical Journal C (2022)

  17. Article

    Open Access

    Improved measurement of the strong-phase difference \(\delta _D^{K\pi }\) in quantum-correlated \(D{\bar{D}}\) decays

    The decay \(D \rightarrow K^-\pi ^+\) D → ...

    M. Ablikim, M. N. Achasov, P. Adlarson, M. Albrecht in The European Physical Journal C (2022)

  18. Article

    Open Access

    Search for type-III seesaw heavy leptons in leptonic final states in pp collisions at \(\sqrt{s} = 13~\text {TeV}\) with the ATLAS detector

    A search for the pair production of heavy leptons as predicted by the type-III seesaw mechanism is presented. The search uses proton–proton collision data at a centre-of-mass energy of 13 TeV, corresponding to ...

    G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud in The European Physical Journal C (2022)

  19. Article

    Open Access

    On the late-time tails of massive perturbations in spherically symmetric black holes

    It was first pointed out by Koyama and Tomimatsu that, under reasonable assumptions, the asymptotic late-time tails of massive scalar perturbations in the far zone of spherically symmetric black hole spacetime...

    Wei-Liang Qian, Kai Lin, Cai-Ying Shao, Bin Wang in The European Physical Journal C (2022)

  20. Article

    Open Access

    Separation of track- and shower-like energy deposits in ProtoDUNE-SP using a convolutional neural network

    Liquid argon time projection chamber detector technology provides high spatial and calorimetric resolutions on the charged particles traversing liquid argon. As a result, the technology has been used in a numb...

    A. Abed Abud, B. Abi, R. Acciarri, M. A. Acero in The European Physical Journal C (2022)

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