468 Result(s)

Article

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)

Article

ICARUS at the Fermilab Short-Baseline Neutrino program: initial operation

The ICARUS collaboration employed the 760-ton T600 detector in a successful 3-year physics run at the underground LNGS laboratory, performing a sensitive search for LSND-like anomalous

P. Abratenko, A. Aduszkiewicz, F. Akbar, M. Artero Pons… in The European Physical Journal C (2023)

Article

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

M. S. Abdallah, B. E. Aboona, J. Adam, L. Adamczyk… in The European Physical Journal C (2023)

Article

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)

Article

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)

Article

Dark matter effects on hybrid star properties

In the present work, we investigate the effects of dark matter (DM) on hybrid star properties. We assume that dark matter is mixed with both hadronic and quark matter and interacts with them through the exchan...

C. H. Lenzi, M. Dutra, O. Lourenço, L. L. Lopes… in The European Physical Journal C (2023)

Article

Disentangling the sources of ionizing radiation in superconducting qubits

Radioactivity was recently discovered as a source of decoherence and correlated errors for the real-world implementation of superconducting quantum processors. In this work, we measure levels of radioactivity ...

L. Cardani, I. Colantoni, A. Cruciani, F. De Dominicis… in The European Physical Journal C (2023)

Article

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)

Article

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)

Article

Measurement of \(J/\psi \) decays into final states \(2(\pi ^{+}\pi ^{-})\pi ^{0},K^{+}K^{-}\pi ^{+}\pi ^{-}\pi ^{0},\,2(\pi ^{+}\pi ^{-})\) and \(K^{+}K^{-}\pi ^{+}\pi ^{-}\)

Using the 1.32 \(\hbox {pb}^{-1}\) pb - ...

V. V. Anashin, O. V. Anchugov, V. M. Aulchenko… in The European Physical Journal C (2022)

Article

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)

Article

Experimental study of the \(e^+e^-\rightarrow n{\bar{n}}\) process at the VEPP-2000 \(e^+e^-\) collider with the SND detector

The process \(e^+e^-\rightarrow n{\bar{n}}\) e ...

M. N. Achasov, A. Yu. Barnyakov, K. I. Beloborodov… in The European Physical Journal C (2022)

Article

Direct constraint on the Higgs–charm coupling from a search for Higgs boson decays into charm quarks with the ATLAS detector

A search for the Higgs boson decaying into a pair of charm quarks is presented. The analysis uses proton–proton collisions to target the production of a Higgs boson in association with a leptonically decaying W o...

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

Article

Constraints on Higgs boson properties using \(WW^{*}(\rightarrow e\nu \mu \nu )jj\) production in \(36.1\,\mathrm{fb}^{-1}\) of \(\sqrt{s}=13\)  TeV pp collisions with the ATLAS detector

This article presents the results of two studies of Higgs boson properties using the \(WW^*(\rightarrow e\nu \mu \nu )jj\) ...

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

Article

Scintillation light detection in the 6-m drift-length ProtoDUNE Dual Phase liquid argon TPC

DUNE is a dual-site experiment for long-baseline neutrino oscillation studies, neutrino astrophysics and nucleon decay searches. ProtoDUNE Dual Phase (DP) is a 6 

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

Article

Two-particle Bose–Einstein correlations in \({ pp }\) collisions at \(\mathbf {\sqrt{s} = 13}\)  TeV measured with the ATLAS detector at the LHC

This paper presents studies of Bose–Einstein correlations (BEC) in proton–proton collisions at a centre-of-mass energy of 13 TeV, using data from the ATLAS detector at the CERN Large Hadron Collider. Data were...

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

Article

Search for long-lived charginos based on a disappearing-track signature using 136 fb \(^{-1}\) of pp collisions at \(\sqrt{s}\)  = 13 TeV with the ATLAS detector

A search for long-lived charginos produced either directly or in the cascade decay of heavy prompt gluino states is presented. The search is based on proton–proton collision data collected at a centre-of-mass ...

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

Article

Determination of the parton distribution functions of the proton using diverse ATLAS data from pp collisions at \(\sqrt{s} = 7\) , 8 and 13 TeV

This paper presents an analysis at next-to-next-to-leading order in the theory of quantum chromodynamics for the determination of a new set of proton parton distribution functions using diverse measurements in pp

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

Article

Measurement of the energy asymmetry in \(t{\bar{t}}j\) production at \(13\,\) TeV with the ATLAS experiment and interpretation in the SMEFT framework

A measurement of the energy asymmetry in jet-associated top-quark pair production is presented using \(139\,{\mathrm {fb}}^{-1}\) ...

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

Article

Search for massive long-lived particles decaying semileptonically at \({\sqrt{s}}=13\,\hbox {TeV}\)

A search is performed for massive long-lived particles (LLPs) decaying semileptonically into a muon and two quarks. Two kinds of LLP production processes were considered. In the first, a Higgs-like boson with ...

R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta… in The European Physical Journal C (2022)