S. Argyropoulos
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View article: Evaluating tendon transfers in irreparable rotator cuff tears: A systematic review of clinical outcomes and failure rates
Evaluating tendon transfers in irreparable rotator cuff tears: A systematic review of clinical outcomes and failure rates Open
Background Irreparable rotator cuff tears (IRCTs) pose a clinical challenge, particularly in younger patients. Tendon transfers (TTs) have emerged as a joint-preserving surgical option. However, the clinical outcomes, failure rates, and co…
View article: Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top-quark pair production with the ATLAS detector at $ \\sqrt{s} $ = 13 TeV
Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top-quark pair production with the ATLAS detector at $ \\sqrt{s} $ = 13 TeV Open
Cross-section measurements of top-quark pair production where the hadronically decaying top quark has transverse momentum greater than 355 GeV and the other top quark decays into ℓνb are presented using 139 fb–1 of data collected by the AT…
View article: Measurement of Higgs boson decay into $b$-quarks in associated production with a top-quark pair in $pp$ collisions at $ \\sqrt{s} $ = 13 TeV with the ATLAS detector
Measurement of Higgs boson decay into $b$-quarks in associated production with a top-quark pair in $pp$ collisions at $ \\sqrt{s} $ = 13 TeV with the ATLAS detector Open
The associated production of a Higgs boson and a top-quark pair is measured in events characterized by the presence of one or two electrons or muons. The Higgs boson decay into a b-quark pair is used. The analyzed data, corresponding to an…
View article: Search for exotic decays of the Higgs boson into long-lived particles in pp collisions at $\\sqrt{s}$ = 13 TeV using displaced vertices in the ATLAS inner detector
Search for exotic decays of the Higgs boson into long-lived particles in pp collisions at $\\sqrt{s}$ = 13 TeV using displaced vertices in the ATLAS inner detector Open
A novel search for exotic decays of the Higgs boson into pairs of long-lived neutral particles, each decaying into a bottom quark pair, is performed using 139 fb-1 of $\\sqrt{s}$ = 13 TeV proton-proton collision data collected with the ATL…
View article: Measurement of the polarisation of single top quarks and antiquarks produced in the $t$-channel at $ \\sqrt{s} $ = 13 TeV and bounds on the $tWb$ dipole operator from the ATLAS experiment
Measurement of the polarisation of single top quarks and antiquarks produced in the $t$-channel at $ \\sqrt{s} $ = 13 TeV and bounds on the $tWb$ dipole operator from the ATLAS experiment Open
A simultaneous measurement of the three components of the top-quark and top-antiquark polarisation vectors in t-channel single-top-quark production is presented. This analysis is based on data from proton–proton collisions at a centre-of-m…
View article: Search for exotic decays of the Higgs boson into $b\\bar{b}$ and missing transverse momentum in $pp$ collisions at $\\sqrt{s}$ = 13 TeV with the ATLAS detector
Search for exotic decays of the Higgs boson into $b\\bar{b}$ and missing transverse momentum in $pp$ collisions at $\\sqrt{s}$ = 13 TeV with the ATLAS detector Open
A search for the exotic decay of the Higgs boson (H) into a $b\\bar{b}$ resonance plus missing transverse momentum is described. The search is performed with the ATLAS detector at the Large Hadron Collider using 139 fb-1 of pp collisions a…
View article: Novel collider signatures in the type-I 2HDM+a model
Novel collider signatures in the type-I 2HDM+a model Open
A bstract The 2HDM+ a model is one of the main models used in the interpretations of dark matter searches at the LHC. So far, all the 2HDM+ a benchmarks considered by the ATLAS and CMS experiments are limited to a type-II Yukawa sector, in…
View article: Density dependent displaced vertex signatures as a novel probe of light dark sector scalars at the LHC
Density dependent displaced vertex signatures as a novel probe of light dark sector scalars at the LHC Open
Dynamical theories of dark energy predict new degrees of freedom with particular environmental sensitivity to avoid constraints on fifth forces. We show that the similar, yet complementary multi-purpose detector setup of the ATLAS and CMS …
View article: Novel collider signatures in the type-I 2HDM+$a$ model
Novel collider signatures in the type-I 2HDM+$a$ model Open
The 2HDM+$a$ model is one of the main models used in the interpretations of dark matter searches at the LHC. So far, all the 2HDM+$a$ benchmarks considered by the ATLAS and CMS experiments are limited to a type-II Yukawa sector, in which t…
View article: Erratum to: Search for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector
Erratum to: Search for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector Open
One correction is noted for the paper. The calculation of an angle used to account for meson polarisation in the signal decays was not correct. © The Authors.
View article: Density dependent displaced vertex signatures as a novel probe of light dark sector scalars at the LHC
Density dependent displaced vertex signatures as a novel probe of light dark sector scalars at the LHC Open
Dynamical theories of dark energy predict new degrees of freedom with particular environmental sensitivity to avoid constraints on fifth forces. We show that the similar, yet complementary multi-purpose detector setup of the ATLAS and CMS …
View article: Search for single vector-like $B$ quark production and decay via $B\rightarrow bH(b\bar{b})$ in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Search for single vector-like $B$ quark production and decay via $B\rightarrow bH(b\bar{b})$ in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector Open
A search is presented for single production of a vector-like $B$ quark decaying into a Standard Model $b$-quark and a Standard Model Higgs boson, which decays into a $b\bar{b}$ pair. The search is carried out in 139 fb$^{-1}$ of $\sqrt{s} …
View article: Benchmarking LHC searches for light 2HDM+a pseudoscalars
Benchmarking LHC searches for light 2HDM+a pseudoscalars Open
Using two suitable benchmark scenarios that satisfy the experimental constraints on the total decay width of the 125 GeV Higgs boson, we determine the bounds on light CP-odd spin-0 states in the 2HDM+a model that arise from existing LHC se…
View 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
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 Open
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 energy of $$\sqrt{s}$$ = 13…
View article: Report on scipost_202203_00007v1
Report on scipost_202203_00007v1 Open
Using two suitable benchmark scenarios that satisfy the experimental constraints on the total decay width of the 125 GeV Higgs boson, we determine the bounds on light CP-odd spin-0 states in the 2HDM+a model that arise from existing LHC se…
View article: Report on scipost_202203_00007v1
Report on scipost_202203_00007v1 Open
Using two suitable benchmark scenarios that satisfy the experimental constraints on the total decay width of the 125 GeV Higgs boson, we determine the bounds on light CP-odd spin-0 states in the 2HDM+a model that arise from existing LHC se…
View 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
Determination of the parton distribution functions of the proton using diverse ATLAS data from pp collisions at $$\sqrt{s} = 7$$, 8 and 13 TeV Open
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 collisions at $$\sqrt{s} =…
View article: Search for single production of a vectorlike T quark decaying into a Higgs boson and top quark with fully hadronic final states using the ATLAS detector
Search for single production of a vectorlike T quark decaying into a Higgs boson and top quark with fully hadronic final states using the ATLAS detector Open
A search is made for a vectorlike T quark decaying into a Higgs boson and a top quark in 13 TeV proton-proton collisions using the ATLAS detector at the Large Hadron Collider with a data sample corresponding to an integrated luminosity of …
View article: Report on scipost_202203_00007v1
Report on scipost_202203_00007v1 Open
Using two suitable benchmark scenarios that satisfy the experimental constraints on the total decay width of the 125 GeV Higgs boson, we determine the bounds on light CP-odd spin-0 states in the 2HDM+a model that arise from existing LHC se…
View article: Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in pp collisions at $\\sqrt s$=13 TeV
Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in pp collisions at $\\sqrt s$=13 TeV Open
A search for events with two displaced vertices from long-lived particles (LLP) pairs using data collected by the ATLAS detector at the LHC is presented. This analysis uses 139 fb$^{-1}$ of proton-proton collision data at $\\sqrt{s}=13$ Te…
View article: Benchmarking LHC searches for light 2HDM+$\boldsymbol{a}$ pseudoscalars
Benchmarking LHC searches for light 2HDM+$\boldsymbol{a}$ pseudoscalars Open
Using two suitable benchmark scenarios that satisfy the experimental constraints on the total decay width of the $125 \, {\rm GeV}$ Higgs boson, we determine the bounds on light CP-odd spin-0 states in the 2HDM+$a$ model that arise from ex…
View article: Measurement of the polarisation of single top quarks and antiquarks produced in the $t$-channel at $\sqrt{s}=13$ TeV and bounds on the $tWb$ dipole operator from the ATLAS experiment
Measurement of the polarisation of single top quarks and antiquarks produced in the $t$-channel at $\sqrt{s}=13$ TeV and bounds on the $tWb$ dipole operator from the ATLAS experiment Open
A simultaneous measurement of the three components of the top-quark and top-antiquark polarisation vectors in $t$-channel single-top-quark production is presented. This analysis is based on data from proton--proton collisions at a centre-o…
View article: A search for an unexpected asymmetry in the production of $e^+ \mu^-$ and $e^+ \mu^-$ pairs in proton–proton collisions recorded by the ATLAS detector at $\sqrt s$ = 13 TeV
A search for an unexpected asymmetry in the production of $e^+ \mu^-$ and $e^+ \mu^-$ pairs in proton–proton collisions recorded by the ATLAS detector at $\sqrt s$ = 13 TeV Open
This search, a type not previously performed at ATLAS, uses a comparison of the production cross sections for $e^+ μ^−$ and $e^− μ^+$ pairs to constrain physics processes beyond the Standard Model. It uses 139fb$^{−1}$ of proton–proton col…
View article: Observation of $WWW$ production in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Observation of $WWW$ production in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector Open
This Letter reports the observation of WWW production and a measurement of its cross section using 139 fb$^{-1}$ of proton-proton collision data recorded at a center-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collid…
View article: Measurements of jet observables sensitive to $b$-quark fragmentation in $t\\bar{t}$ events at the LHC with the ATLAS detector
Measurements of jet observables sensitive to $b$-quark fragmentation in $t\\bar{t}$ events at the LHC with the ATLAS detector Open
Several observables sensitive to the fragmentation of $b$-quarks into $b$-hadrons are measured using 36 fb${}^{-1}$ of $\\sqrt s = 13$ TeV proton-proton collision data collected with the ATLAS detector at the LHC. Jets containing $b$-hadro…
View article: Search for type-III seesaw heavy leptons in leptonic final states in $pp$ collisions at $\\sqrt{s} = 13$ TeV with the ATLAS detector
Search for type-III seesaw heavy leptons in leptonic final states in $pp$ collisions at $\\sqrt{s} = 13$ TeV with the ATLAS detector Open
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 139 fb$^{-1}$ of integrated l…