2,252 Result(s)
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Article
Open AccessMeasurement of e+e− → ωη′ cross sections at \( \sqrt{s} \) = 2.000 to 3.080 GeV
We measured the Born cross sections for the process e+e− → ωη′ at 22 center-of-mass energies from 2.000 to 3.080 GeV with the BESIII detector at the BEPCII collider. We observed a resonant structure with a statis...
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Open AccessA benchmark JWST near-infrared spectrum for the exoplanet WASP-39 b
Observing exoplanets through transmission spectroscopy supplies detailed information about their atmospheric composition, physics and chemistry. Before the James Webb Space Telescope (JWST), these observations...
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Open AccessSearch for central exclusive production of top quark pairs in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with tagged protons
A search for the central exclusive production of top quark-antiquark pairs ( t t ...
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Open AccessSearch for long-lived heavy neutrinos in the decays of B mesons produced in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
A search for long-lived heavy neutrinos (N) in the decays of B mesons produced in proton-proton collisions at ...
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Article
Open AccessMeasurements of electroweak W±Z boson pair production in association with two jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
Measurements of integrated and differential cross-sections for electroweak W±Z production in association with two jets (W±Zjj) in proton-proton collisions are presented. The data collected by the ATLAS detector a...
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Article
Graphene-based modulator using GST-phase change material on semi-ellipsoid slot waveguide configuration
A novel electro-absorption modulator (EAM) operating at the 1550 nm wavelength has been proposed, comprising graphene layers integrated with semi-ellipsoidal hafnium dioxide (HfO2) nanostructures embedded in a si...
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Article
Energy conditions in the f(R, L, T) theory of gravity
We construct the energy conditions for the recently proposed f(R, L, T) gravity theory, for which f is a generic function of the Ricci scalar R, matter Lagrangian density L and trace of the energy-momentum tensor...
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Open AccessSearch for heavy neutral leptons in final states with electrons, muons, and hadronically decaying tau leptons in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
A search for heavy neutral leptons (HNLs) of Majorana or Dirac type using proton-proton collision data at ...
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Article
Layered conjugated porous fused aromatic network structures of two-dimensional carbon nitride: a first-principles calculation of optoelectronic properties
Very recently, the two-dimensional (2D) structure of poly-benzimidazobenzophenanthroline (C5N) has been effectively synthesized [Javeed Mahmood et al., Adv. Mater. 2021, 33, 2,004,707]. Inspired by interesting ex...
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Article
Open AccessProperties of the ground and excited states of triply heavy spin-1/2 baryons
We study the triply heavy spin-1/2 baryons with quark contents ccb and bbc, and calculate their mass and residue using QCD sum rules. In the calculations, we consider the ground (1 S), first orbitally excited (1P...
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Open AccessSearch for the decay of the Higgs boson to a pair of light pseudoscalar bosons in the final state with four bottom quarks in proton-proton collisions at \( \sqrt{\textrm{s}} \) = 13 TeV
A search is presented for the decay of the 125 GeV Higgs boson (H) to a pair of new light pseudoscalar bosons (a), followed by the prompt decay of each a boson to a bottom quark-antiquark pair,
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Open AccessMeasurement of absolute branching fractions of \( {\textrm{D}}_{\textrm{s}}^{+} \) hadronic decays
Using e+e− collision data collected at the BESIII detector at center-of-mass energies between 4.128 and 4.226 GeV, corresponding to an integrated luminosity of 7.33 fb−1, we determine the absolute branching fract...
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Open AccessSearch for a new resonance decaying into two spin-0 bosons in a final state with two photons and two bottom quarks in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
A search for a new boson X is presented using CERN LHC proton-proton collision data collected by the CMS experiment at ...
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Open AccessMultiplicity-dependent production of Σ(1385)± and Ξ(1530)0 in pp collisions at \( \sqrt{s} \) = 13 TeV
The production yields of the Σ(1385)± and Ξ(1530)0 resonances are measured in pp collisions at s ...
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Article
Open AccessMeasurement of t-channel production of single top quarks and antiquarks in pp collisions at 13 TeV using the full ATLAS Run 2 data sample
The production of single top quarks and top antiquarks via the t-channel exchange of a virtual W boson is measured in proton-proton collisions at a centre-of-mass energy of 13 TeV at the LHC using 140 fb−1 of ATL...
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Article
Open AccessSearch for a third-generation leptoquark coupled to a τ lepton and a b quark through single, pair, and nonresonant production in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
A search is presented for a third-generation leptoquark (LQ) coupled exclusively to a τ lepton and a b quark. The search is based on proton-proton collision data at a center-of-mass energy of 13 TeV recorded w...
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Open AccessSearch for new particles in final states with a boosted top quark and missing transverse momentum in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for events with one top quark and missing transverse momentum in the final state is presented. The fully hadronic decay of the top quark is explored by selecting events with a reconstructed boosted to...
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Open AccessMeasurement of associated J/ψ-ψ(2S) production cross-section in pp collisions at \( \sqrt{s} \) = 13 TeV
The cross-section of associated J/ψ-ψ(2S) production in proton-proton collisions at a centre-of-mass energy of ...
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Article
Open AccessA measurement of ∆Γs
Using a dataset corresponding to 9 fb−1 of integrated luminosity collected with the LHCb detector between 2011 and 2018 in proton-proton collisions, the decay-time distributions of the decay modes ...
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Open AccessSearch for jet quenching effects in high-multiplicity pp collisions at \( \sqrt{s} \) = 13 TeV via di-jet acoplanarity
The ALICE Collaboration reports a search for jet quenching effects in high-multiplicity (HM) proton-proton collisions at ...