First measurement of dNch/dη in OO collisions at 5.36 TeV yields midrapidity densities of 41.8 overall and 135 in central events, consistent with PbPb per participant but showing deviations from simple scaling.
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No excess observed in search for vector-like top quark T to tH in opposite-sign dilepton final states; 95% CL upper limits on sigma times BR range from 2.0 pb at 600 GeV to 0.1 pb at 1000 GeV.
CMS observes η → μ⁺μ⁻e⁺e⁻ for the first time and measures its branching fraction as (2.4 ± 0.8) × 10^{-6}.
The measured cross-section ratio to a no-nuclear-effects baseline is 0.25, yielding a nuclear gluon suppression factor R_g^Pb of 0.55 at x ≈ 10^{-3} and μ² = 22.4 GeV².
First measurement of photonuclear D0 production cross section in ultraperipheral PbPb collisions as a function of pT and rapidity, compared to NLO pQCD with nuclear PDFs and CGC predictions.
CMS provides first evidence for electroweak ZZjj production in the ℓℓννjj final state with measured cross section 0.37 fb agreeing with SM prediction 0.39 fb at 3.1σ (5.0σ combined), plus limits on anomalous quartic gauge couplings.
New publicly available X-ray table models RXToPo and RXagn1 with realistic AGN geometries (torus, polar cone, disk, BLR) generated via RefleX and tested on NGC 424.
CMS reports a simultaneous measurement of 25 N-subjettiness observables in 1-, 2-, and 3-prong jets, unfolded to stable particles with particle-level correlations for QCD modeling.
Dr.Sai autonomously executed full physics analysis pipelines on real BESIII data to re-measure ten J/psi decay branching fractions, matching established benchmarks without any manual coding.
Advection-only galactic wind models fail to reproduce observed vertical radio profiles without unrealistic velocities, synchrotron spectra are biased toward young electrons in dense regions, and bremsstrahlung/Coulomb losses cannot be neglected even when subdominant.
First evidence for ZZ gamma production at 3.7 sigma and observation of 4 lepton gamma at 5.0 sigma in CMS data at 13 TeV, with measured fiducial cross sections consistent with predictions.
A LoRA-adapted conditional diffusion surrogate for electromagnetic calorimeter showers matches key observables within 2% RMSE and reproduces directional trends in design-utility gradients.
First observation of electroweak photon plus two jets production yields a cross section of 202 fb consistent with the standard model prediction of 177 fb at greater than 5 sigma significance.
CMS measures soft-drop groomed radius and momentum balance plus a charged fragmentation function for b jets, observing dead-cone suppression compared to inclusive jets.
First measurements of mixed-order multiparticle cumulants of flow harmonics v2, v3, and v4 in XeXe collisions at 5.44 TeV compared to PbPb at 5.36 TeV show sensitivity to nuclear deformation and nonlinear hydrodynamic response.
First measurement of the nuclear modification factor R_AA in OO collisions at 5.36 TeV shows suppression with a minimum of 0.69 at p_T around 6 GeV, favoring models with parton energy loss.
Presents the first evidence-grounded retrieval benchmark and hybrid RAG framework for silicon pixel detector R&D, with evaluation showing hybrid sparse-dense retrieval most reliable for evidence recovery.
High magnetic fields directly enhance the amplitude and correlation length of stripe order in a cuprate superconductor far above the vortex melting transition, indicating a coupling mechanism independent of superconductivity suppression.
HIMoC devices produce threshold-voltage shifts from 24.8 MeV/u heavy ions that are modeled as Gaussian charge-loss profiles and scale linearly with fluence times LET times area.
BRICKS creates compositional neural Markov kernels via hybrid transformers and Riemannian Flow Matching on product manifolds to enable zero-shot simulation of radiation-matter interactions across arbitrary material distributions.
A reduced electrothermal model with stochastic terms and an absorbing boundary broadens the SEB threshold into a probabilistic band and predicts noise-induced subthreshold runaway.
The ttbar production cross section in PbPb collisions at 5.36 TeV is measured as 3.42 +0.54-0.51 (stat) +0.50-0.43 (syst) μb and is consistent with NNLO pQCD predictions using nuclear PDFs.
No significant excess observed; 95% CL exclusion of higgsino electroweakinos with mass splittings 0.28-1.15 GeV and chargino masses up to 185 GeV using soft-track and neural-network selection.
CMS excludes κ_VV outside 0.40-1.60 at 95% CL and constrains κ_2W and κ_2Z using VBS events with a boosted Higgs to bb decay.
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Centrality dependence of charged-hadron pseudorapidity distributions in oxygen-oxygen collisions at $\sqrt{s_\mathrm{NN}}$ = 5.36 TeV
First measurement of dNch/dη in OO collisions at 5.36 TeV yields midrapidity densities of 41.8 overall and 135 in central events, consistent with PbPb per participant but showing deviations from simple scaling.
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Search for single vector-like quark production in opposite-sign dilepton final states in proton-proton collisions at $\sqrt{s}$ = 13 TeV
No excess observed in search for vector-like top quark T to tH in opposite-sign dilepton final states; 95% CL upper limits on sigma times BR range from 2.0 pb at 600 GeV to 0.1 pb at 1000 GeV.
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Observation of the rare decay $\eta$ $\to$ $\mu^+\mu^-$e$^+$e$^-$
CMS observes η → μ⁺μ⁻e⁺e⁻ for the first time and measures its branching fraction as (2.4 ± 0.8) × 10^{-6}.
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Observation of nuclear suppression in coherent $\Upsilon$(1S) photoproduction off heavy nuclei at the LHC
The measured cross-section ratio to a no-nuclear-effects baseline is 0.25, yielding a nuclear gluon suppression factor R_g^Pb of 0.55 at x ≈ 10^{-3} and μ² = 22.4 GeV².
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Measurement of D$^0$ meson photoproduction in ultraperipheral heavy ion collisions
First measurement of photonuclear D0 production cross section in ultraperipheral PbPb collisions as a function of pT and rapidity, compared to NLO pQCD with nuclear PDFs and CGC predictions.
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Observation of electroweak production of pairs of Z bosons in proton-proton collisions at 13 TeV
CMS provides first evidence for electroweak ZZjj production in the ℓℓννjj final state with measured cross section 0.37 fb agreeing with SM prediction 0.39 fb at 3.1σ (5.0σ combined), plus limits on anomalous quartic gauge couplings.
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The study of the circumnuclear environment of accreting supermassive black holes with realistic X-ray spectral models
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Revisiting radio synchrotron diagnostics in star-forming galaxies
Advection-only galactic wind models fail to reproduce observed vertical radio profiles without unrealistic velocities, synchrotron spectra are biased toward young electrons in dense regions, and bremsstrahlung/Coulomb losses cannot be neglected even when subdominant.
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Evidence of ZZ$\gamma$ production and observation of $4\ell\gamma$ in proton-proton collisions at $\sqrt{s}$ = 13 TeV
First evidence for ZZ gamma production at 3.7 sigma and observation of 4 lepton gamma at 5.0 sigma in CMS data at 13 TeV, with measured fiducial cross sections consistent with predictions.
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Differentiable Surrogate for Detector Simulation and Design with Diffusion Models
A LoRA-adapted conditional diffusion surrogate for electromagnetic calorimeter showers matches key observables within 2% RMSE and reproduces directional trends in design-utility gradients.
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Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at $\sqrt{s}$ = 13 TeV
First observation of electroweak photon plus two jets production yields a cross section of 202 fb consistent with the standard model prediction of 177 fb at greater than 5 sigma significance.
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Jet fragmentation function and groomed substructure of bottom quark jets in proton-proton collisions at 5.02 TeV
CMS measures soft-drop groomed radius and momentum balance plus a charged fragmentation function for b jets, observing dead-cone suppression compared to inclusive jets.
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Characterizing the initial state and dynamical evolution in XeXe and PbPb collisions using multiparticle cumulants
First measurements of mixed-order multiparticle cumulants of flow harmonics v2, v3, and v4 in XeXe collisions at 5.44 TeV compared to PbPb at 5.36 TeV show sensitivity to nuclear deformation and nonlinear hydrodynamic response.
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Observation of suppressed charged-particle production in ultrarelativistic oxygen-oxygen collisions
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A Grounded Evidence-Retrieval Benchmark and Hybrid RAG Framework for Silicon Pixel Detector R&D
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Direct High-Magnetic-Field Coupling to Stripe Order in a Cuprate Superconductor
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Stochastic first-passage modeling of single-event burnout in SiC power MOSFETs
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Measurement of the top quark pair production cross section in PbPb collisions at $\sqrt{s_\mathrm{NN}}$ = 5.36 TeV
The ttbar production cross section in PbPb collisions at 5.36 TeV is measured as 3.42 +0.54-0.51 (stat) +0.50-0.43 (syst) μb and is consistent with NNLO pQCD predictions using nuclear PDFs.
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Search for electroweakinos in compressed-spectrum scenarios with low-momentum isolated tracks in proton-proton collisions at $\sqrt{s}$ = 13 TeV
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Search for associated production of a Higgs boson and two vector bosons via vector boson scattering at $\sqrt{s}$ = 13 TeV
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A Spatial-Resolved Proton Energy Spectrometer Based on a Scintillation-Fiber Cube
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Search for heavy resonances decaying into four-lepton final states via light bosons in proton-proton collisions at $\sqrt{s}$ = 13 TeV
No significant excess observed in four-lepton events from heavy resonances, setting upper limits on production cross sections for dilepton masses 0.4-15 GeV using novel merged-object techniques.
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Highly boosted dielectron identification in proton-proton collisions at $\sqrt{s}$ = 13 TeV
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Search for a new heavy resonance decaying to a top quark and a neutral scalar boson in proton-proton collisions at $\sqrt{s}$ = 13 TeV
No excess found in search for T' to top plus phi; excludes T' masses 0.85-1.3 TeV at 95% CL for SM Higgs case with 5% width, and sets cross-section limits as low as 0.1 fb.
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Particle transformers for identifying Lorentz-boosted Higgs bosons decaying to a pair of W bosons
PaRT achieves >50% tagging efficiency for boosted H->WW jets at 1% background efficiency, decorrelated from jet mass, with data-to-simulation scale factors of 0.9-1.0 on 138 fb^{-1} of 13 TeV collisions.
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Search for soft unclustered energy patterns produced in association with a W or Z boson in proton-proton collisions at $\sqrt{s}$ = 13 TeV
No significant excess is observed in leptonic W/Z plus high-multiplicity soft-particle events, setting limits on Higgs to SUEP decays across a range of model parameters.
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A Data-Driven Fast Simulation Approach for MAPS-based Detectors and their Optimization
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Search for dijet resonances with data scouting in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Search for narrow dijet resonances in the 0.6-1.8 TeV mass range with data scouting in 117 fb^{-1} of 13 TeV data finds no significant signal and sets model-independent upper limits on various resonance types and dark matter mediator couplings.
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First evidence for mixing-induced $CP$ violation in B$^0_\mathrm{s}$ $\to$ J/$\psi\,\phi$(1020) decays in pp collisions at $\sqrt{s} = $ 13 TeV
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Search for long-lived particles decaying into muons in proton-proton collisions at $\sqrt{s}$ = 13.6 TeV using data scouting
Null result from dimuon scouting search at 13.6 TeV sets 95% CL limits on long-lived particle production in Higgs and b-hadron decay channels across multiple BSM models.
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Accelerating Discovery: Model-Agnostic Likelihoods for the Reinterpretation of Particle Physics Results and their Application to the Belle II $B^{+}\to K^{+}\nu\bar{\nu}$ Measurement
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Simulation of proton-induced activation for low-Earth orbit high energy astrophysics missions
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Search for single production of a vector-like B' quark decaying to a top quark and a W boson in the single-lepton final state in proton-proton collisions at $\sqrt{s}$ = 13 TeV
CMS excludes narrow-width singlet vector-like B' quarks with masses 0.8-1.23 TeV in the tW channel using neural-network tagging and data-driven background modeling.
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Comparisons of triple-differential cross sections for quasielastic-like $\nu_\mu$-hydrocarbon interactions using $\langle E_\nu\rangle \sim$ 3~GeV versus $\sim$ 6~GeV beams in MINERvA
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Search for Higgs boson decays into two neutral scalars with unequal masses in final states with b quarks and tau leptons in proton-proton collisions at $\sqrt{s}$ = 13 TeV
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Search for pair production of additional neutral scalars within the Inert Doublet Model in a final state with two electrons or two muons in proton-proton collisions at $\sqrt{s}$ = 13 TeV and 13.6 TeV
No significant excess found; new exclusion limits reach m_H = 108 GeV for m_H - m_A = 78 GeV in the Inert Doublet Model.
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Improved muon energy estimation using a detailed model of multiple Coulomb scattering in the MicroBooNE LArTPC
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Search for a new heavy scalar resonance decaying into the Higgs boson and a new scalar particle in the $\mathrm{b}\bar{\mathrm{b}}\mathrm{b}\bar{\mathrm{b}}$ final state using proton-proton collisions at $\sqrt{s}$ = 13 TeV
No evidence found for a new heavy scalar resonance X decaying to Higgs plus new scalar Y in the four-bottom-quark final state; 95% CL upper limits set on cross section times branching fraction.
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Search for light charged Higgs bosons decaying to charm and strange quarks in $\mathrm{t\bar{t}}$ events in proton-proton collisions at $\sqrt{s}$ = 13 TeV
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ALPHANSO: Open-Source Modeling of ($\alpha$,n) Neutron Source Terms
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Light-tight skipper-CCDs for X-ray detection in space
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Measurement of the dineutrino system kinematic variables in dileptonic top quark pair production in proton-proton collisions at$\sqrt{s}$ = 13 TeV
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High-precision measurement of the W boson mass with the CMS experiment
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Search for new physics using single-lepton events with high multiplicities of jets and b jets in proton-proton collisions at $\sqrt{s}$ = 13 TeV
No significant excess found in single-lepton high-multiplicity jet events; gluino masses below 1890 GeV excluded at 95% CL in R-parity violating SUSY model.
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Analysis of the $C\!P$ structure of the Yukawa coupling between the Higgs boson and tau leptons in proton-proton collisions at $\sqrt{s}$ = 13.6 TeV
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