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.
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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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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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CMS measures Υ(1S,2S,3S) → τ⁺τ⁻ with 5.8σ significance and cross section 3.5 ± 0.7 (stat) ± 0.7 (syst) nb while setting 95% CL upper limits of 40-400 pb on spin-zero resonance production to ττ with no observed excess in 61.9 fb⁻¹ of 13.6 TeV data.
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.
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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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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.
Delayed neutron-capture energy in a Gd-loaded sampling calorimeter recovers invisible hadronic energy and improves 10 GeV proton resolution from 21.8% to 13.3% via event-by-event correction.
X-ray diffraction reveals that charge localization in EuAl4 is enhanced by magnetic ordering and can be reversibly tuned by applying uniaxial pressure along different crystal axes.
KamLAND finds 7 events consistent with background in 9+ kton-year exposure using NN classification and sets 90% CL DSNB flux upper limits of 38-43 cm^{-2} s^{-1} plus model-independent antineutrino flux bounds below 13.3 MeV.
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.
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Centrality dependence of charged-hadron pseudorapidity distributions in oxygen-oxygen collisions at $\sqrt{s_\mathrm{NN}}$ = 5.36 TeV
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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
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Measurement of D$^0$ meson photoproduction in ultraperipheral heavy ion collisions
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First Demonstration of a Hybrid Cherenkov and Scintillation Detector in a Proof-of-Principle Axion Search at a Beam Dump
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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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Simultaneous measurements of $N$-subjettiness observables in jets from gluons and light-flavour quarks, and in decays of boosted W bosons and top quarks
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Observation of suppressed charged-particle production in ultrarelativistic oxygen-oxygen collisions
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A Novel Hadronic Calorimeter With A Direct Neutron Readout
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Search for Diffuse Supernova Neutrino Background in the Full KamLAND Dataset with Neural-Network-Based Event Classification
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Direct High-Magnetic-Field Coupling to Stripe Order in a Cuprate Superconductor
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Exploring the Boundaries of Differentiable Radiation Transport and Detector Simulation
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BRICKS: Compositional Neural Markov Kernels for Zero-Shot Radiation-Matter Simulation
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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
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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
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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
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Search for dijet resonances with data scouting in proton-proton collisions at $\sqrt{s}$ = 13 TeV
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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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Study of ZZ and ZH production in the bb$\tau\tau$ final state and search for high-mass spin-0 and spin-1 resonances in proton-proton collisions at $\sqrt{s}$ = 13 TeV
CMS sets 95% CL upper limits on σ(X)B(X→ZZ) (300 pb–24 fb) and σ(Z')B(Z'→ZH) (0.4 pb–12 fb) for resonances up to 6 TeV in the bbττ channel with no SM deviation observed.
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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
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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
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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 light scalar particles produced in Higgs boson decays in exclusive final states with two muons and two hadrons in proton-proton collisions at $\sqrt{s}$ = 13 TeV
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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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