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physics

General physics spanning optics, fluids, plasma, atomic, and applied physics.

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FLARE Extends Laboratory Access to Multiple X-Line Reconnection

A larger, modular reconnection experiment combines segmented coils, independent ohmic heating, and upgraded diagnostics to target $S\sim10^5$ and $\lambda\sim10^3$.

Aug 26, 20265 min2608.17332

MicroBooNE Measures MeV Energy Resolution in Liquid Argon

Pair-production topologies from 2.614 MeV thallium gamma rays isolate a 1.54 MeV calibration peak with 7.52% reconstructed-energy resolution.

Aug 23, 20264 min2605.30709

Flow-Guided Tags Identify 63% of LZ Lead-214 Background

Tracking radon progeny through a controlled liquid-xenon flow field identifies ground-state lead-214 decays while sacrificing 9.0% of exposure.

Aug 21, 20264 min2508.19117

TUCAN Sets New Detected Ultracold Neutron Rate

A spallation-driven source combines heavy-water and liquid-deuterium moderation with superfluid helium conversion to reach 6.75×10⁵ detected UCN/s.

Aug 18, 20264 min2607.03033

Solar Orbiter Extends Geomagnetic Storm Warnings by Hours

Far-upstream magnetic-field measurements constrain CME propagation and drive Dst forecasts 15.3 and 4.3 hours before shocks reach L1.

Aug 16, 20264 min2508.13892

Kaonic Deuterium X-Rays Expose the K−n Threshold Interaction

SIDDHARTA-2 isolates rare deuterium X-rays with timing-selected silicon detectors, measuring an −810.9 eV 1s shift and 812 eV width.

Aug 13, 20265 min2608.10749

Pressure Reveals a Fragile Bright Magnetic Exciton

Hydrostatic compression extinguishes NiPS3 photoluminescence by 1.5 GPa without magnetic, structural, or electronic reconstruction.

Aug 11, 20264 min2607.27695

Surface Fields Drive Trihydrogen Formation on Hydrated Silica

Self-charging under 1.88 keV X-rays produces V/nm surface fields, linking water fragmentation to H3+ formation below the warm-dense-matter threshold.

Aug 8, 20265 min2608.05590 Code available

Double-Blind Holography Recovers FEL Pulses and Attosecond Delays

Spectral interference with an HHG reference retrieves sub-10 fs SASE FEL waveforms while locating relative delay with a 0.37 fs distribution center.

Aug 6, 20264 min2608.00153

XENONnT Extends Light Dark Matter Limits With S2-Only Data

A 7.83 tonne-year ionization-only analysis models low-energy backgrounds in four observables and excludes spin-independent scattering above 6.0×10⁻⁴⁵ cm² at 5 GeV/c².

Aug 3, 20264 min2601.11296