Mass and Motion

China Spallation Neutron Source

Everything filed under experiments in our physics coverage, the 6 reports filed on it so far.

A quantum test on the China Space Station achieved record precision for the weak equivalence principle, while a separate...

Space Station and Lab Tests Confirm Einstein's Equivalence

A quantum test on the China Space Station achieved record precision for the weak equivalence principle, while a separate lab experiment confirmed the

2026-09-22
Neutron spectroscopy reveals a quasiparticle energy crossover from deconfined spinons to bound triplons in the...

Spinon to Triplon Transition Observed in Frustrated Quantum

Neutron spectroscopy reveals a quasiparticle energy crossover from deconfined spinons to bound triplons in the spin-Peierls material CuGeO3, driven by

2026-09-16
A microscopic transport model study shows a significant fraction of protons stopped at mid-rapidity in low-energy...

UrQMD Model Reveals Neutron Origin of Stopped Protons

A microscopic transport model study shows a significant fraction of protons stopped at mid-rapidity in low-energy heavy-ion collisions originate from

2026-09-09
Physicists report the first measurement of near-threshold J/ψ particle production from a neutron target, enabling a...

First Measurement of J/ψ Photoproduction on Neutron

Physicists report the first measurement of near-threshold J/ψ particle production from a neutron target, enabling a direct comparison with bound...

2026-09-04
A new analysis of leading-neutron production data from the HERA collider uses the Sullivan process and...

HERA Data Constrain Pion Structure via Leading Neutrons

A new analysis of leading-neutron production data from the HERA collider uses the Sullivan process and target-fragmentation modeling to constrain the

2026-09-04
Science: Researchers at Washington University in St

New fuel cell breakthrough could help power energy-hungry data centers

Researchers at Washington University in St. Louis have developed a new ultra-durable fuel-cell catalyst that could help turn hydrogen into a more...

2026-08-18