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Interactions between dark matter and neutrinos would leave observable imprints on cosmic structures. Combining cosmic microwave background and weak lensing data shows a nearly three-sigma preference for such interactions.
Gas-phase actinium monofluoride (AcF) has been produced and spectroscopically studied at the CERN-ISOLDE radioactive ion beam facility; the results highlight the potential of 227AcF for exceptionally sensitive searches of CP violation.
Quantum computing holds great promise for advancing data analysis in science, including high-energy physics. This work presents a quantum protocol for learning and sampling multivariate distributions, using Chebyshev polynomials and quantum Chebyshev transforms to study fragmentation functions and energy-momentum correlations in hadron production.
The potential for neutrinos to travel faster than light challenges fundamental physics, yet remains unconfirmed. The authors utilize the KM3NeT neutrino telescope to impose stringent constraints on Lorentz-violating superluminal neutrino velocities, reinforcing the standard understanding of Lorentz symmetry and impacting future theoretical and experimental explorations in particle physics.
The authors report on a model independent and data-driven theoretical approach to the nucleon gravitational form factors. This provides more precise determinations, refining the picture of gluons and quark distributions in nucleons.
The LHCb experiment at CERN has observed significant asymmetries between the decay rates of the beauty baryon and its CP-conjugated antibaryon, thus demonstrating CP violation in baryon decays.
The renormalization group is a key ingredient in methods of improving perturbative computations in particle physics. Here I briefly discuss its role in perturbative quantum chromodynamics and particularly the running of its coupling constant.
Reducing resource usage will improve the environmental impact of high-performance computing — but doing so can clash with the science goals of funders. Computational physicist Peter Skands explains how he approached the conflict.
Ten years after the discovery of the Higgs boson, the ATLAS Collaboration probes its underlying mechanism, the electroweak symmetry breaking, by measuring the scattering of Z bosons, one of the mediators of the weak interactions.
In proton–proton collisions, the CMS Collaboration measures the simultaneous production of three particles, each consisting of a charm quark and a charm antiquark, which yields insights into how the proton’s constituents interact.
The CMS Collaboration finds evidence for the contribution from off-shell Higgs bosons to the production of events with two Z bosons. This provides a measurement of the Higgs boson’s width.
Sarah Malik explains how quantum random walks can be used to model the cascades of quarks and gluons resulting from the proton–proton collisions at the Large Hadron Collider.
