Particle phenomena, as a research area, encompasses the theoretical and experimental investigation of processes, interactions, and emergent behaviors involving elementary and composite particles, primarily within high-energy and nuclear physics. It focuses on quantifying scattering amplitudes, decay channels, production cross-sections, and correlation patterns governed by the Standard Model and its proposed extensions. Research in particle phenomena typically addresses gauge interactions, symmetry breaking, confinement, hadronization, and collective effects in many-body systems such as quark–gluon plasma. The field integrates accelerator-based experiments, detector technology, and advanced computational methods to test fundamental symmetries, probe new physics scales, and refine effective field theories describing particle interactions.
Last week, at the biennial ICHEP conference, the AMBER experiment presented results from its first data-taking period. Taken in 2023, these results show preliminary plots of the antiproton's production cross section—the probability ...
General Physics
Aug 5, 2024
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Despite its immense success in describing the fundamental building blocks of matter and their interactions, the Standard Model of particle physics is known to be incomplete. Experiments around the globe and in space are therefore ...
General Physics
Jul 26, 2024
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The international NOvA collaboration presented new results at the Neutrino 2024 conference in Milan, Italy, on June 17. The collaboration doubled their neutrino data since their previous release four years ago, including ...
General Physics
Jun 28, 2024
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Does proton decay exist and how do we search for it? This is what a recently submitted study to the arXiv preprint server hopes to address as a team of international researchers investigate a concept of using samples from ...
General Physics
Jun 24, 2024
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Remember how difficult it was to find one Higgs boson? Try finding two at the same place at the same time. Known as di-Higgs production, this fascinating process can tell scientists about the Higgs boson self-interaction.
General Physics
Jun 18, 2024
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341
As part of its continued commitment to making its science fully open, the CMS collaboration has just publicly released the combination of CMS measurements that contributed to establishing the discovery of the Higgs boson ...
General Physics
Apr 16, 2024
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991
Particle physicists have detected a novel decay of the Higgs boson for the first time, revealing a slight discrepancy in the predictions of the Standard Model and perhaps pointing to new physics beyond it. The findings are ...
An experiment conducted in Italy, with theory support from Newcastle University, has produced the first experimental evidence of vacuum decay.
Condensed Matter
Jan 22, 2024
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The discovery that neutrinos have mass was groundbreaking. However, their absolute mass remains unknown. Neutrinoless double beta decay experiments aim to determine whether neutrinos are their own antiparticles and, if so, ...
General Physics
Jan 22, 2024
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A group of physicists, three with Harvard University's Department of Physics and Laboratory for Particle Physics and Cosmology, and the fourth with the University of Liverpool, has found evidence suggesting that additional ...
