Tag

Beyond Standard Model

All articles tagged with #beyond standard model

science1 month ago

CERN's LHCb Hints at New Physics in B-Meson Decays (4-Sigma Tension)

Researchers at CERN's LHCb observed ~650 billion B-meson decays and found a four-sigma discrepancy with Standard Model predictions in rare penguin-like decays, a potential hint of new physics. If confirmed, explanations could involve a Z' boson or leptoquarks; further analysis of data since 2018 and upgrades planned for the 2030s are expected to clarify whether this is genuine new physics or a statistical fluctuation.

Warped Fifth Dimension Could Be Home for Dark Matter, Say Physicists
science5 months ago

Warped Fifth Dimension Could Be Home for Dark Matter, Say Physicists

A Spanish-German team proposes that dark matter could be fermions existing in a warped fifth dimension, a hidden realm beyond our familiar spacetime. In the warped extra dimension model, space is curved in a way that allows particles to migrate into this fifth dimension, remaining invisible to standard detectors while still exerting gravitational effects. The idea could explain why dark matter has eluded direct detection and may address the hierarchy problem, suggesting new physics beyond the Standard Model. Detecting such cross‑dimensional matter would be difficult, but future gravitational‑wave observatories could, in principle, pick up subtle effects if these fermions interact across dimensions.