Ultra-high energy events key to study of ghost particles

Physicists at Washington University in St. Louis have proposed a way to use data from ultra-high energy neutrinos to study interactions beyond the standard model of particle physics. The 'Zee burst' model leverages new data ...

Electrons set the stage for neutrino experiments

Neutrinos may be the key to finally solving a mystery of the origins of our matter-dominated universe, and preparations for two major, billion-dollar experiments are underway to reveal the particles' secrets. Now, a team ...

Hunting for supermassive black holes in the early universe

Supermassive black holes (SMBHs)—black holes with masses exceeding a million times that of the sun—are known to prevail in the universe today. However, it is not clear yet when, where, and how they formed during the 13.8 ...

World's largest laser completed

(PhysOrg.com) -- The Department of Energy today announced that the National Nuclear Security Administration (NNSA) has certified the completion of the historic effort to build the world's largest laser.

Ultracold atoms dressed by light simulate gauge theories

Our modern understanding of the physical world is based on gauge theories: mathematical models from theoretical physics that describe the interactions between elementary particles (such as electrons or quarks) and explain ...

Hunt for Higgs boson: Mass of top quark narrows search

(PhysOrg.com) -- New high-energy particle research by a team working with data from Fermi National Accelerator Laboratory further heightens the uncertainty about the exact nature of a key theoretical component of modern physics ...

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