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General Physics Sep 11, 2006

Dark Energy and Dark Matter – The Results of Flawed Physics?

There are few scientific concepts as intriguing and mysterious as dark energy and dark matter, said to make up as much as 95 percent of all the energy and matter in the universe. And even though scientists don't know what ...

General Physics Sep 1, 2006

Sterile neutrinos and the search for warm dark matter

Matteo Viel, a research fellow at the Institute of Astronomy in Cambridge, England, believes that particle physics and cosmology could be more compatible as scientists work toward understanding the origins and the nature ...

General Physics 9 hours ago

Scientists at the MAJORANA Collaboration look for rule-violating electrons

In a new study published inNature Physics, scientists at the MAJORANA Collaboration have tested the stringency of charge conservation and Pauli's exclusion principles using underground detectors. Alessio Porcelli has published ...

General Physics Jul 19, 2023

PandaX sets new constraints on the search for light dark matter via ionization signals

Teams of physicists worldwide have been trying to detect dark matter, an elusive type of matter that does not emit, absorb, or reflect light. Due to its lack of interactions with electromagnetic forces, this matter is very ...

Astronomy Jul 13, 2023

Study sets new constraints on the kinetic mixing of hidden photon dark matter

As dark matter is comprised of particles that do not absorb, emit or reflect light, it cannot be observed directly with the methods used to observe conventional matter. In recent years, astrophysicists worldwide have thus ...

General Physics Jun 22, 2023

Could quantum gravity models arising from holography explain cosmological acceleration?

Theoretical physicists have long been trying to devise a complete theory of gravity that would also account for quantum mechanics phenomena, as existing models do not. Such a theory could collectively explain the many intricate ...

General Physics Dec 14, 2022

Could axion decay underlie excess cosmic optical background?

The cosmic optical background (COB) is the visible light emitted by all sources outside of the Milky Way. This faint glow of light, which can only be observed using very precise and sophisticated telescopes, could help astrophysics ...

General Physics Dec 7, 2022

Study explores the possibility that dark photons might be a heat source for intergalactic gas

Gas clouds across the universe are known to absorb the light produced by distant massive celestial objects, known as quasars. This light manifests as the so-called Lyman alpha forest, a dense structure composed of absorption ...

General Physics Nov 14, 2022

Recent searches for light fermionic dark matter by the PandaX-4T collaboration

Teams of astrophysicists worldwide are trying to observe different possible types of dark matter (DM), hypothetical matter in the universe that does not emit, absorb or reflect light and would thus be very difficult to detect. ...

General Physics Jul 6, 2022

Study sets new constraints on dark photons using a new dielectric optical haloscope

Researchers at the National Institute of Standards and Technology (NIST), Massachusetts Institute of Technology (MIT) and the Perimeter Institute recently set new constraints on dark photons, which are hypothetical particles ...

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