The result, reported April 13 in Science, casts doubt
on hypothetical particles called dark photons and other potential oddities.
The result, reported April 13 in Science, casts doubt
on hypothetical particles called dark photons and...
Not exact matches
For the first time, physicists are snooping
on some of the likeliest hiding places for
hypothetical subatomic
particles called axions, which could make up dark matter.
Today some of the best minds in physics are fixated
on the event horizon, pondering what would happen to
hypothetical astronauts and subatomic
particles upon reaching the precipice of a black hole.
Still, the new research has set some of the most stringent constraints yet
on how easily the
hypothetical particles may interact with matter, the MoEDAL collaboration reports December 28 at arXiv.org.
So if the results of Gran Sasso are borne out by other experiments, then neutrinos are, in fact, tachyons —
hypothetical particles, never before observed (except
on Star Trek), that travel above light speed, and stay there.
«In the previous studies, astronomers have estimated the size based
on radio emissions assuming
hypothetical spherical dust
particles,» explains Kataoka.
Using that same measurement, researchers also honed in
on the mass of the graviton, the
hypothetical particle that mediates the force of gravity.
We can even take all our data
on particle physics data and interpret them in terms of the mass of a
hypothetical Higgs boson.
It is based
on the idea that
particles (including the
hypothetical ones that transmit gravity) are vibrating strings.
In a paper published May 2 in Nature Physics, the CERN Axion Solar Telescope (CAST) at CERN presented new results
on the properties of axions —
hypothetical particles with minimal interactions with ordinary matter that therefore could constitute some or all of the mysterious dark matter, which is five times more abundant than normal matter.