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 ...
General Physics
Nov 24, 2021
0
1902
There are many questions surrounding the elementary particle neutrino, in particular regarding its mass. Physicists are also interested in whether besides the 'classic' neutrinos there are variants such as the so-called sterile ...
General Physics
Apr 12, 2021
0
59
On December 6, 2016, a high-energy particle called an electron antineutrino hurtled to Earth from outer space at close to the speed of light carrying 6.3 petaelectronvolts (PeV) of energy. Deep inside the ice sheet at the ...
General Physics
Mar 10, 2021
11
861
For only the second time, astronomers have linked an elusive particle called a high-energy neutrino to an object outside our galaxy. Using ground- and space-based facilities, including NASA's Neil Gehrels Swift Observatory, ...
Astronomy
Feb 22, 2021
1
86
The COHERENT particle physics experiment at the Department of Energy's Oak Ridge National Laboratory has firmly established the existence of a new kind of neutrino interaction. Because neutrinos are electrically neutral and ...
General Physics
Jan 26, 2021
4
150
Sometimes in astronomy, the acronym for a project fits it particularly well. That would absolutely be the case for the Giant Radio Array for Neutrino Detection, which researchers hope to scale up to a size of 200,000 km2 ...
General Physics
Dec 23, 2020
8
638
Neutrinos are chargeless particles with about a mass about a millionth that of an electron that are created by the nuclear processes that occur in the Sun and other stars. These particles are often colorfully described as ...
General Physics
Dec 4, 2020
0
121
The origin of high-energy cosmic neutrinos observed by the IceCube Neutrino Observatory, whose detector is buried deep in the Antarctic ice, is an enigma that has perplexed physicists and astronomers. A new model could help ...
Astronomy
Jul 1, 2020
4
7370
A new research paper co-authored by a Virginia Tech assistant professor of physics provides a new explanation for two recent strange events that occurred in Antarctica—high-energy neutrinos appearing to come up out of the ...
General Physics
Jun 10, 2020
10
1452
Russian astrophysicists have come close to determining the origin of high-energy neutrinos from space. The team compared data on the elusive particles gathered by the Antarctic neutrino observatory IceCube and on long electromagnetic ...
Astronomy
May 13, 2020
11
414
