The first stars of the universe were monstrous beasts. Comprised only of hydrogen and helium, they could be 300 times more massive than the sun. Within them, the first of the heavier elements were formed, then cast off into ...
Astronomy
Dec 23, 2023
3
133
Not all of the material around us is stable. Some materials may undergo radioactive decay to form more stable isotopes. Scientists have now observed a new decay mode for the first time. In this decay, a lighter form of oxygen, ...
General Physics
Sep 4, 2023
3
335
What does the inside of a carbon atom's nucleus look like? A new study by Forschungszentrum Jülich, Michigan State University and the University of Bonn provides the first comprehensive answer to this question. In the study, ...
General Physics
May 15, 2023
0
35
At the Quark Matter conference today and at the recent Rencontres de Moriond conference, the LHCb collaboration presented an analysis of particle collisions at the Large Hadron Collider (LHC) that may help determine whether ...
Quantum Physics
Apr 8, 2022
165
160
Scientists are holding up a "mirror" to protons and neutrons to learn more about the particles that build our visible universe. The MARATHON experiment, carried out at the U.S. Department of Energy's Thomas Jefferson National ...
General Physics
Mar 31, 2022
0
380
In experiments at the Paul Scherrer Institute PSI, an international research collaboration has measured the radius of the atomic nucleus of helium five times more precisely than ever before. With the aid of the new value, ...
General Physics
Jan 27, 2021
0
30
It's not often in nuclear physics that you can clearly get both sides of the story, but a recent experiment allowed researchers to do just that. They compared very similar nuclei to each other to get a clearer view of how ...
General Physics
Jun 8, 2020
0
359
NASA's Neutron star Interior Composition Explorer (NICER) telescope on the International Space Station detected a sudden spike of X-rays at about 10:04 p.m. EDT on Aug. 20. The burst was caused by a massive thermonuclear ...
Astronomy
Nov 7, 2019
1
634
In a discovery that could provide new insights into the origin of mass in the universe following the Big Bang, scientists from the international J-PARC E15 Collaboration, led by researchers from the RIKEN Cluster for Pioneering ...
General Physics
Jan 24, 2019
10
42
What do atomic nuclei really look like? Are the protons and neutrons they contain distributed chaotically? Or do they perhaps bind into alpha clusters, that is, clumps made up of two protons and two neutrons? In the case ...
General Physics
Jun 15, 2018
0
19
