When two heavy ions collide at very high relativistic energies, they penetrate one another, during which they become excited and are slowed down. This "stopping" process can be generated experimentally, as demonstrated on ...
General Physics
Jun 14, 2023
0
33
Using some of the world's most powerful supercomputers, a group of theorists has produced a major advance in the field of nuclear physics—a calculation of the "heavy quark diffusion coefficient." This number describes how ...
General Physics
Jun 7, 2023
0
77
Physicists analyzing data from gold ion smashups at the Relativistic Heavy Ion Collider (RHIC), a U.S. Department of Energy (DOE) Office of Science user facility for nuclear physics research at DOE's Brookhaven National Laboratory, ...
General Physics
Jun 2, 2023
0
469
Physicists report new evidence that production of an exotic state of matter in collisions of gold nuclei at the Relativistic Heavy Ion Collider (RHIC)—an atom-smasher at the U.S. Department of Energy's (DOE) Brookhaven ...
General Physics
Feb 27, 2023
0
154
Research in fundamental science has revealed the existence of quark-gluon plasma (QGP)—a newly identified state of matter—as the constituent of the early universe. Known to have existed a microsecond after the Big Bang, ...
Plasma Physics
Feb 13, 2023
0
776
Nuclear physicists studying particle collisions at the Relativistic Heavy Ion Collider (RHIC)—a U.S. Department of Energy Office of Science user facility at DOE's Brookhaven National Laboratory—have new evidence that ...
Plasma Physics
Aug 31, 2022
0
528
Scientists studying particle collisions at the Relativistic Heavy Ion Collider (RHIC) have revealed how certain particle-jets lose energy as they traverse the unique form of nuclear matter created in these collisions. The ...
Plasma Physics
Jun 8, 2022
0
165
Scientists have found a new way to "see" inside the simplest atomic nuclei to better understand the "glue" that holds the building blocks of matter together. The results, just published in Physical Review Letters, come from ...
Quantum Physics
Mar 24, 2022
1
1553
Where does the proton get its spin? This question has puzzled physicists ever since experiments in the 1980s revealed that a proton's constituent quarks—the most fundamental building blocks of atomic nuclei—account for ...
General Physics
Oct 12, 2021
0
158
Nuclear physicists are trying to understand how particles called quarks and gluons combine to form hadrons, composite particles made of two or three quarks. To study this process, called hadronization, a team of nuclear physicists ...
General Physics
Jul 15, 2020
1
359
