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
The building blocks of atomic nuclei are protons and neutrons, which are themselves made of even more fundamental particles: quarks and gluons. These particles interact via the strong force, one of the four fundamental forces ...
Plasma Physics
Jun 5, 2023
0
1084
Understanding the behavior of nuclear matter—including the quarks and gluons that make up the protons and neutrons of atomic nuclei—is extremely complicated. This is particularly true in our world, which is three dimensional. ...
General Physics
Jun 5, 2023
0
25
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
Inside the proton are elementary particles called quarks. Quarks and protons have an intrinsic angular momentum called spin. Spin can point in different directions. When it is perpendicular to the proton's momentum, it is ...
General Physics
May 1, 2023
4
49
The ATLAS experiment has confirmed that a trio of particles—a top-antitop quark pair and a W boson—occurs more frequently than expected in the wake of proton-proton collisions inside the Large Hadron Collider (LHC).
General Physics
Apr 19, 2023
5
746
In a unique analysis of experimental data, nuclear physicists have made the first-ever observations of how lambda particles, so-called "strange matter," are produced by a specific process called semi-inclusive deep inelastic ...
General Physics
Apr 18, 2023
0
163
To study atomic nuclei and subatomic particles, scientists use the Large Hadron Collider (LHC) to collide heavy ions—atomic nuclei completely stripped of their surrounding electrons. In these collisions, the quarks and ...
General Physics
Apr 14, 2023
0
78
The universe began about 14 billion years ago with a single point that contained a vast array of fundamental particles, according to the prevailing theory known as the Big Bang. Under the pressure of extreme heat and energy, ...
General Physics
Apr 13, 2023
1
145
Today, at the Moriond conference, the ATLAS and CMS collaborations have both presented the observation of a very rare process: the simultaneous production of four top quarks. They were observed using data from collisions ...
General Physics
Mar 24, 2023
0
344
