Symmetries make the world go round, but so do asymmetries. A case in point is an asymmetry known as charge–parity (CP) asymmetry, which is required to explain why matter vastly outnumbers antimatter in the present-day universe ...
Plasma Physics
Jun 23, 2022
2
746
Aerosol particles can form and grow in Earth's upper troposphere in an unexpected way, reports the CLOUD collaboration in a paper published today in Nature. The new mechanism may represent a major source of cloud and ice ...
Earth Sciences
May 18, 2022
0
25
The CMS collaboration at the Large Hadron Collider (LHC) has carried out a new test on a model that was developed to explain the tiny mass of neutrinos, electrically neutral particles that change type as they travel through ...
General Physics
May 4, 2022
0
301
The CMS collaboration at the Large Hadron Collider (LHC) has performed the most accurate ever measurement of the mass of the top quark—the heaviest known elementary particle. The latest CMS result estimates the value of ...
Quantum Physics
Apr 19, 2022
69
642
A hybrid matter—an antimatter helium atom containing an antiproton, the proton's antimatter equivalent in place of an electron, has an unexpected response to laser light when immersed in superfluid helium, reports the ASACUSA ...
General Physics
Mar 17, 2022
0
1757
Since the discovery of the Higgs boson a decade ago, the ATLAS and CMS collaborations at the Large Hadron Collider (LHC) have been hard at work trying to unlock the secrets of this special particle. In particular, the collaborations ...
General Physics
Mar 11, 2022
0
573
The Higgs boson lives for an extremely short time before it transforms, or "decays," into other particles. It is through the detection of some of these decay products that the unique particle has first been—and continues ...
General Physics
Feb 24, 2022
0
398
Analyzing as many as one billion proton collisions per second or tens of thousands of very complex lead collisions is not an easy job for a traditional computer farm. With the latest upgrades of the LHC experiments due to ...
General Physics
Feb 4, 2022
0
674
The atomic nucleus is a tough nut to crack. The strong interaction between the protons and neutrons that make it up depends on many quantities, and these particles, collectively known as nucleons, are subject to not only ...
Quantum Physics
Jan 14, 2022
0
306
The discovery of the Higgs boson was a landmark in the history of physics. It explained something fundamental: how elementary particles that have mass get their masses. But it also marked something no less fundamental: the ...
General Physics
Jan 13, 2022
1
73
