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"It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge." -Enrico Fermi
As you probably know, the Large Hadron Collider site of discovery of the last fundamental particle in the Standard Model, the Higgs Boson is the most energetic particle accelerator in the history of humankind. When the upgrades it's currently undergoing are complete, it will reach collision energies of 14 TeV. ....

United States , Raditha Dissanayake , Wikimedia Commons , Enrico Fermi , Gordon Kane , Brookhaven National Lab , Particle Data Group , Large Hadron , Standard Model , Particle Data , Scientific American , Large Hadron Collider , International Space ,

Physicists extract proton mass radius from experimental data


Credit: KOU Wei
Researchers have recently extracted the proton mass radius from the experimental data.
A research group at the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS) presented an analysis of the proton mass radius in
Physical Review D on May 11. The proton mass radius is determined to be 0.67 ± 0.03 femtometers, which is obviously smaller than the charge radius of the proton.
In the Standard Model, the proton is a composite particle made of quarks and gluons and it has a non-zero size. The radius of the proton is a global and fundamental property of the proton. It is related to the color confinement radius a property governed by quantum chromodynamics (QCD). ....

United States , Nordrhein Westfalen , Dmitri Kharzeev , Institute Of Modern Physics , National Natural Science Foundation Of China , Bonn University , Jefferson Lab , Chinese Academy Of Sciences , Strategic Priority Research Program , Stony Brook University , Particle Data Group , Modern Physics , Chinese Academy , Standard Model , Particle Data , Spectrometer Arrangement , Induced Reactions , Laser Electron Photons , National Natural Science Foundation , ஒன்றுபட்டது மாநிலங்களில் , னோற்ர்ேன் வெஸ்ட்ஃபாலன் , நிறுவனம் ஆஃப் நவீன இயற்பியல் , தேசிய இயற்கை அறிவியல் அடித்தளம் ஆஃப் சீனா , பொன் பல்கலைக்கழகம் , ஜெஃபர்சன் ஆய்வகம் , சீன கலைக்கழகம் ஆஃப் அறிவியல் ,