Intriguing excess of top-quark pairs hints at discovery of smallest composite particle
The CMS collaboration at CERN has observed an unexpected feature in data produced by the Large Hadron Collider (LHC), which ...
CERN Courier9 天
Charm jets lose less energy
New results from the ALICE collaboration highlight the quark-mass and colour-charge dependence of energy loss in the ...
Scientists measure the spin-parity of charm baryons for the first time
In a new development at CERN, researchers at the LHCb collaboration have determined the spin-parity of singly heavy charm baryons for the first time, addressing a long-standing mystery in baryon ...
Symmetry Magazine17 天
Scientists recall the discovery of the top quark 30 years ago at Fermilab
Thirty years ago, the discovery of a long-sought particle was announced at the US Department of Energy’s Fermi National ... Then we found out that there are other types of quarks, the strange quark ...