Observational first: physicists have used the ATLAS experiment at CERN to observe the production of top-quark and photon pairs. (Courtesy: CERN) For the first time, particle physicists have observed ...
In a study published in The Astrophysical Journal, Prof. Zhou Xia from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences and collaborators have, for the first time, ...
Signal efficiency is defined as the ratio of events entering the signal region to the total number of simulated events. The notations "x×y×z" in the legends represents the number of crystals in the ...
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