kaon

Meet the kaon

Nearly 75 years after the puzzling first detection of the kaon, scientists are still looking to the particle for hints of physics beyond their current understanding.

From Brookhaven National Laboratory, Sept. 17, 2020: Brookhaven theorists publish an improved prediction for the tiny difference in kaon decays observed by experiments. Understanding these decays and comparing the prediction with more recent state-of-the-art experimental measurements made at Fermilab and CERN gives scientists a way to test for tiny differences between matter and antimatter.

Never alone

Scientists have tuned models to describe the average properties of the mesons created in the fragmentation process, CDF watched what happens to the end of the string that remains immediately after the part connected to the heavy quark is broken.