Improved Primakoff-type experiment gives improved accuracy of pion measurement

A large international team of researchers has improved upon Primakoff-type experiments to give an improved accuracy of pion measurement. In their paper published in the journal Science, the group gives an overview of their objectives and outline the experiments they conducted to achieve higher accuracy when measuring the decay of a pion into two photons. Harvey Meyer, with the University of Mainz provides a timeline of the history of quantum chromodynamics theory and also gives an overview of the work done by the researchers in this new effort, in the same journal issue.

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