Article ID Journal Published Year Pages File Type
1847510 Nuclear Physics B - Proceedings Supplements 2010 4 Pages PDF
Abstract

Experimental data on the three-pion decay of the τ lepton are used to determine the mixing angle in a two-component a1ρπ Lagrangian. The result is compatible with the recent analysis based on the electron-positron annihilation into four pions.

Related Topics
Physical Sciences and Engineering Physics and Astronomy Nuclear and High Energy Physics