Articulo
Bose-Einstein correlations of neutral and charged pions in hadronic Z decays
Autor
Dova, María Teresa
L3 Collaboration
Institución
Resumen
Bose–Einstein correlations of both neutral and like-sign charged pion pairs are measured in a sample of 2 million hadronic Z decays collected with the L3 detector at LEP. The analysis is performed in the four-momentum difference range 300 MeV < Q < 2 GeV. The radius of the neutral pion source is found to be smaller than that of charged pions. This result is in qualitative agreement with the string fragmentation model. Facultad de Ciencias Exactas