Bose-Einstein Correlations of Neutral and Charged Pions in Hadronic Z Decays
L3 Collaboration
TL;DR
This paper measures Bose-Einstein correlations of neutral and charged pions in Z decays, revealing that neutral pion sources are smaller than charged ones, supporting string fragmentation models.
Contribution
It provides the first detailed comparison of Bose-Einstein correlations between neutral and charged pions in Z decays, highlighting differences in source sizes.
Findings
Neutral pion source radius is smaller than charged pion source radius.
Results qualitatively agree with string fragmentation model.
Correlation measurements performed over 300 MeV to 2 GeV Q range.
Abstract
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.
Peer Reviews
No public reviews on file for this paper yet. If you reviewed it on a platform where reviews are public (OpenReview, ICLR, NeurIPS, ICML), you can paste yours below so the community can read it here.
Videos
No videos yet. Explain this paper in a talk, walkthrough, or lecture? Add one.