Dynamics of the decay eta->3pi0

2000/02/25 by S. Teige, Teige, S.
Physics and Astronomy · #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #Dark Matter and Cosmic Phenomena

paper · pdf · doi:10.48550/arxiv.hep-ex/0002064

Abstract

The parameter α= -0.005 ± 0.007 (stat) ± 0.004 (syst) describing the density of events within the η→ 3π⁰ Dalitz plot has been measured using data from Brookhaven experiment E852. The result is compared to previous values and theoretical predictions.

Related

• Measurement of the slope parameter αfor the η→ 3π⁰ decay at KLOE
• The Eta decay into three neutral pions is mainly electromagnetic
• Precision measurement of the η→π⁺π^-π⁰ Dalitz plot distribution with the KLOE detector
• Determination of the η→π⁺π^-π⁰ Dalitz Plot slopes and asymmetries with the KLOE detector
• Dispersive analysis of \mathbfη→ 3 π