A study of the centrally produced eta pi0 and eta pi- systems in pp interactions at 450 GeV/c
The WA102 Collaboration, D. Barberis, et al
TL;DR
This paper presents a partial wave analysis of eta pi0 and eta pi- systems produced in proton-proton collisions at 450 GeV/c, identifying key resonances and their distribution characteristics.
Contribution
It provides the first detailed partial wave analysis of these systems at this energy, highlighting the observation of specific resonances and their distribution properties.
Findings
Observation of a0(980) in S wave
Observation of a2(1320) in D+ wave
Distribution data for dPT, phi, and |t|
Abstract
A partial wave analysis of the centrally produced eta pi0 and eta pi- channels has been performed in pp collisions using an incident beam momentum of 450 GeV/c. Clear a0(980) and a2(1320) signals have been observed in S and D+ waves respectively. The dPT, phi and |t| distributions of these resonances are presented.
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