Spin parity studies of the eta pi decay of the A2 meson and investigation of the A2 production mechanism in the reaction pi-minus proton goes to A2-minus proton
type: CreativeWork
description: The results of a spin parity analysis of the nv-decay mode of the A-meson produced in the reaction A2-p -A2-pare presented. Data for the analysis are drawn from bubble chamber experiments between 3.9 and 16 GeV/c. The analysis favors JP=Z+ for both the upper and lower regions of the AZ' Possible evidence for a weakly produced JP=l daughter state is also presented. The evidence comes largely from an interference effect observed in the lower AZ region. Using the A-nv-data along with data on the decay channel A2- -> p0pi -at 5.0,7.5 and l1.Z GeV/c, the production mechanism of A2 the A-in the reaction A2-p -A2-P is investigated. Assuming that this reaction is dominated by a t channel exchange mechanism the isospin and J parity of the exchange are investigated. The sand t cross section dependence of the data are compared with a simple Regge model.
abstract: The results of a spin parity analysis of the nv-decay mode of the A-meson produced in the reaction A2-p -A2-pare presented. Data for the analysis are drawn from bubble chamber experiments between 3.9 and 16 GeV/c. The analysis favors JP=Z+ for both the upper and lower regions of the AZ' Possible evidence for a weakly produced JP=l daughter state is also presented. The evidence comes largely from an interference effect observed in the lower AZ region. Using the A-nv-data along with data on the decay channel A2- -> p0pi -at 5.0,7.5 and l1.Z GeV/c, the production mechanism of A2 the A-in the reaction A2-p -A2-P is investigated. Assuming that this reaction is dominated by a t channel exchange mechanism the isospin and J parity of the exchange are investigated. The sand t cross section dependence of the data are compared with a simple Regge model.
author: Lacy, Jeffrey Linn
language: en
keywords: spin parity, Eta (η) pi decay, A2 meson, A2 production, meson production
date published: 2011-07-28T16:40:49Z
date modified: 2026-07-22T22:25:26Z
provider: University of Illinois - Urbana-Champaign
publisher: Networked Digital Library of Theses and Dissertations
type: WebPage
source organization: University of Illinois - Urbana-Champaign

PropertyValue
property ID: Handle
value: http://hdl.handle.net/2142/25868