On the width of the Delta(1232) in N Delta and Delta Delta states

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Niskanen , J A 2019 , On the width of the Delta(1232) in N Delta and Delta Delta states . in A Wronska , A Magiera & W Przygoda (eds) , MESON 2018 - 15TH INTERNATIONAL WORKSHOP ON MESON PHYSICS . , UNSP 02019 , EPJ Web of Conferences , vol. 199 , EDP sciences , 15th International Workshop on Meson Physics (MESON) , Krakow , Poland , 07/06/2018 . https://doi.org/10.1051/epjconf/201919902019

Title: On the width of the Delta(1232) in N Delta and Delta Delta states
Author: Niskanen, Jouni A.
Other contributor: University of Helsinki, Helsinki Institute of Physics
Wronska, A
Magiera, A
Przygoda, W
Publisher: EDP sciences
Date: 2019
Language: eng
Number of pages: 4
Belongs to series: MESON 2018 - 15TH INTERNATIONAL WORKSHOP ON MESON PHYSICS
Belongs to series: EPJ Web of Conferences
DOI: https://doi.org/10.1051/epjconf/201919902019
URI: http://hdl.handle.net/10138/306597
Abstract: Due to the finite kinetic energy in the intermediate N Delta state the (internal) energy available for mesonic decay is decreased and consequently the effective N Delta width is suppressed in NN scattering. The same can happen also in Delta Delta case. Also the N Delta angular momentum suppresses the width as well, while the effect of the initial NN angular momentum is more subtle. The state dependence affects e.g. pion production observables and can also be seen as the origin of T = 1 "dibaryons".
Subject: 114 Physical sciences
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