Eur. Phys. J. A (2004) 19: 99-104
https://doi.org/10.1140/epjad/s2004-03-017-9

Hadronic resonances

A microscopic NN → NN ^⋆(1440) potential

¹ Department of Physical Sciences, University of Helsinki and Helsinki Institute of Physics, P.O. Box 64, 00014 Helsinki, Finland
² Universidad de Salamanca, E-37008 Salamanca, Spain
³ Dpto. de Física Teórica and IFIC, Universidad de Valencia - CSIC, E-46100 Burjassot, Valencia, Spain

Received: 1 July 2003
Published online: 12 February 2004

Abstract

By means of a NN → NN ^*(1440) transition potential derived in a parameter-free way from a quark-model based NN potential, we determine simultaneously the π NN ^*(1440) and σ NN ^*(1440) coupling constants. We also present a study of the target Roper excitation diagram contributing to the p(d,d′) reaction.