FIZIKA B 13 (2004)  2, 347-354

THE p(d,d˘) REACTION AND THE sNN^*(1440) COUPLING CONSTANT

B. JULIÁ-DÍAZ^a, A. VALCARCE^b and F. FERNÁNDEZ^b

^aDepartment of Physical Sciences, University of Helsinki
and Helsinki Institute of Physics, Finland
^bGrupo de Fisica Nuclear, Universidad de Salamanca, E-37008 Salamanca, Spain

Received 29 August 2003;   Accepted 6 September 2004
Online 14 November 2004

We make use of a NN®NN^*(1440) transition potential derived from a quark model in a parameter-free way, to study the Roper excitation diagram contributing to the reaction p(d,d^˘). We also determine the pNN^*(1440) and sNN^*(1440) coupling constants.

PACS numbers: 12.39.Jh, 13.75.Cs
UDC 539.12

Keywords: Roper excitation diagram, pNN^*(1440) and sNN^*(1440) coupling constants

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