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FIZIKA B 13 (2004) 1, 217-222
 
THE ROPER RESONANCE REVISITED
MITJA ROSINAa,b and BOJAN GOLLIc,b
aFaculty of Mathematics and Physics, University of Ljubljana,
Ljubljana, Slovenia,
bJozef Stefan Institute, Jamova 39, P.O. Box 3000, 1001 Ljubljana,
Slovenia
E-mail address: Mitja.Rosina@ijs.si
cFaculty of Education, University of Ljubljana, Ljubljana, Slovenia
E-mail address: Bojan.Golli@ijs.si
Received 12 September 2003;
Accepted 26 April 2004
Online 10 October 2004
Different approaches to the Roper resonance are reviewed, revealing the multiple facet
of this state and the need for some crucial experiments.
PACS numbers: 14.20.Gk
UDC 539.12.1
Keywords: Roper resonance, electroexcitation amplitudes, non-relativistic quark model
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