Bruns, Peter and Mai, Maxim and Meißner, Ulf-G. (2011) Chiral dynamics of the S11(1535) and S11(1650) resonances revisited. Conference Proceedings.
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We analyze s-wave pion-nucleon scattering in a unitarized chiral effective Lagrangian including all dimension two contact terms. We find that both the S11(1535) and the S11(1650) are dynamically generated, but the S31(1620) is not. We further discuss the structure of these dynamically generated resonances.
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|Date:||29 July 2011|
|Institutions:||Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer|
|Dewey Decimal Classification:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited on:||23 Oct 2012 06:33|
|Last modified:||05 Nov 2014 14:44|