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Chiral dynamics of the S11(1535) and S11(1650) resonances revisited

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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Item Type:Article
Date:29 July 2011
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer
Identification Number:
10.1063/1.3700538 UNSPECIFIED
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
Item ID:26499
Owner Only: item control page


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