NDLI: DN interaction from meson exchange

Content Provider	Springer Nature Link
Author	Haidenbauer, J. Krein, G. Meißner, U. G. Tolos, L.
Copyright Year	2011
Abstract	A model of the DN interaction is presented which is developed in close analogy to the meson-exchange $ \bar{{K}}$ N potential of the Jülich group utilizing SU(4) symmetry constraints. The main ingredients of the interaction are provided by vector meson ( $ \rho$ , $ \omega$ exchange and higher-order box diagrams involving D * N , D $ \Delta$ , and D * $ \Delta$ intermediate states. The coupling of DN to the $ \pi$ $ \Lambda_{c}^{}$ and $ \pi$ $ \Sigma_{c}^{}$ channels is taken into account. The interaction model generates the $ \Lambda_{c}^{}$ (2595) -resonance dynamically as a DN quasi-bound state. Results for DN total and differential cross sections are presented and compared with predictions of two interaction models that are based on the leading-order Weinberg-Tomozawa term. Some features of the $ \Lambda_{c}^{}$ (2595) -resonance are discussed and the role of the near-by $ \pi$ $ \Sigma_{c}^{}$ threshold is emphasized. Selected predictions of the orginal $ \bar{{K}}$ N model are reported too. Specifically, it is pointed out that the model generates two poles in the partial wave corresponding to the $ \Lambda$ (1405) -resonance.
Starting Page	1
Ending Page	16
Page Count	16
File Format	PDF
ISSN	14346001
Journal	The European Physical Journal A - Hadrons and Nuclei
Volume Number	47
Issue Number	2
e-ISSN	1434601X
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-02-03
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nuclear Fusion Particle and Nuclear Physics Nuclear Physics, Heavy Ions, Hadrons
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics

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