This title appears in the Scientific Report :
2013
Please use the identifier:
http://dx.doi.org/10.1016/j.nuclphysa.2013.06.008 in citations.
Please use the identifier: http://hdl.handle.net/2128/13257 in citations.
Hyperon–nucleon interaction at next-to-leading order in chiral effective field theory
Hyperon–nucleon interaction at next-to-leading order in chiral effective field theory
Results for the Lambda N and Sigma N interactions obtained at next-to-leading order in chiral effective field theory are reported. At the order considered there are contributions from one- and two-pseudoscalar-meson exchange diagrams and from four-baryon contact terms without and with two derivative...
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Personal Name(s): | Haidenbauer, J. (Corresponding author) |
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Petschauer, S. / Kaiser, N. / Meißner, U. -G. / Nogga, A. / Weise, W. | |
Contributing Institute: |
Theorie der Starken Wechselwirkung; IAS-4 Theorie der starken Wechselwirkung; IKP-3 |
Published in: |
Nuclear physics |
Imprint: |
Amsterdam
North-Holland Publ. Co.
2013
|
DOI: |
10.1016/j.nuclphysa.2013.06.008 |
Document Type: |
Journal Article |
Research Program: |
Hadron Structure and Dynamics (HSD) |
Subject (ZB): | |
Link: |
OpenAccess OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://hdl.handle.net/2128/13257 in citations.
Results for the Lambda N and Sigma N interactions obtained at next-to-leading order in chiral effective field theory are reported. At the order considered there are contributions from one- and two-pseudoscalar-meson exchange diagrams and from four-baryon contact terms without and with two derivatives. SU(3) flavor symmetry is imposed for constructing the hyperon-nucleon interaction while the explicit SU(3) symmetry breaking by the physical masses of the pseudoscalar mesons (pi, K, eta) is taken into account. An excellent description of the hyperon-nucleon system can be achieved at next-to-leading order. It is on the same level of quality as the one obtained by the most advanced phenomenological hyperon-nucleon interaction models. |