Matches in SemOpenAlex for { <https://semopenalex.org/work/W2296980471> ?p ?o ?g. }
- W2296980471 abstract "We calculate the total and the differential cross section for $np$ scattering at low energies in the isospin $I=1$ channel within the so-called extended Linear Sigma Model. This model contains conventional (pseudo)scalar and (axial--)vector mesons, as well as the nucleon and its chiral partner within the mirror assignment. In order to obtain good agreement with experimental data analysis results we need to consider two additional resonances: the lightest scalar state $f_{0}(500)$ and a dibaryon state with quantum numbers $I=1,$ $J^{P}=0^{+}$ (also known as $^{1}S_{0}$ resonance). The resonance $f_{0}(500)$ is coupled to nucleons in a chirally invariant way through the mirror assignment and is crucial for a qualitatively correct description of the shape of the differential cross section. On the other hand, the dibaryon is exchanged in the $s$--channel and is responsible of the large cross section close to threshold. We compare our results to data analysis results performed by the SAID program of the CNS Data Analysis Center (in the following SAID results)." @default.
- W2296980471 created "2016-06-24" @default.
- W2296980471 creator A5027705818 @default.
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- W2296980471 creator A5042555010 @default.
- W2296980471 creator A5053741497 @default.
- W2296980471 date "2016-10-31" @default.
- W2296980471 modified "2023-09-24" @default.
- W2296980471 title "Role of scalar dibaryon andf0(500)in the isovector channel of low-energy neutron-proton scattering" @default.
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- W2296980471 doi "https://doi.org/10.1103/physrevc.94.044001" @default.
- W2296980471 hasPublicationYear "2016" @default.
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