This title appears in the Scientific Report :
2022
Please use the identifier:
http://hdl.handle.net/2128/33272 in citations.
Please use the identifier: http://dx.doi.org/10.1103/PhysRevD.106.094031 in citations.
Reaction $\pi N \to \omega N$ in a dynamical coupled-channel approach
Reaction $\pi N \to \omega N$ in a dynamical coupled-channel approach
A refined investigation on light flavor meson-baryon scatterings is performed using a dynamical coupled-channel approach, the Jülich-Bonn model, that respects unitartiy and analyticity constraints. The channel space of $\pi N$, $\pi \Delta$, $\sigma N$, $\rho N$, $\eta N$, $K \Lambda$ and $K \Sigma$...
Saved in:
Personal Name(s): | Wang, Yu-Fei (Corresponding author) |
---|---|
Rönchen, Deborah / Meißner, Ulf-G. / Lu, Yu / Shen, Chao-Wei / Wu, Jia-Jun | |
Contributing Institute: |
Theorie der starken Wechselwirkung; IKP-3 Theorie der Starken Wechselwirkung; IAS-4 |
Published in: | Physical Review D Physical review / D, 106 106 (2022 2022) 9 9, S. 094031 094031 |
Imprint: |
Melville, NY
Inst.
2022
2022-11-28 2022-11-01 |
DOI: |
10.1103/PhysRevD.106.094031 |
Document Type: |
Journal Article |
Research Program: |
TRR 110: Symmetrien und Strukturbildung in der Quantenchromodynamik Domain-Specific Simulation & Data Life Cycle Labs (SDLs) and Research Groups |
Link: |
OpenAccess Restricted |
Publikationsportal JuSER |
Please use the identifier: http://dx.doi.org/10.1103/PhysRevD.106.094031 in citations.
A refined investigation on light flavor meson-baryon scatterings is performed using a dynamical coupled-channel approach, the Jülich-Bonn model, that respects unitartiy and analyticity constraints. The channel space of $\pi N$, $\pi \Delta$, $\sigma N$, $\rho N$, $\eta N$, $K \Lambda$ and $K \Sigma$ is extended by adding the $\omega N$ final state. The spectra of $N^*$ and $\Delta$ resonances are extracted in terms of complex poles of the scattering amplitudes, based on the result of a global fit to a worldwide collection of data, in the energy region from the $\pi N$ threshold to center-of-mass energy $z=2.3$~GeV. A negative value of the $\omega N$ elastic spin-averaged scattering length is extracted, questioning the existence of bound states of the $\omega$ meson in the nuclear matter. |