Trace of $��(1405)$ resonance in low energy $K^{-}+\, ^{3}\mathrm{He}\rightarrow (��^{0}��^{0})+d$ reaction
| Autor: | Esmaili, J., Marri, S., Raeisi, M., Beni, A. Naderi |
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| Rok vydání: | 2021 |
| Předmět: | |
| DOI: | 10.48550/arxiv.2102.01677 |
| Popis: | In present work, we investigated $K^{-}+\, ^{3}\mathrm{He}$ reaction at low energies. The coupled-channel Faddeev AGS equations were solved for $\bar{K}Nd-����{d}$ three-body system in momentum representation to extract the scattering amplitudes. To trace the signature of the $��$(1405) resonance in the $����$ invariant mass, the deuteron energy spectrum for $K^{-}+\,^{3}\mathrm{He}\rightarrow����{d}$ reaction was obtained. Different types of $\bar{K}N-����$ potentials based on phenomenological and chiral SU(3) approaches were used. As a remarkable result of this investigation, it was found that the deuteron energy spectrum, reflecting the $��$(1405) mass distribution and width, depends quite sensitively on the $\bar{K}N-����$ model of interaction. Hence accurate measurements of the $����$ mass distribution have the potential to discriminate between possible mechanisms at work in the formation of the $��$(1405). 9 pages, 5 figures |
| Databáze: | OpenAIRE |
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