Publication
Baryonic resonances close to the $\bar{K}N$ threshold: the case of $\Lambda$(1405) in $pp$ collisions
| dc.contributor.author | HADES collaboration (104 authors) | |
| dc.contributor.author | Blanco, A. | |
| dc.contributor.author | Fonte, P. | |
| dc.contributor.author | Lopes, L. | |
| dc.contributor.author | Mangiarotti, A. | |
| dc.date.accessioned | 2019-02-03T20:38:33Z | |
| dc.date.available | 2019-02-03T20:38:33Z | |
| dc.date.issued | 2013-02-05 | |
| dc.date.updated | 2019-02-03T20:38:33Z | |
| dc.description.abstract | We present an analysis of the Λ(1405) resonance produced in the reaction p+p→Σ±+π∓+K++p at 3.5GeV kinetic beam energy measured with the High Acceptance Dielectron Spectrometer (HADES) at the Gesellschaft für Schwerionenforschung (GSI). The two charged decay channels Λ(1405)→Σ±π∓ have been reconstructed for the first time in p+p collisions. The efficiency and acceptance-corrected spectral shapes show a peak position clearly below 1400MeV/c2. We find a total production cross section of σΛ(1405)=9.2±0.9±0.7−1.0+3.3μb. The analysis of its polar angle distribution suggests that the Λ(1405) is produced isotropically in the p−p center-of-mass system (CMS). | |
| dc.description.version | Peer Reviewed | |
| dc.identifier | Phys.Rev. C87 (2013) 025201; DOI 10.1103/PhysRevC.87.025201 | |
| dc.identifier.uri | http://dx.doi.org/10.1103/PhysRevC.87.025201 | |
| dc.identifier.uri | http://hdl.handle.net/10400.26/26235 | |
| dc.language.iso | eng | |
| dc.title | Baryonic resonances close to the $\bar{K}N$ threshold: the case of $\Lambda$(1405) in $pp$ collisions | |
| dc.type | journal article | |
| dspace.entity.type | Publication | |
| rcaap.rights | openAccess | pt |
| rcaap.type | article |