Small size pentaquark in QCD sum rule approach
| dc.creator | Oganesian, A. G. | |
| dc.date | 2005-10-25 | |
| dc.date | 2005-10-26 | |
| dc.date.accessioned | 2026-07-07T06:46:47Z | |
| dc.date.available | 2026-07-07T06:46:47Z | |
| dc.description | The analysis of the sum rules (for two differentchoices of 5-quark currents) indicate that to explain experimental results it is necessary to have some one-particle lower state (and pentaquark is a reliable candidate to this state) while the two-particle coupled lower state ($NK$ system) should be excluded. Obtained sum rules have good stability and correspond to pentaquark mass $m_θ$=1.54 $GeV$ at the appropriate choice of continuum threshold. Also the features of the sum rules for 2-point correlator with 5-quark currents are studied. This features should be taken into account to obtain sum rules correctly. | |
| dc.description | 14 pages, 3fig, misprintrs are corrected,notation in fig 2,3 are corrected | |
| dc.identifier | https://arxiv.org/abs/hep-ph/0510327 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/0510327 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/103448 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Small size pentaquark in QCD sum rule approach | |
| dc.type | text |