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dc.contributor.author | Martínez Torres, Alberto | - |
dc.contributor.author | Oset, Eulogi | - |
dc.date.accessioned | 2010-09-15T09:21:00Z | - |
dc.date.available | 2010-09-15T09:21:00Z | - |
dc.date.issued | 2010-08-26 | - |
dc.identifier.citation | Physical Review Letters 105 (9): 092001 (2010) | en_US |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/10261/27655 | - |
dc.description.abstract | We use a theoretical model of the gamma d --> K+K- np reaction adapted to the experiment done at LEPS where a peak was observed and associated with the Theta(+)(1540) pentaquark. The study shows that the method used in the experiment to assign momenta to the undetected proton and neutron, together with the chosen cuts, necessarily creates an artificial broad peak in the assumed K(+)n invariant mass in the region of the claimed Theta(+)(1540), such that the remaining strength seen for the experimental peak is compatible with a fluctuation of 2 sigma significance. | en_US |
dc.description.sponsorship | This work is partly supported by the DGICYT contract FIS2006-03438, the Generalitat Valenciana in the program Prometeo and the EU Integrated Infrastructure Initiative Hadron Physics Project, n.227431. A. M. T thanks the support from a FPU grant of the MICINN. | en_US |
dc.format.extent | 253052 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | American Physical Society | en_US |
dc.rights | openAccess | en_US |
dc.title | Novel Interpretation of the "Theta(+)(1540) Pentaquark" Peak | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1103/PhysRevLett.105.092001 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1103/PhysRevLett.105.092001 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
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novel interpretation.pdf | 247,12 kB | Adobe PDF | Visualizar/Abrir |
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