A Search for Sigma^0_5, N^0_5 and Theta^++ Pentaquark States

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dc.creatorQiang, Y.
dc.creatorAnnand, J.
dc.creatorArrington, J.
dc.creatorAzimov, Ya. I.
dc.creatorBertozzi, W.
dc.creatorCates, G.
dc.creatorChen, J. P.
dc.creatorChoi, Seonho
dc.creatorChudakov, E.
dc.creatorCusanno, F.
dc.creatorde Jager, C. W.
dc.creatorEpstein, M.
dc.creatorFeuerbach, R. J.
dc.creatorGaribaldi, F.
dc.creatorGayou, O.
dc.creatorGilman, R.
dc.creatorGomez, J.
dc.creatorHamilton, D. J.
dc.creatorHansen, J. -O.
dc.creatorHiginbotham, D. W.
dc.creatorHolmstrom, T.
dc.creatorIodice, M.
dc.creatorJiang, X.
dc.creatorJones, M.
dc.creatorLeRose, J.
dc.creatorLindgren, R.
dc.creatorLiyanage, N.
dc.creatorMargaziotis, D. J.
dc.creatorMarkowitz, P.
dc.creatorMamyan, V.
dc.creatorMichaels, R.
dc.creatorMeziani, Z. -E.
dc.creatorMonaghan, P.
dc.creatorMunoz-Camacho, C.
dc.creatorNelyubin, V.
dc.creatorPaschke, K.
dc.creatorPiasetzky, E.
dc.creatorRachek, I.
dc.creatorReimer, P. E.
dc.creatorReinhold, J.
dc.creatorReitz, B.
dc.creatorRoche, R.
dc.creatorSaha, A.
dc.creatorSarty, A.
dc.creatorSchulte, E.
dc.creatorShahinyan, A.
dc.creatorSheyor, R.
dc.creatorSingh, J.
dc.creatorStrakovsky, I. I.
dc.creatorSubedi, R.
dc.creatorSuleiman, R.
dc.creatorSulkovsky, V.
dc.creatorWojtsekhowski, B.
dc.creatorZheng, X.
dc.date2006-09-15
dc.date2007-05-02
dc.date.accessioned2026-07-07T11:43:15Z
dc.date.available2026-07-07T11:43:15Z
dc.descriptionA high-resolution (sigma_instr. = 1.5 MeV) search for narrow states (Gamma < 10 MeV) with masses of M_x approx 1500-1850 MeV in ep -> e'K^+ X, e'K^- X and e' pi^+ X electroproduction at small angles and low Q^2 was performed. These states would be candidate partner states of the reported Theta^+(1540) pentaquark. No statistically significant signal was observed in any of the channels at 90% C.L. Upper limits on forward production were determined to be between 0.7% and 4.2% of the Lambda(1520) production cross section, depending on the channel and the assumed mass and width of the state.
dc.description5 pages, 5 figures, to appear in Phys. Rev. C, update with responses to referee suggestions
dc.identifierhttps://arxiv.org/abs/hep-ex/0609025
dc.identifierhttp://arxiv.org/abs/hep-ex/0609025
dc.identifierPhys.Rev.C75:055208,2007
dc.identifierdoi:10.1103/PhysRevC.75.055208
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201171
dc.subjectHigh Energy Physics - Experiment
dc.subjectNuclear Experiment
dc.titleA Search for Sigma^0_5, N^0_5 and Theta^++ Pentaquark States
dc.typetext

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