Higher Partial Waves in p+p->p+p+eta near Threshold

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dc.creatorCalen, H.
dc.creatorDyring, J.
dc.creatorFaldt, G.
dc.creatorFransson, K.
dc.creatorGustafsson, L.
dc.creatorHaggstrom, S.
dc.creatorHoistad, B.
dc.creatorJohanson, J.
dc.creatorJohansson, A.
dc.creatorJohansson, T.
dc.creatorKullander, S.
dc.creatorMortsell, A.
dc.creatorRuber, R.
dc.creatorZlomanczuk, J.
dc.creatorEkstrom, C.
dc.creatorKilian, K.
dc.creatorOelert, W.
dc.creatorSefzick, T.
dc.creatorBilger, R.
dc.creatorBrodowski, W.
dc.creatorClement, H.
dc.creatorWagner, G. J.
dc.creatorBondar, A.
dc.creatorKuzmin, A.
dc.creatorShwartz, B.
dc.creatorSidorov, V.
dc.creatorSukhanov, A.
dc.creatorDunin, V.
dc.creatorMorosov, B.
dc.creatorPovtorejko, A.
dc.creatorSukhanov, A.
dc.creatorZernov, A.
dc.creatorKupsc, A.
dc.creatorMarciniewski, P.
dc.creatorStepaniak, J.
dc.creatorZabierowski, J.
dc.creatorTurowiecki, A.
dc.creatorWilhelmi, Z.
dc.creatorWilkin, C.
dc.date1998-11-05
dc.date1999-05-27
dc.date.accessioned2026-07-07T12:04:07Z
dc.date.available2026-07-07T12:04:07Z
dc.descriptionExclusive measurements of the production of eta mesons in the p+p->p+p+eta reaction have been carried out at excess energies of 16 and 37 MeV above threshold. The deviations from phase space are dominated by the proton-proton final state interaction and this influences particularly the energy distribution of the eta meson. However, evidence is also presented at the higher energy for the existence of an anisotropy in the angular distributions of the eta meson and also of the final proton-proton pair, probably to be associated with D-waves in this system interfering with the dominant S-wave term. The sign of the eta angular anisotropy suggests that rho-exchange is important for this reaction.
dc.description16 pages, LaTeX2e, 3 EPS Figures, Updated version, Accepted for publication in Phys. Lett. B
dc.identifierhttps://arxiv.org/abs/nucl-ex/9811003
dc.identifierhttp://arxiv.org/abs/nucl-ex/9811003
dc.identifierPhys.Lett.B458:190-196,1999
dc.identifierdoi:10.1016/S0370-2693(99)00613-9
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/208023
dc.subjectNuclear Experiment
dc.titleHigher Partial Waves in p+p->p+p+eta near Threshold
dc.typetext

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