First observation of in-medium effects on phase space distributions of antikaons measured in proton-nucleus collisions

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dc.creatorScheinast, W.
dc.creatorBoettcher, I.
dc.creatorDebowski, M.
dc.creatorDohrmann, F.
dc.creatorFoerster, A.
dc.creatorGrosse, E.
dc.creatorKoczon, P.
dc.creatorKohlmeyer, B.
dc.creatorLaue, F.
dc.creatorMenzel, M.
dc.creatorNaumann, L.
dc.creatorSchwab, E.
dc.creatorSenger, P.
dc.creatorShin, Y.
dc.creatorStroebele, H.
dc.creatorSturm, C.
dc.creatorSurowka, G.
dc.creatorUhlig, F.
dc.creatorWagner, A.
dc.creatorWalus, W.
dc.creatorKampfer, B.
dc.creatorBarz, H. W.
dc.date2005-12-20
dc.date2006-01-04
dc.date.accessioned2026-07-07T11:59:56Z
dc.date.available2026-07-07T11:59:56Z
dc.descriptionDifferential production cross sections of $K^{\pm}$ mesons have been measured in $p$ + C and $p$ + Au collisions at 1.6, 2.5 and 3.5 GeV proton beam energy. At beam energies close to the production threshold, the $K^-$ multiplicity is strongly enhanced with respect to proton-proton collisions. According to microscopic transport calculations, this enhancement is caused by two effects: the strangeness exchange reaction $NY \to K^- NN$ and an attractive in-medium $K^-N$ potential at saturation density.
dc.descriptionAccepted for publication in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/nucl-ex/0512028
dc.identifierhttp://arxiv.org/abs/nucl-ex/0512028
dc.identifierPhys.Rev.Lett.96:072301,2006
dc.identifierdoi:10.1103/PhysRevLett.96.072301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206744
dc.subjectNuclear Experiment
dc.titleFirst observation of in-medium effects on phase space distributions of antikaons measured in proton-nucleus collisions
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