000050042 001__ 50042 000050042 005__ 20200423204305.0 000050042 017__ $$aThis version is available at the following Publisher URL: http://prl.aps.org 000050042 0247_ $$2DOI$$a10.1103/PhysRevLett.94.192303 000050042 0247_ $$2WOS$$aWOS:000229277000013 000050042 0247_ $$2arXiv$$aarXiv:nucl-ex/0504010$$cnucl-ex 000050042 0247_ $$2arXiv$$aarXiv:oai:arXiv.org:nucl-ex/0504010 000050042 0247_ $$2Handle$$a2128/1658 000050042 035__ $$9arXiv$$anucl-ex/0504010$$cnucl-ex 000050042 035__ $$9arXiv$$aoai:arXiv.org:nucl-ex/0504010$$zoai:arXiv.org:nucl-ex/0504010 000050042 035__ $$9DESY$$zD05-08301 000050042 035__ $$9SPIRESTeX$$zTrnka:2005ey 000050042 037__ $$aPreJuSER-50042 000050042 041__ $$aeng 000050042 082__ $$a550 000050042 084__ $$2WoS$$aPhysics, Multidisciplinary 000050042 084__ $$2PACS$$a13.60.Le 000050042 084__ $$2PACS$$a14.40.-n 000050042 084__ $$2PACS$$a25.20.-x 000050042 1001_ $$0P:(DE-HGF)0$$aTrnka, D.$$b0 000050042 245__ $$aObservation of In-Medium Modifications of the Omega Meson 000050042 260__ $$aCollege Park, Md.$$bAPS$$c2005 000050042 300__ $$a192303 000050042 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article 000050042 3367_ $$2DataCite$$aOutput Types/Journal article 000050042 3367_ $$00$$2EndNote$$aJournal Article 000050042 3367_ $$2BibTeX$$aARTICLE 000050042 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000050042 3367_ $$2DRIVER$$aarticle 000050042 440_0 $$04925$$aPhysical Review Letters$$v94$$x0031-9007 000050042 500__ $$aRecord converted from VDB: 12.11.2012 000050042 520__ $$aThe photoproduction of omega mesons on nuclei has been investigated using the Crystal Barrel/TAPS experiment at the ELSA tagged photon facility in Bonn. The aim is to study possible in-medium modifications of the omega meson via the reaction gamma+A ->omega+X ->pi(0)gamma+X-'. Results obtained for Nb are compared to a reference measurement on a LH2 target. While for recoiling, long-lived mesons (pi(0), eta, and eta(')), which decay outside of the nucleus, a difference in the line shape for the two data samples is not observed, we find a significant enhancement towards lower masses for omega mesons produced on the Nb target. For momenta less than 500 MeV/c an in-medium omega meson mass of M-medium=[722(-4)(+4)(stat)(-5)(+35)(syst)] MeV/c(2) has been deduced at an estimated average nuclear density of 0.6 rho(0). 000050042 536__ $$0G:(DE-Juel1)FUEK241$$2G:(DE-HGF)$$aPhysik der Hadronen$$cM01$$x0 000050042 588__ $$aDataset connected to Web of Science 000050042 650_7 $$2INSPIRE$$aphoton nucleus: inclusive reaction 000050042 650_7 $$2INSPIRE$$adeuteron 000050042 650_7 $$2INSPIRE$$aniobium 000050042 650_7 $$2INSPIRE$$aomega(783): photoproduction 000050042 650_7 $$2INSPIRE$$aomega(783): radiative decay 000050042 650_7 $$2INSPIRE$$amass spectrum: (pi0 photon) 000050042 650_7 $$2INSPIRE$$aomega(783): mass 000050042 650_7 $$2INSPIRE$$aomega(783): momentum 000050042 650_7 $$2INSPIRE$$anuclear matter: density 000050042 650_7 $$2INSPIRE$$aexperimental results 000050042 650_7 $$2INSPIRE$$aBonn ELSA Stor 000050042 650_7 $$2INSPIRE$$aphoton nucleus --> omega(783) anything 000050042 650_7 $$2INSPIRE$$aomega(783) --> pi0 photon 000050042 650_7 $$2INSPIRE$$a0.64-2.53 GeV 000050042 7001_ $$0P:(DE-HGF)0$$aAnton, G.$$b1 000050042 7001_ $$0P:(DE-HGF)0$$aBacelar, J. C. S.$$b2 000050042 7001_ $$0P:(DE-HGF)0$$aBartholomy, O.$$b3 000050042 7001_ $$0P:(DE-HGF)0$$aBayadilov, D.$$b4 000050042 7001_ $$0P:(DE-HGF)0$$aBeloglazov, Y. A.$$b5 000050042 7001_ $$0P:(DE-HGF)0$$aBogendoerfer, R.$$b6 000050042 7001_ $$0P:(DE-Juel1)VDB58980$$aCastelijns, R.$$b7$$uFZJ 000050042 7001_ $$0P:(DE-HGF)0$$aCrede, V.$$b8 000050042 7001_ $$0P:(DE-HGF)0$$aDutz, H.$$b9 000050042 7001_ $$0P:(DE-HGF)0$$aEhmanns, A.$$b10 000050042 7001_ $$0P:(DE-HGF)0$$aElsner, M. P.$$b11 000050042 7001_ $$0P:(DE-HGF)0$$aEwald, R.$$b12 000050042 7001_ $$0P:(DE-HGF)0$$aFabry, I.$$b13 000050042 7001_ $$0P:(DE-HGF)0$$aFuchs, M.$$b14 000050042 7001_ $$0P:(DE-HGF)0$$aEssig, K.$$b15 000050042 7001_ $$0P:(DE-HGF)0$$aFunke, R. J.$$b16 000050042 7001_ $$0P:(DE-HGF)0$$aGothe, R.$$b17 000050042 7001_ $$0P:(DE-HGF)0$$aGregor, R.$$b18 000050042 7001_ $$0P:(DE-HGF)0$$aGridnev, A. 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