Photoproduction of omega mesons on nuclei near the production threshold
- Nanova, M.
- Weil, J.
- Friedrich, S.
- Metag, V.
- Mosel, U.
- Thiel, M.
- Anton, G.
- Bacelar, J. C. S.
- Bartholomy, O.
- Bayadilov, D.
- Beloglazov, Y. A.
- Bogendoerfer, R.
- Castelijns, R.
- Crede, V.
- Dutz, H.
- Ehmanns, A.
- Elsner, D.
- Essig, K.
- Ewald, R.
- Fabry, I.
- Fuchs, M.
- Funke, Ch.
- Gothe, R.
- Gregor, R.
- Gridnev, A. B.
- Gutz, E.
- Hoeffgen, S.
- Hoffmeister, P.
- Horn, I.
- Hoessl, J.
- Jaegle, I.
- Junkersfeld, J.
- Kalinowsky, H.
- Klein, Frank
- Klein, Friedrich
- Klempt, E.
- Konrad, M.
- Kopf, B.
- Kotulla, M.
- Krusche, B.
- Langheinrich, J.
- Löhner, H.
- Lopatin, I. V.
- Lotz, J.
- Lugert, S.
- Menze, D.
- Messchendorp, J. G.
- Roy, A.
- Schadmand, S.
- Shende, S.
DOIAbstract
The photoproduction of omega mesons on LH2, C and Nb has been measured for incident photon energies from 900 to 1300 MeV using the CB/TAPS detector at ELSA. The omega lineshape does not show any significant difference between the LH2 and the Nb targets. The experiment was motivated by transport calculations that predicted a sensitivity of the. lineshape to in-medium modifications near the production threshold on a free nucleon of E-gamma(lab) = 1109 MeV. A comparison with recent calculations is given.</p
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