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Measurement of exclusive omega electroproduction at HERA

Breitweg, J. et al. (2000) Measurement of exclusive omega electroproduction at HERA. Physics Letters B, 487 (3-4). 273 -288. ISSN 0370-2693 (doi:10.1016/S0370-2693(00)00794-2)

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3916b

Abstract

The exclusive electroproduction of omega mesons, ep to e omega p, has been studied in the kinematic range 3 lt Q/sup 2/ lt 20 GeV/sup 2/, 40 lt W lt 120 GeV and |t| lt 0.6 GeV/sup 2/ with the ZEUS detector at HERA using an integrated luminosity of 37.7 pb/sup -1/. The omega mesons were identified via the decay omega to pi /sup +/ pi /sup -/ pi /sup 0/. The exclusive cross section in the above kinematic region is sigma /sub ep to e omega p/=0.108+or-0.014(stat.)+or-0.026(syst.) nb. The reaction ep to e phi p, phi to pi /sup +/ pi /sup -/ pi /sup 0/, has also been measured. The cross sections, as well as the ratios sigma /sub gamma *p to omega p// sigma /sub gamma *p to rho 0p/ and sigma /sub gamma *p to omega p// sigma /sub gamma *p to phi p/, are presented as a function of W and Q/sup 2/. Thus, for the first time, the properties of omega electroproduction can be compared to those of rho /sup 0/, phi and J/ psi electroproduction at high W.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Saxon, Prof David and Bussey, Dr Peter and Doyle, Prof Anthony and Skillicorn, Prof Ian
Authors: Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., Repond, J., Stanek, R., Yoshida, R., Mattingly, M.C.K., Abbiendi, G., Anselmo, F., Antonioli, P., Bari, G., Basile, M., Bellagamba, L., Boscherini, D., Bruni, A., Bruni, G., Cara Romeo, G., Castellini, G., Cifarelli, L., Cindolo, F., Contin, A., Coppola, N., Corradi, M., de Pasquale, S., Giusti, P., Iacobucci, G., Laurenti, G., Levi, G., Margotti, A., Massam, T., Nania, R., Palmonari, F., Pesci, A., Polini, A., Sartorelli, G., Zamora Garcia, Y., Zichichi, A., Amelung, C., Bornheim, A., Brock, I., Coboken, K., Crittenden, J., Deffner, R., Hartmann, H., Heinloth, K., Hilger, E., Irrgang, P., Jakob, H.P., Kappes, A., Katz, U.F., Kerger, R., Paul, E., Rautenberg, J., Schnurbusch, H., Stifutkin, A., Tandler, J., Voss, K.C., Weber, A., Wieber, H., Bailey, D.S., Barret, O., Brook, N.H., Foster, B., Heath, G.P., Heath, H.F., McFall, J.D., Rodrigues, E., Scott, J., Tapper, R.J., Capua, M., Mastroberardino, A., Schioppa, M., Susinno, G., Jeoung, H.Y., Kim, J.Y., Lee, J.H., Lim, I.T., Ma, K.J., Pac, M.Y., Caldwell, A., Liu, W., Liu, X., Mellado, B., Paganis, S., Sampson, S., Schmidke, W.B., Sciulli, F., Chwastowski, J., Eskreys, A., Figiel, J., Klimek, K., Olkiewicz, K., Piotrzkowski, K., Przybycien, M.B., Stopa, P., Zawiejski, L., Bednarek, B., Jelen, K., Kisielewska, D., Kowal, A.M., Kowalski, T., Przybycien, M., Rulikowska-Zarebska, E., Suszycki, L., Szuba, D., Kotanski, A., Bauerdick, L.A.T., Behrens, U., Bienlein, J.K., Borras, K., Dannheim, D., Desler, K., Drews, G., Fox-Murphy, A., Fricke, U., Goebel, F., Goers, S., Gottlicher, P., Graciani, R., Haas, T., Hain, W., Hartner, G.F., Hasell, D., Hebbel, K., Kasemann, M., Koch, W., Kotz, U., Kowalski, H., Lindemann, L., Lohr, B., Mankel, R., Martinez, M., Milite, M., Moritz, M., Notz, D., Pelucchi, F., Petrucci, M.C., Rohde, M., Savin, A.A., Schneekloth, U., Selonke, F., Sievers, M., Stonjek, S., Wolf, G., Wollmer, U., Youngman, C., Zeuner, W., Coldewey, C., Lopez-Duran Viani, A., Meyer, A., Schlenstedt, S., Straub, P.B., Barbagli, G., Gallo, E., Pelfer, P., Maccarrone, G., Votano, L., Bamberger, A., Benen, A., Eisenhardt, S., Markun, P., Raach, H., Wolfle, S., Bussey, P.J., Bell, M., Doyle, A.T., Lee, S.W., Lupi, A., Macdonald, N., McCance, G.J., Saxon, D.H., Sinclair, L.E., Skillicorn, I.O., Waugh, R., Bohnet, I., Gendner, N., Holm, U., Meyer-Larsen, A., Salehi, H., Wick, K., Garfagnini, A., Gialas, I., Gladilin, L.K., Kcira, D., Klanner, R., Lohrmann, E., Poelz, G., Zetsche, F., Goncalo, R., Long, K.R., Miller, D.B., Tapper, A.D., Walker, R., Mallik, U., Cloth, P., Filges, D., Ishii, T., Kuze, M., Nagano, K., Tokushuku, K., Yamada, S., Yamazaki, Y., Ahn, S.H., Lee, S.B., Park, S.K., Lim, H., Park, I.H., Son, D., Barreiro, F., Garcia, G., Glasman, C., Gonzalez, O., Labarga, L., del Peso, J., Redondo, I., Terron, J., Barbi, M., Corriveau, F., Hanna, D.S., Ochs, A., Padhi, S., Stairs, D.G., Wing, M., Tsurugai, T., Antonov, A., Bashkirov, V., Danilov, M., Dolgoshein, B.A., Gladkov, D., Sosnovtsev, V., Suchkov, S., Dementiev, R.K., Ermolov, P.F., Golubkov, Y.A., Katkov, I.I., Khein, L.A., Korotkova, N.A., Korzhavina, I.A., Kuzmin, V.A., Lukina, O.Y., Proskuryakov, A.S., Shcheglova, L.M., Solomin, A.N., Vlasov, N.N., Zotkin, S.A., Bokel, C., Botje, M., Brummer, N., Engelen, J., Grijpink, S., and Koffeman, E.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physics Letters B
Publisher:Elsevier BV
ISSN:0370-2693
ISSN (Online):1873-2445

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