High-mass dijet cross sections in photoproduction at HERA

Chekanov, S. et al. (2002) High-mass dijet cross sections in photoproduction at HERA. Physics Letters B, 531(1-2), 9 -27. (doi: 10.1016/S0370-2693(02)01327-8)

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Abstract

Dijet differential cross sections for the reaction e/sup +/p to e/sup +/+jet+jet+X in the photoproduction regime have been measured with the ZEUS detector at HERA using an integrated luminosity of 42.7 pb/sup -1/. The cross sections are given for photon-proton centre-of-mass energies in the range 134 lt W lt 277 GeV. The differential cross sections as a function of the dijet mass, M/sup jj/, and of the dijet angular variables have been measured for 47 lt M/sup jj/ lt 160 GeV and compared to next-to-leading-order QCD calculations. The dijet events in the region 75 lt M/sup jj/ lt 100 GeV have been used to derive a 95% C.L. upper limit on the cross section for Z/sup 0/ photoproduction of sigma /sub e(+)p to e(+)Z(0)/X lt 5.9 ph. Upper limits on the photoproduction of new heavy resonances decaying into two jets are also presented for masses in the range between 60 GeV and 155 GeV.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Skillicorn, Professor Ian and Collins-Tooth, Dr Christopher and Doyle, Professor Anthony and Saxon, Professor David and Bussey, Dr Peter
Authors: Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., Repond, J., Yoshida, R., Mattingly, M.C.K., Antonioli, P., Bari, G., Basile, M., Bellagamba, L., Boscherini, D., Bruni, A., Bruni, G., Cara Romeo, G., Cifarelli, L., Cindolo, F., Contin, A., Corradi, M., de Pasquale, S., Giusti, P., Iacobucci, G., Levi, G., Margotti, A., Massam, T., Nania, R., Palmonari, F., Pesci, A., Sartorelli, G., Zichichi, A., Aghuzumtsyan, G., Bartsch, D., Brock, I., Crittenden, J., Goers, S., Hartmann, H., Hilger, E., Irrgang, P., Jakob, H.P., Kappes, A., Katz, U.F., Kerger, R., Kind, O., Paul, E., Rautenberg, J., Renner, R., Schnurbusch, H., Stifutkin, A., Tandler, J., Voss, K.C., Weber, A., Wessoleck, H., Bailey, D.S., Brook, N.H., Cole, J.E., Foster, B., Heath, G.P., Heath, H.F., Robins, S., Rodrigues, E., Scott, J., Tapper, R.J., Wing, M., Capua, M., Mastroberardino, A., Schioppa, M., Susinno, G., Jeoung, H., Kim, J.Y., Lee, J.H., Lim, I.T., Ma, K.J., Pac, M.Y., Caldwell, A., Helbich, M., Liu, X., Mellado, B., Paganis, S., Schmidke, W.B., Sciulli, F., Chwastowski, J., Eskreys, A., Figiel, J., Olkiewicz, K., Przybycien, M.B., Stopa, P., Zawiejski, L., Bednarek, B., Grabowska-Bold, I., Jelen, K., Kisielewska, D., Kowal, A.M., Kowal, M., Kowalski, T., Mindur, B., Przybycien, M., Rulikowska-Zarebska, E., Suszycki, L., Szuba, D., Szuba, J., Kotanski, A., Slominski, W., Bauerdick, L.A.T., Behrens, U., Borras, K., Chiochia, V., Dannheim, D., Desler, K., Drews, G., Fourletova, J., Fox-Murphy, A., Fricke, U., Geiser, A., Goebel, F., Gottlicher, P., Graciani, R., Haas, T., Hain, W., Hartner, G.F., Hillert, S., Kotz, U., Kowalski, H., Labes, H., Lelas, D., Lohr, B., Mankel, R., Martens, J., Martinez, M., Moritz, M., Notz, D., Petrucci, M.C., Polini, A., Schneekloth, U., Selonke, F., Stonjek, S., Surrow, B., Whitmore, J.J., Wichmann, R., Wolf, G., Youngman, C., Zeuner, W., Coldewey, C., Lopez-Duran Viani, A., Meyer, A., Schlenstedt, S., Barbagli, G., Gallo, E., Genta, C., Pelfer, P.G., Bamberger, A., Benen, A., Coppola, N., Markun, P., Raach, H., Wolfle, S., Bell, M., Bussey, P.J., Doyle, A.T., Glasman, C., Hanlon, S., Lee, S.W., Lupi, A., McCance, G.J., Saxon, D.H., Skillicorn, I.O., Bodmann, B., Holm, U., Salehi, H., Wick, K., Ziegler, A., Ziegler, A., Carli, T., Gialas, I., Klimek, K., Lohrmann, E., Milite, M., Collins-Tooth, C., Foudas, C., Goncalo, R., Long, K.R., Metlica, F., Miller, D.B., Tapper, A.D., Walker, R., Cloth, P., Filges, D., Kuze, M., Nagano, K., Tokushuku, K., Yamada, S., Yamazaki, Y., Barakbaev, A.N., Boos, E.G., Pokrovskiy, N.S., Zhautykov, B.O., Ahn, S.H., Lee, S.B., Park, S.K., Lim, H., Son, D., Barreiro, F., Garcia, G., Gonzalez, O., Labarga, L., del Peso, J., Redondo, I., Terron, J., Vazquez, M., Barbi, M., Bertolin, A., Corriveau, F., Ochs, A., Padhi, S., Stairs, D.G., St Laurent, M., Tsurugai, T., Antonov, A., Bashkirov, V., Danilov, P., Dolgoshein, B.A., Gladkov, D., Sosnovtsev, V., Suchkov, S., Dementiev, R.K., Ermolov, P.F., Golubkov, Y., Katkov, I.I., Khein, L.A., Korotkova, N.A., Korzhavina, I.A., Kuzmin, V.A., Levchenko, B.B., Lukina, O.Y., Proskuryakov, A.S., Shcheglova, L.M., Solomin, A.N., Vlasov, N.N., Zotkin, S.A., Bokel, C., Engelen, J., Grijpink, S., Koffeman, E., Kooijman, P., Maddox, E., Schagen, S., Tassi, E., Tiecke, H., Tuning, N., Velthuis, J.J., Wiggers, L., de Wolf, E., Brummer, N., and Bylsma, B.
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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