Abramowicz, H. et al. (2012) Angular correlations in three-jet events in ep collisions at HERA. Physical Review D, 85(5), (doi: 10.1103/PhysRevD.85.052008)
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Publisher's URL: http://dx.doi.org/10.1103/PhysRevD.85.052008
Abstract
Three-jet production in deep inelastic ep scattering and photoproduction was investigated with the ZEUS detector at HERA using an integrated luminosity of up to 127 pb<sup>-1</sup>. Measurements of differential cross sections are presented as functions of angular correlations between the three jets in the final state and the proton-beam direction. These correlations provide a stringent test of perturbative QCD and show sensitivity to the contributions from different color configurations. Fixed-order perturbative calculations assuming the values of the color factors C<sub>F</sub>, C<sub>A</sub>, and T<sub>F</sub> as derived from a variety of gauge groups were compared to the measurements to study the underlying gauge group symmetry. The measured angular correlations in the deep inelastic ep scattering and photoproduction regimes are consistent with the admixture of color configurations as predicted by SU(3) and disfavour other symmetry groups, such as SU(N) in the limit of large N.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Ferrando, Dr James and Doyle, Professor Anthony and Saxon, Professor David and Forrest, Mr Matthew and Bussey, Dr Peter and Skillicorn, Professor Ian |
| Authors: | Abramowicz, H., Abt, I., Adamczyk, L., Adamus, M., Aggarwal, R., Antonelli, S., Antonioli, P., Antonov, A., Arneodo, M., Aushev, V., Aushev, Y., Bachynska, O., Bamberger, A., Barakbaev, A., Barbagli, G., Bari, G., Barreiro, F., Bartosik, N., Bartsch, D., Basile, M., Behnke, O., Behr, J., Behrens, U., Bellagamba, L., Bertolin, A., Bhadra, S., Bindi, M., Blohm, C., Bokhonov, V., Bołd, T., Bondarenko, K., Boos, E., Borras, K., Boscherini, D., Bot, D., Brock, I., Brownson, E., Brugnera, R., Brümmer, N., Bruni, A., Bruni, G., Brzozowska, B., Bussey, P., Bylsma, B., Caldwell, A., Capua, M., Carlin, R., Catterall, C., Chekanov, S., Chwastowski, J., Ciborowski, J., Ciesielski, R., Cifarelli, L., Cindolo, F., Contin, A., Cooper-Sarkar, A., Coppola, N., Corradi, M., Corriveau, F., Costa, M., D’Agostini, G., Corso, F., del Peso, J., Dementiev, R., De Pasquale, S., Derrick, M., Devenish, R., Dobur, D., Dolgoshein, B., Dolinska, G., Doyle, A., Drugakov, V., Durkin, L., Dusini, S., Eisenberg, Y., Ermolov, P., Eskreys, A., Fang, S., Fazio, S., Ferrando, J., Ferrero, M., Figiel, J., Forrest, M., Foster, B., Gach, G., Galas, A., Gallo, E., Garfagnini, A., Geiser, A., Gialas, I., Gladilin, L., Gladkov, D., Glasman, C., Gogota, O., Golubkov, Y., Göttlicher, P., Grabowska-Bołd, I., Grebenyuk, J., Gregor, I., Grigorescu, G., Grzelak, G., Gueta, O., Guzik, M., Gwenlan, C., Haas, T., Hain, W., Hamatsu, R., Hart, J., Hartmann, H., Hartner, G., Hilger, E., Hochman, D., Hori, R., Horton, K., Hüttmann, A., Ibrahim, Z., Iga, Y., Ingbir, R., Ishitsuka, M., Jakob, H.-P., Januschek, F., Jimenez, M., Jones, T., Jüngst, M., Kadenko, I., Kahle, B., Kananov, S., Kanno, T., Karshon, U., Karstens, F., Katkov, I., Kaur, M., Kaur, P., Keramidas, A., Khein, L., Kim, J., Kisielewska, D., Kitamura, S., Klanner, R., Klein, U., Koffeman, E., Kooijman, P., Korol, I., Korzhavina, I., Kotański, A., Kötz, U., Kowalski, H., Kuprash, O., Kuze, M., Lee, A., Levchenko, B., Levy, A., Libov, V., Limentani, S., Ling, T., Lisovyi, M., Lobodzinska, E., Lohmann, W., Löhr, B., Lohrmann, E., Long, K., Longhin, A., Lontkovskyi, D., Lukina, O., Maeda, J., Magill, S., Makarenko, I., Malka, J., Mankel, R., Margotti, A., Marini, G., Martin, J., Mastroberardino, A., Mattingly, M., Melzer-Pellmann, I.-A., Mergelmeyer, S., Miglioranzi, S., Mohamad Idris, F., Monaco, V., Montanari, A., Morris, J., Mujkic, K., Musgrave, B., Nagano, K., Namsoo, T., Nania, R., Nigro, A., Ning, Y., Nobe, T., Noor, U., Notz, D., Nowak, R., Nuncio-Quiroz, A., Oh, B., Okazaki, N., Oliver, K., Olkiewicz, K., Onishchuk, Y., Papageorgiu, K., Parenti, A., Paul, E., Pawlak, J., Pawlik, B., Pelfer, P., Pellegrino, A., Perlański, W., Perrey, H., Piotrzkowski, K., Pluciński, P., Pokrovskiy, N., Polini, A., Proskuryakov, A., Przybycień, M., Raval, A., Reeder, D., Reisert, B., Ren, Z., Repond, J., Ri, Y., Robertson, A., Roloff, P., Rubinsky, I., Ruspa, M., Sacchi, R., Salii, A., Samson, U., Sartorelli, G., Savin, A., Saxon, D., Schioppa, M., Schlenstedt, S., Schleper, P., Schmidke, W., Schneekloth, U., Schönberg, V., Schörner-Sadenius, T., Schwartz, J., Sciulli, F., Shcheglova, L., Shehzadi, R., Shimizu, S., Singh, I., Skillicorn, I., Słomiński, W., Smith, W., Sola, V., Solano, A., Son, D., Sosnovtsev, V., Spiridonov, A., Stadie, H., Stanco, L., Stern, A., Stewart, T., Stifutkin, A., Stopa, P., Suchkov, S., Susinno, G., Suszycki, L., Sztuk-Dambietz, J., Szuba, D., Szuba, J., Tapper, A., Tassi, E., Terrón, J., Theedt, T., Tiecke, H., Tokushuku, K., Tomalak, O., Tomaszewska, J., Tsurugai, T., Turcato, M., Tymieniecka, T., Vázquez, M., Verbytskyi, A., Viazlo, O., Vlasov, N., Volynets, O., Walczak, R., Wan Abdullah, W., Whitmore, J., Wiggers, L., Wing, M., Wlasenko, M., Wolf, G., Wolfe, H., Wrona, K., Yagües-Molina, A., Yamada, S., Yamazaki, Y., Yoshida, R., Youngman, C., Żarnecki, A., Zawiejski, L., Zenaiev, O., Zeuner, W., Zhautykov, B., Zhmak, N., Zhou, C., Zichichi, A., Zolkapli, Z., Zolko, M., and Zotkin, D. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Physical Review D |
| Publisher: | American Physical Society |
| ISSN: | 1550-7998 |
| ISSN (Online): | 1089-4918 |
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