Forward transverse energy flow and forward jets at low x

Autor: ZEUS Collaboration M. Derrick, D. Krakauer, S. Magill, D. Mikunas, B. Musgrave, J. R. Okrasin´ ski, J. Repond, R. Stanek, R. L. Ta laga, H. Zhang Argonne National Laboratory, Argonne, IL 60439, USA p. M. C. K. Mattingly Andrews University, Berrien Springs, USA F. Anselmo, P. Antonioli, G. Bari, M. Basile, L. Bellagamba, D. Boscherini, A. Bruni, G. Bruni, P. Bruni, G. Cara Romeo, G. Castellini1, L. Cifarelli2, F. Cindolo, A. Contin, M. Corradi, I. Gialas, P. Giusti, G. Iacobucci, G. Laurenti, G. Levi, A. Margotti, T. Massam, R. Nania, F. Palmonari, A. Pesci, A. Polini, G. Sartorelli, Y. Zamora Garcia3, A. Zichichi University, INFN Bologna, I. 40126 Bologna, Italy f. C. Amelung, A. Bornheim, J. Crittenden, R. Deffner, M. Eckert, L. Feld, A. Frey4, M. Geerts5, M. Grothe, H. Hartmann, K. Heinloth, L. Heinz, E. Hilger, H. P. Jakob, U. F. Katz, S. Mengel6, E. Paul, M. Pfeiffer, C.h. Rembser, D. Schramm7, J. Stamm, R. Wedemeyer Physikalisches Institut der Universita¨t Bonn, D. 53115 Bonn, Germany c. S. Campbell Robson, A. Cassidy, W. N. Cottingham, N. Dyce, B. Foster, S. George, M. E. Hayes, G. P. Heath, H. F. Heath, D. Piccioni, D. G. Roff, R. J. Tapper, R. Yoshida H. H. Wills Physics Laboratory, University of Bristol, Bristol B58 1TL, U. K. o. M. Arneodo8, R. Ayad, M. Capua, A. Garfagnini, L. Iannotti, M. Schioppa, G. Susinno Calabria University, Physics D.e.p.t. and INFN, Cosenza, Italy f. A. Caldwell9, N. Cartiglia, Z. Jing, W. Liu, J. A. Parsons, S. Ritz10, F. Sciulli, P. B. Straub, L. Wai11, S. Yang12, Q. Zhu Columbia University, Nevis Labs, Irvington on Hudson, NY 10533, USA q. P. Borzemski, J. Chwastowski, A. Eskreys, Z. Jakubowski, M. B. Przybycien´, M. Zachara, L. Zawiejski I.n.s.t. of Nuclear Physics, PL 30055 Cracow, Poland j. L. Adamczyk, B. Bednarek, K. Jelen´, D. Kisielewska, T. Kowalski, M. Przybycien´, E. Rulikowska Zare¸bska, L. Suszycki, J. Zaja¸c Faculty of Physics, Nuclear Techniques, Academy of Mining, Metallurgy, Poland j. Z. Dulin´ ski, A. Kotan´ ski Jagellonian Univ, D.e.p.t. of Physics, PL 30059 Cracow, Poland k. G. Abbiendi13, L. A. T. Bauerdick, U. Behrens, H. Beier, J. K. Bienlein, G. Cases, O. Deppe, K. Desler, G. Drews, M. Flasin´ ski14, D. J. Gilkinson, C. Glasman, P. Go¨ ttlicher, J. Große Knetter, T. Haas, W. Hain, D. Hasell, H. Heßling, Y. Iga, K. F. Johnson15, P. Joos, M. Kasemann, R. Klanner, W. Koch, U. Ko¨ tz, H. Kowalski, J. Labs, A. Ladage, B. Lo¨ hr, M. Lo¨ we, D. Lu¨ ke, J. Mainusch16, O. Man´ czak, J. Milewski, T. Monteiro17, J. S. T. Ng, D. Notz, K. Ohrenberg, K. Piotrzkowski, M. Roco, M. Rohde, J. Rolda´n, U. Schneekloth, W. Schulz, F. Selonke, B. Surrow, E. Tassi, T. Voß, D. Westphal, G. Wolf, U. Wollmer, C. Youngman, W. Zeuner Deutsches Elektronen Synchrotron DESY, D. 22603 Hamburg, Germany H. J. Grabosch, A. Meyer, S. Schlenstedt DESY IfH Zeuthen, D. 15738 Zeuthen, Germany G. Barbagli, E. Gallo, P. Pelfer University, INFN, Florence, Italy f. G. Maccarrone, S. De Pasquale, L. Votano INFN, Laboratori Nazionali di Frascati, I. 00044 Frascati, Italy f. A. Bamberger, S. Eisenhardt, T. Trefzger19, S. Wo¨ lfle Fakulta¨t fu¨ r. Physik der Universita¨t Freiburg i. B.r., D. 79104 Freiburg i. B.r., Germany c. J. T. Bromley, N. H. Brook, P. J. Bussey, A. T. Doyle, D. H. Saxon, L. E. Sinclair, E. Strickland, M. L. Utley, R. Waugh, A. S. Wilson D.e.p.t. of Physics, Astronomy, University of Glasgow, Glasgow G12 8QQ, U. K. o. A. Dannemann20, U. Holm, D. Horstmann, R. Sinkus21, K. Wick Hamburg University, I. Institute of E.x.p. Physics, D. 22761 Hamburg, Germany c. B. D. Burow22, L. Hagge16, E. Lohrmann, G. Poelz, W. Schott, F. Zetsche Hamburg University, I.I. Institute of E.x.p. Physics, Germany c. T. C. Bacon, N. Bru¨ mmer, I. Butterworth, V. L. Harris, G. Howell, B. H. Y. Hung, L. Lamberti23, K. R. Long, D. B. Miller, N. Pavel, A. Prinias24, J. K. Sedgbeer, D. Sideris, A. F. Whitfield Imperial College London, High Energy Nuclear Physics Group, London SW7 2BZ, U. K. o. U. Mallik, M. Z. Wang, S. M. Wang, J. T. Wu University of Iowa, Physics, Astronomy Dept, Iowa City, IA 52242, USA p. P. Cloth, D. Filges Forschungszentrum Ju¨ lich, Institut fu¨ r. Kernphysik, D. 52405 Ju¨ lich, Germany S. H. An, G. H. Cho, B. J. Ko, S. B. Lee, S. W. Nam, H. S. Park, S. K. Park Korea University, Seoul 136 701, Korea h. S. Kartik, H. J. Kim, R. R. McNeil, W. Metcalf, V. K. Nadendla Louisiana State University, Baton Rouge, LA 70803 4001, USA p. F. Barreiro, J. P. Fernandez, R. Graciani, J. M. Herna´ndez, L. Herva´s, L. Labarga, M. Martinez, J. del Peso, J. Puga, J. Terron, J. F. de Troco´ niz U.n.i.v.e.r. Auto´ noma Madrid, Depto de F´ısica Teo´ r´ıca, E. 28049 Madrid, Spain n. F. Corriveau, D. S. Hanna, J. Hartmann, L. W. Hung, J. N. Lim, C. G. Matthews25, W. N. Murray, A. Ochs, P. M. Patel, M. Riveline, D. G. Stairs, M. St Laurent, R. Ullmann, G. Zacek25 McGill University, Montre´al, PQ H3A 2T8, Canada a, b. T. Tsurugai Meiji Gakuin University, Faculty of General Education, Yokohama 244, Japan V. Bashkirov, B. A. Dolgoshein, A. Stifutkin Moscow Engineering Physics Institute, RU 115 409 Moscow, Russia l. G. L. Bashindzhagyan26, P. F. Ermolov, L. K. Gladilin, Y.u. A. Golubkov, V. D. Kobrin, I. A. Korzhavina, V. A. Kuzmin, O. Y.u. Lukina, A. S. Proskuryakov, A. A. Savin, L. M. Shcheglova, A. N. Solomin, N. P. Zotov Moscow State University, Institute of Nuclear Physics, RU 119 899 Moscow, Russia m. M. Botje, F. Chlebana, J. Engelen, M. de Kamps, P. Kooijman, A. Kruse, A. van Sighem, H. Tiecke, W. Verkerke, J. Vossebeld, M. Vreeswijk, L. Wiggers, E. de Wolf, R. van Woudenberg27 NIKHEF, University of Amsterdam, NL 1009 DB Amsterdam, Netherlands i. D. Acosta, B. Bylsma, L. S. Durkin, J. Gilmore, C. M. Ginsburg, C. L. Kim, C. Li, T. Y. Ling, P. Nylander, I. H. Park, T. A. Romanowski28 Ohio State University, Physics Department, Columbus, OH 43210 1106, USA p. D. S. Bailey, R. J. Cashmore29, A. M. Cooper Sarkar, R. C. E. Devenish, N. Harnew, M. Lancaster30, L. Lindemann, J. D. McFall, C. Nath, V. A. Noyes24, A. Quadt, J. R. Tickner, H. Uijterwaal, R. Walczak, D. S. Waters, F. F. Wilson, T. Yip Department of Physics, University of Oxford, Oxford, U. K. o. A. Bertolin, R. Brugnera, R. Carlin, F. Dal Corso, M. De Giorgi, U. Dosselli, S. Limentani, M. Morandin, M. Posocco, L. Stanco, R. Stroili, C. Voci, F. Zuin Dipartimento di Fisica dell’ Universita, INFN, I. 35131 Padova, Italy f. J. Bulmahn, R. G. Feild31, B. Y. Oh, J. J. Whitmore Pennsylvania State University, University Park, PA 16802, USA q. G. D’Agostini, G. Marini, A. Nigro Dipartimento di Fisica, U.n.i.v. ’La Sapienza’, I. 00185 Rome, Italy f. J. C. Hart, N. A. McCubbin, T. P. Shah Rutherford Appleton Laboratory, Chilton, Didcot OX11 0QX, U. K. o. E. Barberis, T. Dubbs, C. Heusch, M. Van Hook, W. Lockman, J. T. Rahn, H. F. W. Sadrozinski, A. Seiden, D. C. Williams University of California, Santa Cruz, CA 93106, USA p. J. Biltzinger, R. J. Seifert, O. Schwarzer, A. H. Walenta Fachbereich Physik der Universita¨t Gesamthochschule Siegen, D. 57012 Siegen, Germany c. H. Abramowicz, G. Briskin, S. Dagan32, T. Doeker32, A. Levy26 Raymond, Beverly Sackler Faculty of Exact Sciences, School of Physics, Tel Aviv University, Tel Aviv 69978, Israel e. J. I. Fleck33, M. Inuzuka, T. Ishii, M. Kuze, S. Mine, M. Nakao, I. Suzuki, K. Tokushuku, K. Umemori, S. Yamada, Y. Yamazaki Institute for Nuclear Study, University of Tokyo, Tokyo 113, Japan g. M. Chiba, R. Hamatsu, T. Hirose, K. Homma, S. Kitamura34, T. Matsushita, K. Yamauchi Tokyo Metropolitan University, Tokyo 192 03, Japan g. R. Cirio, M. Costa, M. I. Ferrero, S. Maselli, C. Peroni, R. Sacchi, A. Solano, A. Staiano Universita di Torino, Dipartimento di Fisica Sperimentale, I. 10129 Torino, Italy f. M. Dardo II Faculty of Sciences, Torino University, INFN Alessandria, Italy f. D. C. Bailey, F. Benard, M. Brkic, C. P. Fagerstroem, G. F. Hartner, K. K. Joo, G. M. Levman, J. F. Martin, R. S. Orr, S. Polenz, C. R. Sampson, D. Simmons, R. J. Teuscher University of Toronto, Toronto, ON M5S 1A7, Canada a. J. M. Butterworth, C. D. Catterall, T. W. Jones, P. B. Kaziewicz, J. B. Lane, R. L. Saunders, J. Shulman, M. R. Sutton University College London, London WC1E 6BT, U. K. o. B. Lu, L. W. Mo Virginia Polytechnic Inst, State University, Physics Dept, Blacksburg, VA 24061, USA q. W. Bogusz, J. Ciborowski, J. Gajewski, G. Grzelak35, M. Kasprzak, M. Krzyz˙anowski, K. Muchorowski36, R. J. Nowak, J. M. Pawlak, T. Tymieniecka, A. K. Wro´ blewski, J. A. Zakrzewski, A. F. Z˙ arnecki Warsaw University, Institute of Experimental Physics, PL 00681 Warsaw, Poland j. M. Adamus Institute for Nuclear Studies, Poland j. C. Coldewey, Y. Eisenberg32, D. Hochman, U. Karshon32, D. Revel32, D. Zer Zion Weizmann Institute, Nuclear Physics Dept, Rehovot 76100, Israel d. W. F. Badgett, J. Breitweg, D. Chapin, R. Cross, S. Dasu, C. Foudas, R. J. Loveless, S. Mattingly, D. D. Reeder, S. Silverstein, W. H. Smith, A. Vaiciulis, M. Wodarczyk University of Wisconsin, Madison, WI 53706, USA p. S. Bhadra, M. L. Cardy37, W. R. Frisken, M. Khakzad, W. B. Schmidke York University, North York, Toronto ON M3J 1P3, Canada a., MARI, Stefano Maria
Přispěvatelé: ZEUS Collaboration M., Derrick, D., Krakauer, S., Magill, D., Mikuna, B., Musgrave, J. R., Okrasin´ ski, J., Repond, R., Stanek, R. L., Ta laga, H., Zhang Argonne National Laboratory, Argonne, Il, 60439, USA p. M. C. K., Mattingly Andrews University, Berrien, Spring, Mi, USA F., Anselmo, P., Antonioli, G., Bari, M., Basile, L., Bellagamba, D., Boscherini, A., Bruni, G., Bruni, P., Bruni, G., Cara Romeo, G., Castellini1, L., Cifarelli2, F., Cindolo, A., Contin, M., Corradi, I., Giala, P., Giusti, G., Iacobucci, G., Laurenti, G., Levi, A., Margotti, T., Massam, R., Nania, F., Palmonari, A., Pesci, A., Polini, G., Sartorelli, Y., Zamora Garcia3, A., Zichichi University, Infn, Bologna, I., 40126 Bologna, Italy f. C., Amelung, A., Bornheim, J., Crittenden, R., Deffner, M., Eckert, L., Feld, A., Frey4, M., Geerts5, M., Grothe, H., Hartmann, K., Heinloth, L., Heinz, E., Hilger, H. P., Jakob, U. F., Katz, S., Mengel6, E., Paul, M., Pfeiffer, Rembser, C. h., D., Schramm7, J., Stamm, R., Wedemeyer Physikalisches Institut der Universita¨t Bonn, D., 53115 Bonn, Germany c. S., Campbell Robson, A., Cassidy, W. N., Cottingham, N., Dyce, B., Foster, S., George, M. E., Haye, G. P., Heath, H. F., Heath, D., Piccioni, D. G., Roff, R. J., Tapper, R. Yoshida H. H., Wills Physics Laboratory, University of, Bristol, Bristol B58, 1tl, U. K. o. M., Arneodo8, R., Ayad, M., Capua, A., Garfagnini, L., Iannotti, M., Schioppa, G., Susinno Calabria University, and INFN, Physics D. e. p. t., Cosenza, Italy f. A., Caldwell9, N., Cartiglia, Z., Jing, W., Liu, J. A., Parson, S., Ritz10, F., Sciulli, P. B., Straub, L., Wai11, S., Yang12, Q., Zhu Columbia University, Nevis, Lab, Irvington on, Hudson, Ny, 10533, USA q. P., Borzemski, J., Chwastowski, A., Eskrey, Z., Jakubowski, M. B., Przybycien´, M., Zachara, of Nuclear Physics, L. Zawiejski I. n. s. t., PL 30055, Cracow, Poland j. L., Adamczyk, B., Bednarek, K., Jelen´, D., Kisielewska, T., Kowalski, M., Przybycien´, E., Rulikowska Zare¸bska, L., Suszycki, J., Zaja¸c Faculty of Physic, Nuclear, Technique, Academy of, Mining, Metallurgy, Poland j. Z., Dulin´ ski, A., Kotan´ ski Jagellonian Univ, of Physics, D. e. p. t., PL 30059, Cracow, Poland k. G., Abbiendi13, L. A. T., Bauerdick, U., Behren, H., Beier, J. K., Bienlein, G., Case, O., Deppe, K., Desler, G., Drew, M., Flasin´ ski14, D. J., Gilkinson, C., Glasman, P., Go¨ ttlicher, J., Große Knetter, T., Haa, W., Hain, D., Hasell, H., Heßling, Y., Iga, K. F., Johnson15, P., Joo, M., Kasemann, R., Klanner, W., Koch, U., Ko¨ tz, H., Kowalski, J., Lab, A., Ladage, B., Lo¨ hr, M., Lo¨ we, D., Lu¨ ke, J., Mainusch16, O., Man´ czak, J., Milewski, T., Monteiro17, J. S. T., Ng, D., Notz, K., Ohrenberg, K., Piotrzkowski, M., Roco, M., Rohde, J., Rolda´n, U., Schneekloth, W., Schulz, F., Selonke, B., Surrow, E., Tassi, T., Voß, D., Westphal, G., Wolf, U., Wollmer, C., Youngman, W., Zeuner Deutsches Elektronen Synchrotron DESY, D., 22603 Hamburg, Germany H. J., Grabosch, Mari, Stefano Maria, A., Meyer, S., Schlenstedt DESY IfH Zeuthen, D., 15738 Zeuthen, Germany G., Barbagli, E., Gallo, P., Pelfer University, Infn, Florence, Italy f. G., Maccarrone, S., De Pasquale, L., Votano INFN, Laboratori Nazionali di, Frascati, I., 00044 Frascati, Italy f. A., Bamberger, S., Eisenhardt, T., Trefzger19, S. Wo¨ lfle Fakulta¨t fu¨ r. Physik der Universita¨t Freiburg i. B., R., D. 79104 Freiburg i. B., R., Germany c. J. T., Bromley, N. H., Brook, P. J., Bussey, A. T., Doyle, D. H., Saxon, L. E., Sinclair, E., Strickland, M. L., Utley, R., Waugh, of Physics, A. S. Wilson D. e. p. t., Astronomy, University of, Glasgow, Glasgow G12, 8qq, U. K. o. A., Dannemann20, U., Holm, D., Horstmann, R., Sinkus21, K., Wick Hamburg University, Physics, I. Institute of E. x. p., D., 22761 Hamburg, Germany c. B. D., Burow22, L., Hagge16, E., Lohrmann, G., Poelz, W., Schott, F., Zetsche Hamburg University, Physics, I. I. Institute of E. x. p., Germany c. T. C., Bacon, N., Bru¨ mmer, I., Butterworth, V. L., Harri, G., Howell, B. H. Y., Hung, L., Lamberti23, K. R., Long, D. B., Miller, N., Pavel, A., Prinias24, J. K., Sedgbeer, D., Sideri, A. F., Whitfield Imperial College London, High Energy Nuclear Physics, Group, London SW7, 2bz, U. K. o. U., Mallik, M. Z., Wang, S. M., Wang, J. T., Wu University of Iowa, Physics, Astronomy, Dept, Iowa, City, Ia, 52242, USA p. P., Cloth, D., Filges Forschungszentrum Ju¨ lich, Institut fu¨ r., Kernphysik, D., 52405 Ju¨ lich, Germany S. H., An, G. H., Cho, B. J., Ko, S. B., Lee, S. W., Nam, H. S., Park, S. K., Park Korea University, Seoul 136, 701, Korea h. S., Kartik, H. J., Kim, R. R., Mcneil, W., Metcalf, V. K., Nadendla Louisiana State University, Baton, Rouge, LA 70803, 4001, USA p. F., Barreiro, J. P., Fernandez, R., Graciani, J. M., Herna´ndez, L., Herva´, L., Labarga, M., Martinez, J., del Peso, J., Puga, J., Terron, Auto´ noma Madrid, J. F. de Troco´ niz U. n. i. v. e. r., Depto de F´ısica Teo´, R´ıca, E., 28049 Madrid, Spain n. F., Corriveau, D. S., Hanna, J., Hartmann, L. W., Hung, J. N., Lim, C. G., Matthews25, W. N., Murray, A., Och, P. M., Patel, M., Riveline, D. G., Stair, M., St Laurent, R., Ullmann, G., Zacek25 McGill University, Montre´al, PQ H3A, 2t8, Canada, A, b. T., Tsurugai Meiji Gakuin University, Faculty of General, Education, Yokohama, 244, Japan V., Bashkirov, B. A., Dolgoshein, A., Stifutkin Moscow Engineering Physics Institute, RU 115 409, Moscow, Russia l. G. L., Bashindzhagyan26, P. F., Ermolov, L. K., Gladilin, Golubkov, Y. u. A., V. D., Kobrin, I. A., Korzhavina, V. A., Kuzmin, Lukina, O. Y. u., A. S., Proskuryakov, A. A., Savin, L. M., Shcheglova, A. N., Solomin, N. P., Zotov Moscow State University, Institute of Nuclear, Physic, RU 119 899, Moscow, Russia m. M., Botje, F., Chlebana, J., Engelen, M., de Kamp, P., Kooijman, A., Kruse, A., van Sighem, H., Tiecke, W., Verkerke, J., Vossebeld, M., Vreeswijk, L., Wigger, E., de Wolf, R., van Woudenberg27 NIKHEF, University of, Amsterdam, NL 1009 DB, Amsterdam, Netherlands i. D., Acosta, B., Bylsma, L. S., Durkin, J., Gilmore, C. M., Ginsburg, C. L., Kim, C., Li, T. Y., Ling, P., Nylander, I. H., Park, T. A., Romanowski28 Ohio State University, Physics, Department, Columbus, OH 43210, 1106, USA p. D. S., Bailey, R. J., Cashmore29, A. M., Cooper Sarkar, R. C. E., Devenish, N., Harnew, M., Lancaster30, L., Lindemann, J. D., Mcfall, C., Nath, V. A., Noyes24, A., Quadt, J. R., Tickner, H., Uijterwaal, R., Walczak, D. S., Water, F. F., Wilson, T., Yip Department of Physic, University of, Oxford, Oxford, U. K. o. A., Bertolin, R., Brugnera, R., Carlin, F., Dal Corso, M., De Giorgi, U., Dosselli, S., Limentani, M., Morandin, M., Posocco, L., Stanco, R., Stroili, C., Voci, F., Zuin Dipartimento di Fisica dell’ Universita, Infn, I., 35131 Padova, Italy f. J., Bulmahn, R. G., Feild31, B. Y., Oh, J. J., Whitmore Pennsylvania State University, University, Park, Pa, 16802, USA q. G., D’Agostini, G., Marini, A., Nigro Dipartimento di Fisica, ’La Sapienza’, U. n. i. v., I., 00185 Rome, Italy f. J. C., Hart, N. A., Mccubbin, T. P., Shah Rutherford Appleton Laboratory, Chilton, Didcot OX11, 0qx, U. K. o. E., Barberi, T., Dubb, C., Heusch, M., Van Hook, W., Lockman, J. T., Rahn, H. F. W., Sadrozinski, A., Seiden, D. C., Williams University of California, Santa, Cruz, Ca, 93106, USA p. J., Biltzinger, R. J., Seifert, O., Schwarzer, A. H., Walenta Fachbereich Physik der Universita¨t Gesamthochschule Siegen, D., 57012 Siegen, Germany c. H., Abramowicz, G., Briskin, S., Dagan32, T., Doeker32, A., Levy26 Raymond, Beverly Sackler Faculty of Exact, Science, School of, Physic, Tel Aviv, University, Tel Aviv, 69978, Israel e. J. I., Fleck33, M., Inuzuka, T., Ishii, M., Kuze, S., Mine, M., Nakao, I., Suzuki, K., Tokushuku, K., Umemori, S., Yamada, Y., Yamazaki Institute for Nuclear Study, University of, Tokyo, Tokyo, 113, Japan g. M., Chiba, R., Hamatsu, T., Hirose, K., Homma, S., Kitamura34, T., Matsushita, K., Yamauchi Tokyo Metropolitan University, Tokyo 192, 03, Japan g. R., Cirio, M., Costa, M. I., Ferrero, S., Maselli, C., Peroni, R., Sacchi, A., Solano, A., Staiano Universita di Torino, Dipartimento di Fisica, Sperimentale, I., 10129 Torino, Italy f. M., Dardo II Faculty of Science, Torino, University, Infn, Alessandria, Italy f. D. C., Bailey, F., Benard, M., Brkic, C. P., Fagerstroem, G. F., Hartner, K. K., Joo, G. M., Levman, J. F., Martin, R. S., Orr, S., Polenz, C. R., Sampson, D., Simmon, R. J., Teuscher University of Toronto, Toronto, ON M5S, 1a7, Canada a. J. M., Butterworth, C. D., Catterall, T. W., Jone, P. B., Kaziewicz, J. B., Lane, R. L., Saunder, J., Shulman, M. R., Sutton University College London, London WC1E, 6bt, U. K. o. B., Lu, L. W., Mo Virginia Polytechnic Inst, State, University, Physics, Dept, Blacksburg, Va, 24061, USA q. W., Bogusz, J., Ciborowski, J., Gajewski, G., Grzelak35, M., Kasprzak, M., Krzyz˙anowski, K., Muchorowski36, R. J., Nowak, J. M., Pawlak, T., Tymieniecka, A. K., Wro´ blewski, J. A., Zakrzewski, A. F., Z˙ arnecki Warsaw University, Institute of Experimental, Physic, PL 00681, Warsaw, Poland j. M., Adamus Institute for Nuclear Studie, Poland j. C., Coldewey, Y., Eisenberg32, D., Hochman, U., Karshon32, D., Revel32, D., Zer Zion Weizmann Institute, Nuclear Physics, Dept, Rehovot, 76100, Israel d. W. F., Badgett, J., Breitweg, D., Chapin, R., Cro, S., Dasu, C., Fouda, R. J., Lovele, S., Mattingly, D. D., Reeder, S., Silverstein, W. H., Smith, A., Vaiciuli, M., Wodarczyk University of Wisconsin, Madison, Wi, 53706, USA p. S., Bhadra, M. L., Cardy37, W. R., Frisken, M., Khakzad, W. B., Schmidke York University, North, York, Toronto ON M3J, 1p3, Canada, A.
Jazyk: angličtina
Rok vydání: 1997
Popis: Transverse energy flow and forward jet cross sections at low values of x(Bj) are measured with the ZEUS detector at HERA in order to study the underlying parton dynamics (DGLAP versus BFKL). The energy how has been compared to different model simulations, but hadronization effects are too large to draw a firm conclusion. The measured jet cross section for 10(-4) < x(Bj) < 5.10(-3) is for the lower x(Bj)-bins larger than that of NLO QCD DGLAP calculations but lies still below a more qualitative BFKL prediction.
Databáze: OpenAIRE
Externí odkaz: