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MEASUREMENT OF THE CROSS-SECTION FOR THE REACTION GAMMA-P-]J/PSI-P WITH THE ZEUS DETECTOR AT HERA RID B-9165-2008 RID C-5889-2009 RID A-4818-2008 RID C-1693-2008
Authors :
DERRICK M KRAKAUER D MAGILL S MIKUNAS D MUSGRAVE B REPOND J STANEK R TALAGA RL ZHANG H AYAD R BARI G BASILE M BELLAGAMBA L BOSCHERINI D BRUNI A BRUNI G BRUNI P ROMEO GC CASTELLINI G CHIARINI M CIFARELLI L CINDOLO F CONTIN A CORRADI M GIALAS I GIUSTI P IACOBUCCI G LAURENTI G LEVI G MARGOTTI A MASSAM T NANIA R NEMOZ C PALMONARI F POLINI A SARTORELLI G TIMELLINI R GARCIA YZ ZICHICHI A BARGENDE A CRITTENDEN J DESCH K DIEKMANN B DOEKER T ECKERT M FELD L FREY A GEERTS M GEITZ G GROTHE M HAAS T HARTMANN H HAUN D HEINLOTH K HILGER E JAKOB HP KATZ UF MASS A MENGEL S MOLLEN J PAUL E REMBSER C SCHATTEVOY R SCHRAMM D STAMM J WEDEMEYER R CAMPBELLROBSON S CASSIDY A DYCE N FOSTER B GEORGE S GILMORE R HEATH GP HEATH HF LLEWELLYN TJ MORGADO CJS NORMAN DJP OMARA JA TAPPER RJ WILSON SS YOSHIDA R RAU RR ARNEODO M IANNOTTI L SCHIOPPA M SUSINNO G BERNSTEIN A CALDWELL A CARTIGLIA N PARSONS JA RITZ S SCIULLI F STRAUB PB WAI L YANG S ZHU Q BORZEMSKI P CHWASTOWSKI J ESKREYS A PIOTRZKOWSKI K ZACHARA M ZAWIEJSKI L ADAMCZYK L BEDNAREK B JELEN K KISIELEWSKA D KOWALSKI T RULIKOWSKAZAREBSKA E SUSZYCKI L ZAJAC J KOTANSKI A PRZYBYCIEN M BAUERDICK LAT BEHRENS U BEIER H BIENLEIN JK COLDEWEY C DEPPE O DESLER K DREWS G FLASINSKI M GILKINSON DJ GLASMAN C GOTTLICHER P GROSSEKNETTER J GUTJAHR B HAIN W HASELL D HESSLING H IGA Y JOOS P KASEMANN M KLANNER R KOCH W KOPKE L KOTZ U KOWALSKI H LABS J LADAGE A LOHR B LOWE M LUKE D MANCZAK O MONTEIRO T NG JST NICKEL S NOTZ D OHRENBERG K ROCO M ROHDE M ROLDAN J SCHNEEKLOTH U SCHULZ W SELONKE F STILIARIS E SURROW B VOSS T WESTPHAL D WOLF G YOUNGMAN C ZHOU JF GRABOSCH HJ KHARCHILAVA A LEICH A MATTINGLY MCK MEYER A SCHLENSTEDT S WULFF N BARBAGLI G PELFER P ANZIVINO G MACCARRONE G DEPASQUALE S VOTANO L BAMBERGER A EISENHARDT S FREIDHOF A SOLDNERREMBOLD S SCHROEDER J TREFZGER T BROOK NH BUSSEY PJ DOYLE AT FLECK JI SAXON DH UTLEY ML WILSON AS DANNEMANN A HOLM U HORSTMANN D NEUMANN T SINKUS R WICK K BADURA E BUROW BD HAGGE L LOHRMANN E MAINUSCH J MILEWSKI J NAKAHATA M PAVEL N POELZ G SCHOTT W ZETSCHE F BACON TC BUTTERWORTH I GALLO E HARRIS VL HUNG BYH LONG KR MILLER DB MORAWITZ PPO PRINIAS A SEDGBEER JK WHITFIELD AF MALLIK U MCCLIMENT E WANG MZ WANG S WU JT ZHANG Y CLOTH P FILGES D AN SH HONG S NAM SW PARK SK SUH MH YON SH IMLAY R KARTIK S KIM HJ MCNEIL RR METCALF W NADENDLA VK BARREIRO F CASES G GRACIANI R HERNANDEZ JM HERVAS L LABARGA L DELPESO J PUGA J TERRON J DETROCONIZ JF SMITH GR CORRIVEAU F HANNA DS HARTMANN J HUNG LW LIM JN MATTHEWS CG PATEL PM SINCLAIR LE STAIRS DG STLAURENT M ULLMANN R ZACEK G BASHKIROV V DOLGOSHEIN BA STIFUTKIN A BASHINDZHAGYAN GL ERMOLOV PF GLADILIN LK GOLUBKOV YA KOBRIN VD KUZMIN VA PROSKURYAKOV AS SAVIN AA SHCHEGLOVA LM SOLOMIN AN ZOTOV NP BOTJE M CHLEBANA F DAKE A ENGELEN J DEKAMPS M KOOIJMAN P KRUSE A TIECKE H VERKERKE W VREESWIJK M WIGGERS L DEWOLF E VANWOUDENBERG R ACOSTA D BYLSMA B DURKIN LS HONSCHEID K LI C LING TY MCLEAN KW MURRAY WN PARK IH ROMANOWSKI TA SEIDLEIN R BAILEY DS BLAIR GA BYRNE A CASHMORE RJ COOPERSARKAR AM DANIELS D DEVENISH RCE HARNEW N LANCASTER M LUFFMAN PE LINDEMANN L MCFALL JD NATH C NOYES VA QUADT A UIJTERWAAL H WALCZAK R WILSON FF YIP T ABBIENDI G BERTOLIN A BRUGNERA R CARLIN R DALCORSO F DEGIORGI M DOSSELLI U LIMENTANI S MORANDIN M POSOCCO M STANCO L STROILI R VOCI C BULMAHN J BUTTERWORTH JM FEILD RG OH BY WHITEMORE JJ DAGOSTINI G MARINI G NIGRO A TASSI E HART JC MCCUBBIN NA PRYTZ K SHAH TP SHORT TL BARBERIS E DUBBS T HEUSCH C VANHOOK M HUBBARD B LOCKMAN W RAHN JT SADROZINSKI HFW SEIDEN A BILTZINGER J SEIFERT RJ WALENTA AH ZECH G ABRAMOWICZ H BRISKIN G DAGAN S LEVY A HASEGAWA T HAZUMI M ISHII T KUZE M MINE S NAGASAWA Y NAKAO M SUZUKI I TOKUSHUKU K YAMADA S YAMAZAKI Y CHIBA M HAMATSU R HIROSE T HOMMA K KITAMURA S NAKAMITSU Y YAMAUCHI K CIRIO R COSTA M FERRERO MI LAMBERTI L MASELLI S PERONI C SACCHI R SOLANO A STAIANO A DARDO M BAILEY DC BANDYOPADHYAY D BENARD F BRKIC M CROMBIE MB GINGRICH DM HARTNER GF JOO KK LEVMAN GM MARTIN JF ORR RS SAMPSON CR TEUSCHER RJ CATTERALL CD JONES TW KAZIEWICZ PB LANE JB SAUNDERS RL SHULMAN J BLANKENSHIP K LU B MO LW BOGUSZ W CHARCHULA K CIBOROWSKI J GAJEWSKI J GRZELAK G KASPRZAK M KRZYZANOWSKI M MUCHOROWSKI K NOWAK RJ PAWLAK JM TYMIENIECKA T WROBLEWSKI AK ZAKRZEWSKI JA ZARNECKI AF ADAMUS M EISENBERG Y KARSHON U REVEL D ZERZION D ALI I BADGETT WF BEHRENS B DASU S FORDHAM C FOUDAS C GOUSSIOU A LOVELESS RJ REEDER DD SILVERSTEIN S SMITH WH VAICIULIS A WODARCZYK M TSURUGAI T BHADRA S CARDY ML FAGERSTROEM CP FRISKEN WR FURUTANI KM KHAKZAD M SCHMIDKE WB MARI, Stefano Maria Derrick, M Krakauer, D Magill, S Mikunas, D Musgrave, B Repond, J Stanek, R Talaga, Rl Zhang, H Ayad, R Bari, G Basile, M Bellagamba, L Boscherini, D Bruni, A Bruni, G Bruni, P Romeo, Gc Castellini, G Chiarini, M Cifarelli, L Cindolo, F Contin, A Corradi, M Gialas, I Giusti, P Iacobucci, G Laurenti, G Levi, G Margotti, A Massam, T Nania, R Nemoz, C Palmonari, F Polini, A Sartorelli, G Timellini, R Garcia, Yz Zichichi, A Bargende, A Crittenden, J Desch, K Diekmann, B Doeker, T Eckert, M Feld, L Frey, A Geerts, M Geitz, G Grothe, M Haas, T Hartmann, H Haun, D Heinloth, K Hilger, E Jakob, Hp Katz, Uf Mari, Stefano Maria Mass, A Mengel, S Mollen, J Paul, E Rembser, C Schattevoy, R Schramm, D Stamm, J Wedemeyer, R Campbellrobson, S Cassidy, A Dyce, N Foster, B George, S Gilmore, R Heath, Gp Heath, Hf Llewellyn, Tj Morgado, Cj Norman, Djp Omara, Ja Tapper, Rj Wilson, S Yoshida, R Rau, Rr Arneodo, M Iannotti, L Schioppa, M Susinno, G Bernstein, A Caldwell, A Cartiglia, N Parsons, Ja Ritz, S Sciulli, F Straub, Pb Wai, L Yang, S Zhu, Q Borzemski, P Chwastowski, J Eskreys, A Piotrzkowski, K Zachara, M Zawiejski, L Adamczyk, L Bednarek, B Jelen, K Kisielewska, D Kowalski, T Rulikowskazarebska, E Suszycki, L Zajac, J Kotanski, A Przybycien, M Bauerdick, Lat Behrens, U Beier, H Bienlein, Jk Coldewey, C Deppe, O Desler, K Drews, G Flasinski, M Gilkinson, Dj Glasman, C Gottlicher, P Grosseknetter, J Gutjahr, B Hain, W Hasell, D Hessling, H Iga, Y Joos, P Kasemann, M Klanner, R Koch, W Kopke, L Kotz, U Kowalski, H Labs, J Ladage, A Lohr, B Lowe, M Luke, D Manczak, O Monteiro, T Ng, Jst Nickel, S Notz, D Ohrenberg, K Roco, M Rohde, M Roldan, J Schneekloth, U Schulz, W Selonke, F Stiliaris, E Surrow, B Voss, T Westphal, D Wolf, G Youngman, C Zhou, Jf Grabosch, Hj Kharchilava, A Leich, A Mattingly, Mck Meyer, A Schlenstedt, S Wulff, N Barbagli, G Pelfer, P Anzivino, G Maccarrone, G Depasquale, S Votano, L Bamberger, A Eisenhardt, S Freidhof, A Soldnerrembold, S Schroeder, J Trefzger, T Brook, Nh Bussey, Pj Doyle, At Fleck, Ji Saxon, Dh Utley, Ml Wilson, A Dannemann, A Holm, U Horstmann, D Neumann, T Sinkus, R Wick, K Badura, E Burow, Bd Hagge, L Lohrmann, E Mainusch, J Milewski, J Nakahata, M Pavel, N Poelz, G Schott, W Zetsche, F Bacon, Tc Butterworth, I Gallo, E Harris, Vl Hung, Byh Long, Kr Miller, Db Morawitz, Ppo Prinias, A Sedgbeer, Jk Whitfield, Af Mallik, U Mccliment, E Wang, Mz Wang, S Wu, Jt Zhang, Y Cloth, P Filges, D An, Sh Hong, S Nam, Sw Park, Sk Suh, Mh Yon, Sh Imlay, R Kartik, S Kim, Hj Mcneil, Rr Metcalf, W Nadendla, Vk Barreiro, F Cases, G Graciani, R Hernandez, Jm Hervas, L Labarga, L Delpeso, J Puga, J Terron, J Detroconiz, Jf Smith, Gr Corriveau, F Hanna, D Hartmann, J Hung, Lw Lim, Jn Matthews, Cg Patel, Pm Sinclair, Le Stairs, Dg Stlaurent, M Ullmann, R Zacek, G Bashkirov, V Dolgoshein, Ba Stifutkin, A Bashindzhagyan, Gl Ermolov, Pf Gladilin, Lk Golubkov, Ya Kobrin, Vd Kuzmin, Va Proskuryakov, A Savin, Aa Shcheglova, Lm Solomin, An Zotov, Np Botje, M Chlebana, F Dake, A Engelen, J Dekamps, M Kooijman, P Kruse, A Tiecke, H Verkerke, W Vreeswijk, M Wiggers, L Dewolf, E Vanwoudenberg, R Acosta, D Bylsma, B Durkin, L Honscheid, K Li, C Ling, Ty Mclean, Kw Murray, Wn Park, Ih Romanowski, Ta Seidlein, R Bailey, D Blair, Ga Byrne, A Cashmore, Rj Coopersarkar, Am Daniels, D Devenish, Rce Harnew, N Lancaster, M Luffman, Pe Lindemann, L Mcfall, Jd Nath, C Noyes, Va Quadt, A Uijterwaal, H Walczak, R Wilson, Ff Yip, T Abbiendi, G Bertolin, A Brugnera, R Carlin, R Dalcorso, F Degiorgi, M Dosselli, U Limentani, S Morandin, M Posocco, M Stanco, L Stroili, R Voci, C Bulmahn, J Butterworth, Jm Feild, Rg Oh, By Whitemore, Jj Dagostini, G Marini, G Nigro, A Tassi, E Hart, Jc Mccubbin, Na Prytz, K Shah, Tp Short, Tl Barberis, E Dubbs, T Heusch, C Vanhook, M Hubbard, B Lockman, W Rahn, Jt Sadrozinski, Hfw Seiden, A Biltzinger, J Seifert, Rj Walenta, Ah Zech, G Abramowicz, H Briskin, G Dagan, S Levy, A Hasegawa, T Hazumi, M Ishii, T Kuze, M Mine, S Nagasawa, Y Nakao, M Suzuki, I Tokushuku, K Yamada, S Yamazaki, Y Chiba, M Hamatsu, R Hirose, T Homma, K Kitamura, S Nakamitsu, Y Yamauchi, K Cirio, R Costa, M Ferrero, Mi Lamberti, L Maselli, S Peroni, C Sacchi, R Solano, A Staiano, A Dardo, M Bailey, Dc Bandyopadhyay, D Benard, F Brkic, M Crombie, Mb Gingrich, Dm Hartner, Gf Joo, Kk Levman, Gm Martin, Jf Orr, R Sampson, Cr Teuscher, Rj Catterall, Cd Jones, Tw Kaziewicz, Pb Lane, Jb Saunders, Rl Shulman, J Blankenship, K Lu, B Mo, Lw Bogusz, W Charchula, K Ciborowski, J Gajewski, J Grzelak, G Kasprzak, M Krzyzanowski, M Muchorowski, K Nowak, Rj Pawlak, Jm Tymieniecka, T Wroblewski, Ak Zakrzewski, Ja Zarnecki, Af Adamus, M Eisenberg, Y Karshon, U Revel, D Zerzion, D Ali, I Badgett, Wf Behrens, B Dasu, S Fordham, C Foudas, C Goussiou, A Loveless, Rj Reeder, Dd Silverstein, S Smith, Wh Vaiciulis, A Wodarczyk, M Tsurugai, T Bhadra, S Cardy, Ml Fagerstroem, Cp Frisken, Wr Furutani, Km Khakzad, M Schmidke, Wb
Publication Year :
1995
Abstract
This paper reports the cross section measurements for the process ep --> e J/psi p for Q(2) < 4 GeV2 at root s = 296 GeV, based on an integrated luminosity of about 0.5 pb(-1), using the ZEUS detector. The J/psi was detected in its e(+)e(-) and mu(+)mu(-) decay modes. The photoproduction cross section was measured to be 52(-12)(+7) +/- 10 nb at an average gamma p centre of mass energy of 67 GeV and 71(-20)(+13) +/- 12 nb at 114 GeV. The significant rise of the cross section compared to lower energy measurements is not in agreement with VDM models, but can be described by QCD inspired models if a rise in the gluon momentum density at low x in the proton is assumed.
Details
Language :
English
Database :
OpenAIRE
Accession number :
edsair.od......3668..2addcf4f5debe37828b088940c0d427b