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Measurement of thee reaction gamma*p->phi p in deep, inelastic e(+)p scattering 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 Okrasinski JR Repond J Stanek R Talaga RL Zhang H Mattingly MCK Bari G Basile M Bellagamba L Boscherini D Bruni A Bruni G Bruni P Romeo GC Castellini G Cifarelli L Cindolo F Contin A Corradi M Gialas I Giusti P Iacobucci G Laurenti G Levi G Margotti A Massam T Nania R Palmonari F Polini A Sartorelli G Garcia YZ Zichichi A Amelung C Bornheim A Crittenden J Deffner R Doeker T Eckert K Feld L Frey A Geerts M Grothe M Hartmann H Heinloth K Heinz L Hilger E Jakob HP Katz UF Mengel S Paul E Pfeiffer M Rembser C Schramm D Stamm J Wedemeyer R CampbellRobson S Cassidy A Cottingham WN Dyce N Foster B George S Hayes ME Heath GP Heath HF Piccioni D Roff DG Tapper RJ Yoshida R Arneodo M Ayad R Capua M Garfagnini A Iannotti L Schioppa M Susinno G Caldwell A Cartiglia N Jing Z Liu W Parsons JA Ritz S Sciulli F Staub PB Wai L Yang S Zhu Q Borzemski P Chwastowski J Eskreys A Jakubowski Z Przybycien MB Zachara M Zawiejski L Adamczyk L Bednarek B Jelen K Kisielewska D Kowalski T Przybycien M RulikowskaZarebska E Suszycki L Zajac J Dulinski Z Kotanski A Abbiendi G Bauerdick LAT Behrens U Beier H Bienlein JK Cases G Deppe O Desler K Drews G Flasinski M Gilkinson DJ Glasman C Gottlicher P GrosseKnetter J Haas T Hain W Hasell D Hessling H Iga Y Johnson KF Joos P Kasemann M Klanner R Koch W Kotz U Kowalski H Labs J Ladage A Lohr B Lowe M Luke D Mainusch J Manczak O Milewski J Monteiro T Ng JST Notz D Ohrenberg K Piotrzkowski K Roco M Rohde M Roldan J Schneekloth U Schulz W Selonke F Surrow B Voss T Westphal D Wolf G Wollmer U Youngman C Zeuner W Grabosch HJ Kharchilava A Meyer A Schlenstedt S Wulff N Barbagli G Gallo E Pelfer P Maccarrone G DePasquale S Votano L Bamberger A Eisenhardt S Trefzger T Wolfle S Bromley JT Brook NH Bussey PJ Doyle AT Saxon DH Sinclair LE Utley ML Wilson AS Dannemann A Holm U Horstmann D Sinkus R Wick K Burow BD Hagge L Lohrmann E Pavel N Poelz G Schott W Zetsche F Bacon TC Brummer N Butterworth I Harris VL Howell G Hung BHY Lamberti L Long KR Miller DB Prinias A Sedgbeer JK Sideris D Whitfield AF Mallik U Wang MZ Wang S Wu JT Cloth P Filges D An SH Cho GH Ko BJ Lee SB Nam SW Park HS Park SK Kartik S Kim HJ McNeil RR Metcalf W Nadendla VK Barreiro F Fernandez JP Graciani R Hernandez JM Hervas L Labarga L Martinez M delPeso J Puga J Terron J deTroconiz JF Corriveau F Hanna DS Hartmann J Hung LW Lim JN Matthews CG Patel PM Riveline M Stairs DG StLaurent M Ullmann R Zacek G Tsurugai T Bashkirov V Dolgoshein BA Stifutkin A Bashindzhagyan GL Ermolov PF Gladilin LK Golubkov YA Kobrin VD Korzhavina IA Kuzmin VA Lukina OY Proskuryakov AS Savin AA Shcheglova LM Solomin AN Zotov NP Botje M Chlebana F Engelen J deKamps M Kooijman P Kruse A vanSighem A Tiecke H Verkerke W Vossebeld J Vreeswijk M Wiggers L deWolf E vanWoudenberg R Acosta D Bylsma B Durkin LS Gilmore J Li C Ling TY Nylander P Park IH Rowanowski TA Bailey DS Cashmore RJ CooperSarkar AM Devenish RCE Harnew N Lancaster M Lindemann L McFall JD Nath C Noyes VA Quadt A Tickner JR Uijterwaal H Walczak R Waters DS Wilson FF Yip T Bertolin A Brugnera R Carlin R DalCorso F DeGiorgi M Dosselli U Limentani S Morandin M Posocco M Stanco L Stroili R Voci C Zuin F Bulmahn J Feild RG Oh BY Whitmore JJ DAgostini G Marini G Nigro A Tassi E Hart JC McCubbin NA Shah TP Barberis E Dubbs T Heusch C VanHook M Lockman W Rahn JT Sadrozinski HFW Seiden A Williams DC Biltzinger J Seifert RJ Schwarzer O Walenta AH Zech G Abramowicz H Briskin G Dagan S Levy A Fleck JI Inuzuka M Ishii T Kuze M Mine S Nakao M Suzuki I Tokushuku K Umemori K Yamada S Yamazaki Y Chiba M Hamatsu R Hirose T Homma K Kitamura S Matsushita T Yamauchi K Cirio R Costa M Ferrero MI Maselli S Peroni C Sacchi R Solano A Staiano A Dardo M Bailey DC Benard F Brkic M Fagerstroem CP Hartner GF Joo KK Levman GM Martin JF Orr RS Polenz S Sampson CR Simmons D Teuscher RJ Butterworth JM Catterall CD Jones TW Kaziewicz PB Lane JB Saunders RL Shulman J Sutton MR Lu B Mo LW Bogusz W 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 Coldewey C Eisenberg Y Hochman D Karshon U Revel D ZerZion D Badgett WF Breitweg J Chapin D Cross R Dasu S Foudas C Loveless RJ Mattingly S Reeder DD Silverstein S Smith WH Vaiciulis A Wodarczyk M Bhadra S Cardy ML Frisken WR Khakzad M Murray WN Schmidke WB MARI, Stefano Maria Derrick, M Krakauer, D Magill, S Mikunas, D Musgrave, B Okrasinski, Jr Repond, J Stanek, R Talaga, Rl Zhang, H Mattingly, Mck Bari, G Basile, M Bellagamba, L Boscherini, D Bruni, A Bruni, G Bruni, P Romeo, Gc Castellini, G Cifarelli, L Cindolo, F Contin, A Corradi, M Gialas, I Giusti, P Iacobucci, G Laurenti, G Levi, G Margotti, A Massam, T Nania, R Palmonari, F Polini, A Sartorelli, G Garcia, Yz Zichichi, A Amelung, C Bornheim, A Crittenden, J Deffner, R Doeker, T Eckert, K Feld, L Frey, A Geerts, M Grothe, M Hartmann, H Heinloth, K Heinz, L Hilger, E Jakob, Hp Katz, Uf Mengel, S Paul, E Pfeiffer, M Rembser, C Schramm, D Stamm, J Wedemeyer, R Campbellrobson, S Cassidy, A Cottingham, Wn Dyce, N Foster, B George, S Hayes, Me Heath, Gp Heath, Hf Piccioni, D Roff, Dg Tapper, Rj Yoshida, R Arneodo, M Ayad, R Capua, M Garfagnini, A Iannotti, L Schioppa, M Susinno, G Caldwell, A Cartiglia, N Jing, Z Liu, W Parsons, Ja Ritz, S Sciulli, F Staub, Pb Wai, L Yang, S Zhu, Q Borzemski, P Chwastowski, J Eskreys, A Jakubowski, Z Przybycien, Mb Zachara, M Zawiejski, L Adamczyk, L Bednarek, B Jelen, K Kisielewska, D Kowalski, T Przybycien, M Rulikowskazarebska, E Suszycki, L Zajac, J Dulinski, Z Kotanski, A Abbiendi, G Bauerdick, Lat Behrens, U Beier, H Bienlein, Jk Cases, G Deppe, O Desler, K Drews, G Flasinski, M Gilkinson, Dj Glasman, C Gottlicher, P Grosseknetter, J Haas, T Hain, W Hasell, D Hessling, H Iga, Y Johnson, Kf Joos, P Kasemann, M Klanner, R Koch, W Kotz, U Kowalski, H Labs, J Ladage, A Lohr, B Lowe, M Luke, D Mainusch, J Manczak, O Milewski, J Monteiro, T Ng, Jst Notz, D Ohrenberg, K Piotrzkowski, K Roco, M Rohde, M Roldan, J Schneekloth, U Schulz, W Selonke, F Surrow, B Voss, T Westphal, D Wolf, G Wollmer, U Youngman, C Zeuner, W Grabosch, Hj Kharchilava, A Mari, Stefano Maria Meyer, A Schlenstedt, S Wulff, N Barbagli, G Gallo, E Pelfer, P Maccarrone, G Depasquale, S Votano, L Bamberger, A Eisenhardt, S Trefzger, T Wolfle, S Bromley, Jt Brook, Nh Bussey, Pj Doyle, At Saxon, Dh Sinclair, Le Utley, Ml Wilson, A Dannemann, A Holm, U Horstmann, D Sinkus, R Wick, K Burow, Bd Hagge, L Lohrmann, E Pavel, N Poelz, G Schott, W Zetsche, F Bacon, Tc Brummer, N Butterworth, I Harris, Vl Howell, G Hung, Bhy Lamberti, L Long, Kr Miller, Db Prinias, A Sedgbeer, Jk Sideris, D Whitfield, Af Mallik, U Wang, Mz Wang, S Wu, Jt Cloth, P Filges, D An, Sh Cho, Gh Ko, Bj Lee, Sb Nam, Sw Park, H Park, Sk Kartik, S Kim, Hj Mcneil, Rr Metcalf, W Nadendla, Vk Barreiro, F Fernandez, Jp Graciani, R Hernandez, Jm Hervas, L Labarga, L Martinez, M Delpeso, J Puga, J Terron, J Detroconiz, Jf Corriveau, F Hanna, D Hartmann, J Hung, Lw Lim, Jn Matthews, Cg Patel, Pm Riveline, M Stairs, Dg Stlaurent, M Ullmann, R Zacek, G Tsurugai, T Bashkirov, V Dolgoshein, Ba Stifutkin, A Bashindzhagyan, Gl Ermolov, Pf Gladilin, Lk Golubkov, Ya Kobrin, Vd Korzhavina, Ia Kuzmin, Va Lukina, Oy Proskuryakov, A Savin, Aa Shcheglova, Lm Solomin, An Zotov, Np Botje, M Chlebana, F Engelen, J Dekamps, M Kooijman, P Kruse, A Vansighem, A Tiecke, H Verkerke, W Vossebeld, J Vreeswijk, M Wiggers, L Dewolf, E Vanwoudenberg, R Acosta, D Bylsma, B Durkin, L Gilmore, J Li, C Ling, Ty Nylander, P Park, Ih Rowanowski, Ta Bailey, D Cashmore, Rj Coopersarkar, Am Devenish, Rce Harnew, N Lancaster, M Lindemann, L Mcfall, Jd Nath, C Noyes, Va Quadt, A Tickner, Jr Uijterwaal, H Walczak, R Waters, D Wilson, Ff Yip, T Bertolin, A Brugnera, R Carlin, R Dalcorso, F Degiorgi, M Dosselli, U Limentani, S Morandin, M Posocco, M Stanco, L Stroili, R Voci, C Zuin, F Bulmahn, J Feild, Rg Oh, By Whitmore, Jj Dagostini, G Marini, G Nigro, A Tassi, E Hart, Jc Mccubbin, Na Shah, Tp Barberis, E Dubbs, T Heusch, C Vanhook, M Lockman, W Rahn, Jt Sadrozinski, Hfw Seiden, A Williams, Dc Biltzinger, J Seifert, Rj Schwarzer, O Walenta, Ah Zech, G Abramowicz, H Briskin, G Dagan, S Levy, A Fleck, Ji Inuzuka, M Ishii, T Kuze, M Mine, S Nakao, M Suzuki, I Tokushuku, K Umemori, K Yamada, S Yamazaki, Y Chiba, M Hamatsu, R Hirose, T Homma, K Kitamura, S Matsushita, T Yamauchi, K Cirio, R Costa, M Ferrero, Mi Maselli, S Peroni, C Sacchi, R Solano, A Staiano, A Dardo, M Bailey, Dc Benard, F Brkic, M Fagerstroem, Cp Hartner, Gf Joo, Kk Levman, Gm Martin, Jf Orr, R Polenz, S Sampson, Cr Simmons, D Teuscher, Rj Butterworth, Jm Catterall, Cd Jones, Tw Kaziewicz, Pb Lane, Jb Saunders, Rl Shulman, J Sutton, Mr Lu, B Mo, Lw Bogusz, W 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 Coldewey, C Eisenberg, Y Hochman, D Karshon, U Revel, D Zerzion, D Badgett, Wf Breitweg, J Chapin, D Cross, R Dasu, S Foudas, C Loveless, Rj Mattingly, S Reeder, Dd Silverstein, S Smith, Wh Vaiciulis, A Wodarczyk, M Bhadra, S Cardy, Ml Frisken, Wr Khakzad, M Murray, Wn Schmidke, Wb
Publication Year :
1996
Abstract
The production of phi mesons in the reaction e(+)p --> e(+)phi p (phi --> K+K-), for 7 < Q(2) < 25 GeV2 and for virtual photon-proton centre of mass energies (W) in the range 42-134 GeV, has been studied with the ZEUS detector at HERA. When compared to lower energy data at similar Q(2), the results show that the gamma*p --> phi p cross section rises strongly with W. This behaviour is similar to that previously found for the gamma*p --> rho(0)p cross section. This strong dependence cannot be explained by production through soft pomeron exchange, It is, however, consistent with perturbative QCD expectations, where it reflects the rise of the gluon momentum density in the proton at small x. The ratio of sigma(phi)/sigma(rho(0)), which has previously been determined by ZEUS to be 0.065 +/- 0.013 (stat.) in photoproduction at a mean W of 70 GeV, is measured to be 0.18 +/- 0.05 (stat.) +/- 0.03 (syst.) at a mean Q(2) of 12.3 GeV2 and mean W of approximate to 100 GeV and is thus approaching at large Q(2) the value of 2/9 predicted from the quark charges of the vector mesons and a flavour independent production mechanism.
Details
Language :
English
Database :
OpenAIRE
Accession number :
edsair.od......3668..6c647a9d8c2e564a3fc8de69cda016fd