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The ZEUS Leading Proton Spectrometer and its use in the measurement of elastic rho(0) photoproduction 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 Anselmo F Antonioli P 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 Pesci A Polini A Sartorelli G Garcia YZ Zichichi A Amelung C Bornheim A Crittenden J Deffner R Eckert M 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 Straub 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 Tassi E Voss T Westphal D Wolf G Wollmer U Youngman C Zeuner W Grabosch HJ Meyer A Schlenstedt S Barbagli G Gallo E Pelfer P Anzivino G 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 Strickland E Utley ML Waugh R Wilson AS Dannemann A Holm U Horstmann D Sinkus R Wick K Burow BD Hagge L Lohrmann E Poelz G Schott W Zetsche F Bacon TC Brummer N Butterworth I Harris VL Howell G Hung BHY Lamberti L Long KR Miller DB Pavel N 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 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 Murray WN Ochs A 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 Ginsburg CM Kim CL Li C Ling TY Nylander P Park IH Romanowski TA 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 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 Abramowicz H Briskin G Dagan S Doeker T 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 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 Anselmo, F Antonioli, P 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 Pesci, A Polini, A Sartorelli, G Garcia, Yz Zichichi, A Amelung, C Bornheim, A Crittenden, J Deffner, R Eckert, M 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 Straub, 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 Tassi, E Voss, T Westphal, D Wolf, G Wollmer, U Youngman, C Zeuner, W Grabosch, Hj Mari, Stefano Maria Meyer, A Schlenstedt, S Barbagli, G Gallo, E Pelfer, P Anzivino, G 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 Strickland, E Utley, Ml Waugh, R Wilson, A Dannemann, A Holm, U Horstmann, D Sinkus, R Wick, K Burow, Bd Hagge, L Lohrmann, E Poelz, G Schott, W Zetsche, F Bacon, Tc Brummer, N Butterworth, I Harris, Vl Howell, G Hung, Bhy Lamberti, L Long, Kr Miller, Db Pavel, N 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 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 Murray, Wn Ochs, A 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 Ginsburg, Cm Kim, Cl Li, C Ling, Ty Nylander, P Park, Ih Romanowski, Ta 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 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 Abramowicz, H Briskin, G Dagan, S Doeker, T 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 Schmidke, Wb
Publication Year :
1997
Abstract
The differential cross section d sigma/dt for elastic rho(0) photoproduction, gamma p --> rho(0)p (rho(0) --> pi(+)pi(-)), has been measured in ep interactions at HERA. The squared four-momentum exchanged at the proton vertex, t, has been determined directly by measuring the momentum of the scattered proton using the ZEUS Leading Proton Spectrometer (LPS), a large scale system of silicon micro-strip detectors operating close to the HERA proton beam. The LPS allows the measurement of the momentum of high energy protons scattered at small angles with accuracies of 0.4% for the longitudinal momentum and 5 MeV for the transverse momentum. Photoproduction of rho(0) mesons has been investigated in the interval 0.073 < \t\ < 0.40 GeV2, for photon virtualities Q(2) < 1 GeV2 and photon-proton centre-of-mass energies W between 50 and 100 GeV. In the measured range, the t distribution exhibits an exponential shape with a slope parameter b = 9.8 +/- 0.8 (stat.) +/- 1.1 (syst.) GeV-2. The use of the LPS eliminates the contamination from events with diffractive dissociation of the proton into low mass states.
Details
Language :
English
Database :
OpenAIRE
Accession number :
edsair.od......3668..eb2a6600f6d6c2abc11b2812aeb33fe0