Leading Proton Production in e+p Collision at HERA

Chekanov, S; Krakauer, D; Loizides, Jh; Magill, S; Musgrave, B; Repond, J; Yoshida, R; Mattingly, Mck; Antonioli, P; Anzivino, G; Bari, G; Basile, M; Bellagamba, L; Boscherini, D; Bruni, A; Bruni, G; Romeo, Gc; Chiarini, M; Cifarelli, L; Cindolo, F; Contin, A; Corradi, M; De Pasquale, Salvatore; Giusti, P; Iacobucci, G; Levi, G; Margotti, A; Massam, T; Nania, R; Nemoz, C; Palmonari, F; Pesci, A; Sartorelli, G; Garcia, Yz; Zichichi, A; Aghuzumtsyan, G; Bartsch, D; Brock, I; Crittenden, J; Goers, S; Hartmann, H; Hilger, E; Irrgang, P; Jakob, Hp; Kappes, A; Katz, Uf; Kind, O; Paul, E; Rautenberg, J; Renner, R; Schnurbusch, H; Stifutkin, A; Tandler, J; Voss, Kc; Wang, M; Weber, A; Bailey, Ds; Brook, Nh; Cole, Je; Foster, B; Heath, Gp; Heath, Hf; Namsoo, T; Robins, S; Rodrigues, E; Wing, M; Ayad, R; Capua, M; Iannotti, L; Mastroberardino, A; Schioppa, M; Susinno, G; Kim, Jy; Kim, Yk; Lee, Jh; Lim, It; Pac, My; Caldwell, A; Helbich, M; Liu, X; Mellado, B; Ning, Y; Paganis, S; Ren, Z; Schmidke, Wb; Sciulli, F; Chwastowski, J; Eskreys, A; Figiel, J; Olkiewicz, K; Stopa, P; Zawiejski, L; Adamczyk, L; Bold, T; Grabowska Bold, I; Kisielewska, D; Kowal, Am; Kowal, M; Kowalski, T; Przybycien, M; Suszycki, L; Szuba, D; Szuba, J; Kotanski, A; Slominski, W; Bauerdick, Lat; Behrens, U; Bloch, I; Borras, K; Chiochia, V; Dannheim, D; Derrick, M; Drews, G; Fourletova, J; Fox Murphy, A; Fricke, U; Geiser, A; Goebel, F; Gottlicher, P; Gutsche, O; Haas, T; Hain, W; Hartner, Gf; Hillert, S; Kotz, U; Kowalski, H; Kramberger, G; Labes, H; Lelas, D; Lohr, B; Mankel, R; Melzer Pellmann, Ia; Moritz, M; Notz, D; Petrucci, Mc; Polini, A; Raval, A; Schneekloth, U; Selonke, F; Wessoleck, H; Wichmann, R; Wolf, G; Youngman, C; Zeuner, W; Viani, Alp; Meyer, A; Schlenstedt, S; Barbagli, G; Gallo, E; Genta, C; Pelfer, Pg; Bamberger, A; Benen, A; Coppola, N; Raach, H; Bell, M; Bussey, Pj; Doyle, At; Glasman, C; Hamilton, J; Hanlon, S; Lupi, A; Saxon, Dh; Skillicorn, Io; Gialas, I; Bodmann, B; Carli, T; Holm, U; Klimek, K; Krumnack, N; Lohrmann, E; Milite, M; Salehi, S; Stonjek, S; Wick, K; Ziegler, A; Ziegler, A; Collins Tooth, C; Foudas, C; Goncalo, R; Long, Kr; Metlica, F; Miller, Db; Tapper, Ad; Walker, R; Cloth, P; Filges, D; Kuze, M; Nagano, K; Tokushuku, K; Yamada, S; Yamazaki, Y; Barakbaev, An; Boos, Eg; Pokrovskiy, Ns; Zhautykov, Bo; Lim, H; Son, D; Barreiro, F; Gonzalez, O; Labarga, L; del Peso, J; Redondo, I; Terron, J; Vazquez, M; Barbi, M; Bertolin, A; Corriveau, F; Gliga, S; Lainesse, S; Padhi, S; Stairs, Dg; Tsurugai, T; Antonov, A; Danilov, P; Dolgoshein, Ba; Gladkov, D; Sosnovtsev, V; Suchkov, S; Dementiev, Rk; Ermolov, Pf; Golubkov, Ya; Katkov, Ii; Khein, La; Korzhavina, Ia; Kuzmin, Va; Levchenko, Bb; Lukina, Oy; Proskuryakov, As; Shcheglova, Lm; Vlasov, Nn; Zotkin, Sa; Bokel, C; Engelen, J; Grijpink, S; Koffeman, E; Kooijman, P; Maddox, E; Pellegrino, A; Schagen, S; Tassi, E; Tiecke, H; Tuning, N; Velthuis, Jj; Wiggers, L; de Wolf, E; Brummer, N; Bylsma, B; Durkin, Ls; Gilmore, J; Ginsburg, Cm; Kim, Cl; Ling, Ty; Boogert, S; Cooper Sarkar, Am; Devenish, Rce; Ferrando, J; Grzelak, G; Patel, S; Rigby, M; Sutton, Mr; Walczak, R; Brugnera, R; Carlin, R; Dal Corso, F; Dusini, S; Garfagnini, A; Limentani, S; Longhin, A; Parenti, A; Posocco, M; Stanco, L; Turcato, M; Heaphy, Ea; By, Oh; Saull, Prb; Whitmore, Jj; Iga, Y; D'Agostini, G; Marini, G; Nigro, A; Cormack, C; Hart, Jc; Barberis, E; Heusch, C; Lockman, W; Rahn, Jt; Sadrozinski, Hfw; Seiden, A; Williams, Dc; Park, Ih; Pavel, N; Abramowicz, H; Gabareen, A; Kananov, S; Kreisel, A; Levy, A; Abe, T; Fusayasu, T; Kagawa, S; Kohno, T; Tawara, T; Yamashita, T; Hamatsu, R; Hirose, T; Inuzuka, M; Kaji, H; Kitamura, S; Matsuzawa, K; Nishimura, T; Patel, S; Arneodo, M; Cartiglia, N; Cirio, R; Costa, M; Ferrero, Mi; Lamberti, L; Maselli, S; Monaco, V; Peroni, Cr; Ferrero, Mi; Sacchi, R; Solano, A; Staiano, A; Galea, R; Koop, T; Levman, Gm; Martin, Jf; Mirea, A; Sabetfakhri, A; Butterworth, Jm; Gwenlan, C; Hall Wilton, R; Jones, Tw; Lightwood, Ms; Ciborowski, J; Ciesielski, R; Nowak, Rj; Pawlak, Jm; Smalska, B; Sztuk, J; Tymieniecka, T; Ukleja, A; Ukleja, J; Zarnecki, Af; Adamus, M; Plucinski, P; Eisenberg, Y; Gladilin, Lk; Hochman, D; Karshon, U; Kcira, D; Lammers, S; Li, L; Reeder, Dd; Savin, Aa; Smith, Wh; Deshpande, A; Dhawan, S; Hughes, Vw; Straub, Pb; Bhadra, S; Catterall, Cd; Fourletov, S; Menary, S; Soares, M; Standage, J.

doi:10.1016/S0550-3213(03)00152-4

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Events with a final-state proton carrying a large fraction of the proton beam momentum, xL>0.6, and the square of the transverse momentum pT2<0.5 GeV2, have been studied in e+p collisions with the ZEUS detector at HERA. Data with different photon virtualities were used: Q2<0.02 GeV2, 0.1<Q2<0.74 GeV2 and 3<Q2<254 GeV2, corresponding to integrated luminosities of 0.9, 1.85 and 3.38 pb-1. The cross sections are given as a function of xL, pT2, Q2 and the Bjorken scaling variable, x. The ratio of the cross section for leading proton production to the inclusive e+p cross section shows only a mild dependence on Q2 and on x. In the region 0.6<xL<0.97, the relative yield of protons is only a weak function of xL.

Titolo:	Leading Proton Production in e+p Collision at HERA
Autori:	Chekanov, S Krakauer, D Loizides, Jh Magill, S Musgrave, B Repond, J Yoshida, R Mattingly, Mck Antonioli, P Anzivino, G Bari, G Basile, M Bellagamba, L Boscherini, D Bruni, A Bruni, G Romeo, Gc Chiarini, M Cifarelli, L Cindolo, F Contin, A Corradi, M DE PASQUALE, Salvatore Giusti, P Iacobucci, G Levi, G Margotti, A Massam, T Nania, R Nemoz, C Palmonari, F Pesci, A Sartorelli, G Garcia, Yz Zichichi, A Aghuzumtsyan, G Bartsch, D Brock, I Crittenden, J Goers, S Hartmann, H Hilger, E Irrgang, P Jakob, Hp Kappes, A Katz, Uf Kind, O Paul, E Rautenberg, J Renner, R Schnurbusch, H Stifutkin, A Tandler, J Voss, Kc Wang, M Weber, A Bailey, Ds Brook, Nh Cole, Je Foster, B Heath, Gp Heath, Hf Namsoo, T Robins, S Rodrigues, E Wing, M Ayad, R Capua, M Iannotti, L Mastroberardino, A Schioppa, M Susinno, G Kim, Jy Kim, Yk Lee, Jh Lim, It Pac, My Caldwell, A Helbich, M Liu, X Mellado, B Ning, Y Paganis, S Ren, Z Schmidke, Wb Sciulli, F Chwastowski, J Eskreys, A Figiel, J Olkiewicz, K Stopa, P Zawiejski, L Adamczyk, L Bold, T Grabowska Bold, I Kisielewska, D Kowal, Am Kowal, M Kowalski, T Przybycien, M Suszycki, L Szuba, D Szuba, J Kotanski, A Slominski, W Bauerdick, Lat Behrens, U Bloch, I Borras, K Chiochia, V Dannheim, D Derrick, M Drews, G Fourletova, J Fox Murphy, A Fricke, U Geiser, A Goebel, F Gottlicher, P Gutsche, O Haas, T Hain, W Hartner, Gf Hillert, S Kotz, U Kowalski, H Kramberger, G Labes, H Lelas, D Lohr, B Mankel, R Melzer Pellmann, Ia Moritz, M Notz, D Petrucci, Mc Polini, A Raval, A Schneekloth, U Selonke, F Wessoleck, H Wichmann, R Wolf, G Youngman, C Zeuner, W Viani, Alp Meyer, A Schlenstedt, S Barbagli, G Gallo, E Genta, C Pelfer, Pg Bamberger, A Benen, A Coppola, N Raach, H Bell, M Bussey, Pj Doyle, At Glasman, C Hamilton, J Hanlon, S Lupi, A Saxon, Dh Skillicorn, Io Gialas, I Bodmann, B Carli, T Holm, U Klimek, K Krumnack, N Lohrmann, E Milite, M Salehi, S Stonjek, S Wick, K Ziegler, A Ziegler, A Collins Tooth, C Foudas, C Goncalo, R Long, Kr Metlica, F Miller, Db Tapper, Ad Walker, R Cloth, P Filges, D Kuze, M Nagano, K Tokushuku, K Yamada, S Yamazaki, Y Barakbaev, An Boos, Eg Pokrovskiy, Ns Zhautykov, Bo Lim, H Son, D Barreiro, F Gonzalez, O Labarga, L del Peso, J Redondo, I Terron, J Vazquez, M Barbi, M Bertolin, A Corriveau, F Gliga, S Lainesse, S Padhi, S Stairs, Dg Tsurugai, T Antonov, A Danilov, P Dolgoshein, Ba Gladkov, D Sosnovtsev, V Suchkov, S Dementiev, Rk Ermolov, Pf Golubkov, Ya Katkov, Ii Khein, La Korzhavina, Ia Kuzmin, Va Levchenko, Bb Lukina, Oy Proskuryakov, As Shcheglova, Lm Vlasov, Nn Zotkin, Sa Bokel, C Engelen, J Grijpink, S Koffeman, E Kooijman, P Maddox, E Pellegrino, A Schagen, S Tassi, E Tiecke, H Tuning, N Velthuis, Jj Wiggers, L de Wolf, E Brummer, N Bylsma, B Durkin, Ls Gilmore, J Ginsburg, Cm Kim, Cl Ling, Ty Boogert, S Cooper Sarkar, Am Devenish, Rce Ferrando, J Grzelak, G Patel, S Rigby, M Sutton, Mr Walczak, R Brugnera, R Carlin, R Dal Corso, F Dusini, S Garfagnini, A Limentani, S Longhin, A Parenti, A Posocco, M Stanco, L Turcato, M Heaphy, Ea Oh, By Saull, Prb Whitmore, Jj Iga, Y D'Agostini, G Marini, G Nigro, A Cormack, C Hart, Jc Barberis, E Heusch, C Lockman, W Rahn, Jt Sadrozinski, Hfw Seiden, A Williams, Dc Park, Ih Pavel, N Abramowicz, H Gabareen, A Kananov, S Kreisel, A Levy, A Abe, T Fusayasu, T Kagawa, S Kohno, T Tawara, T Yamashita, T Hamatsu, R Hirose, T Inuzuka, M Kaji, H Kitamura, S Matsuzawa, K Nishimura, T Patel, S Arneodo, M Cartiglia, N Cirio, R Costa, M Ferrero, Mi Lamberti, L Maselli, S Monaco, V Peroni, Cr Ferrero, Mi Sacchi, R Solano, A Staiano, A Galea, R Koop, T Levman, Gm Martin, Jf Mirea, A Sabetfakhri, A Butterworth, Jm Gwenlan, C Hall Wilton, R Jones, Tw Lightwood, Ms Ciborowski, J Ciesielski, R Nowak, Rj Pawlak, Jm Smalska, B Sztuk, J Tymieniecka, T Ukleja, A Ukleja, J Zarnecki, Af Adamus, M Plucinski, P Eisenberg, Y Gladilin, Lk Hochman, D Karshon, U Kcira, D Lammers, S Li, L Reeder, Dd Savin, Aa Smith, Wh Deshpande, A Dhawan, S Hughes, Vw Straub, Pb Bhadra, S Catterall, Cd Fourletov, S Menary, S Soares, M Standage, J. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2003
Rivista:	NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
Handle:	http://hdl.handle.net/11386/1064695
Appare nelle tipologie:	1.1.1 Articolo su rivista con DOI

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