Photoproduction with a leading proton at HERA

Adloff, C; Andreev, V; Andrieu, B; Anthonis, T; Arkadov, V; Astvatsatourov, A; Ayyaz, I; Babaev, A; Bahr, J; Baranov, P; Barrelet, E; Bartel, W; Bate, P; Beglarian, A; Behnke, O; Beier, C; Belousov, A; Benisch, T; Berger, C; Berndt, T; Bizot, JC; Boudry, V; Braunschweig, W; Brisson, V; Broker, H-B; Brown, DP; Bruckner, W; Bruel, P; Bruncko, D; Burger, J; Busser, FW; Bunyatyan, A; Burkhardt, H; Burrage, A; Buschhorn, G; Campbell, AJ; Cao, J; Carli, T; Caron, S; Chabert, E; Clarke, D; Clerbaux, B; Collard, C; Contreras, JG; Coppens, YR; Coughlan, JA; Cousinou, M-C; Cox, BE; Cozzika, G; Cvach, J; Dainton, JB; Dau, WD; Daum, K; Davidsson, M; Delcourt, B; Delerue, N; Demirchyan, R; de Roeck, A; DeWolf, EA; Diaconu, C; Dixon, P; Dodonov, V; Dowell, JD; Droutskoi, A; Duprel, C; Eckerlin, G; Eckstein, D; Efremenko, V; Egli, S; Eichler, R; Eisele, F; Eisenhandler, E; Ellerbrock, M; Elsen, E; Erdmann, M; Erdmann, W; Faulkner, PJW; Favart, L; Fedotov, A; Felst, R; Ferencei, J; Ferron, S; Fleischer, M; Fleming, YH; Flugge, G; Fomenko, A; Foresti, I; Formanek, J; Foster, JM; Franke, G; Gabathuler, E; Gabathuler, K; Garvey, J; Gassner, J; Gayler, J; Gerhards, R; Ghazaryan, S; Goerlich, L; Gogitidze, N; Goldberg, M; Goodwin, C; Grab, C; Grassler, H; Greenshaw, T; Grindhammer, G; Hadig, T; Haidt, D; Hajduk, L; Haynes, WJ; Heinemann, B; Heinzelmann, G; Henderson, RCW; Hengstmann, S; Henschel, H; Heremans, R; Herrera, G; Herynek, I; Hildebrandt, M; Hilgers, M; Hiller, KH; Hladky, J; Hoting, P; Hoffmann, D; Horisberger, R; Hurling, S; Ibbotson, M; Issever, C; Jacquet, M; Jaffre, M; Janauschek, L; Jansen, DM; Janssen, X; Jemanov, V; Jonsson, L; Johnson, DP; Jones, MAS; Jung, H; Kastli, HK; Kant, D; Kapichine, M; Karlsson, M; Karschnick, O; Keil, F; Keller, N; Kennedy, J; Kenyon, IR; Kermiche, S; Kiesling, C; Kjellberg, P; Klein, M; Kleinwort, C; Knies, G; Koblitz, B; Kolya, SD; Korbel, V; Kostka, P; Kotelnikov, SK; Koutouev, R; Koutov, A; Krasny, MW; Krehbiel, H; Kroseberg, J; Kruger, K; Kupper, A; Kuhr, T; Kurca, T; Lahmann, R; Lamb, D; Landon, MPJ; Lange, W; Lastovicka, T; Laycock, P; Lebailly, E; Lebedev, A; Leissner, B; Lemrani, R; Lendermann, V; Levonian, S; Lindstroem, M; List, B; Lobodzinska, E; Lobodzinski, B; Loginov, A; Loktionova, N; Lubimov, V; Luders, S; Luke, D; Lytkin, L; Magnussen, N; Mahlke-Kruger, H; Malden, N; Malinovski, E; Malinovski, I; Maracek, R; Marage, P; Marks, J; Marshall, R; Martyn, H-U; Martyniak, J; Maxfield, SJ; Mehta, A; Meier, K; Merkel, P; Meyer, AB; Meyer, H; Meyer, J; Meyer, P-O; Mikocki, S; Milstead, D; Mkrtchyan, T; Mohr, R; Mohrdieck, S; Mondragon, MN; Moreau, F; Morozov, A; Morris, JV; Muller, K; Murin, P; Nagovizin, V; Naroska, B; Naumann, J; Naumann, Th; Nellen, G; Newman, PR; Nicholls, TC; Niebergall, F; Niebuhr, C; Nix, O; Nowak, G; Nunnemann, T; Olsson, JE; Ozerov, D; Panassik, V; Pascaud, C; Patel, GD; Perez, E; Phillips, JP; Pitzl, D; Poschl, R; Potachnikova, I; Povh, B; Rabbertz, K; Radel, G; Rauschenberger, J; Reimer, P; Reisert, B; Reyna, D; Riess, S; Risler, C; Rizvi, E; Robmann, P; Roosen, R; Rostovtsev, A; Royon, C; Rusakov, S; Rybicki, K; Sankey, DPC; Scheins, J; Schilling, F-P; Schleper, P; Schmidt, D; Schmidt, D; Schmitt, S; Schoeffel, L; Schoning, A; Schorner, T; Schroder, V; Schultz-Coulon, H-C; Schwanenberger, C; Sedlak, K; Sefkow, F; Shekelyan, V; Sheviakov, I; Shtarkov, LN; Sievers, P; Sirois, Y; Sloan, T; Smirnov, P; Solochenko, V; Soloviev, Y; Spaskov, V; Specka, A; Spitzer, H; Stamen, R; Steinhart, J; Stella, B; Stellberger, A; Stiewe, J; Straumann, U; Struczinski, W; Swart, M; Tasevsky, M; Tchernyshov, V; Tchetchelnitski, S; Thompson, G; Thompson, PD; Tobien, N; Traynor, D; Truol, P; Tsipolitis, G; Tsurin, I; Turnau, J; Turney, JE; Tzamariudaki, E; Udluft, S; Usik, A; Valkar, S; Valkarova, A; Vallee, C; van Mechelen, P; Vassiliev, S; Vazdik, Y; Vichnevski, A; Wacker, K; Wallny, R; Walter, T; Waugh, B; Weber, G; Weber, M; Wegener, D; Werner, M; White, G; Wiesand, S; Wilksen, T; Winde, M; Winter, G-G; Wissing, Ch; Wobisch, M; Wollatz, H; Wunsch, E; Wyatt, AC; Zacek, J; Zalesak, J; Zhang, Z; Zhokin, A; Zomer, F; Zsembery, J; zur Nedden, M

dc.contributor.author	Adloff, C	en
dc.contributor.author	Andreev, V	en
dc.contributor.author	Andrieu, B	en
dc.contributor.author	Anthonis, T	en
dc.contributor.author	Arkadov, V	en
dc.contributor.author	Astvatsatourov, A	en
dc.contributor.author	Ayyaz, I	en
dc.contributor.author	Babaev, A	en
dc.contributor.author	Bahr, J	en
dc.contributor.author	Baranov, P	en
dc.contributor.author	Barrelet, E	en
dc.contributor.author	Bartel, W	en
dc.contributor.author	Bate, P	en
dc.contributor.author	Beglarian, A	en
dc.contributor.author	Behnke, O	en
dc.contributor.author	Beier, C	en
dc.contributor.author	Belousov, A	en
dc.contributor.author	Benisch, T	en
dc.contributor.author	Berger, C	en
dc.contributor.author	Berndt, T	en
dc.contributor.author	Bizot, JC	en
dc.contributor.author	Boudry, V	en
dc.contributor.author	Braunschweig, W	en
dc.contributor.author	Brisson, V	en
dc.contributor.author	Broker, H-B	en
dc.contributor.author	Brown, DP	en
dc.contributor.author	Bruckner, W	en
dc.contributor.author	Bruel, P	en
dc.contributor.author	Bruncko, D	en
dc.contributor.author	Burger, J	en
dc.contributor.author	Busser, FW	en
dc.contributor.author	Bunyatyan, A	en
dc.contributor.author	Burkhardt, H	en
dc.contributor.author	Burrage, A	en
dc.contributor.author	Buschhorn, G	en
dc.contributor.author	Campbell, AJ	en
dc.contributor.author	Cao, J	en
dc.contributor.author	Carli, T	en
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dc.contributor.author	Coughlan, JA	en
dc.contributor.author	Cousinou, M-C	en
dc.contributor.author	Cox, BE	en
dc.contributor.author	Cozzika, G	en
dc.contributor.author	Cvach, J	en
dc.contributor.author	Dainton, JB	en
dc.contributor.author	Dau, WD	en
dc.contributor.author	Daum, K	en
dc.contributor.author	Davidsson, M	en
dc.contributor.author	Delcourt, B	en
dc.contributor.author	Delerue, N	en
dc.contributor.author	Demirchyan, R	en
dc.contributor.author	de Roeck, A	en
dc.contributor.author	DeWolf, EA	en
dc.contributor.author	Diaconu, C	en
dc.contributor.author	Dixon, P	en
dc.contributor.author	Dodonov, V	en
dc.contributor.author	Dowell, JD	en
dc.contributor.author	Droutskoi, A	en
dc.contributor.author	Duprel, C	en
dc.contributor.author	Eckerlin, G	en
dc.contributor.author	Eckstein, D	en
dc.contributor.author	Efremenko, V	en
dc.contributor.author	Egli, S	en
dc.contributor.author	Eichler, R	en
dc.contributor.author	Eisele, F	en
dc.contributor.author	Eisenhandler, E	en
dc.contributor.author	Ellerbrock, M	en
dc.contributor.author	Elsen, E	en
dc.contributor.author	Erdmann, M	en
dc.contributor.author	Erdmann, W	en
dc.contributor.author	Faulkner, PJW	en
dc.contributor.author	Favart, L	en
dc.contributor.author	Fedotov, A	en
dc.contributor.author	Felst, R	en
dc.contributor.author	Ferencei, J	en
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dc.contributor.author	Koutouev, R	en
dc.contributor.author	Koutov, A	en
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dc.contributor.author	Kroseberg, J	en
dc.contributor.author	Kruger, K	en
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dc.contributor.author	Loktionova, N	en
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dc.contributor.author	Wegener, D	en
dc.contributor.author	Werner, M	en
dc.contributor.author	White, G	en
dc.contributor.author	Wiesand, S	en
dc.contributor.author	Wilksen, T	en
dc.contributor.author	Winde, M	en
dc.contributor.author	Winter, G-G	en
dc.contributor.author	Wissing, Ch	en
dc.contributor.author	Wobisch, M	en
dc.contributor.author	Wollatz, H	en
dc.contributor.author	Wunsch, E	en
dc.contributor.author	Wyatt, AC	en
dc.contributor.author	Zacek, J	en
dc.contributor.author	Zalesak, J	en
dc.contributor.author	Zhang, Z	en
dc.contributor.author	Zhokin, A	en
dc.contributor.author	Zomer, F	en
dc.contributor.author	Zsembery, J	en
dc.contributor.author	zur Nedden, M	en
dc.date.accessioned	2014-03-01T01:16:57Z
dc.date.available	2014-03-01T01:16:57Z
dc.date.issued	2001	en
dc.identifier.issn	0550-3213	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/14284
dc.subject	12.40.Nn	en
dc.subject.classification	Physics, Particles & Fields	en
dc.subject.other	DEEP-INELASTIC SCATTERING	en
dc.subject.other	DIFFRACTION DISSOCIATION	en
dc.subject.other	(P)OVER-BAR-P COLLISIONS	en
dc.subject.other	CROSS-SECTIONS	en
dc.subject.other	H1	en
dc.title	Photoproduction with a leading proton at HERA	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/S0550-3213(01)00544-2	en
heal.identifier.secondary	http://dx.doi.org/10.1016/S0550-3213(01)00544-2	en
heal.language	English	en
heal.publicationDate	2001	en
heal.abstract	The total cross section for the photoproduction process with a leading proton in the final state has been measured at yp centre-of-mass energies W of 91, 181 and 231 GeV. The measured cross sections apply to the kinematic range with the transverse momentum of the scattered proton restricted to P-T less than or equal to 0.2 GeV and 0.68 less than or equal to z less than or equal to 0.88, where z = E'(p)/E-p is the scattered proton energy normalised to the beam energy. The cross section d sigma (gammap-->Xp')(W, z)/dz is observed to be independent of W and z within the measurement errors and amounts to (8.05 +/- 0.06 (stat) +/- 0.89 (syst)) Pb on average. The data are well described by a Triple Regge model in which the process is mediated by a mixture of exchanges with an effective Regge trajectory of intercept alpha (i)(0) = 0.33 +/- 0.04 (stat) +/-0.04 (syst). The total cross section for the interaction of the photon with this mixture (gamma alpha (i) --> X) can be described by an effective trajectory of intercept alpha (k) (0) = 0.99 +/- 0.01 (stat) +/- 0.05 (syst). Predictions based on previous triple Regge analyses of pp --> pX data assuming vertex factorisation are broadly consistent with the yp data. The measured cross sections are compared with deep inelastic scattering leading proton data in the same region of z and p(T) for photon virtuality Q(2) > 2.5 GeV2. The ratio of the cross section for leading proton production to the total cross section is found to rise with Q(2). (C) 2001 Elsevier Science B.V. All rights reserved.	en
heal.publisher	ELSEVIER SCIENCE BV	en
heal.journalName	Nuclear Physics B	en
dc.identifier.doi	10.1016/S0550-3213(01)00544-2	en
dc.identifier.isi	ISI:000172863300001	en
dc.identifier.volume	619	en
dc.identifier.issue	1-3	en
dc.identifier.spage	3	en
dc.identifier.epage	21	en