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Titolo:
ZEUS results on the measurement and phenomenology of F-2 at low x and low Q(2)
Autore:
Breitweg, J; Chekanov, S; Derrick, M; Krakauer, D; Magill, S; Mikunas, D; Musgrave, B; Repond, J; Stanek, R; Talaga, RL; Yoshida, R; Zhang, H; Mattingly, MCK; Abbiendi, G; Anselmo, F; Antonioli, P; Bari, G; Basile, M; Bellagamba, L; Boscherini, D; Bruni, A; Bruni, G; Romeo, GC; Castellini, G; Cifarelli, L; Cindolo, F; Contin, A; Coppola, N; Corradi, M; De Pasquale, S; Giusti, P; Iacobucci, G; Laurenti, G; Levi, G; Margotti, A; Massam, T; Nania, R; Palmonari, F; Pesci, A; Polini, A; Sartorelli, G; Garcia, YZ; Zichichi, A; Amelung, C; Bornheim, A; Brock, I; Coboken, K; Crittenden, J; Deffner, R; Eckert, M; Grothe, M; Hartmann, H; Heinloth, K; Heinz, L; Hilger, E; Jakob, HP; Kappes, A; Katz, UF; Kerger, R; Paul, E; Pfeiffer, M; Schnurbusch, H; Weber, A; Wieber, H; Bailey, DS; Barret, O; Cottingham, WN; Foster, B; Hall-Wilton, R; Heath, GP; Heath, HF; McFall, JD; Piccioni, D; Roff, DG; Scott, J; Tapper, RJ; Capua, M; Iannotti, L; Mastroberardino, A; Schioppa, M; Susinno, G; Kim, JY; Lee, JH; Lim, IT; Pac, MY; Caldwell, A; Cartiglia, N; Jing, Z; Liu, W; Mellado, B; Parsons, JA; Ritz, D; Sampson, S; Sciulli, F; Straub, PB; Zhu, Q; Borzemski, P; Chwastowski, J; Eskreys, A; Figiel, J; Klimek, K; Przybycien, MB; Zawiejski, L; Adamczyk, L; Bednarek, B; Bukowy, M; Czermak, AM; Jelen, K; Kisielewska, D; Kowalski, T; Przybycien, M; Rulikowska-Zarebska, E; Suszycki, L; Zajac, J; Dulinski, Z; Kotanski, A; Bauerdick, LAT; Behrens, U; Beier, H; Bienlein, JK; Desler, K; Drews, G; Fricke, U; Goebel, F; Gottlicher, P; Graciani, R; Haas, T; Hain, W; Hartner, GF; Hasell, D; Hebbel, K; Johnson, KF; Kasemann, M; Koch, W; Kotz, U; Kowalski, H; Lindemann, L; Lohr, B; Martinez, M; Milewski, J; Milite, M; Monteiro, T; Notz, D; Pellegrino, A; Pelucchi, F; Piotrzkowski, K; Rohde, M; Roldan, J; Ryan, JJ; Saull, PRB; Savin, AA; Schneekloth, U; Schwarzer, O; Selonke, F; Sievers, M; Stonjek, S; Surrow, B; Tassi, E; Westphal, D; Wolf, G; Wollmer, U; Youngman, C; Zeuner, W; Burow, BD; Coldewey, C; Grabosch, HJ; Meyer, A; Schlenstedt, S; Barbagli, G; Gallo, E; Pelfer, P; Maccarrone, G; Votano, L; Bamberger, A; Eisenhardt, S; Markun, P; Raach, H; Trefzger, T; Wolfle, S; Bromley, JT; Brook, NH; Bussey, PJ; Doyle, AT; Lee, SW; Macdonald, N; McCance, GJ; Saxon, DH; Sinclair, LE; Skillicorn, IO; Strickland, E; Waugh, R; Bohnet, I; Gendner, N; Holm, U; Meyer-Larsen, A; Salehi, H; Wick, K; Garfagnini, A; Gialas, I; Gladilin, LK; Kcira, D; Klanner, R; Lohrmann, E; Poelz, G; Zetsche, F; Bacon, TC; Butterworth, I; Cole, JE; Howell, G; Lamberti, L; Long, KR; Miller, DB; Pavel, N; Prinias, A; Sedgbeer, JK; Sideris, D; Walker, R; Mallik, U; Wang, SM; Wu, JT; Cloth, P; Filges, D; Ishii, T; Kuze, M; Suzuki, I; Tokushuku, K; Yamada, S; Yamauchi, K; Yamazaki, Y; Hong, SJ; Lee, SB; Nam, SW; Park, SK; Lim, H; Park, IH; Son, D; Barreiro, F; Fernandez, JP; Garcia, G; Glasman, C; Hernandez, JM; Hervas, L; Labarga, L; del Peso, J; Puga, J; Redondo, I; Terron, J; de Troconiz, JF; Corriveau, F; Hanna, DS; Hartmann, J; Murray, WN; Ochs, A; Riveline, M; Stairs, DG; St-Laurent, M; Tsurugai, T; Bashkirov, V; Dolgoshein, BA; Stifutkin, A; Bashindzhagyan, GL; Ermolov, PF; Golubkov, YA; Khein, LA; Korotkova, NA; Korzhavina, IA; Kuzmin, VA; Lukina, OY; Proskuryakov, AS; Shcheglova, LM; Solomin, AN; Zotkin, SA; Bokel, C; Botje, M; Brummer, N; Engelen, J; Koffeman, E; Kooijman, P; van Sighem, A; Tiecke, H; Tuning, N; Verkerke, W; Vossebeld, J; Wiggers, L; de Wolf, E; Acosta, D; Bylsma, B; Durkin, LS; Gilmore, J; Ginsburg, CM; Kim, CL; Ling, TY; Nylander, P; Romanowski, TA; Blaikley, HE; Cashmore, RJ; Cooper-Sarkar, AM; Devenish, RCE; Edmonds, JK; Grosse-Knetter, J; Harnew, N; Nath, C; Noyes, VA; Quadt, A; Ruske, O; Tickner, JR; Walczak, R; Waters, DS; Bertolin, A; Brugnera, R; Carlin, R; Dal Corso, F; Dosselli, U; Limentani, S; Morandin, M; Posocco, M; Stanco, L; Stroili, R; Voci, C; Oh, BY; Okrasinski, JR; Toothacker, WS; Whitmore, JJ; Iga, Y; DAgostini, G; Marini, G; Nigro, A; Raso, M; Hart, JC; McCubbin, NA; Shah, TP; Epperson, D; Heusch, C; Rahn, JT; Sadrozinski, HFW; Seiden, A; Wichmann, R; Williams, DC; Abramowicz, H; Briskin, G; Dagan, S; Kananov, S; Levy, A; Abe, T; Fusayasu, T; Inuzuka, M; Nagano, K; Umemori, K; Yamashita, T; Hamatsu, R; Hirose, T; Homma, K; Kitamura, S; Matsushita, T; Nishimura, T; Arneodo, M; Cirio, R; Costa, M; Ferrero, MI; Maselli, S; Monaco, V; Peroni, C; Petrucci, MC; Ruspa, M; Dardo, M; Bailey, DC; Fagerstroem, CP; Galea, R; Koop, R; Levman, GM; Martin, JF; Orr, RS; Polenz, S; Sabetfakhri, A; Simmons, D; Butterworth, JM; Catterall, CD; Hayes, ME; Heaphy, EA; Jones, TW; Lane, JB; Saunders, RL; Sutton, MR; Wing, M; Ciborowski, J; Grzelak, G; Nowak, RJ; Pawlak, JM; Pawlak, R; Smalska, B; Tymieniecka, T; Wroblewski, AK; Zakrzewski, JA; Zarnecki, AF; Adamus, M; Deppe, O; Eisenberg, Y; Hochman, D; Karshon, U; Badgett, WF; Chapin, D; Cross, R; Foudas, C; Mattingly, S; Reeder, DD; Smith, WH; Vaiciulis, A; Wildschek, T; Wodarczyk, M; Deshpande, A; Dhawan, S; Hughes, VW; Bhadra, S; Frisken, WR; Khakzad, M; Schmidke, WB;
Indirizzi:
Argonne Natl Lab, Argonne, IL 60439 USA Argonne Natl Lab Argonne IL USA 60439 nne Natl Lab, Argonne, IL 60439 USA Andrews Univ, Berrien Springs, MI 49104 USA Andrews Univ Berrien Springs MI USA 49104 , Berrien Springs, MI 49104 USA Univ Bologna, Bologna, Italy Univ Bologna Bologna ItalyUniv Bologna, Bologna, Italy Ist Nazl Fis Nucl, I-40126 Bologna, Italy Ist Nazl Fis Nucl Bologna Italy I-40126 Fis Nucl, I-40126 Bologna, Italy Univ Bonn, Inst Phys, D-5300 Bonn, Germany Univ Bonn Bonn Germany D-5300Univ Bonn, Inst Phys, D-5300 Bonn, Germany Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England Univ Bristol Bristol Avon England BS8 1TL Bristol BS8 1TL, Avon, England Univ Calabria, Dept Phys, Ist Nazl Fis Nucl, I-87036 Cosenza, Italy Univ Calabria Cosenza Italy I-87036 azl Fis Nucl, I-87036 Cosenza, Italy Chonnam Natl Univ, Kwangju 500757, South Korea Chonnam Natl Univ KwangjuSouth Korea 500757 Kwangju 500757, South Korea Columbia Univ, Nevis Labs, Irvington On Hudson, NY USA Columbia Univ Irvington On Hudson NY USA bs, Irvington On Hudson, NY USA Inst Nucl Phys, Krakow, Poland Inst Nucl Phys Krakow PolandInst Nucl Phys, Krakow, Poland Acad Min & Met, Fac Phys & Nucl Tech, Krakow, Poland Acad Min & Met Krakow Poland Met, Fac Phys & Nucl Tech, Krakow, Poland Jagiellonian Univ, Inst Phys, Krakow, Poland Jagiellonian Univ Krakow Poland llonian Univ, Inst Phys, Krakow, Poland DESY, D-2000 Hamburg, Germany DESY Hamburg Germany D-2000DESY, D-2000 Hamburg, Germany DESY, IfH Zeuthen, Zeuthen, Germany DESY Zeuthen GermanyDESY, IfH Zeuthen, Zeuthen, Germany Univ Florence, Florence, Italy Univ Florence Florence ItalyUniv Florence, Florence, Italy Ist Nazl Fis Nucl, I-50125 Florence, Italy Ist Nazl Fis Nucl Florence Italy I-50125 s Nucl, I-50125 Florence, Italy Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy Ist Nazl FisNucl Frascati Italy I-00044 ascati, I-00044 Frascati, Italy Univ Freiburg, Fak Phys, D-7800 Freiburg, Germany Univ Freiburg FreiburgGermany D-7800 Fak Phys, D-7800 Freiburg, Germany Univ Glasgow, Dept Phys & Astron, Glasgow, Lanark, Scotland Univ Glasgow Glasgow Lanark Scotland & Astron, Glasgow, Lanark, Scotland Univ Hamburg, Inst Expt Phys 1, Hamburg, Germany Univ Hamburg Hamburg Germany amburg, Inst Expt Phys 1, Hamburg, Germany Univ Hamburg, Inst Expt Phys 2, D-2000 Hamburg, Germany Univ Hamburg Hamburg Germany D-2000 Expt Phys 2, D-2000 Hamburg, Germany Univdon,don Imperial Coll Sci Technol & Med, High Energy Nucl Phys Grp, Lon Univ London Imperial Coll Sci Technol & Med London England hys Grp, Lon Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA Univ Iowa Iowa City IA USA 52242 t Phys & Astron, Iowa City, IA 52242 USA KFA Julich GmbH, Forschungszentrum, Inst Kernphys, D-5170 Julich, Germany KFA Julich GmbH Julich Germany D-5170 t Kernphys, D-5170 Julich, Germany KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki, Japan KEK Tsukuba Ibaraki Japan rticle & Nucl Studies, Tsukuba, Ibaraki, Japan Korea Univ, Seoul 136701, South Korea Korea Univ Seoul South Korea 136701 orea Univ, Seoul 136701, South Korea Kyungpook Natl Univ, Taegu 702701, South Korea Kyungpook Natl Univ TaeguSouth Korea 702701 , Taegu 702701, South Korea Univ Autonoma Madrid, Dept Fis Teor, Madrid, Spain Univ Autonoma Madrid Madrid Spain Madrid, Dept Fis Teor, Madrid, Spain McGill Univ, Dept Phys, Montreal, PQ, Canada McGill Univ Montreal PQ Canada ill Univ, Dept Phys, Montreal, PQ, Canada Meiji Gakuin Univ, Fac Gen Educ, Yokohama, Kanagawa, Japan Meiji Gakuin Univ Yokohama Kanagawa Japan duc, Yokohama, Kanagawa, Japan Moscow Phys Engn Inst, Moscow, Russia Moscow Phys Engn Inst Moscow Russia scow Phys Engn Inst, Moscow, Russia Moscow State Univ, Inst Phys Nucl, Moscow, Russia Moscow State Univ Moscow Russia te Univ, Inst Phys Nucl, Moscow, Russia NIKHEF H, NL-1009 DB Amsterdam, Netherlands NIKHEF H Amsterdam Netherlands NL-1009 DB 1009 DB Amsterdam, Netherlands Univ Amsterdam, Amsterdam, Netherlands Univ Amsterdam Amsterdam Netherlands Amsterdam, Amsterdam, Netherlands Ohio State Univ, Dept Phys, Columbus, OH 43210 USA Ohio State Univ Columbus OH USA 43210 , Dept Phys, Columbus, OH 43210 USA Univ Oxford, Dept Phys, Oxford, England Univ Oxford Oxford EnglandUniv Oxford, Dept Phys, Oxford, England Univ Padua, Dipartimento Fis, Padua, Italy Univ Padua Padua ItalyUniv Padua, Dipartimento Fis, Padua, Italy Ist Nazl Fis Nucl, Padua, Italy Ist Nazl Fis Nucl Padua ItalyIst Nazl Fis Nucl, Padua, Italy Penn State Univ, Dept Phys, University Pk, PA 16802 USA Penn State Univ University Pk PA USA 16802 s, University Pk, PA 16802 USA Polytech Univ, Sagamihara, Kanagawa, Japan Polytech Univ Sagamihara Kanagawa Japan niv, Sagamihara, Kanagawa, Japan Univ La Sapienza, Dipartimento Fis, I-00185 Rome, Italy Univ La Sapienza Rome Italy I-00185 ipartimento Fis, I-00185 Rome, Italy Ist Nazl Fis Nucl, Rome, Italy Ist Nazl Fis Nucl Rome ItalyIst Nazl Fis Nucl, Rome, Italy Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England Rutherford Appleton Lab Didcot Oxon England OX11 0QX 1 0QX, Oxon, England Univ Calif Santa Cruz, Santa Cruz, CA 95064 USA Univ Calif Santa Cruz Santa Cruz CA USA 95064 z, Santa Cruz, CA 95064 USA TelTeliv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Phys, IL-69978Tel Aviv Univ Tel Aviv Israel IL-69978 Fac Exact Sci, Sch Phys, IL-69978 Univ Tokyo, Dept Phys, Tokyo 113, Japan Univ Tokyo Tokyo Japan 113Univ Tokyo, Dept Phys, Tokyo 113, Japan Tokyo Metropolitan Univ, Dept Phys, Tokyo, Japan Tokyo Metropolitan Univ Tokyo Japan litan Univ, Dept Phys, Tokyo, Japan Univ Turin, Dipartimento Fis Sperimentale, Turin, Italy Univ Turin TurinItaly rin, Dipartimento Fis Sperimentale, Turin, Italy Ist Nazl Fis Nucl, I-10125 Turin, Italy Ist Nazl Fis Nucl Turin Italy I-10125 azl Fis Nucl, I-10125 Turin, Italy Ist Nazl Fis Nucl, Alessandria, Italy Ist Nazl Fis Nucl Alessandria Italy t Nazl Fis Nucl, Alessandria, Italy Univ Turin, Fac Sci 2, Alessandria, Italy Univ Turin Alessandria ItalyUniv Turin, Fac Sci 2, Alessandria, Italy Univ Toronto, Dept Phys, Toronto, ON, Canada Univ Toronto Toronto ON Canada v Toronto, Dept Phys, Toronto, ON, Canada Univ Coll London, Dept Phys & Astron, London, England Univ Coll London London England on, Dept Phys & Astron, London, England Warsaw Univ, Inst Expt Phys, Warsaw, Poland Warsaw Univ Warsaw PolandWarsaw Univ, Inst Expt Phys, Warsaw, Poland Inst Nucl Studies, PL-00681 Warsaw, Poland Inst Nucl Studies Warsaw Poland PL-00681 tudies, PL-00681 Warsaw, Poland Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, Israel Weizmann Inst Sci Rehovot Israel IL-76100 Phys, IL-76100 Rehovot, Israel Univ Wisconsin, Dept Phys, Madison, WI 53706 USA Univ Wisconsin Madison WI USA 53706 sin, Dept Phys, Madison, WI 53706 USA Yale Univ, Dept Phys, New Haven, CT USA Yale Univ New Haven CT USAYale Univ, Dept Phys, New Haven, CT USA York Univ, Dept Phys, N York, ON M3J 1P3, Canada York Univ N York ON Canada M3J 1P3 Dept Phys, N York, ON M3J 1P3, Canada CNR, IROE, I-50127 Florence, Italy CNR Florence Italy I-50127CNR, IROE, I-50127 Florence, Italy DESY, D-2000 Hamburg, Germany DESY Hamburg Germany D-2000DESY, D-2000 Hamburg, Germany Univ Tokyo, Tokyo, Japan Univ Tokyo Tokyo JapanUniv Tokyo, Tokyo, Japan
Titolo Testata:
EUROPEAN PHYSICAL JOURNAL C
fascicolo: 4, volume: 7, anno: 1999,
pagine: 609 - 630
SICI:
1434-6044(199903)7:4<609:ZROTMA>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
STRUCTURE-FUNCTION F-2(X,Q(2)); DEUTERON STRUCTURE FUNCTIONS; PROTON STRUCTURE FUNCTIONS; HIGH-ENERGY COLLISIONS; OF-MASS ENERGY; PARTON DISTRIBUTIONS; QUANTUM CHROMODYNAMICS; PERTURBATION-THEORY; MUON SCATTERING; CROSS-SECTIONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
87
Recensione:
Indirizzi per estratti:
Indirizzo: Breitweg, J Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA Argonne Natl Lab 9700 S Cass Ave Argonne IL USA 60439 0439 USA
Citazione:
J. Breitweg et al., "ZEUS results on the measurement and phenomenology of F-2 at low x and low Q(2)", EUR PHY J C, 7(4), 1999, pp. 609-630

Abstract

Measurements of the proton structure function F-2 for 0.6 < Q(2) < 17 GeV2and 1.2 x 10(-5) < x < 1.9 x 10(-3) from ZEUS 1995 shifted vertex data arepresented. From ZEUS F-2 data the slopes dF(2)/dln Q(2) at fixed x and dlnF(2)/dln(1/x) for x < 0.01 at fixed Q(2) are derived. For the latter, E665 data are also used. The transition region in Q(2) is explored using the simplest non-perturbative models and NLO QCD. The data at very low Q(2) less than or equal to 0.65 GeV2 are described successfully by a combination of generalised vector meson dominance and Regge theory. From a NLO QCD fit to ZEUS data the gluon density in the proton is extracted in the range 3 x 10(-5) < x < 0.7. Data from NMC and BCDMS constrain the fit at large x. Assumingthe NLO QCD description to be valid down to Q(2) similar to 1 GeV2, it is found that the q (q) over bar sea distribution is still rising at small x and the lowest Q(2) values whereas the gluon distribution is strongly suppressed.

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Documento generato il 26/11/20 alle ore 19:42:04