ZEUS results on the measurement and phenomenology of F2 at low cursive greek chi and low Q2
European Physical Journal C 7:4 (1999) 609-630
Authors:
J Breitweg, S Chekanov, M Derrick, D Krakauer, S Magill, D Mikunas, B Musgrave, J Repond, R Stanek, RL Talaga, R Yoshida, H Zhang, MCK Mattingly, G Abbiendi, F Anselmo, P Antonioli, G Bari, M Basile, L Bellagamba, D Boscherini, A Bruni, G Bruni, G Cara Romeo, G Castellini, L Cifarelli, F Cindolo, A Contin, N Coppola, M Corradi, S de Pasquale, P Giusti, G Iacobucci, G Laurenti, G Levi, A Margotti, T Massam, R Nania, F Palmonari, A Pesci, A Polini, G Sartorelli, Y Zamora Garcia, A Zichichi, C Amelung, A Bornheim, I Brock, K Coböken, J Crittenden, R Deffner, M Eckert, M Grothe, H Hartmann, K Heinloth, L Heinz, E Hilger, HP Jakob, A Kappes, UF Katz, R Kerger, E Paul, M Pfeiffer, H Schnurbusch, A Weber, H Wieber, DS Bailey, O Barret, WN Cottingham, B Foster, R Hall-Wilton, GP Heath, HF Heath, JD McFall, D Piccioni, DG Roff, J Scott, RJ Tapper, M Capua, L Iannotti, A Mastroberardino, M Schioppa, G Susinno, JY Kim, JH Lee, IT Lim, MY Pac, A Caldwell, N Cartiglia, Z Jing, W Liu, B Mellado, JA Parsons, S Ritz, S Sampson, F Sciulli, PB Straub, Q Zhu, P Borzemski, J Chwastowski, A Eskreys, J FigielAbstract:
Measurements of the proton structure function F2 for 0.6 < Q2 < 17 GeV2 and 1.2 × 10-5 < cursive Greek chi < 1.9 × 10 -3 from ZEUS 1995 shifted vertex data are presented. From ZEUS F2 data the slopes dF2/d ln Q2 at fixed cursive Greek chi and din F2/d ln(1/cursive Greek chi) for cursive Greek chi < 0.01 at fixed Q2 are derived. For the latter, E665 data are also used. The transition region in Q2 is explored using the simplest non-perturbative models and NLO QCD. The data at very low Q2 ≤ 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 × 10-5 < cursive Greek chi < 0.7. Data from NMC and BCDMS constrain the fit at large cursive Greek chi. Assuming the NLO QCD description to be valid down to Q2 ∼ 1 GeV2, it is found that the qq̄ sea distribution is still rising at small cursive Greek chi and the lowest Q2 values whereas the gluon distribution is strongly suppressed.Determination of the absolute jet energy scale in the DO calorimeters
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 424:2-3 (1999) 352-394
Authors:
B Abbott, M Abolins, BS Acharya, I Adam, DL Adams, M Adams, S Ahn, H Aihara, GA Alves, N Amos, EW Anderson, R Astur, MM Baarmand, L Babukhadia, A Baden, V Balamurali, J Balderston, B Baldin, S Banerjee, J Bantly, E Barberis, JF Bartlett, A Belyaev, SB Beri, I Bertram, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, N Biswas, G Blazey, S Blessing, P Bloom, A Boehnlein, NI Bojko, F Borcherding, C Boswell, A Brandt, R Brock, A Bross, D Buchholz, VS Burtovoi, JM Butler, W Carvalho, D Casey, Z Casilum, H Castilla-Valdez, D Chakraborty, SM Chang, SV Chekulaev, LP Chen, W Chen, S Choi, S Chopra, BC Choudhary, JH Christenson, M Chung, D Claes, AR Clark, WG Cobau, J Cochran, L Coney, WE Cooper, C Cretsinger, D Cullen-Vidal, MAC Cummings, D Cutts, OI Dahl, K Davis, K De, K Del Signore, M Demarteau, D Denisov, SP Denisov, HT Diehl, M Diesburg, G Di Loreto, P Draper, Y Ducros, LV Dudko, SR Dugad, D Edmunds, J Ellison, VD Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, OV Eroshin, VN Evdokimov, T Fahland, MK Fatyga, S Feher, D Fein, T Ferbel, G Finocchiaro, HE Fisk, Y Fisyak, E Flattum, GE Forden, M Fortner, KC Frame, S Fuess, E Gallas, AN Galyaev, P Gartung, V Gavrilov, TL Geld, RJ Genik, K Genser, CE Gerberg, Y Gershtein, B Gibbard, S Glenn, B Gobbi, A Goldschmidt, B Gómez, G Gómez, PI Goncharov, JL GonzálezSolís, H Gordon, LT Goss, K Gounder, A Goussiou, N Graf, PD Grannis, DR Green, H Greenlee, S Grinstein, P Grudberg, S Grünendahl, G Guglielmo, JA Guida, JM Guida, A Gupta, SN Gurzhiev, G Gutierrez, P Gutierrez, NJ Hadley, H Haggerty, S Hagopian, V Hagopian, KS Hahn, RE Hall, P Hanlet, S Hansen, JM Hauptman, D Hedin, AP Heinson, U Heintz, R Hernández-Montoya, T Heuring, R Hirosky, JD Hobbs, B Hoeneisen, JS Hoftun, F Hsieh, T Hu, T Hu, T Huehn, AS Ito, E James, J Jaques, SA Jerger, R Jesik, JZY Jiang, T Joffe-Minor, K Johns, M Johnson, A Jonckheere, M Jones, H Jöstlein, SY Jun, CK Jung, S Kahn, G Kalbfleisch, JS Kang, D Karmanov, D Karmgard, R Kehoe, ML Kelly, CL Kim, SK Kim, B Klima, C Klopfenstein, JM Kohli, D Koltick, AV Kostritskiy, J Kotcher, AV Kotwal, J Kourlas, AV Kozelov, EA Kozlovsky, J Krane, MR Krishnaswamy, S Krzywdzinski, S Kuleshov, S Kunori, F Landry, G Landsberg, B Lauer, A Leflat, H Li, J Li, QZ Li-Demarteau, JGR Lima, D Lincoln, SL Linn, J Linnemann, R Lipton, YC Liu, F Lobkowicz, SC Loken, S Lökös, L Lueking, AL Lyon, AKA Maciel, RJ Madaras, R Madden, L Magaña-Mendoza, V Manankov, S Mani, HS Mao, R Markeloff, T Marshall, MI Martin, KM Mauritz, B May, AA Mayorov, R McCarthy, J McDonald, T McKibben, J McKinley, T McMahon, HL Melanson, M Merkin, KW Merritt, H Miettinen, A Mincer, CS Mishra, N Mokhov, NK Mondal, HE Montgomery, P Mooney, H da Motta, C Murphy, F Nang, M Narain, VS Narasimham, A Narayanan, HA Neal, JP Negret, P Nemethy, D Norman, L Oesch, V Oguri, E Oliveira, E Oltman, N Oshima, D Owen, P Padley, A Para, YM Park, R Partridge, N Parua, M Paterno, B Pawlik, J Perkins, M Peters, R Piegaia, H Piekarz, Y Pischalnikov, BG Pope, HB Prosper, S Protopopescu, J Qian, PZ Quintas, R Raja, S Rajagopalan, O Ramirez, L Rasmussen, S Reucroft, M Rijssenbeek, T Rockwell, M Roco, P Rubinov, R Ruchti, J Rutherfoord, A Sánchez-Hernández, A Santoro, L Sawyer, RD Schamberger, H Schellman, J Sculli, E Shabalina, C Shaffer, HC Shankar, RK Shivpuri, M Shupe, H Singh, JB Singh, V Sirotenko, W Smart, E Smith, RP Smith, R Snihur, GR Snow, J Snow, S Snyder, J Solomon, M Sosebee, N Sotnikova, M Souza, AL Spadafora, G Steinbrück, RW Stephens, ML Stevenson, D Stewart, F Stichelbaut, D Stoker, V Stolin, DA Stoyanova, H Strauss, K Streets, M Strovink, A Sznajder, P Tamburello, J Tarazi, M Tartaglia, TLT Thomas, J Thompson, TG Trippe, PM Tuts, N Varelas, EW Varnes, D Vititoe, AA Volkov, AP Vorobiev, HD Wahl, G Wang, J Warchol, G Watts, M Wayne, H Weerts, A White, JT White, JA Wightman, S Willis, SJ Wimpenny, JVD Wirjawan, J Womersley, E Won, DR Wood, H Xu, R Yamada, P Yamin, J Yang, T Yasuda, P Yepes, C Yoshikawa, S YoussefF, J Yu, Y Yu, Z Zhou, ZH Zhu, D Zieminska, A Zieminski, EG Zverev, A ZylberstejnDijet mass spectrum and a search for quark compositeness in (p)over-bar-p collisions at √s=1.8TeV
PHYSICAL REVIEW LETTERS 82:12 (1999) 2457-2462
Authors:
B Abbott, M Abolins, V Abramov, BS Acharya, I Adam, DL Adams, M Adams, S Ahn, H Aihara, GA Alves, N Amos, EW Anderson, R Astur, MM Baarmand, VV Babintsev, L Babukhadia, A Baden, V Balamurali, B Baldin, S Banerjee, J Bantly, E Barberis, P Baringer, JF Bartlett, A Belyaev, SB Beri, I Bertram, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, N Biswas, G Blazey, S Blessing, P Bloom, A Boehnlein, NI Bojko, F Borcherding, C Boswell, A Brandt, R Breedon, R Brock, A Bross, D Buchholz, VS Burtovoi, JM Butler, W Carvalho, D Casey, Z Casilum, H Castilla-Valdez, D Chakraborty, SM Chang, SV Chekulaev, LP Chen, W Chen, S Choi, S Chopra, BC Choudhary, JH Christenson, M Chung, D Claes, AR Clark, WG Cobau, J Cochran, L Coney, WE Cooper, C Cretsinger, D Cullen-Vidal, MAC Cummings, D Cutts, OI Dahl, K Davis, K De, K Del Signore, M Demarteau, D Denisov, SP Denisov, HT Diehl, M Diesburg, G Di Loreto, P Draper, Y Ducros, LV Dudko, SR Dugad, A Dyshkant, D Edmunds, J Ellison, VD Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, OV Eroshin, VN Evdokimov, T Fahland, MK Fatyga, S Feher, D Fein, T Ferbel, G Finocchiaro, HE Fisk, Y Fisyak, E Flattum, GE Forden, M Fortner, KC Frame, S Fuess, E Gallas, AN Galyaev, P Gartung, V Gavrilov, TL Geld, RJ Genik, K Genser, CE Gerber, Y Gershtein, B Gibbard, B Gobbi, B Gómez, G Gómez, PI Goncharov, JLG Solís, H Gordon, LT Goss, K Gounder, A Goussiou, N Graf, PD Grannis, DR Green, H Gleenlee, S Grinstein, P Grudberg, S Grünendahl, G Guglielmo, JA Guida, JM Guida, A Gupta, SN Gurzhiev, G Gutierrez, P Gutierrez, NJ Hadley, H Haggerty, S Hagopian, V Hagopian, KS Hahn, RE Hall, P Hanlet, S Hansen, JM Hauptman, D Hedin, AP Heinson, U Heintz, R Hernández-Montoya, T Heuring, R Hirosky, JD Hobbs, B Hoeneisen, JS Hoftun, F Hsieh, T Hu, T Hu, T Huehn, AS Ito, E James, J Jaques, SA Jerger, R Jesik, T Joffe-Minor, K Johns, M Johnson, A Jonckheere, M Jones, H Jöstlein, SY Jun, CK Jung, S Kahn, G Kalbfleisch, D Karmanov, D Karmgard, R Kehoe, ML Kelly, SK Kim, B Klima, C Klopfenstein, W Ko, JM Kohli, D Koltick, AV Kostritskiy, J Kotcher, AV Kotwal, AV Kozelov, EA Kozlovsky, J Krane, MR Krishnaswamy, S Krzywdzinski, S Kuleshov, S Kunori, F Landry, G Landsberg, B Lauer, A Leflat, J Li, QZ Li-Demarteau, JGR Lima, D Lincoln, SL Linn, J Linnemann, R Lipton, F Lobkowicz, SC Loken, A Lucotte, L Lueking, AL Lyon, AKA Maciel, RJ Madaras, R Madden, L Magaña-Mendoza, V Manankov, S Mani, HS Mao, R Markeloff, T Marshall, MI Martin, KM Mauritz, B May, AA Mayorov, R McCarthy, J McDonald, T McKibben, J McKinley, T McMahon, HL Melanson, M Merkin, KW Merritt, C Miao, H Miettinen, A Mincer, CS Mishra, N Mokhov, NK Mondal, HE Montgomery, P Mooney, M Mostafa, H da Motta, C Murphy, F Nang, M Narain, VS Narasimham, A Narayanan, HA Neal, JP Negret, P Nemethy, D Norman, L Oesch, V Oguri, E Oliveira, E Oltman, N Oshima, D Owen, P Padley, A Para, YM Park, R Partridge, N Parua, M Paterno, B Pawlik, J Perkins, M Peters, R Piegaia, H Piekarz, Y Pischalnikov, BG Pope, HB Prosper, S Protopopescu, J Qian, PZ Quintas, R Raja, S Rajagopalan, O Ramirez, S Reucroft, M Rijssenbeek, T Rockwell, M Roco, P Rubinov, R Ruchti, J Rutherfoord, A Sánchez-Hernández, A Santoro, L Sawyer, RD Schamberger, H Schellman, J Sculli, E Shabalina, C Shaffer, HC Shankar, RK Shivpuri, M Shupe, H Singh, JB Singh, V Sirotenko, E Smith, RP Smith, R Snihur, GR Snow, J Snow, S Snyder, J Solomon, M Sosebee, N Sotnikova, M Souza, AL Spadafora, G Steinbrück, RW Stephens, ML Stevenson, D Stewart, F Stichelbaut, D Stoker, V Stolin, DA Stoyanova, M Strauss, K Streets, M Strovink, A Sznajder, P Tamburello, J Tarazi, M Tartaglia, TLT Thomas, J Thompson, TG Trippe, PM Tuts, V Vaniev, N Varelas, EW Varnes, D Vititoe, AA Volkov, AP Vorobiev, HD Wahl, G Wang, J Warchol, G Watts, M Wayne, H Weerts, A White, JT White, JA Wightman, S Willis, S Wimpenny, JVD Wirjawan, J Womersley, E Won, DR Wood, Z Wu, H Xu, R Yamada, P Yamin, T Yasuda, P Yepes, K Yip, C Yoshikawa, S Youssef, J Yu, Y Yu, B Zhang, Y Zhou, Z Zhou, ZH Zhu, M Zielinski, D Zieminska, A Zieminski, EG Zverev, A ZylberstejnEvidence of color coherence effects in W plus jets events from p(p)over-bar collisions at √s=1.8 TeV
PHYSICS LETTERS B 464:1-2 (1999) 145-155
Authors:
B Abbott, M Abolins, V Abramov, BS Acharya, I Adam, DL Adams, M Adams, S Ahn, V Akimov, GA Alves, N Amos, EW Anderson, MM Baarmand, VV Babintsev, L Babukhadia, A Baden, B Baldin, S Banerjee, J Bantly, E Barberis, P Baringer, JF Bartlett, A Belyaev, SB Beri, I Bertram, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, G Blazey, S Blessing, P Bloom, A Boehnlein, NI Bojko, F Borcherding, C Boswell, A Brandt, R Breedon, G Briskin, R Brock, A Bross, D Buchholz, VS Burtovoi, JM Butler, W Carvalho, D Casey, Z Casilum, H Castilla-Valdez, D Chakraborty, KM Chan, SV Chekulaev, W Chen, DK Cho, S Choi, S Chopra, BC Choudhary, JH Christenson, M Chung, D Claes, AR Clark, WG Cobau, J Cochran, L Coney, WE Cooper, D Coppage, C Cretsinger, D Cullen-Vidal, MAC Cummings, D Cutts, OI Dahl, K Davis, K De, K Del Signore, M Demarteau, D Denisov, SP Denisov, HT Diehl, M Diesburg, G Di Loreto, P Draper, Y Ducros, LV Dudko, SR Dugad, A Dyshkant, D Edmunds, J Ellison, VD Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, OV Eroshin, J Estrada, H Evans, VN Evdokimov, T Fahland, MK Fatyga, S Feher, D Fein, T Ferbel, HE Fisk, Y Fisyak, E Flattum, GE Forden, M Fortner, KC Frame, S Fuess, E Gallas, AN Galyaev, P Gartung, V Gavrilov, TL Geld, RJ Genik, K Genser, CE Gerber, Y Gershtein, B Gibbard, G Ginther, B Gobbi, B Gómez, G Gómez, PI Goncharov, JLG Solís, H Gordon, LT Goss, K Gounder, A Goussiou, N Graf, PD Grannis, DR Green, JA Green, H Greenlee, S Grinstein, P Grudberg, S Grünendahl, G Guglielmo, JA Guida, JM Guida, A Gupta, SN Gurzhiev, G Gutierrez, P Gutierrez, NJ Hadley, H Haggerty, S Hagopian, V Hagopian, KS Hahn, RE Hall, P Hanlet, S Hansen, JM Hauptman, C Hays, C Hebert, D Hedin, AP Heinson, U Heintz, R Hernández-Montoya, T Heuring, R Hirosky, JD Hobbs, B Hoeneisen, JS Hoftun, F Hsieh, T Hu, AS Ito, J Jaques, SA Jerger, R Jesik, T Joffe-Minor, K Johns, M Johnson, A Jonckheere, M Jones, H Jöstlein, SY Jun, S Kahn, D Karmanov, D Karmgard, R Kehoe, SK Kim, B Klima, C Klopfenstein, B Knuteson, W Ko, JM Kohli, D Koltick, AV Kostritskiy, J Kotcher, AV Kotwal, AV Kozelov, EA Kozlovsky, J Krane, MR Krishnaswamy, S Krzywdzinski, M Kubantsev, S Kuleshov, Y Kulik, S Kunori, F Landry, G Landsberg, A Leflat, J Li, QZ Li, JGR Lima, D Lincoln, SL Linn, J Linnemann, R Lipton, JG Lu, A Lucotte, L Lueking, AKA Maciel, RJ Madaras, R Madden, L Magaña-Mendoza, V Manankov, S Mani, HS Mao, R Markeloff, T Marshall, MI Martin, RD Martin, KM Mauritz, B May, AA Mayorov, R McCarthy, J McDonald, T McKibben, J McKinley, T McMahon, HL Melanson, M Merkin, KW Merritt, C Miao, H Miettinen, A Mincer, CS Mishra, N Mokhov, NK Mondal, HE Montgomery, M Mostafa, H da Motta, F Nang, M Narain, VS Narasimham, A Narayanan, HA Neal, JP Negret, P Nemethy, D Norman, L Oesch, V Oguri, N Oshima, D Owen, P Padley, A Para, N Parashar, YM Park, R Partridge, N Parua, M Paterno, B Pawlik, J Perkins, M Peters, R Piegaia, H Piekarz, Y Pischalnikov, BG Pope, HB Prosper, S Protopopescu, J Qian, PZ Quintas, R Raja, S Rajagopalan, O Ramirez, NW Reay, S Reucroft, M Rijssenbeek, T Rockwell, M Roco, P Rubinov, R Ruchti, J Rutherfoord, A Sánchez-Hernández, A Santoro, L Sawyer, RD Schamberger, H Schellman, J Sculli, E Shabalina, C Shaffer, HC Shankar, RK Shivpuri, D Shpakov, M Shupe, RA Sidwell, H Singh, JB Singh, V Sirotenko, P Slattery, E Smith, RP Smith, R Snihur, GR Snow, J Snow, S Snyder, J Solomon, XF Song, M Sosebee, N Sotnikova, M Souza, NR Stanton, G Steinbrück, RW Stephens, ML Stevenson, F Stichelbaut, D Stoker, V Stolin, DA Stoyanova, M Strauss, K Streets, M Strovink, A Sznajder, P Tamburello, J Tarazi, M Tartaglia, TLT Thomas, J Thompson, D Toback, TG Trippe, PM Tuts, V Vaniev, N Varelas, EW Varnes, AA Volkov, AP Vorobiev, HD Wahl, J Warchol, G Watts, M Wayne, H Weerts, A White, JT White, JA Wightman, S Willis, SJ Wimpenny, JVD Wirjawan, J Womersley, DR Wood, R Yamada, P Yamin, T Yasuda, P Yepes, K Yip, C Yoshikawa, S Youssef, J Yu, Y Yu, M Zanabria, Z Zhou, ZH Zhu, M Zielinski, D Zieminska, A Zieminski, V Zutshi, EG Zverev, Z ZylberstejnExclusive electroproduction of ρ0 and J/ψ mesons at HERA
EUROPEAN PHYSICAL JOURNAL C 6:4 (1999) 603-627