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Search for contact interactions in deep inelastic e+p → e+X scattering at HERA

EUROPEAN PHYSICAL JOURNAL C 14:2 (2000) 239-254

Authors:

J Breitweg, S Chekanov, M Derrick, D Krakauer, S Magill, B Musgrave, A Pellegrino, J Repond, R Stanek, R Yoshida, MCK Mattingly, G Abbiendi, F Anselmo, P Antonioli, G Bari, M Basile, L Bellagamba, D Boscherini, A Bruni, G Bruni, GC 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, YZ Garcia, A Zichichi, C Amelung, A Bornheim, I Brock, K Coböken, J Crittenden, R Deffner, M Eckert, H Hartmann, K Heinloth, L Heinz, E Hilger, HP Jakob, A Kappes, UF Katz, R Kerger, E Paul, M Pfeiffer, J Rautenberg, H Schnurbusch, A Stifutkin, J Tandler, A Weber, H Wieber, DS Bailey, O Barret, WN Cottingham, B Foster, GP Heath, HF Heath, JD McFall, D Piccioni, J Scott, RJ Tapper, M Capua, A Mastroberardino, M Schioppa, G Susinno, HY Jeoung, JY Kim, JH Lee, IT Lim, KJ Ma, MY Pac, A Caldwell, N Cartiglia, Z Jing, W Liu, B Mellado, JA Parsons, S Ritz, R Sacchi, S Sampson, F Sciulli, Q Zhu, P Borzemski, J Chwastowski, A Eskreys, J Figiel, K Klimek, K Olkiewicz, MB Przybycien, L Zawiejski, L Adamczyk, B Bednarek, K Jelen, D Kisielewska, AM Kowal, T Kowalski, M Przybycien, E Rulikowska-Zarebska, L Suszycki, J Zajac, Z Dulinski, A Kotanski, LAT Bauerdick, U Behrens, JK Bienlein, C Burgard, K Desler, G Drews, A Fox-Murphy, U Fricke, F Goebel, P Göttlicher, R Graciani, T Haas, W Hain, GF Hartner, D Hasell, K Hebbel, KF Johnson, M Kasemann, W Koch, U Kötz, H Kowalski, L Lindemann, B Löhr, M Martínez, J Milewski, M Milite, T Monteiro, M Moritz, D Notz, F Pelucchi, K Piotrzkowski, M Rohde, PRB Saull, AA Savin, U Schneekloth, O Schwarzer, F Selonke, M Sievers, S Stonjek, E Tassi, G Wolf, U Wollmer, C Youngman, W Zeuner, BD Burow, C Coldewey, HJ Grabosch, ALD Viani, A Meyer, K Mönig, S Schlenstedt, PB Straub, G Barbagli, E Gallo, P Pelfer, G Maccarrone, L Votano, A Bamberger, S Eisenhardt, P Markun, H Raach, S Wölfle, NH Brook, PJ Bussey, AT Doyle, SW Lee, N Macdonald, GJ McCance, DH Saxon, LE Sinclair, IO Skillicorn, E Strickland, R Waugh, N Gendner, U Holm, A Meyer-Larsen, H Salehi, K Wick, I Gialas, LK Gladilin, D Kçira, R Klanner, E Lohrmann, G Poelz, F Zetsche, TC Bacon, JE Cole, G Howell, L Lamberti, KR Long, DB Miller, A Prinias, JK Sedgbeer, D Sideris, AD Tapper, R Walker, U Mallik, SM Wang, P Cloth, D Filges, T Ishii, M Kuze, I Suzuki, K Tokushuku, S Yamada, K Yamauchi, Y Yamazaki, SH Ahn, SH An, SJ Hong, SB Lee, SW Nam, SK Park, H Lim, IH Park, D Son, F Barreiro, JP Fernández, G García, C Glasman, JM Hernández, L Labarga, J del Peso, J Puga, I Redondo, J Terrón, F Corriveau, DS Hanna, J Hartmann, WN Murray, A Ochs, S Padhi, M Riveline, DG Stairs, M St-Laurent, M Wing, T Tsurugai, V Bashkirov, BA Dolgoshein, GL Bashindzhagyan, PF Ermolov, YA Golubkov, LA Khein, NA Korotkova, IA Korzhavina, VA Kuzmin, OY Lukina, AS Proskuryakov, LM Shcheglova, AN Solomin, SA Zotkin, M Botje, N Brümmer, J Engelen, E Koffeman, P Kooijman, A van Sighem, H Tiecke, N Tuning, JJ Velthuis, W Verkerke, J Vossebeld, L Wiggers, E de Wolf, D Acosta, B Bylsma, LS Durkin, J Gilmore, CM Ginsburg, CL Kim, TY Ling, P Nylander, HE Blaikley, S Boogert, RJ Cashmore, AM Cooper-Sarkar, RCE Devenish, JK Edmonds, J Grosse-Knetter, N Harnew, T Matsushita, VA Noyes, A Quadt, O Ruske, MR Sutton, R Walczak, DS Waters, A Bertolin, R Brugnera, R Carlin, F Dal Corso, S Dondana, U Dosselli, S Dusini, S Limentani, M Morandin, M Posocco, L Stanco, R Stroili, C Voci, L Iannotti, BY Oh, JR Okrasinski, WS Toothacker, JJ Whitmore, Y Iga, G D'Agostini, G Marini, A Nigro, M Raso, C Cormack, JC Hart, NA McCubbin, TP Shah, D Epperson, C Heusch, HFW Sadrozinski, A Seiden, R Wichmann, DC Williams, N Pavel, H Abramowicz, S Dagan, S Kananov, A Kreisel, A Levy, A Schechter, T Abe, T Fusayasu, M Inuzuka, K Nagano, K Umemori, T Yamashita, R Hamatsu, T Hirose, K Homma, S Kitamura, T Nishimura, M Arneodo, R Cirio, M Costa, MI Ferrero, S Maselli, V Monaco, C Peroni, MC Petrucci, M Ruspa, A Solano, A Staiano, M Dardo, DC Bailey, CP Fagerstroem, R Galea, T Koop, GM Levman, JF Martin, RS Orr, S Polenz, A Sabetfakhri, D Simmons, CD Catterall, ME Hayes, EA Heaphy, TW Jones, JB Lane, J Ciborowski, G Grzelak, RJ Nowak, JM Pawlak, R Pawlak, B Smalska, T Tymieniecka, AK Wróblewski, JA Zakrzewski, AF Zarnecki, M Adamus, T Gadaj, O Deppe, Y Eisenberg, D Hochman, U Karshon, WF Badgett, D Chapin, R Cross, C Foudas, S Mattingly, DD Reeder, WH Smith, A Vaiciulis, T Wildschek, M Wodarczyk, A Deshpande, S Dhawan, VW Hughes, S Bhadra, WR Frisken, R Hall-Wilton, M Khakzad, S Menary, WB Schmidke
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Search for resonances decaying to e+-jet in e+p interactions at HERA

EUROPEAN PHYSICAL JOURNAL C 16:2 (2000) 253-267

Authors:

J Breitweg, S Chekanov, M Derrick, D Krakauer, S Magill, B Musgrave, A Pellegrino, J Repond, R Stanek, R Yoshida, MCK Mattingly, G Abbiendi, F Anselmo, P Antonioli, G Bari, M Basile, L Bellagamba, D Boscherini, A Bruni, G Bruni, GC 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, YZ Garcia, A Zichichi, C Amelung, A Bornheim, I Brock, K Coböken, J Crittenden, R Deffner, K Hartmann, K Heinloth, E Hilger, P Irrgang, HP Jakob, A Kappes, UF Katz, R Kerger, E Paul, H Schnurbusch, A Stifutkin, J Tandler, KC Voss, A Weber, H Wieber, DS Bailey, O Barret, NH Brook, B Foster, GP Heath, HF Heath, JD McFall, D Piccioni, E Rodrigues, J Scott, RJ Tapper, M Capua, A Mastroberardino, M Schioppa, G Susinno, HY Jeoung, JY Kim, JH Lee, IT Lim, KJ Ma, MY Pac, A Caldwell, W Liu, X Liu, B Mellado, S Paganis, R Sacchi, S Sampson, F Sciulli, J Chwastowski, A Eskreys, J Figiel, K Klimek, K Olkiewicz, K Piotrzkowski, MB Przybycien, P Stopa, L Zawiejski, L Adamczyk, B Bednarek, K Jelen, D Kisielewska, AM Kowal, T Kowalski, M Przybycien, E Rulikowska-Zarebska, L Suszycki, D Szuba, A Kotanski, LAT Bauerdick, U Behrens, JK Bienlein, C Burgard, K Desler, G Drews, A Fox-Murphy, U Fricke, F Goebel, P Göttlicher, R Graciani, T Haas, W Hain, GF Hartner, D Hasell, K Hebbel, KF Johnson, M Kasemann, W Koch, U Kötz, H Kowalski, L Lindemann, B Löhr, M Martínez, M Milite, T Monteiro, M Moritz, D Notz, F Pelucchi, MC Petrucci, M Rohde, PRB Saull, AA Savin, U Schneekloth, F Selonke, M Sievers, S Stonjek, E Tassi, G Wolf, U Wollmer, C Youngman, W Zeuner, C Coldewey, HJ Grabosch, ALD Viani, A Meyer, S Schlenstedt, PB Straub, C Barbagli, E Gallo, P Pelfer, C Maccarrone, L Votano, A Bamberger, A Benen, S Eisenhardt, P Markun, H Raach, S Wölfle, PJ Bussey, AT Doyle, SW Lee, N Macdonald, GJ McCance, DH Saxon, LE Sinclair, IO Skillicorn, R Waugh, I Bohnet, N Gendner, U Holm, A Meyer-Larsen, H Salehi, K Wick, D Dannheim, A Garfagnini, I Gialas, LK Gladilin, D Kçira, R Klanner, E Lohrmann, G Poelz, F Zetsche, R Goncalo, KR Long, DB Miller, AD Tapper, R Walker, U Mallik, P Cloth, D Filges, T Ishii, M Kuze, K Nagano, K Tokushuku, S Yamada, Y Yamazaki, SH Ahn, SB Lee, SK Park, H Lim, IH Park, D Son, F Barreiro, G García, C Glasman, O Gonzalez, L Labarga, J del Peso, I Redondo, J Terrón, M Barbi, F Corriveau, DS Hanna, A Ochs, S Padhi, M Riveline, DG Stairs, M Wing, T Tsurugai, V Bashkirov, BA Dologshein, RK Dementiev, PF Ermolov, YA Golubkov, II Katkov, LA Khein, NA Korotkova, IA Korzhavina, VA Kuzmin, OY Lukina, AS Proskuryakov, LM Shcheglova, AN Solomin, NN Vlasov, SA Zotkin, C Bokel, M Botje, N Brümmer, J Engelen, S Grijpink, E Koffeman, P Kooijman, S Schagen, A van Sighem, H Tiecke, N Tuning, JJ Velthuis, J Vossebeld, L Wiggers, E de Wolf, D Acosta, B Bylsma, LS Durkin, J Gilmore, CM Ginsburg, CL Kim, TY Ling, S Boogert, AM Cooper-Sarkar, RCE Devenish, J Grosse-Knetter, T Matsushita, O Ruske, MR Sutton, R Walczak, A Bertolin, R Brugnera, R Carlin, F Dal Corso, U Dosselli, S Dusini, S Limentani, M Morandin, M Posocco, LL Stanco, R Stroili, C Voci, L Iannotti, BY Oh, JR Okrasinski, WS Toothacker, JJ Whitmore, Y Iga, G D'Agostini, G Marini, A Nigro, C Cormack, JC Hart, NA McCubbin, TP Shah, D Epperson, C Heusch, HFW Sadrozinski, A Seiden, R Wichmann, DC Williams, N Pavel, H Abramowicz, S Dagan, S Kananov, A Kreisel, A Levy, T Abe, T Fusayasu, K Umemori, T Yamashita, R Hamatsu, T Hirose, M Inuzuka, S Kitamura, T Nishimura, M Arneodo, N Cartiglia, R Cirio, M Costa, MI Ferrero, S Maselli, V Monaco, C Peroni, M Ruspa, A Solano, A Staiano, M Dardo, DC Bailey, CP Fagerstroem, R Galea, T Koop, GM Levman, JE Martin, RS Orr, S Polenz, A Sabetfakhri, D Simmons, JM Butterworth, CD Catterall, ME Hayes, EA Heaphy, TW Jones, JB Lane, BJ West, J Ciborowski, R Ciesielski, G Grzelak, RJ Nowak, JM Pawlak, R Pawlak, B Smalska, T Tymieniecka, AK Wróblewski, JA Zakrzewski, AF Zarnecki, M Adamus, T Gadaj, O Deppe, K Eisenberg, D Hochman, U Karshon, WF Badgett, D Chapin, R Cross, C Foudas, S Mattingly, DD Reeder, WH Smith, A Vaiciulis, T Wildschek, M Wodarczyk, A Deshpande, S Dhawan, VW Hughes, S Bhadra, C Catterall, JE Cole, WR Frisken, R Hall-Wilton, M Khakzad, S Menary, WB Schmidke
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Measurement of the electron-density profile in a discharge-ablated capillary waveguide

Optics Letters 24:14 (1999) 993-995

Authors:

DJ Spence, PDS Burnett, SM Hooker

Abstract:

Discharged-ablated capillary waveguides were investigated based on electron-density profile using time-resolved interferometric measurements. A pronounced axial minimum with a relative depth of as much as 60% of the axial electron density was developed in the electron density profile. Results showed that this profile can be used for high-intensity laser pulse tunneling.
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Events with large E-T(tot) in photoproduction at HERA

J PHYS G NUCL PARTIC 25:7 (1999) 1440-1443

Authors:

C Nath, R Walczak, Y Yamazaki

Abstract:

Hard photoproduction events observed at HERA have a large excesses of transverse energy how with respect to theoretical predictions. For this paper events with total transverse energy greater than 45 GeV were selected. Jet cross sections and the dependence of the event rate on the photon-proton centre of mass energy W were measured. A multi-parton interaction model can describe the jet cross section but probably not the W distribution while a model without multi-parton interactions describes the W dependence well but not the jet cross section. At the moment, there is no model that describes data satisfactorily in the measured kinematic range.
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High E-T, exotics and rare processes

J PHYS G NUCL PARTIC 25:7 (1999) 1411-1411

Authors:

J Kalinowski, MW Krasny, R Walczak
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