Multijet production at low xBj in deep inelastic scattering at HERA

NUCLEAR PHYSICS B 786:1-2 (2007) 152-180

Authors:

S Chekanov, M Derrick, S Magill, B Musgrave, D Nicholass, J Repond, R Yoshida, MCK Mattingly, M Jechow, N Pavel, AG Yaguees Molina, S Antonelli, P Antonioli, G Bari, M Basile, L Bellagamba, M Bindi, D Boscherini, A Bruni, G Bruni, L Cifarelli, F Cindolo, A Contin, M Corradi, S De Pasquale, G Lacobucci, A Margotti, R Nania, A Polini, G Sartorelli, A Zichichi, D Bartsch, I Brock, S Goers, H Hartmann, E Hilger, H-P Jakob, M Juengst, OM Kind, AE Nuncio-Quiroz, E Paul, R Renner, U Samson, V Schoenberg, R Shehzadi, M Wlasenko, NH Brook, GP Heath, JD Morris, T Namsoo, M Capua, S Fazio, A Mastroberardino, M Schioppa, G Susinno, E Tassi, JY Kim, KJ Ma, ZA Ibrahim, B Kamaluddin, WAT Wan Abdullah, Y Ning, Z Ren, F Sciulli, J Chwastowski, A Eskreys, J Figiel, A Galas, M Gil, K Olkiewicz, P Stopa, L Zawiejski, L Adamczyk, T Bold, I Grabowska-Bold, D Kisielewska, J Lukasik, M Przybycien, L Suszycki, A Kotanski, W Slominski, V Adler, U Behrens, I Bloch, C Blohm, A Bonato, K Borras, R Ciesielski, N Coppola, A Dossanov, V Drugakov, J Fourletova, A Geiser, D Gladkov, P Goettlicher, J Grebenyuk, I Gregor, T Haas, W Hain, C Horn, A Huettmann, B Kahle, II Katkov, U Klein, U Koetz, H Kowalski, E Lobodzinska, B Loehr, R Mankel, I-A Melzer-Pellmann, S Miglioranzi, A Montanari, D Notz, L Rinaldi, P Roloff, I Rubinsky, R Santarnarta, U Schneekloth, A Spiridonov, H Stadie, D Szuba, J Szuba, T Theedt, G Wolf, K Wrona, C Youngman, W Zeuner, W Lohmann, S Schlenstedt, G Barbagli, E Gallo, PG Pelfer, A Bamberger, D Dobur, F Karstens, NN Vlasov, PJ Bussey, AT Doyle, W Dunne, J Ferrando, M Forrest, DH Saxon, IO Skillicorn, I Gialas, K Papageorgiu, T Gosau, U Holm, R Klanner, E Lohrmann, H Salehi, P Schleper, T Schoerner-Sadenius, J Sztuk, K Wichmann, K Wick, C Foudas, C Fry, KR Long, AD Tapper, M Kataoka, T Matsumoto, K Nagano, K Tokushuku, S Yamada, Y Yamazaki, AN Barakbaev, EG Boos, NS Pokrovskiy, BO Zhautykov, V Aushev, D Son, J de Favereau, K Piotrzkowski, F Barreiro, C Glasman, M Jimenez, L Labarga, J del Peso, E Ron, M Soares, J Terron, M Zambrana, F Corriveau, C Liu, R Walsh, C Zhou, T Tsurugai, A Antonov, BA Dolgoshein, V Sosnovtse, A Stifutkin, S Suchkov, RK Dementiev, PF Ermolov, LK Gladilin, LA Khein, IA Korzhavina, VA Kuzmin, BB Levchenkol, O Yu Lukina, AS Proskuryakov, LM Shcheglova, DS Zotkin, SA Zotkin, I Abt, C Buettner, A Caldwell, D Kollar, WB Schmidke, J Sutiak, G Grigorescu, A Keramidas, E Koffeman, P Kooijman, A Pellegrino, H Tiecke, M Vazquez, L Wiggers, N Bruemmer, B Bylsma, LS Durkin, A Lee, TY Ling, PD Allfrey, MA Bell, AM Cooper-Sarkar, A Cottrell, RCE Devenish, B Foster, K Korcsak-Gorzo, S Patel, V Roberfroid, A Robertson, PB Straub, C Uribe-Estrada, R Walczak, P Bellan, A Bertolin, R Brugnera, R Carlin, E Dal Corso, S Dusini, A Garfagnini, S Limentani, A Longhin, L Stanco, M Turcato, BY Oh, A Raval, J Ukleja, JJ Whitmore, Y Iga, G D'Agostini, G Marini, A Nigro, JE Cole, JC Hart, H Abramowicz, A Gabareen, R Ingbir, S Kananov, A Levy, M Kuze, J Maeda, R Hori, S Kagawa, N Okazaki, S Shimizu, T Tawara, R Hamatsu, H Kaji, S Kitamura, O Ota, YD Ri, MI Ferrero, V Monaco, R Sacchi, A Solano, M Arneodo, M Ruspa, S Fourletov, JF Martin, SK Boutle, JM Butterworth, C Gwenlan, TW Jones, JH Loizides, MR Sutton, M Wing, B Brzozowska, J Ciborowski, G Grzelak, P Kulinski, P Luzniak, J Malka, RJ Nowak, JM Pawlak, T Tymieniecka, A Ukleja, AF Zarnecki, M Adamus, P Plucinski, Y Eisenberg, I Giller, D Hochman, U Karshon, M Rosin, E Brownson, T Danielson, A Everett, D Kcira, DD Reeder, P Ryan, AA Savin, WH Smith, Ff Wolfe, S Bhadra, CD Catterall, Y Cui, G Hartner, S Menary, U Noor, J Standage, J Whyte

Performance of capillary discharge guided laser plasma wakefield accelerator

2007 IEEE PARTICLE ACCELERATOR CONFERENCE, VOLS 1-11 (2007) 2222-+

Authors:

K Nakamura, E Esarey, CGR Geddes, AJ Gonsalves, WP Leernans, D Panasenko, CB Schroeder, Cs Toth, SM Hooker

Photoproduction of events with rapidity gaps between jets at HERA

EUROPEAN PHYSICAL JOURNAL C 50:2 (2007) 283-297

Authors:

S Chekanov, M Derrick, S Magill, S Miglioranzi, B Musgrave, D Nicholass, J Repond, R Yoshida, MCK Mattingly, N Pavel, AGY Molina, S Antonelli, P Antonioli, G Bari, M Basile, L Bellagamba, M Bindi, D Boscherini, A Bruni, G Bruni, L Cifarelli, F Cindolo, A Contin, M Corradi, S De Pasquale, G Iacobucci, A Margotti, R Nania, A Polini, L Rinaldi, G Sartorelli, A Zichichi, G Aghuzumtsyan, D Bartsch, I Brock, S Goers, H Hartmann, E Hilger, H-P Jakob, M Juengst, OM Kind, E Paul, J Rautenberg, R Renner, U Samson, V Schoenberg, M Wang, M Wlasenko, NH Brook, GP Heath, JD Morris, T Namsoo, M Capua, S Fazio, A Mastroberardino, M Schioppa, G Susinno, E Tassi, JY Kim, KJ Ma, ZA Ibrahim, B Kamaluddin, WATW Abdullah, Y Ning, Z Ren, F Sciulli, J Chwastowski, A Eskreys, J Figiel, A Galas, M Gil, K Olkiewicz, P Stopa, L Zawiejski, L Adamczyk, T Bold, I Grabowska-Bold, D Kisielewska, J Lukasik, M Przybycien, L Suszycki, A Kotanski, W Slominski, V Adler, U Behrens, I Bloch, A Bonato, K Borras, N Coppola, J Fourletova, A Geiser, D Gladkov, P Goettlicher, I Gregor, T Haas, W Hain, C Horn, B Kahle, U Koetz, H Kowalski, E Lobodzinska, B Loehr, R Mankel, I-A Melzer-Pellmann, A Montanari, D Notz, AE Nuncio-Quiroz, R Santamarta, U Schneekloth, A Spiridonov, H Stadie, U Stoesslein, D Szuba, J Szuba, T Theedt, G Wolf, K Wrona, C Youngman, W Zeuner, S Schlenstedt, G Barbagli, E Gallo, PG Pelfer, A Bamberger, D Dobur, F Karstens, NN Vlasov, PJ Bussey, AT Doyle, W Dunne, J Ferrando, DH Saxon, IO Skillicorn, I Gialas, T Gosau, U Holm, R Klanner, E Lohrmann, H Salehi, P Schleper, T Schoerner-Sadenius, J Sztuk, K Wichmann, K Wick, C Foudas, C Fry, KR Long, AD Tapper, M Kataoka, T Matsumoto, K Nagano, K Tokushuku, S Yamada, Y Yamazaki, AN Barakbaev, EG Boos, A Dossanov, NS Pokrovskiy, BO Zhautykov, D Son, J de Favereau, K Piotrzkowski, F Barreiro, C Glasman, M Jimenez, L Labarga, J del Peso, E Ron, J Terron, M Zambrana, F Corriveau, C Liu, R Walsh, C Zhou, T Tsurugai, A Antonov, BA Dolgoshein, I Rubinsky, V Sosnovtsev, A Stifutkin, S Suchkov, RK Dementiev, PF Ermolov, LK Gladilin, II Katkov, LA Khein, IA Korzhavina, VA Kuzmin, BB Levchenko, OY Lukina, AS Proskuryakov, LM Shcheglova, DS Zotkin, SA Zotkin, I Abt, C Buettner, A Caldwell, D Kollar, WB Schmidke, J Sutiak, G Grigorescu, A Keramidas, E Koffeman, P Kooijman, A Pellegrino, H Tiecke, M Vazquez, L Wiggers, N Bruemmer, B Bylsma, LS Durkin, A Lee, TY Ling, PD Allfrey, MA Bell, AM Cooper-Sarkar, A Cottrell, RCE Devenish, B Foster, K Korcsak-Gorzo, S Patel, V Roberfroid, A Robertson, PB Straub, C Uribe-Estrada, R Walczak, P Bellan, A Bertolin, R Brugnera, R Carlin, R Ciesielski, F Dal Corso, S Dusini, A Garfagnini, S Limentani, A Longhin, L Stanco, M Turcato, BY Oh, A Raval, J Ukleja, JJ Whitmore, Y Iga, G D'Agostini, G Marini, A Nigro, JE Cole, JC Hart, H Abramowicz, A Gabareen, R Ingbir, S Kananov, A Levy, M Kuze, R Hori, S Kagawa, S Shimizu, T Tawara, R Hamatsu, H Kaji, S Kitamura, O Ota, YD Ri, MI Ferrero, V Monaco, R Sacchi, A Solano, M Arneodo, M Ruspa, S Fourletov, JF Martin, SK Boutle, JM Butterworth, C Gwenlan, TW Jones, JH Loizides, MR Sutton, C Targett-Adams, M Wing, B Brzozowska, J Ciborowski, G Grzelak, P Kulinski, P Luzniak, J Malka, RJ Nowak, JM Pawlak, T Tymieniecka, A Ukleja, AF Zarnecki, M Adamus, P Plucinski, Y Eisenberg, I Giller, D Hochman, U Karshon, M Rosin, E Brownson, T Danielson, A Everett, D Kcira, DD Reeder, P Ryan, AA Savin, WH Smith, H Wolfe, S Bhadra, CD Catterall, Y Cui, G Hartner, S Menary, U Noor, M Soares, J Standage, J Whyte

Search for stop production in R-parity-violating supersymmetry at HERA

EUROPEAN PHYSICAL JOURNAL C 50:2 (2007) 269-281

Authors:

S Chekanov, M Derrick, S Magill, S Miglioranzi, B Musgrave, D Nicholass, J Repond, R Yoshida, MCK Mattingly, N Pavel, AGY Molina, S Antonelli, P Antonioli, G Bari, M Basile, L Bellagamba, M Bindi, D Boscherini, A Bruni, G Bruni, L Cifarelli, F Cindolo, A Contin, M Corradi, S De Pasquale, G Iacobucci, A Margotti, R Nania, A Polini, L Rinaldi, G Sartorelli, A Zichichi, G Aghuzumtsyan, D Bartsch, I Brock, S Goers, H Hartmann, E Hilger, H-P Jakob, M Juengst, OM Kind, E Paul, J Rautenberg, R Renner, U Samson, V Schoenberg, M Wang, M Wlasenko, NH Brook, GP Heath, JD Morris, T Namsoo, M Capua, S Fazio, A Mastroberardino, M Schioppa, G Susinno, E Tassi, JY Kim, KJ Ma, ZA Ibrahim, B Kamaluddin, WATW Abdullah, Y Ning, Z Ren, F Sciulli, J Chwastowski, A Eskreys, J Figiel, A Galas, M Gil, K Olkiewicz, P Stopa, L Zawiejski, L Adamczyk, T Bold, I Grabowska-Bold, D Kisielewska, J Lukasik, M Przybycien, L Suszycki, A Kotanski, W Slominski, V Adler, U Behrens, I Bloch, A Bonato, K Borras, N Coppola, J Fourletova, A Geiser, D Gladkov, P Goettlicher, I Gregor, T Haas, W Hain, C Horn, B Kahle, U Koetz, H Kowalski, E Lobodzinska, B Loehr, R Mankel, I-A Melzer-Pellmann, A Montanari, D Notz, AE Nuncio-Quiroz, R Santamarta, U Schneekloth, A Spiridonov, H Stadie, U Stoesslein, D Szuba, J Szuba, T Theedt, G Wolf, K Wrona, C Youngman, W Zeuner, S Schlenstedt, G Barbagli, E Gallo, PG Pelfer, A Bamberger, D Dobur, F Karstens, NN Vlasov, PJ Bussey, AT Doyle, W Dunne, J Ferrando, DH Saxon, IO Skillicorn, I Gialas, T Gosau, U Holm, R Klanner, E Lohrmann, H Salehi, P Schleper, T Schoerner-Sadenius, J Sztuk, K Wichmann, K Wick, C Foudas, C Fry, KR Long, AD Tapper, M Kataoka, T Matsumoto, K Nagano, K Tokushuku, S Yamada, Y Yamazaki, AN Barakbaev, EG Boos, A Dossanov, NS Pokrovskiy, BO Zhautykov, D Son, J de Favereau, K Piotrzkowski, F Barreiro, C Glasman, M Jimenez, L Labarga, J del Peso, E Ron, J Terron, M Zambrana, F Corriveau, C Liu, R Walsh, C Zhou, T Tsurugai, A Antonov, BA Dolgoshein, I Rubinsky, V Sosnovtsev, A Stifutkin, S Suchkov, RK Dementiev, PF Ermolov, LK Gladilin, II Katkov, LA Khein, IA Korzhavina, VA Kuzmin, BB Levchenko, OY Lukina, AS Proskuryakov, LM Shcheglova, DS Zotkin, SA Zotkin, I Abt, C Buettner, A Caldwell, D Kollar, WB Schmidke, J Sutiak, G Grigorescu, A Keramidas, E Koffeman, P Kooijman, A Pellegrino, H Tiecke, M Vazquez, L Wiggers, N Bruemmer, B Bylsma, LS Durkin, A Lee, TY Ling, PD Allfrey, MA Bell, AM Cooper-Sarkar, A Cottrell, RCE Devenish, B Foster, K Korcsak-Gorzo, S Patel, V Roberfroid, A Robertson, PB Straub, C Uribe-Estrada, R Walczak, P Bellan, A Bertolin, R Brugnera, R Carlin, R Ciesielski, F Dal Corso, S Dusini, A Garfagnini, S Limentani, A Longhin, L Stanco, M Turcato, BY Oh, A Raval, J Ukleja, JJ Whitmore, Y Iga, G D'Agostini, G Marini, A Nigro, JE Cole, JC Hart, H Abramowicz, A Gabareen, R Ingbir, S Kananov, A Levy, M Kuze, R Hori, S Kagawa, S Shimizu, T Tawara, R Hamatsu, H Kaji, S Kitamura, O Ota, YD Ri, MI Ferrero, V Monaco, R Sacchi, A Solano, M Arneodo, M Ruspa, S Fourletov, JF Martin, SK Boutle, JM Butterworth, C Gwenlan, TW Jones, JH Loizides, MR Sutton, C Targett-Adams, M Wing, B Brzozowska, J Ciborowski, G Grzelak, P Kulinski, P Luzniak, J Malka, RJ Nowak, JM Pawlak, T Tymieniecka, A Ukleja, AF Zarnecki, M Adamus, P Plucinski, Y Eisenberg, I Giller, D Hochman, U Karshon, M Rosin, E Brownson, T Danielson, A Everett, D Kcira, DD Reeder, P Ryan, AA Savin, WH Smith, H Wolfe, S Bhadra, CD Catterall, Y Cui, G Hartner, S Menary, U Noor, M Soares, J Standage, J Whyte

Low energy spread 100 MeV-1 GeV electron bunches from laser wakefield acceleration at loasis

23rd International Linear Accelerator Conference, LINAC 2006 - Proceedings (2006) 806-808

Authors:

CGR Geddes, E Esarey, P Michel, B Nagler, K Nakamura, GR Plateau, CB Schroeder, BA Shadwick, C Toth, J Van Tilborg, WP Leemans, SM Hooker, AJ Gonsalves, E Michel, JR Cary, D Bruhwiler

Abstract:

Experiments at the LOASIS laboratory of LBNL recently demonstrated production of 100 MeV electron beams with low energy spread and low divergence from laser wakefield acceleration. The radiation pressure of a 10 TW laser pulse guided over 10 diffraction ranges by a plasma density channel was used to drive an intense plasma wave (wakefield), producing acceleration gradients on the order of 100 GV/m in a mm-scale channel. Beam energy has now been increased from 100 to 1000 MeV by using a cm-scale guiding channel at lower density, driven by a 40 TW laser, demonstrating the anticipated scaling to higher beam energies. Particle simulations indicate that the low energy spread beams were produced from self trapped electrons through the interplay of trapping, loading, and dephasing. Other experiments and simulations are also underway to control injection of particles into the wake, and hence improve beam quality and stability further.