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Insertion of STC into TRT at the Department of Physics, Oxford
Credit: CERN

Professor Brian Foster OBE, FRS

Donald H. Perkins Professor of Experimental Physics

Research theme

  • Accelerator physics
  • Fundamental particles and interactions

Sub department

  • Particle Physics

Research groups

  • Future Colliders
Brian.Foster@physics.ox.ac.uk
Telephone: 01865 (2)73323
Denys Wilkinson Building, room 611
Oxford May Music - An annual festival of science and music
  • About
  • Publications

Production of Z0 bosons in elastic and quasi-elastic ep collisions at HERA

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 718:3 (2013) 915-921

Authors:

H Abramowicz, I Abt, L Adamczyk, M Adamus, R Aggarwal, S Antonelli, P Antonioli, A Antonov, M Arneodo, O Arslan, V Aushev, Y Aushev, O Bachynska, A Bamberger, AN Barakbaev, G Barbagli, G Bari, F Barreiro, N Bartosik, D Bartsch, M Basile, O Behnke, J Behr, U Behrens, L Bellagamba, A Bertolin, S Bhadra, M Bindi, C Blohm, V Bokhonov, T Bołd, K Bondarenko, EG Boos, K Borras, D Boscherini, D Bot, I Brock, E Brownson, R Brugnera, N Brümmer, A Bruni, G Bruni, B Brzozowska, PJ Bussey, B Bylsma, A Caldwell, M Capua, R Carlin, CD Catterall, S Chekanov, J Chwastowski, J Ciborowski, R Ciesielski, L Cifarelli, F Cindolo, A Contin, AM Cooper-Sarkar, N Coppola, M Corradi, F Corriveau, M Costa, G D'Agostini, F Dal Corso, J del Peso, RK Dementiev, S De Pasquale, M Derrick, RCE Devenish, D Dobur, BA Dolgoshein, G Dolinska, AT Doyle, V Drugakov, LS Durkin, S Dusini, Y Eisenberg, PF Ermolov, A Eskreys, S Fang, S Fazio, J Ferrando, MI Ferrero, J Figiel, B Foster, G Gach, A Galas, E Gallo, A Garfagnini, A Geiser, I Gialas, A Gizhko, LK Gladilin, D Gladkov, C Glasman, O Gogota, YA Golubkov, P Göttlicher, I Grabowska-Bołd, J Grebenyuk, I Gregor

Abstract:

The production of Z0 bosons in the reaction ep→eZ0p(*), where p(*) stands for a proton or a low-mass nucleon resonance, has been studied in ep collisions at HERA using the ZEUS detector. The analysis is based on a data sample collected between 1996 and 2007, amounting to 496pb-1 of integrated luminosity. The Z0 was measured in the hadronic decay mode. The elasticity of the events was ensured by a cut on ηmax<3.0, where ηmax is the maximum pseudorapidity of energy deposits in the calorimeter defined with respect to the proton beam direction. A signal was observed at the Z0 mass. The cross section of the reaction ep→eZ0p(*) was measured to be σ(ep→eZ0p(*))=0.13±0.06(stat.)±0.01(syst.) pb, in agreement with the Standard Model prediction of 0.16 pb. This is the first measurement of Z0 production in ep collisions. © 2012 Elsevier B.V.
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The BaBar detector: Upgrades, operation and performance

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 729 (2013) 615-701

Authors:

B Aubert, R Barate, D Boutigny, F Couderc, P Del Amo Sanchez, JM Gaillard, A Hicheur, Y Karyotakis, JP Lees, V Poireau, X Prudent, P Robbe, V Tisserand, A Zghiche, E Grauges, J Garra Tico, L Lopez, M Martinelli, A Palano, M Pappagallo, A Pompili, GP Chen, JC Chen, ND Qi, G Rong, P Wang, YS Zhu, G Eigen, B Stugu, L Sun, GS Abrams, M Battaglia, AW Borgland, AB Breon, DN Brown, J Button-Shafer, RN Cahn, E Charles, AR Clark, CT Day, M Furman, MS Gill, Y Groysman, RG Jacobsen, RW Kadel, JA Kadyk, LT Kerth, YG Kolomensky, JF Kral, G Kukartsev, C Leclerc, ME Levi, G Lynch, AM Merchant, LM Mir, PJ Oddone, TJ Orimoto, IL Osipenkov, M Pripstein, NA Roe, A Romosan, MT Ronan, VG Shelkov, A Suzuki, K Tackmann, T Tanabe, WA Wenzel, M Zisman, M Barrett, PG Bright-Thomas, KE Ford, TJ Harrison, AJ Hart, CM Hawkes, DJ Knowles, SE Morgan, SW O'Neale, RC Penny, D Smith, N Soni, AT Watson, NK Watson, K Goetzen, T Held, H Koch, M Kunze, B Lewandowski, M Pelizaeus, K Peters, H Schmuecker, T Schroeder, M Steinke, A Fella, E Antonioli, JT Boyd, N Chevalier, WN Cottingham, B Foster, C Mackay, D Walker

Abstract:

The BaBar detector operated successfully at the PEP-II asymmetric e +e- collider at the SLAC National Accelerator Laboratory from 1999 to 2008. This report covers upgrades, operation, and performance of the collider and the detector systems, as well as the trigger, online and offline computing, and aspects of event reconstruction since the beginning of data taking. © 2013 Elsevier B.V.
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Combination and QCD analysis of charm production cross section measurements in deep-inelastic ep scattering at HERA

EUROPEAN PHYSICAL JOURNAL C 73:2 (2013) ARTN 2311

Authors:

H Abramowicz, I Abt, L Adamczyk, M Adamus, R Aggarwal, C Alexa, V Andreev, S Antonelli, P Antonioli, A Antonov, M Arneodo, O Arslan, V Aushev, Y Aushev, O Bachynska, A Baghdasaryan, S Baghdasaryan, A Bamberger, AN Barakbaev, G Barbagli, G Bari, F Barreiro, W Bartel, N Bartosik, D Bartsch, M Basile, K Begzsuren, O Behnke, J Behr, U Behrens, L Bellagamba, A Belousov, P Belov, A Bertolin, S Bhadra, M Bindi, C Blohm, V Bokhonov, K Bondarenko, EG Boos, K Borras, D Boscherini, D Bot, V Boudry, I Bozovic-Jelisavcic, T Bold, N Bruemmer, J Bracinik, G Brandt, M Brinkmann, V Brisson, D Britzger, I Brock, E Brownson, R Brugnera, A Bruni, G Bruni, B Brzozowska, A Bunyatyan, PJ Bussey, A Bylinkin, B Bylsma, L Bystritskaya, A Caldwell, AJ Campbell, KB Cantun Avila, M Capua, R Carlin, CD Catterall, F Ceccopieri, K Cerny, S Chekanov, V Chekelian, J Chwastowski, J Ciborowski, R Ciesielski, L Cifarelli, F Cindolo, A Contin, JG Contreras, AM Cooper-Sarkar, N Coppola, M Corradi, F Corriveau, M Costa, J Cvach, G D'Agostini, JB Dainton, F Dal Corso, K Daum, J Delvax, RK Dementiev, M Derrick, RCE Devenish, S De Pasquale, EA De Wolf, J del Peso, C Diaconu, M Dobre, D Dobur, V Dodonov, BA Dolgoshein, G Dolinska, A Dossanov, AT Doyle, V Drugakov, LS Durkin, S Dusini, G Eckerlin, S Egli, Y Eisenberg, E Elsen, PF Ermolov, A Eskreys, S Fang, L Favart, S Fazio, A Fedotov, R Felst, J Feltesse, J Ferencei, J Ferrando, MI Ferrero, J Figiel, D-J Fischer, M Fleischer, A Fomenko, B Foster, E Gabathuler, G Gach, A Galas, E Gallo, A Garfagnini, J Gayler, A Geiser, S Ghazaryan, I Gialas, A Gizhko, LK Gladilin, D Gladkov, C Glasman, A Glazov, L Goerlich, N Gogitidze, O Gogota, YA Golubkov, P Goettlicher, M Gouzevitch, C Grab, I Grabowska-Bold, A Grebenyuk, J Grebenyuk, T Greenshaw, I Gregor, G Grigorescu, G Grindhammer, G Grzelak, O Gueta, M Guzik, C Gwenlan, A Huettmann, T Haas, S Habib, D Haidt, W Hain, R Hamatsu, JC Hart, H Hartmann, G Hartner, RCW Henderson, E Hennekemper, H Henschel, M Herbst, G Herrera, M Hildebrandt, E Hilger, KH Hiller, J Hladky, D Hochman, D Hoffmann, R Hori, R Horisberger, T Hreus, F Huber, ZA Ibrahim, Y Iga, R Ingbir, M Ishitsuka, M Jacquet, H-P Jakob, X Janssen, F Januschek, TW Jones, L Jonsson, M Juengst, AW Jung, H Jung, I Kadenko, B Kahle, S Kananov, T Kanno, M Kapichine, U Karshon, F Karstens, II Katkov, P Kaur, M Kaur, IR Kenyon, A Keramidas, LA Khein, C Kiesling, JY Kim, D Kisielewska, S Kitamura, R Klanner, M Klein, U Klein, C Kleinwort, U Koetz, E Koffeman, R Kogler, N Kondrashova, O Kononenko, P Kooijman, I Korol, IA Korzhavina, P Kostka, A Kotanski, H Kowalski, M Kraemer, J Kretzschmar, K Krueger, O Kuprash, M Kuze, MPJ Landon, W Lange, G Lastovicka-Medin, P Laycock, A Lebedev, A Lee, V Lendermann, BB Levchenko, S Levonian, A Levy, V Libov, S Limentani, TY Ling, K Lipka, M Lisovyi, B List, J List, E Lobodzinska, B Lobodzinski, B Loehr, W Lohmann, E Lohrmann, KR Long, A Longhin, D Lontkovskyi, R Lopez-Fernandez, V Lubimov, OY Lukina, J Maeda, S Magill, I Makarenko, E Malinovski, J Malka, R Mankel, A Margotti, G Marini, JF Martin, H-U Martyn, A Mastroberardino, MCK Mattingly, SJ Maxfield, A Mehta, I-A Melzer-Pellmann, S Mergelmeyer, AB Meyer, H Meyer, J Meyer, S Miglioranzi, S Mikocki, I Milcewicz-Mika, F Mohamad Idris, V Monaco, A Montanari, F Moreau, A Morozov, JV Morris, JD Morris, K Mujkic, K Mueller, B Musgrave, K Nagano, T Namsoo, R Nania, T Naumann, PR Newman, C Niebuhr, A Nigro, D Nikitin, Y Ning, T Nobe, D Notz, G Nowak, K Nowak, RJ Nowak, AE Nuncio-Quiroz, BY Oh, N Okazaki, K Olkiewicz, JE Olsson, Y Onishchuk, D Ozerov, P Pahl, V Palichik, M Pandurovic, K Papageorgiu, A Parenti, C Pascaud, GD Patel, E Paul, JM Pawlak, B Pawlik, PG Pelfer, A Pellegrino, E Perez, W Perlanski, H Perrey, A Petrukhin, I Picuric, K Piotrzkowski, H Pirumov, D Pitzl, R Placakyte, P Plucinski, B Pokorny, NS Pokrovskiy, R Polifka, A Polini, B Povh, AS Proskuryakov, M Przybycien, V Radescu, N Raicevic, A Raval, T Ravdandorj, DD Reeder, P Reimer, B Reisert, Z Ren, J Repond, YD Ri, E Rizvi, A Robertson, P Robmann, P Roloff, R Roosen, A Rostovtsev, M Rotaru, I Rubinsky, JE Ruiz Tabasco, S Rusakov, M Ruspa, R Sacchi, D Salek, U Samson, DPC Sankey, G Sartorelli, M Sauter, E Sauvan, AA Savin, DH Saxon, M Schioppa, S Schlenstedt, P Schleper, WB Schmidke, S Schmitt, U Schneekloth, L Schoeffel, V Schoenberg, A Schoening, T Schoerner-Sadenius, H-C Schultz-Coulon, J Schwartz, F Sciulli, F Sefkow, LM Shcheglova, R Shehzadi, S Shimizu, S Shushkevich, I Singh, IO Skillicorn, W Slominski, WH Smith, V Sola, A Solano, Y Soloviev, D Son, P Sopicki, V Sosnovtsev, D South, V Spaskov, A Specka, A Spiridonov, H Stadie, L Stanco, Z Staykova, M Steder, N Stefaniuk, B Stella, A Stern, TP Stewart, A Stifutkin, G Stoicea, P Stopa, U Straumann, S Suchkov, G Susinno, L Suszycki, T Sykora, J Sztuk-Dambietz, J Szuba, D Szuba, AD Tapper, E Tassi, J Terron, T Theedt, PD Thompson, H Tiecke, K Tokushuku, J Tomaszewska, TH Tran, D Traynor, P Truoel, V Trusov, I Tsakov, B Tseepeldorj, T Tsurugai, M Turcato, O Turkot, J Turnau, T Tymieniecka, M Vazquez, A Valkarova, C Vallee, P Van Mechelen, Y Vazdik, A Verbytskyi, O Viazlo, NN Vlasov, R Walczak, WAT Wan Abdullah, D Wegener, JJ Whitmore, K Wichmann, L Wiggers, M Wing, M Wlasenko, G Wolf, H Wolfe, K Wrona, E Wuensch, AG Yaguees-Molina, S Yamada, Y Yamazaki, R Yoshida, C Youngman, O Zabiegalov, J Zacek, J Zalesak, O Zenaiev, W Zeuner, Z Zhang, BO Zhautykov, N Zhmak, A Zichichi, R Zlebcik, H Zohrabyan, Z Zolkapli, F Zomer, DS Zotkin, AF Zarnecki
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Inclusive-jet photoproduction at HERA and determination of α s

Nuclear Physics B 864:1 (2012) 1-37

Authors:

H Abramowicz, I Abt, L Adamczyk, M Adamus, R Aggarwal, S Antonelli, P Antonioli, A Antonov, M Arneodo, V Aushev, Y Aushev, O Bachynska, A Bamberger, AN Barakbaev, G Barbagli, G Bari, F Barreiro, N Bartosik, D Bartsch, M Basile, O Behnke, J Behr, U Behrens, L Bellagamba, A Bertolin, S Bhadra, M Bindi, C Blohm, V Bokhonov, T Bołd, K Bondarenko, EG Boos, K Borras, D Boscherini, D Bot, I Brock, E Brownson, R Brugnera, N Brümmer, A Bruni, G Bruni, B Brzozowska, PJ Bussey, B Bylsma, A Caldwell, M Capua, R Carlin, CD Catterall, S Chekanov, J Chwastowski, J Ciborowski, R Ciesielski, L Cifarelli, F Cindolo, A Contin, AM Cooper-Sarkar, N Coppola, M Corradi, F Corriveau, M Costa, G D'Agostini, F Dal Corso, J del Peso, RK Dementiev, S De Pasquale, M Derrick, RCE Devenish, D Dobur, BA Dolgoshein, G Dolinska, AT Doyle, V Drugakov, LS Durkin, S Dusini, Y Eisenberg, PF Ermolov, A Eskreys, S Fang, S Fazio, J Ferrando, MI Ferrero, J Figiel, M Forrest, B Foster, G Gach, A Galas, E Gallo, A Garfagnini, A Geiser, I Gialas, A Gizhko, LK Gladilin, D Gladkov, C Glasman, O Gogota, YA Golubkov, P Göttlicher, I Grabowska-Bołd, J Grebenyuk, I Gregor

Abstract:

Inclusive-jet cross sections have been measured in the reaction ep→e+jet+X for photon virtuality Q 2<1 GeV 2 and γp centre-of-mass energies in the region 14217 GeV and -1< jet<2.5. In addition, measurements of double-differential inclusive-jet cross sections are presented as functions of ETjet in different regions of jet. Next-to-leading-order QCD calculations give a good description of the measurements, except for jets with low ETjet and high jet. The influence of non-perturbative effects not related to hadronisation was studied. Measurements of the ratios of cross sections using different jet algorithms are also presented; the measured ratios are well described by calculations including up to O(αs2) terms. Values of α s(M Z) were extracted from the measurements and the energy-scale dependence of the coupling was determined. The value of α s(M Z) extracted from the measurements based on the k T jet algorithm is αs(MZ)=0.1206-0.0022+0.0023(exp.)-0.0035+0.0042(th.); the results from the anti-k T and SIScone algorithms are compatible with this value and have a similar precision. © 2012 Elsevier B.V.
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Measurement of isolated photons accompanied by jets in deep inelastic ep scattering

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 715:1-3 (2012) 88-97

Authors:

H Abramowicz, I Abt, L Adamczyk, M Adamus, R Aggarwal, S Antonelli, P Antonioli, A Antonov, M Arneodo, O Arslan, V Aushev, Y Aushev, O Bachynska, A Bamberger, AN Barakbaev, G Barbagli, G Bari, F Barreiro, N Bartosik, D Bartsch, M Basile, O Behnke, J Behr, U Behrens, L Bellagamba, A Bertolin, S Bhadra, M Bindi, C Blohm, V Bokhonov, T Bołd, K Bondarenko, EG Boos, K Borras, D Boscherini, D Bot, I Brock, E Brownson, R Brugnera, N Brümmer, A Bruni, G Bruni, B Brzozowska, PJ Bussey, B Bylsma, A Caldwell, M Capua, R Carlin, CD Catterall, S Chekanov, J Chwastowski, J Ciborowski, R Ciesielski, L Cifarelli, F Cindolo, A Contin, AM Cooper-Sarkar, N Coppola, M Corradi, F Corriveau, M Costa, G D'Agostini, F Dal Corso, J del Peso, RK Dementiev, S De Pasquale, M Derrick, RCE Devenish, D Dobur, BA Dolgoshein, G Dolinska, AT Doyle, V Drugakov, LS Durkin, S Dusini, Y Eisenberg, PF Ermolov, A Eskreys, S Fang, S Fazio, J Ferrando, MI Ferrero, J Figiel, M Forrest, B Foster, G Gach, A Galas, E Gallo, A Garfagnini, A Geiser, I Gialas, A Gizhko, LK Gladilin, D Gladkov, C Glasman, O Gogota, YA Golubkov, P Göttlicher, I Grabowska-Bołd, J Grebenyuk

Abstract:

The production of isolated high-energy photons accompanied by jets has been measured in deep inelastic ep scattering with the ZEUS detector at HERA, using an integrated luminosity of 326pb -1. Measurements were made for exchanged photon virtualities, Q 2, in the range 10 to 350GeV 2. The photons were measured in the transverse-energy and pseudorapidity ranges 4
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