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

Sub department

  • Particle Physics

Research groups

  • LHCb
Neville.Harnew@physics.ox.ac.uk
Telephone: 01865 (2)73316
Denys Wilkinson Building, room 671
  • About
  • Publications

Particle identification with the LHCb RICH system

NUCL INSTRUM METH A 563:2 (2006) 326-332

Authors:

N Harnew, LHCb RICH Collaboration

Abstract:

The LHCb experiment uses a Ring Imaging Cherenkov (RICH) system to provide particle identification over the momentum range 2-10OGeV/c. Two RICH detectors are employed. The upstream detector, RICH 1, utilizes both aerogel and C4F10 gas radiators whilst the downstream RICH 2 uses a CF4 gas radiator. The RICH 2 detector has been fabricated and is installed in the LHCb interaction region; RICH 1 has a programme of phased design and construction. Novel Hybrid Photon Detectors (HPDs) have been developed in collaboration with industry to detect the Cherenkov photons in the wavelength range 200-600 nm. The HPDs are enclosed in iron shielding and Mumetal cylinders to allow operation in magnetic fields up to 50 mT. The performance of pre-series HPDs and the results obtained from a particle test beam using the full LHCb readout chain is presented. The production of a total of 484 HPDs required for the two RICH detectors has recently commenced. The expected performance of the LHCb RICH system, obtained from realistic simulation, is described. (c) 2006 Elsevier B.V. All rights reserved.
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GridPP: Development of the UK computing Grid for particle physics

Journal of Physics G: Nuclear and Particle Physics 32:1 (2006)

Authors:

PJW Faulkner, LS Lowe, CLA Tan, PM Watkins, DS Bailey, TA Barrass, NH Brook, RJH Croft, MP Kelly, CK Mackay, S Metson, OJE Maroney, DM Newbold, FF Wilson, PR Hobson, A Khan, P Kyberd, JJ Nebrensky, M Bly, C Brew, S Burke, R Byrom, J Coles, LA Cornwall, A Djaoui, L Field, SM Fisher, GT Folkes, NI Geddes, JC Gordon, SJC Hicks, JG Jensen, G Johnson, D Kant, DP Kelsey, G Kuznetsov, J Leake, RP Middleton, GN Patrick, G Prassas, BJ Saunders, D Ross, RA Sansum, T Shah, B Strong, O Synge, R Tam, M Thorpe, S Traylen, JF Wheeler, NGH White, AJ Wilson, I Antcheva, E Artiaga, J Beringer, IG Bird, J Casey, AJ Cass, R Chytracek, MV Gallas Torreira, J Generowicz, M Girone, G Govi, F Harris, M Heikkurinen, A Horvath, E Knezo, M Litmaath, M Lubeck, J Moscicki, I Neilson, E Poinsignon, W Pokorski, A Ribon, Z Sekera, DH Smith, WL Tomlin, JE van Eldik, J Wojcieszuk, FM Brochu, S Das, K Harrison, M Hayes, JC Hill, CG Lester, MJ Palmer, MA Parker, M Nelson, MR Whalley, EWN Glover, P Anderson, PJ Clark, AD Earl, A Holt, A Jackson, B Joo, RD Kenway, CM Maynard, J Perry, L Smith

Abstract:

The GridPP Collaboration is building a UK computing Grid for particle physics, as part of the international effort towards computing for the Large Hadron Collider. The project, funded by the UK Particle Physics and Astronomy Research Council (PPARC), began in September 2001 and completed its first phase 3 years later. GridPP is a collaboration of approximately 100 researchers in 19 UK university particle physics groups, the Council for the Central Laboratory of the Research Councils and CERN, reflecting the strategic importance of the project. In collaboration with other European and US efforts, the first phase of the project demonstrated the feasibility of developing, deploying and operating a Grid-based computing system to meet the UK needs of the Large Hadron Collider experiments. This note describes the work undertaken to achieve this goal. © 2006 IOP Publishing Ltd.
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Untitled

BULLETIN OF MATHEMATICAL BIOLOGY 68:1 (2006) 1-1
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Amplitude analysis of the decay B±→π±π±π∓

Physical Review D American Physical Society (APS) 72:5 (2005) 052002

Authors:

B Aubert, R Barate, D Boutigny, F Couderc, Y Karyotakis, JP Lees, V Poireau, V Tisserand, A Zghiche, E Grauges, A Palano, M Pappagallo, A Pompili, JC Chen, ND Qi, G Rong, P Wang, YS Zhu, G Eigen, I Ofte, B Stugu, GS Abrams, M Battaglia, AB Breon, DN Brown, J Button-Shafer, RN Cahn, E Charles, CT Day, MS Gill, AV Gritsan, Y Groysman, RG Jacobsen, RW Kadel, J Kadyk, LT Kerth, Yu G Kolomensky, G Kukartsev, G Lynch, LM Mir, PJ Oddone, TJ Orimoto, M Pripstein, NA Roe, MT Ronan, WA Wenzel, M Barrett, KE Ford, TJ Harrison, AJ Hart, CM Hawkes, SE Morgan, AT Watson, M Fritsch, K Goetzen, T Held, H Koch, B Lewandowski, M Pelizaeus, K Peters, T Schroeder, M Steinke, JT Boyd, JP Burke, N Chevalier, WN Cottingham, T Cuhadar-Donszelmann, BG Fulsom, C Hearty, NS Knecht, TS Mattison, JA McKenna, A Khan, P Kyberd, M Saleem, L Teodorescu, AE Blinov, VE Blinov, AD Bukin, VP Druzhinin, VB Golubev, EA Kravchenko, AP Onuchin, SI Serednyakov, Yu I Skovpen, EP Solodov, AN Yushkov, D Best, M Bondioli, M Bruinsma, M Chao, S Curry, I Eschrich, D Kirkby, AJ Lankford, P Lund, M Mandelkern, RK Mommsen, W Roethel, DP Stoker, C Buchanan, BL Hartfiel, AJR Weinstein, SD Foulkes, JW Gary, O Long, BC Shen, K Wang, L Zhang, D del Re, HK Hadavand, EJ Hill, DB MacFarlane, HP Paar, S Rahatlou, V Sharma, JW Berryhill, C Campagnari, A Cunha, B Dahmes, TM Hong, MA Mazur, JD Richman, W Verkerke, TW Beck, AM Eisner, CJ Flacco, CA Heusch, J Kroseberg, WS Lockman, G Nesom, T Schalk, BA Schumm, A Seiden, P Spradlin, DC Williams, MG Wilson, J Albert, E Chen, GP Dubois-Felsmann, A Dvoretskii, DG Hitlin, I Narsky, T Piatenko, FC Porter, A Ryd, A Samuel, R Andreassen, S Jayatilleke, G Mancinelli, BT Meadows, MD Sokoloff, F Blanc, P Bloom, S Chen, WT Ford, JF Hirschauer, A Kreisel, U Nauenberg, A Olivas, P Rankin, WO Ruddick, JG Smith, KA Ulmer, SR Wagner, J Zhang, A Chen, EA Eckhart, A Soffer, WH Toki, RJ Wilson, Q Zeng, D Altenburg, E Feltresi, A Hauke, B Spaan, T Brandt, J Brose, M Dickopp, V Klose, HM Lacker, R Nogowski, S Otto, A Petzold, G Schott, J Schubert, KR Schubert, R Schwierz, JE Sundermann, D Bernard, GR Bonneaud, P Grenier, S Schrenk, Ch Thiebaux, G Vasileiadis, M Verderi, DJ Bard, PJ Clark, W Gradl, F Muheim, S Playfer, Y Xie, M Andreotti, V Azzolini, D Bettoni, C Bozzi, R Calabrese, G Cibinetto, E Luppi, M Negrini, L Piemontese, F Anulli, R Baldini-Ferroli, A Calcaterra, R de Sangro, G Finocchiaro, P Patteri, IM Peruzzi, M Piccolo, A Zallo, A Buzzo, R Capra, R Contri, M Lo Vetere, M Macri, MR Monge, S Passaggio, C Patrignani, E Robutti, A Santroni, S Tosi, G Brandenburg, KS Chaisanguanthum, M Morii, E Won, J Wu, RS Dubitzky, U Langenegger, J Marks, S Schenk, U Uwer, W Bhimji, DA Bowerman, PD Dauncey, U Egede, RL Flack, JR Gaillard, GW Morton, JA Nash, MB Nikolich, GP Taylor, WP Vazquez, MJ Charles, WF Mader, U Mallik, AK Mohapatra, J Cochran, HB Crawley, V Eyges, WT Meyer, S Prell, EI Rosenberg, AE Rubin, J Yi, N Arnaud, M Davier, X Giroux, G Grosdidier, A Höcker, F Le Diberder, V Lepeltier, AM Lutz, A Oyanguren, TC Petersen, M Pierini, S Plaszczynski, S Rodier, P Roudeau, MH Schune, A Stocchi, G Wormser, CH Cheng, DJ Lange, MC Simani, DM Wright, AJ Bevan, CA Chavez, IJ Forster, JR Fry, E Gabathuler, R Gamet, KA George, DE Hutchcroft, RJ Parry, DJ Payne, KC Schofield, C Touramanis, CM Cormack, F Di Lodovico, W Menges, R Sacco, CL Brown, G Cowan, HU Flaecher, MG Green, DA Hopkins, PS Jackson, TR McMahon, S Ricciardi, F Salvatore, D Brown, CL Davis, J Allison, NR Barlow, RJ Barlow, CL Edgar, MC Hodgkinson, MP Kelly, GD Lafferty, MT Naisbit, JC Williams, C Chen, WD Hulsbergen, A Jawahery, D Kovalskyi, CK Lae, DA Roberts, G Simi, G Blaylock, C Dallapiccola, SS Hertzbach, R Kofler, VB Koptchev, X Li, TB Moore, S Saremi, H Staengle, S Willocq, R Cowan, K Koeneke, G Sciolla, SJ Sekula, M Spitznagel, F Taylor, RK Yamamoto, H Kim, PM Patel, SH Robertson, A Lazzaro, V Lombardo, F Palombo, JM Bauer, L Cremaldi, V Eschenburg, R Godang, R Kroeger, J Reidy, DA Sanders, DJ Summers, HW Zhao, S Brunet, D Côté, P Taras, B Viaud, H Nicholson, N Cavallo, G De Nardo, F Fabozzi, C Gatto, L Lista, D Monorchio, P Paolucci, D Piccolo, C Sciacca, M Baak, H Bulten, G Raven, HL Snoek, L Wilden, CP Jessop, JM LoSecco, T Allmendinger, G Benelli, KK Gan, K Honscheid, D Hufnagel, PD Jackson, H Kagan, R Kass, T Pulliam, AM Rahimi, R Ter-Antonyan, QK Wong, J Brau, R Frey, O Igonkina, M Lu, CT Potter, NB Sinev, D Strom, J Strube, E Torrence, F Galeazzi, M Margoni, M Morandin, M Posocco, M Rotondo, F Simonetto, R Stroili, C Voci, M Benayoun, H Briand, J Chauveau, P David, L Del Buono, Ch de la Vaissière, O Hamon, MJJ John, Ph Leruste, J Malclès, J Ocariz, L Roos, G Therin, PK Behera, L Gladney, QH Guo, J Panetta, M Biasini, R Covarelli, S Pacetti, M Pioppi, C Angelini, G Batignani, S Bettarini, F Bucci, G Calderini, M Carpinelli, R Cenci, F Forti, MA Giorgi, A Lusiani, G Marchiori, M Morganti, N Neri, E Paoloni, M Rama, G Rizzo, J Walsh, M Haire, D Judd, DE Wagoner, J Biesiada, N Danielson, P Elmer, YP Lau, C Lu, J Olsen, AJS Smith, AV Telnov, F Bellini, G Cavoto, A D’Orazio, E Di Marco, R Faccini, F Ferrarotto, F Ferroni, M Gaspero, L Li Gioi, MA Mazzoni, S Morganti, G Piredda, F Polci, F Safai Tehrani, C Voena, H Schröder, G Wagner, R Waldi, T Adye, N De Groot, B Franek, GP Gopal, EO Olaiya, FF Wilson, R Aleksan, S Emery, A Gaidot, SF Ganzhur, P-F Giraud, G Graziani, G Hamel de Monchenault, W Kozanecki, M Legendre, GW London, B Mayer, G Vasseur, Ch Yèche, M Zito, MV Purohit, AW Weidemann, JR Wilson, FX Yumiceva, T Abe, MT Allen, D Aston, N van Bakel, R Bartoldus, N Berger, AM Boyarski, OL Buchmueller, R Claus, JP Coleman, MR Convery, M Cristinziani, JC Dingfelder, D Dong, J Dorfan, D Dujmic, W Dunwoodie, S Fan, RC Field, T Glanzman, SJ Gowdy, T Hadig, V Halyo, C Hast, T Hryn’ova, WR Innes, MH Kelsey, P Kim, ML Kocian, DWGS Leith, J Libby, S Luitz, V Luth, HL Lynch, H Marsiske, R Messner, DR Muller, CP O’Grady, VE Ozcan, A Perazzo, M Perl, BN Ratcliff, A Roodman, AA Salnikov, RH Schindler, J Schwiening, A Snyder, J Stelzer, D Su, MK Sullivan, K Suzuki, S Swain, JM Thompson, J Va’vra, M Weaver, WJ Wisniewski, M Wittgen, DH Wright, AK Yarritu, K Yi, CC Young, PR Burchat, AJ Edwards, SA Majewski, BA Petersen, C Roat, M Ahmed, S Ahmed, MS Alam, JA Ernst, MA Saeed, FR Wappler, SB Zain, W Bugg, M Krishnamurthy, SM Spanier, R Eckmann, JL Ritchie, A Satpathy, RF Schwitters, JM Izen, I Kitayama, XC Lou, S Ye, F Bianchi, M Bona, F Gallo, D Gamba, M Bomben, L Bosisio, C Cartaro, F Cossutti, G Della Ricca, S Dittongo, S Grancagnolo, L Lanceri, L Vitale, F Martinez-Vidal, RS Panvini, Sw Banerjee, B Bhuyan, CM Brown, D Fortin, K Hamano, R Kowalewski, JM Roney, RJ Sobie, JJ Back, PF Harrison, TE Latham, GB Mohanty, HR Band, X Chen, B Cheng, S Dasu, M Datta, AM Eichenbaum, KT Flood, M Graham, JJ Hollar, JR Johnson, PE Kutter, H Li, R Liu, B Mellado, A Mihalyi, Y Pan, R Prepost, P Tan, JH von Wimmersperg-Toeller, SL Wu, Z Yu, H Neal
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Performance of multi-anode photomultiplier tubes for the LHCb RICH detectors

NUCL INSTRUM METH A 546:1-2 (2005) 93-98

Authors:

J Bibby, A Buckley, R Chamonal, S Easo, S Eisenhardt, V Gibson, N Harnew, F Muheim, A Howard, J Lawrence, A Pickford, R Plackett, D Price, J Rademacker, N Smale, FJP Soler, L Somerville, J Storey, D Websdale, G Wilkinson, S Wotton

Abstract:

An array of Multi-anode Photomultiplier Tubes (MaPMT) was evaluated for use in the LHCb Ring Imaging Cherenkov (RICH) detectors using a prototype RICH detector in a charged particle beam. The MaPMT performance was measured with different radiator gases with and without lenses. The performance of the MaPMTs in terms of photon yield and pixel cross-talk is presented. (c) 2005 Elsevier B.V. All rights reserved.
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