Malcolm John: Publications

Latest beam test results from RICH prototypes using hybrid photo detectors and multi anode PMTs

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 433:1 (1999) 159-163

Authors:

E Albrecht, M Alemi, G Barber, JH Bibby, NH Brook, A Duane, S Easo, L Eklund, V Gibson, T Gys, AW Halley, N Harnew, M John, D Piedigrossi, B Simmons, N Smale, P Teixeira-Dias, D Websdale, SA Wotton, K Wyllie

Abstract:

Beam tests were performed to investigate the performance of a prototype of the downstream ring imaging counter (RICH) of the LHCb using hybrid photodiodes and multi-anode photomultipliers. The Cerenkov angle resolution obtained for the three types of photodetectors tested agreed well with the expectations from simulations. Using 61-pixel hybrid photodiodes, a single photon resolution of 0.35 mrad was attained and the particle identification capability was demonstrated.

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Measurement of Charm Meson Lifetimes

Physical Review Letters American Physical Society (APS) 82:23 (1999) 4586-4590

Authors:

G Bonvicini, D Cinabro, R Greene, LP Perera, GJ Zhou, S Chan, G Eigen, E Lipeles, M Schmidtler, A Shapiro, WM Sun, J Urheim, AJ Weinstein, F Würthwein, DE Jaffe, G Masek, HP Paar, EM Potter, S Prell, V Sharma, DM Asner, A Eppich, J Gronberg, TS Hill, CM Korte, DJ Lange, RJ Morrison, HN Nelson, TK Nelson, D Roberts, H Tajima, BH Behrens, WT Ford, A Gritsan, H Krieg, J Roy, JG Smith, JP Alexander, R Baker, C Bebek, BE Berger, K Berkelman, V Boisvert, DG Cassel, DS Crowcroft, M Dickson, S von Dombrowski, PS Drell, DJ Dumas, KM Ecklund, R Ehrlich, AD Foland, P Gaidarev, L Gibbons, B Gittelman, SW Gray, DL Hartill, BK Heltsley, S Henderson, PI Hopman, N Katayama, DL Kreinick, T Lee, Y Liu, TO Meyer, NB Mistry, CR Ng, E Nordberg, M Ogg, JR Patterson, D Peterson, D Riley, A Soffer, JG Thayer, PG Thies, B Valant-Spaight, A Warburton, C Ward, M Athanas, P Avery, CD Jones, M Lohner, C Prescott, AI Rubiera, J Yelton, J Zheng, G Brandenburg, RA Briere, A Ershov, YS Gao, DY-J Kim, R Wilson, TE Browder, Y Li, JL Rodriguez, H Yamamoto, T Bergfeld, BI Eisenstein, J Ernst, GE Gladding, GD Gollin, RM Hans, E Johnson, I Karliner, MA Marsh, M Palmer, C Plager, C Sedlack, M Selen, JJ Thaler, J Williams, KW Edwards, A Bellerive, R Janicek, PM Patel, AJ Sadoff, R Ammar, P Baringer, A Bean, D Besson, D Coppage, R Davis, S Kotov, I Kravchenko, N Kwak, L Zhou, S Anderson, Y Kubota, SJ Lee, R Mahapatra, JJ O'Neill, R Poling, T Riehle, A Smith, MS Alam, SB Athar, Z Ling, AH Mahmood, S Timm, F Wappler, A Anastassov, JE Duboscq, KK Gan, C Gwon, T Hart, K Honscheid, H Kagan, R Kass, J Lee, J Lorenc, H Schwarthoff, A Wolf, MM Zoeller, SJ Richichi, H Severini, P Skubic, A Undrus, M Bishai, S Chen, J Fast, JW Hinson, N Menon, DH Miller, EI Shibata, IPJ Shipsey, S Glenn, Y Kwon, AL Lyon, EH Thorndike, CP Jessop, K Lingel, H Marsiske, ML Perl, V Savinov, D Ugolini, X Zhou, TE Coan, V Fadeyev, I Korolkov, Y Maravin, I Narsky, R Stroynowski, J Ye, T Wlodek, M Artuso, S Ayad, E Dambasuren, S Kopp, G Majumder, GC Moneti, R Mountain, S Schuh, T Skwarnicki, S Stone, A Titov, G Viehhauser, JC Wang, SE Csorna, KW McLean, S Marka, Z Xu, R Godang, K Kinoshita, IC Lai, P Pomianowski, S Schrenk

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First observation of Cherenkov ring images using hybrid photon detectors

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 411:2-3 (1998) 249-264

Authors:

E Albrecht, G Barber, JH Bibby, NH Brook, A Duane, M French, V Gibson, R Giles, AW Halley, N Harnew, M John, DG Miller, V O'Shea, R Schomaker, N Smale, D Websdale, G Wilkinson, SA Wotton

Abstract:

A ring-imaging Cherenkov detector, equipped with hybrid photon detectors, has been operated in a charged-particlc beam. Focussed ring images from various particle types were detected using silica aerogel, air and C4F10 gas radiators. The detector, a prototype for the CERN LHC-B experiment, is described and first observations are reported, © IWS Elsevier Science B.V. All rights reserved.

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Measurement of CP observables in B-->DK*+ decays using two and four body D final states

Journal of High Energy Physics Institute of Physics Publishing

Authors:

Sneha Malde, G wilkinson, Neville Harnew, M John, M Vesterinen

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Observation of an exotic narrow doubly charmed tetraquark

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Malcolm John

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Latest beam test results from RICH prototypes using hybrid photo detectors and multi anode PMTs

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Measurement of Charm Meson Lifetimes

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First observation of Cherenkov ring images using hybrid photon detectors

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Abstract:

Measurement of CP observables in B-->DK*+ decays using two and four body D final states

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Observation of an exotic narrow doubly charmed tetraquark

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Latest beam test results from RICH prototypes using hybrid photo detectors and multi anode PMTs

Authors:

Abstract:

Measurement of Charm Meson Lifetimes

Authors:

First observation of Cherenkov ring images using hybrid photon detectors

Authors:

Abstract:

Measurement of CP observables in B-->DK*+ decays using two and four body D final states

Authors:

Observation of an exotic narrow doubly charmed tetraquark