P. Biddulph
University of Manchester
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Publication
Featured researches published by P. Biddulph.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1994
H. Cronström; V. Hedberg; C. Jacobsson; L. Jönsson; H. Lohmander; M. Nyberg; Ian Kenyon; H. Phillips; P. Biddulph; P. Finnegan; J.M. Foster; S. Gilbert; C.D. Hilton; M. Ibbotson; A. Mehta; P. Sutton; K. Stephens; R. J. Thompson
Abstract The H1 detector started taking data at the electron-proton collider HERA in the beginning of 1992. In HERA 30 GeV electrons collide with 820 GeV protons giving a strong boost of the centre-of-mass system in the direction of the proton, also called the forward region. For the detection of high momentum muons in this region a muon spectrometer has been constructed, consisting of six drift chamber planes, three either side of a toroidal magnet. A first brief description of the system and its main parameters as well as the principles for track reconstruction and T 0 determination is given.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2002
E. Barrelet; B. Andrieu; A. Babaev; E. Banas; D. Bederede; P. Biddulph; K. Borras; F. Brasse; V. Brisson; P. Burmeister; G. Buschhorn; B. Canton; U. Cornett; G. Cozzika; J. Cvach; A. Cyz; D. Darvill; M. David; F. Descamps; A. Drescher; U. Dretzler; G. Ernst; G. Falley; R. Felst; J. Feltesse; J. Ferencei; W. Flauger; M. Fleischer; J. Formánek; K. Gadow
The ionization probes used for monitoring the liquid argon purity in the H1 calorimeter are described and results of their operation in tests at CERN and during the period 1992 to the end of 1998 at HERA are given. The high sensitivity of the charge measurements leads to refined charge collection models, and to the observation of a variation of the ionization yield of our electron sources with temperature.The ionization probes used for monitoring the liquid argon purity in the H1 calorimeter are described and results of their operation in tests at CERN and during the period 1992 to the end of 1998 at HERA are given. The high sensitivity of the charge measurements leads to refined charge collection models, and to the observation of a variation of the ionization yield of our electron sources with temperature.
