G. G. Stairs
University of Toronto
Network
Latest external collaboration on country level. Dive into details by clicking on the dots.
Publication
Featured researches published by G. G. Stairs.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1991
A. Andresen; A. Bamberger; J. Hartmann; W. Vogel; U. Holm; E. Hilger; U. Kötz; G. Drews; R. Hamatsu; J. K. Mayer; H. Uijterwaal; J.F. Martin; D. Schäcke; J. Krüger; D. J. Gilkinson; S. Ritz; T. A. Romanowski; S. Yamada; G. Cases; M. Brkic; R. Klanner; U. Behrens; T. Tsurugai; L. Hagge; H. Kammerlocher; A. Bargende; F. Barreiro; C. Youngman; J. Dawson; G. G. Stairs
Abstract The forward and rear calorimeters of the ZEUS experiment are made of 48 modules with maximum active dimensions of 4.6 m height, 0.2 m width, 7 λ depth and maximum weight of 12 t. It consists of 1 X 0 uranium plates interleaved with plastic scintillator tiles read out via wavelength shifters and photomultipliers. The mechanical construction, the achieved tolerances as well as the optical and electronics readout are described. Ten of these modules have been tested with electrons, hadrons and muons in the momentum range 15–100 GeV/ c . Results on resolution, uniformity and calibration are presented. Our main result is the achieved calibration accuracy of about 1% obtained by using the signal from the uranium radioactivity.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1990
U. Behrens; J. Crittenden; K. Dierks; G. Drews; J. Engelen; B. Frisken; R. Hamatsu; D. Hanna; U. Holm; M.A. Garcia; D. Hasell; T. Hasegawa; R. Klanner; O. Köll; P. Kooijman; U. Kötz; M. Krämer; J. Krüger; J. Lehmann; G. M. Levman; D. Lüke; J. F. Martin; P. Neelin; M. Rohde; E. Ros; F. Selonke; G.R. Smith; G. G. Stairs; J. Straver; H. Tiecke
Abstract Four prototype modules following the same design as the ZEUS forward calorimeter (FCAL) modules have been constructed and tested with electrons, hadrons and muons in the momentum range of 1 to 100 GeV/ c . The main topics under investigation were: calibration, uniformity of response, noise, light yield, energy resolution and the electron to hadron response (e/h ratio). The result of the measurements is presented and the expected performance of the FCAL is discussed in the light of these results.
