G. Cases
Autonomous University of Madrid
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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.
European Physical Journal A | 1990
W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; A. J. Martin; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Genser; H. Hultschig; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; D. Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros; D. Trines; R. Walczak; G. Wolf
AbstractJet properties ine+e− annihilation at center of mass energies of 14, 22, 35 and 43.7 GeV were studied with the data collected in the TASSO detector at PETRA, using the same evaluation procedures for all the energies. The total hadronic cross section ratio for the center of mass energy interval 39–47 GeV was determined to be ℛ=4.11±0.05 (stat)±0.18(syst.) at
European Physical Journal C | 1990
W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; A. J. Martin; F. Barreiro; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Gather; K. Genser; H. Hultschig; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; D. Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros; D. Trines
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1990
F. Barreiro; G. Cases; P. Cloth; K. Dierks; G. Drews; J. Engelen; D. Filges; M.A. Garcia; R. Klanner; U. Kötz; J. Krüger; G. M. Levman; J. F. Martin; H.-J. Möhring; F. Selonke; G. Sterzenbach; J. Straver; H. Tiecke; T. Tymieniecka
\langle \sqrt s \rangle = 43 - 7
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1994
U. Behrens; G. Cases; A. Freidhof; A. Fürtjes; J. W. Mitchell; K. Molthagen; B. Surrow; T. Tsurugai; R. Yoshida
European Physical Journal C | 1990
W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; A. J. Martin; F. Barreiro; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Gather; K. Genser; H. Hultschig; P. Joos; J. G. Körner; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; D. Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros
GeV. Corrected distributions of global shape variables are presented as well as the inclusive charged particle distributions for scaled momentum and transverse momentum. The center of mass energy evolution of the average sphericity, thrust, aplanarity and particle momentum is shown.
European Physical Journal C | 1990
W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; A. J. Martin; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Genser; H. Hultschig; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; D. Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros; D. Trines; R. Walczak; G. Wolf
AbstractThe full TASSO data have been used to study the inclusive production of strange mesons ine+e− annihilations. Differential and total cross sections have been measured in the centre of mass energy range 14 to 44 GeV forK0,
European Physical Journal C | 1990
W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; Andre Martin; F. Barreiro; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Gather; K. Genser; H. Hultschig; P. Joos; J. G. Körner; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; Dieter Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros
European Physical Journal C | 1990
W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; Hans Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; Alain J. Martin; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Genser; H. Hultschig; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; Dieter Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros; D. Trines; R. Walczak; G. Wolf
\bar K^0
European Physical Journal C | 1990
W. Braunschweig; R. Gerhards; F. J. Kirschfink; H.-U. Martyn; H. M. Fischer; H. Hartmann; J. Hartmann; E. Hilger; A. Jocksch; R. Wedemeyer; B. Foster; Andre Martin; E. Bernardi; J. J. Chwastowski; A. Eskreys; K. Genser; H. Hultschig; P. Joos; H. Kowalski; A. Ladage; B. Löhr; D. Lüke; P. Mättig; Dieter Notz; J. M. Pawlak; K. U. Pösnecker; E. Ros; D. Trines; R. Walczak; G. Wolf
