J. Gronberg
University of California, Los Angeles
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Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1991
R. J. Apsimon; C. Bacci; G. Bauer; A. Bezaguet; D. Bloess; J. M. Bodenes; R. Bonino; C. Buchanan; G. Busetto; A. Caner; L. Casoli; H. Castilla-Valdez; F. Cavanna; P. Cennini; S. Centro; F. Ceradini; R. Conte; M. Dellanegra; Anna Di Ciaccio; Giorgi M. De; Hedo F. J. Diez; D. Drijard; L. Dumps; H. Evans; A. Ferrando; T A. Fuess; A. Givernaud; A. Gonidec; J. Gronberg; I. Josa-Mutuberria
We present results from the barrel depleted uranium/TMP calorimeter modules constructed by the UA1 Collaboration. Electromagnetic and hadronic energy resolutions have been measured using electron and pion beams with momenta in the range 7 to 70 GeV/c. Results on the energy linearity and the spatial uniformity of response are reported. The electromagnetic shower position resolution has been measured as a function of energy using a fine grained position detector placed at a depth of − 3.5small chi, Greek0. The noise arising both from the electronics chain and from the uranium radioactivity is compared with 70 GeV/c muon signals. The ratio of the electron to pion response has been measured both as a function of the energy and of the electric field. The high lateral and longitudinal granularity of the calorimeter and the presence of a position detector have been used to determine the electron pion separation as a function of energy.
