F. Cavanna
CERN
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Featured researches published by F. Cavanna.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1990
C. Bacci; A. Bezaguet; D. Bloess; A. Caner; F. Cavanna; F.J. Diez-Hedo; D. Drijard; L. Dumps; A. DiCiaccio; H. Evans; A. Fernando; A. Givernaud; A. Gonidec; M.I. Josa; M. Krammer; F. Lacava; M. Lindgren; C. Markou; G. Maurin; K. Morgan; R.C. Muñoz; L. Naumann; Emilio Petrolo; A. Placci; L. Pontecorvo; E. Radermacher; D. Robinson; T. Rodrigo; C. Rubbia; J. Salicio
Abstract A uranium tetramethylpentane hadronic calorimeter has been tested using electrons and pions of 7 GeV/ c momentum with electric fields varying from 0.8 to 16.0 kV/cm; the e/π charge collection ratio has been measured as a function of the electric field within this range. It is observed that the e/π ratio can be tuned acting on the electric field without spoiling the energy resolution for electrons. At the same time the energy resolution for pions is improved. The effect was cross-checked using a second module and 40 GeV/ c electron and pion beams.
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.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1991
C. Bacci; A. Bezaguet; D. Bloess; A. Caner; F. Cavanna; F.J. Diez-Hedo; D. Drijard; L. Dumps; H. Evans; A. Ferrando; A. Givernaud; A. Gonidec; M.I. Josa; M. Krammer; M.A. Marquina; G. Maurin; K. Morgan; R.C. Muñoz; L. Naumann; P. Nedelec; Emilio Petrolo; A. Placci; L. Pontecorvo; E. Radermacher; D. Robinson; T. Rodrigo; C. Rubbia; J. Salicio; D. Schinzel; C. Seez
Abstract A section of the UA1 uranium/tetramethylpentane forward calorimeter has been tested with muon and electron beams from the CERN Super Proton Synchrotron. The module has a semi-octagonal shape, so that it will closely surround the beam pipe in the end-cap calorimeter region. The mechanical and electrical requirements of this design, needed to provide a full hermeticity for a large detector, have been successfully solved to achieve an excellent overall response of the calorimeter.
Physics Letters B , 253 (3-4) pp. 503-510. (1991) | 1991
C. Albajar; M. Albrow; O.C. Allkofer; K. Ankoviak; R. J. Apsimon; B. Aubert; C. Bacci; S. Bartha; G. Bauer; A. Bettini; A. Bezaguet; P. Biddulph; H. Bohn; A. Böhrer; R. Bonino; K. Bos; M. Botlo; D. Brockhausen; C. Buchanan; B. Buschbeck; G. Busetto; A. Caner; P. Casoli; H. Castilla-Valdez; F. Cavanna; P. Cennini; S. Centro; F. Ceradini; G. Ciapetti; Sergio Cittolin
