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This paper illustrates a method for the discrimination between πs and μs through the energy measurement and tracking capability of a hadron calorimeter followed by a system of chambers. Data taken in a test run with π and μ beams have been analyzed and compared with a sample indicated as π + μ. These π + μ events are obtained off line by taking one muon and one pion, superimposing their digital patterns and summing up their energy releases. The discriminant analysis employed provides a level of identification of about 99.5%. Such a result is very close to the physical limit corresponding to events with sail-through pions.

Pion muon identification in the aleph test hadron calorimeter using discriminant analysis / Baldini, R.; Batignani, G.; Bencivenni, G.; Bologna, G.; Bossi, F.; Bottigli, U.; Bradaschia, C.; Campana, P.; Capon, G.; Catanesi, M. G.; Chiarella, V.; de Palma, M.; D'Ettorre Piazzoli, B.; Felici, G.; Foa', L.; Forti, F.; Giassi, A.; Giorgi, M. A.; Iaselli, G.; Laurelli, P.; Lin, J. F.; Maggi, G.; Mannocchi, G. P.; Murtas, G. P.; Natali, S.; Nicoletti, G.; Pallotta, M.; Picchi, P.; Raimondi, P.; Ranieri, A.; Romano, F.; Scapellato, S.; Selvaggi, G.; Triggiani, G.; Tupputi, R.; Zito, G.. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - STAMPA. - 251:3(1986), pp. 449-456. [10.1016/0168-9002(86)90638-8]

Pion muon identification in the aleph test hadron calorimeter using discriminant analysis

Iaselli, G.;Maggi, G.;
1986-01-01

Abstract

This paper illustrates a method for the discrimination between πs and μs through the energy measurement and tracking capability of a hadron calorimeter followed by a system of chambers. Data taken in a test run with π and μ beams have been analyzed and compared with a sample indicated as π + μ. These π + μ events are obtained off line by taking one muon and one pion, superimposing their digital patterns and summing up their energy releases. The discriminant analysis employed provides a level of identification of about 99.5%. Such a result is very close to the physical limit corresponding to events with sail-through pions.
1986
Pion muon identification in the aleph test hadron calorimeter using discriminant analysis / Baldini, R.; Batignani, G.; Bencivenni, G.; Bologna, G.; Bossi, F.; Bottigli, U.; Bradaschia, C.; Campana, P.; Capon, G.; Catanesi, M. G.; Chiarella, V.; de Palma, M.; D'Ettorre Piazzoli, B.; Felici, G.; Foa', L.; Forti, F.; Giassi, A.; Giorgi, M. A.; Iaselli, G.; Laurelli, P.; Lin, J. F.; Maggi, G.; Mannocchi, G. P.; Murtas, G. P.; Natali, S.; Nicoletti, G.; Pallotta, M.; Picchi, P.; Raimondi, P.; Ranieri, A.; Romano, F.; Scapellato, S.; Selvaggi, G.; Triggiani, G.; Tupputi, R.; Zito, G.. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - STAMPA. - 251:3(1986), pp. 449-456. [10.1016/0168-9002(86)90638-8]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/1213
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