The main goal of the KLOE experiment is the study of CP violation in the K mesons system, with an accuracy of 10(-4) in the measurement of Re(epsilon'/epsilon). This task imposes strong constraints on the design and operation of the drift chamber, which must reconstruct the charged decays of low momentum K-L's and K-S's with high efficiency and high resolution, full-length prototype of the chamber has been built and tested on a 50 GeV/c beam. The analysis of the large sample of data has allowed a detailed study of the time to distance relations as a function of the track parameters and of the peculiar geometry of the drift cell, The detector performance, in terms of efficiency, spatial resolutions and dE/dx resolution, is illustrated and discussed. (C) 1998 Elsevier Science B.V. All rights reserved.
The full-length prototype of the KLOE drift chamber / A., Andryakov; C., Avanzini; C., Bacci; H., Beker; G., Bencivenni; L., Bucci; G., Cataldi; F., Ceradini; P., Creti; E., De Lucia; A., Denig; P., De Simone; F., Donno; V., Elia; G., Felici; G., Finocchiaro; V., Golovatyuk; E., Gorini; F., Grancagnolo; W., Grandegger; U., Vonhagel; W., Kluge; Lacava, Francesco; C., Luisi; G., Margutti; R., Messi; M., Panareo; L., Paoluzi; E., Pasqualucci; Patera, Vincenzo; D., Picca; L., Pontecorvo; M., Primavera; S., Spagnolo; P., Valente. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - 404:2-3(1998), pp. 248-264. [10.1016/s0168-9002(97)01154-6]
The full-length prototype of the KLOE drift chamber
LACAVA, Francesco;PATERA, Vincenzo;
1998
Abstract
The main goal of the KLOE experiment is the study of CP violation in the K mesons system, with an accuracy of 10(-4) in the measurement of Re(epsilon'/epsilon). This task imposes strong constraints on the design and operation of the drift chamber, which must reconstruct the charged decays of low momentum K-L's and K-S's with high efficiency and high resolution, full-length prototype of the chamber has been built and tested on a 50 GeV/c beam. The analysis of the large sample of data has allowed a detailed study of the time to distance relations as a function of the track parameters and of the peculiar geometry of the drift cell, The detector performance, in terms of efficiency, spatial resolutions and dE/dx resolution, is illustrated and discussed. (C) 1998 Elsevier Science B.V. All rights reserved.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
