The main goal of the KLOE experiment at the Frascati DAFNE f factory is the study CP violation in kaon decays. The tracking device of the experiment is a drift chamber whose dimensions, 4m of diameter and 3.3m length, provide a large acceptance volume for the decay products of low momentum KL (lL ¼ 3:4 m). A complete stereo geometry with 12.582 cells arranged in 58 layers guarantees a high and uniform efficiency in the reconstruction of the charged KL decays. Very light materials have been chosen both for the drift medium, a helium-based gas mixture, and for the mechanical structure, made of carbon fiber, to minimize multiple scattering and conversion of low-energy photons. The design requirements, the adopted solutions together with the calibration procedure and the tracking performances of the drift chamber are discussed.

The KLOE drift chamber VCI 2001 / M., A., A., A., F., A., A., A., A., A., M., A., F., A., C., B., A., B., G., B., Bellini, F., G., B., S., B., Bini, C., C., B., V., B., F., B., P., B., S. A., B., G., C., et al.. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - STAMPA. - 478:1-2(2002), pp. 138-141. (9th International Vienna Conference on Instrumentation VIENNA, AUSTRIA FEB 19-23, 2001) [10.1016/s0168-9002(01)01736-3].

The KLOE drift chamber VCI 2001

BELLINI, Fabio;BINI, Cesare;DI DOMENICO, Antonio;GAUZZI, Paolo;LACAVA, Francesco;PASSALACQUA, LUCA;PATERA, Vincenzo;SCIUBBA, Adalberto;
2002

Abstract

The main goal of the KLOE experiment at the Frascati DAFNE f factory is the study CP violation in kaon decays. The tracking device of the experiment is a drift chamber whose dimensions, 4m of diameter and 3.3m length, provide a large acceptance volume for the decay products of low momentum KL (lL ¼ 3:4 m). A complete stereo geometry with 12.582 cells arranged in 58 layers guarantees a high and uniform efficiency in the reconstruction of the charged KL decays. Very light materials have been chosen both for the drift medium, a helium-based gas mixture, and for the mechanical structure, made of carbon fiber, to minimize multiple scattering and conversion of low-energy photons. The design requirements, the adopted solutions together with the calibration procedure and the tracking performances of the drift chamber are discussed.
2002
drift chamber; resolution; tracking
01 Pubblicazione su rivista::01a Articolo in rivista
The KLOE drift chamber VCI 2001 / M., A., A., A., F., A., A., A., A., A., M., A., F., A., C., B., A., B., G., B., Bellini, F., G., B., S., B., Bini, C., C., B., V., B., F., B., P., B., S. A., B., G., C., et al.. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - STAMPA. - 478:1-2(2002), pp. 138-141. (9th International Vienna Conference on Instrumentation VIENNA, AUSTRIA FEB 19-23, 2001) [10.1016/s0168-9002(01)01736-3].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/248165
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