A new cylindrical drift chamber is currently under construction for the MEG II experiment. The chamber is meant to track low momentum positrons from mu(+) decays to search for mu(+)-> e(+)gamma events. The detector is segmented in very small drift cells, placed in stereo configuration and operated in a helium-isobutane gas mixture. The use of thin aluminium wires and light gas mixture set the total radiation length of the chamber to only 1.6 x 10(-3)X(0) per track turn allowing for a momentum resolution of similar to 120 keV/c. (C) 2015 Elsevier B.V. All rights reserved.

A new cylindrical drift chamber for the MEG II experiment

Baracchini E;
2016

Abstract

A new cylindrical drift chamber is currently under construction for the MEG II experiment. The chamber is meant to track low momentum positrons from mu(+) decays to search for mu(+)-> e(+)gamma events. The detector is segmented in very small drift cells, placed in stereo configuration and operated in a helium-isobutane gas mixture. The use of thin aluminium wires and light gas mixture set the total radiation length of the chamber to only 1.6 x 10(-3)X(0) per track turn allowing for a momentum resolution of similar to 120 keV/c. (C) 2015 Elsevier B.V. All rights reserved.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/20.500.12571/993
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