The Isotope Matter-Antimatter Experiment Time-of-Flight System

Creators: Mitchell, J. W.; Barbier, L. M.; Christian, E. R.; Hof, M.; Holder, S.F.; Labrador, A. W.; Menn, W.; Ormes, J. F.; Reimer, O.; Simon, M.; Stochaj, S. J.; Streitmatter, R. E.

Others:: Leahy, D. A.; Hickws, R. B.; Venkatesan, D.

Abstract

A state-of-the-art time-of-flight (TOF) system has been developed for measuring particle velocities in the Isotope Matter-Antimatter Experiment (IMAX), a balloon-borne magnetic-rigidity spectrometer designed to measure the abundances and spectra of antiprotons and light isotopes in the cosmic radiation. Preliminary time-of-flight resolutions of 130 ps for protons and 105 ps for helium have been obtained. A description of the TOF system and an initial evaluation of its flight pertonnance are presented.

Additional Information

© University of Calgary. Provided by the NASA Astrophysics Data System. This research was supported in the United States by NASA under ATOP 353-87-02 (GSFC) and grants NAGW-1418 (NMSU/BBMF) and NAGW-1919 (Caltech) and in Germany by the DFG and the BMFT.

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