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Response of Ionization Chambers and Cherenkov Counters to Relativistic Ultraheavy Nuclei

Klarmann, J. and Waddington, C. J. and Binns, W. R. and Garrard, T. L. and Gibner, P. S. and Israel, M. H. (1987) Response of Ionization Chambers and Cherenkov Counters to Relativistic Ultraheavy Nuclei. In: Proceedings of the 21st International Cosmic Ray Conference. Vol.2. , Nakau, Russia, p. 390.

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We shall report results from a calibration of a set of high-resolution ionization chambers and Cherenkov counters at the Lawrence Berkeley Laboratory Bevalac, in November 1986. We obtained exposures to beams of 26Fe, 57La, 67Ho, and 79Au, at several diffyfent energies, ranging from -300 MeV/amu to a maximum between 1 and 1.6 Ge V lamu. The detectors were basically similar to those used in the HEA0-3 HNE (Binns et al. 1981) and these exposures were intended to calibrate the response of the HNE detectors to UH nuclei in the cosmic radiation. For nuclei of low .atomic number (Z), the response of these detectors scales like Z2; however, at high Z this scaling is expected to break down (Ahlen 1980,1982; Derrickson et til. 1981).

Item Type:Book Section
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URLURL TypeDescription
Binns, W. R.0000-0001-6110-3407
Israel, M. H.0000-0002-8104-208X
Additional Information:© INR. Provided by the NASA Astrophysics Data System. E.C. Stone would have been a co-author of this paper were it not for the limitation of 10 papers per author. It is a pleasure to acknowledge the help of the staff at LBL, especially Hank Crawford, Jack Engelage, Mel Flores and Fred Lothrop. Arlow Becker constructed and installed the Cherenkov detector. John Epstein constructed the ion chambers and aligned the instrument. The work was supported by NASA grants NAG 8-498,. 500~ 502 and NGR 05-002-160, 24-005-050 and 26-008-001.
Group:Space Radiation Laboratory
Funding AgencyGrant Number
NASANGR 05-002-160
NASANGR 24-005-050
NASANGR 26-008-001
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Space Radiation Laboratory1987-08
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ID Code:45697
Deposited By: Joy Painter
Deposited On:12 May 2014 21:12
Last Modified:09 Mar 2020 13:18

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