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High Resolution Cherenkov Detectors for Use in a Cosmic Ray Isotope Spectrometer

Christian, E. R. and Grove, J. E. and Mewaldt, R. A. and Schindler, S. M. and Zukowski, T. and Kish, J. C. and Webber, W. R. (1987) High Resolution Cherenkov Detectors for Use in a Cosmic Ray Isotope Spectrometer. In: Proceedings of the 21st International Cosmic Ray Conference. Vol.2. , Nakau, Russia, pp. 382-385. https://resolver.caltech.edu/CaltechAUTHORS:20140513-103520046

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Abstract

We describe the development of new high-resolution Cerenkov detectors for use in an instrument designed to measure the isotopic composition of cosmic ray nuclei from Be to Ni (Z = 4 to 28). The latest version of this balloon-borne instrument contains two new large-area, (-0.5 m^2) Cerenkov detectors, one composed of Teflon and a second of Pilot- 425. Through the use of improved light-collection techniques, and a novel radiator design, the photoelectron yield of these counters has been upgraded significantly over that of earlier counters. In particular, the greatly improved Cerenkov light yield achieved with Teflon makes it an attractive alternative to available liquid counters of similar index of refraction. Laboratory tests of these and other Cerenkov radiators are described, along with estimates of the mass resolution that can be achieved.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu/full/1987ICRC....2..382CADSArticle
ORCID:
AuthorORCID
Christian, E. R.0000-0003-2134-3937
Mewaldt, R. A.0000-0003-2178-9111
Additional Information:© INR. Provided by the NASA Astrophysics Data System. We are grateful to E. C. Stone for important contributions to this work. We also thank N, Vogt for help in the Cerenkov counter fabrication and testing. Supported in part by NASA under grants NGR 05-002-160 at Caltech and NGR 30-002-052 at UNH.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANGR 05-002-160
NASANGR 30-002-052
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory1987-16
Record Number:CaltechAUTHORS:20140513-103520046
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140513-103520046
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45715
Collection:CaltechAUTHORS
Deposited By: Joy Painter
Deposited On:13 May 2014 17:41
Last Modified:09 Mar 2020 13:18

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