Biehl, A. T. and Montgomery, R. A. and Neher, H. V. and Pickering, W. H. and Roesch, W. C. (1948) A New Cosmic-Ray Telescope for High Altitudes. Reviews of Modern Physics, 20 (1). pp. 353-359. ISSN 0034-6861. doi:10.1103/RevModPhys.20.353. https://resolver.caltech.edu/CaltechAUTHORS:20140731-164124087
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Abstract
A cosmic-ray telescope is described having an angular resolution of approximately ±15°. The distance between the two outermost trays, each containing 8 Geiger counters, is 1 meter. The area of each tray is approximately 24×24 cm^2. Triple coincidences modulate a transmitter and the signals, including those giving the air pressure and temperature of the instrument, are recorded on the ground. The counting rate is such that at the peak of the curve the relative probable error during a 4 minute interval is about 1.5 percent. Accidental counts are found to be nearly negligible at all altitudes and latitudes, but some correction needs to be made for loss in efficiency because of the inherent dead time of the counters. An absolute determination of cosmic-ray intensity at the vertical at Pasadena was made in order to express the results as nearly as possible independently of the apparatus used.
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| Additional Information: | © 1948 The American Physical Society. The authors wish to take this opportunity of thanking Professor R. A. Millikan for the aid and encouragement he has given this development. Also, we wish to thank Mr. Maurice Rattray for his assistance in making the apparatus. We gratefully acknowledge the financial assistance of the Carnegie Institution of Washington. | |||||||||
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| Issue or Number: | 1 | |||||||||
| DOI: | 10.1103/RevModPhys.20.353 | |||||||||
| Record Number: | CaltechAUTHORS:20140731-164124087 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140731-164124087 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 47753 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 01 Aug 2014 02:41 | |||||||||
| Last Modified: | 10 Nov 2021 17:50 |
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