Corydon-Petersen, O. ; Dayton, B. ; Lund, N. ; Melgaard, K. ; Omø, K. ; Peters, B. ; Risbo, T. (1970) Design and performance of an instrument for determining the chemical composition of primary cosmic radiation Nuclear Instruments and Methods, 81 (1). pp. 1-12. ISSN 0029-554X
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0029-554X(70)90602-6
Abstract
An instrument is described which is suitable for the chemical analysis of primary cosmic radiation in the energy range above 1 GeV/nucleon. A prototype has been tested in two balloon flights and the charge and velocity of approximately 6000 nuclei of atomic number Z ≥3 have been measured. For oxygen and for nuclei lighter than oxygen the error in determining Z (standard deviation) is ≈0.26, and for iron nuclei it is ≈0.32 units of charge. This resolution corresponds to a probability of 6% and 12% respectively of wrongly assigning a nucleus to one of its immediate neighbours in the atomic table. Possible improvements of the instrument are discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 75883 |
| Deposited On: | 28 Dec 2011 11:58 |
| Last Modified: | 28 Dec 2011 11:58 |
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