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On the Identification of Tracks of Ultraheavy Cosmic Ray Nuclei in Extraterrestrial Olivines

 

作者: V. P. Perelygin,   S. G. Stetsenko,   G. Ya. Starodub,   W. Birkholz,   R. I. Petrova,   G. G. Bankova,  

 

期刊: Isotopenpraxis Isotopes in Environmental and Health Studies  （Taylor Available online 1987）
卷期: Volume 23, issue 4  

页码: 117-122

 

ISSN:0021-1915

 

年代: 1987

 

DOI:10.1080/10256018708623770

 

出版商: Taylor & Francis Group

 

关键词: age estimation;atomic number;calibration;charged particles;chemical radiation effects;cosmie radiation;dielectric track detectors;fission tracks;ion beams;olivine;trans 104 elements

 

数据来源: Taylor

 

摘要:

The results of an investigation of tracks of ultraheavy galactic cosmic ray nuclei (Z ≥ 50) in extraterrestrial olivines are presented. The etching of volume tracks in olivine crystals in described together with a detailed description of the method of partial annealing, which is essential for a reliable measurement of the nuclear charge number distributions of these cosmic ray nuclei and for erasing the background of tracks from lighter nuclei. Special emphasis is placed upon the identification of Z ≥ 50 nuclei in olivine crystals. Possible methods to identify the origin of anomalously long tracks observed in the JINR Dubna are discussed.

 

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