You need JavaScript to view this

Cosmic ray-induced spallation recoil tracks in meteoritic phosphates: simulation at the CERN synchrocyclotron

Abstract

Annealed meteoritic phosphate crystals have been irradiated by 600 MeV protons to simulate cosmic ray irradiation in space. Spallation recoil tracks were then revealed, which mimic fission tracks, specially when observed in the SEM. A production yield of 9.3 {+-} 2.2 x 10{sup 8} spallation track per proton has been obtained for merrillite, and a substantially lower value (2.5 per proton) for apatite. A nominal production yield in space of 6 tracks per year has been derived, which may be used for a rough estimate of spallation track densities in chondritic merrillite. (Author).
Authors:
Perron, C [1] 
  1. Centre National de la Recherche Scientifique (CNRS), 75 - Paris (France). Inst. d`Astrophysique
Publication Date:
Dec 31, 1993
Product Type:
Journal Article
Report Number:
CONF-9209413-
Reference Number:
SCA: 360605; PA: AIX-28:044943; EDB-97:092435; SN: 97001814201
Resource Relation:
Journal Name: Nuclear Tracks and Radiation Measurements (1993); Journal Volume: 22; Journal Issue: 1-4; Conference: 16. international conference on nuclear tracks in solids, Beijing (China), 7-11 Sep 1992; Other Information: PBD: 1993
Subject:
36 MATERIALS SCIENCE; APATITES; PHYSICAL RADIATION EFFECTS; CHONDRITES; ANNEALING; FISSION YIELD; IRRADIATION; MEV RANGE 100-1000; PARTICLE TRACKS; PROTON BEAMS; SIMULATION; SPALLATION
OSTI ID:
493431
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: NTRMDS; ISSN 0969-8078; TRN: GB9701202044943
Submitting Site:
GBN
Size:
pp. 739-744
Announcement Date:
Jul 29, 1997

Citation Formats

Perron, C. Cosmic ray-induced spallation recoil tracks in meteoritic phosphates: simulation at the CERN synchrocyclotron. United Kingdom: N. p., 1993. Web. doi:10.1016/0969-8078(93)90168-4.
Perron, C. Cosmic ray-induced spallation recoil tracks in meteoritic phosphates: simulation at the CERN synchrocyclotron. United Kingdom. doi:10.1016/0969-8078(93)90168-4.
Perron, C. 1993. "Cosmic ray-induced spallation recoil tracks in meteoritic phosphates: simulation at the CERN synchrocyclotron." United Kingdom. doi:10.1016/0969-8078(93)90168-4. https://www.osti.gov/servlets/purl/10.1016/0969-8078(93)90168-4.
@misc{etde_493431,
title = {Cosmic ray-induced spallation recoil tracks in meteoritic phosphates: simulation at the CERN synchrocyclotron}
author = {Perron, C}
abstractNote = {Annealed meteoritic phosphate crystals have been irradiated by 600 MeV protons to simulate cosmic ray irradiation in space. Spallation recoil tracks were then revealed, which mimic fission tracks, specially when observed in the SEM. A production yield of 9.3 {+-} 2.2 x 10{sup 8} spallation track per proton has been obtained for merrillite, and a substantially lower value (2.5 per proton) for apatite. A nominal production yield in space of 6 tracks per year has been derived, which may be used for a rough estimate of spallation track densities in chondritic merrillite. (Author).}
doi = {10.1016/0969-8078(93)90168-4}
journal = {Nuclear Tracks and Radiation Measurements (1993)}
issue = {1-4}
volume = {22}
journal type = {AC}
place = {United Kingdom}
year = {1993}
month = {Dec}
}