[Crater-team] Fwd: Apollo 8 and 12 experiments
Joseph E Mazur
joseph.e.mazur at aero.org
Thu Mar 14 10:10:41 EDT 2019
Harlan, I don’t see a direct comparison because of the threshold LET in the plastic compared to the energy range of CRaTER.
The Science paper states they are sensitive to Ne ionization above 7 MeV/n incident, but that means lower incident energy than CRaTER can detect for heavies.
Our track experts might have another view.
Here's the relevant figure from the lexan reference in the Science paper:
[cid:image001.png at 01D4DA4E.2BE6D780]
Best regards,
Joe
J. E. Mazur
The Aerospace Corporation
Principal Director, Space Science Applications Laboratory
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From: Crater-team <crater-team-bounces at lists.sr.unh.edu> on behalf of Harlan Spence <spence at guero.sr.unh.edu>
Date: Thursday, March 14, 2019 at 9:20 AM
To: "crater-team at lists.sr.unh.edu" <crater-team at lists.sr.unh.edu>
Subject: [Crater-team] Fwd: Apollo 8 and 12 experiments
All,
Here is a link to the paper we discussed at yesterday’s CRaTER telecon. Please let me know if you have any thoughts on if/how we might/should compare these Apollo era radiation measurements with ours.
Thanks, Harlan
________________________________
Harlan E. Spence
Director, Institute for the Study of Earth,
Oceans, & Space and Prof. of Physics
Morse Hall, Room 306
University of New Hampshire
8 College Road
Durham, NH 03824-3525
Phone: 603-862-0322
Fax: 603-862-1915
http://www.eos.unh.edu/Faculty/Spence
________________________________
Begin forwarded message:
From: "Petro, Noah E. (GSFC-6980)" <noah.e.petro at nasa.gov<mailto:noah.e.petro at nasa.gov>>
Subject: Apollo 8 and 12 experiments
Date: March 12, 2019 at 9:43:51 PM EDT
To: "spence at guero.sr.unh.edu<mailto:spence at guero.sr.unh.edu>" <spence at guero.sr.unh.edu<mailto:spence at guero.sr.unh.edu>>, "nschwadron at guero.sr.unh.edu<mailto:nschwadron at guero.sr.unh.edu>" <nschwadron at guero.sr.unh.edu<mailto:nschwadron at guero.sr.unh.edu>>
Harlan and Nathan,
How do the results from this interesting experiment compare to CRaTERs data?
https://www.jstor.org/stable/1730913?seq=1#page_scan_tab_contents
Shared via the Google app<https://itunes.apple.com/app/google/id284815942>
-----
Noah Petro
NASA Goddard Space Flight Center
Planetary Geodynamics Lab, Code 698
Building 34, Room W294
Greenbelt, MD 20771<x-apple-data-detectors://3/0>
Ph:301.614.6498<tel:301.614.6498>
http://go.usa.gov/39d9w
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