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The Heavy Nuclei Explorer (HNX) MissionThe Heavy Nuclei eXplorer (HNX) mission was recently selected by NASA for a Small Explorer (SMEX) Mission Concept Study to begin in 2001. The primary scientific objectives of HNX are to measure the age of the galactic cosmic rays (GCR) since nucleosynthesis, determine the injection mechanism for the GCR accelerator (Volatility or FIP), and study the mix of nucleosynthetic processes that contribute to the source of GCRs. The experimental goal of HNX is to measure the elemental abundances of all individual stable nuclei from neon through the actinides and possibly beyond. HNX is composed of two instruments: ECCO, which measures elemental abundances of nuclei with Z(sup 3)72, and ENTICE, which measures elemental abundances of nuclei with 10(f)Z(f)82. We will discuss the mission and the science that can be addressed by HNX.
Document ID
20010038449
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
Binns, W. R.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Date Acquired
August 20, 2013
Publication Date
January 1, 2001
Subject Category
Space Radiation
Meeting Information
Meeting: American Physical Society Meeting
Location: Washington, DC
Country: United States
Start Date: April 28, 2001
End Date: May 1, 2001
Sponsors: American Physical Society
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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