Gamma-ray evidence for galactic fermi acceleration of cosmic rays
Conference
·
OSTI ID:4164299
New information on the distribution of cosmic rays in the galaxy is provided by SAS-2 galactic gamma-ray data. The observed gamma-ray energy spectrum reveals that about 70 percent of the radiation in the central galactic region arises from the decay of neutral pi mesons produced by cosmic ray nucleon interactions with the interstellar gas. (BJG)
- Research Organization:
- National Aeronautics and Space Administration, Greenbelt, Md. (USA). Goddard Space Flight Center
- NSA Number:
- NSA-33-006146
- OSTI ID:
- 4164299
- Report Number(s):
- NASA-SP--361; CONF-731232--
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
*COSMIC RADIATION-- SPATIAL DISTRIBUTION
*MILKY WAY-- COSMIC RADIATION
640101* --Physics Research--Astrophysics & Cosmology--Cosmic Radiation
COSMIC GASES
ENERGY SPECTRA
GAMMA RADIATION
INTERACTIONS
N56100* --Physics (Astrophysics & Cosmology)--Cosmic Radiation
N56500 --Physics (Astrophysics & Cosmology)--Galaxies
NUCLEON- NUCLEON INTERACTIONS
NUCLEONS
PIONS NEUTRAL
*MILKY WAY-- COSMIC RADIATION
640101* --Physics Research--Astrophysics & Cosmology--Cosmic Radiation
COSMIC GASES
ENERGY SPECTRA
GAMMA RADIATION
INTERACTIONS
N56100* --Physics (Astrophysics & Cosmology)--Cosmic Radiation
N56500 --Physics (Astrophysics & Cosmology)--Galaxies
NUCLEON- NUCLEON INTERACTIONS
NUCLEONS
PIONS NEUTRAL