High-energy gamma-ray production in light-ion induced reactions

Journal Article · Thu Dec 01 04:00:00 EST 1988 · Phys. Rev. C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.38.2526· OSTI ID:6699732

Tam, C L; Stevenson, J; Benenson, W; Clayton, J; Chen, Y; Kashy, E; Lampis, A R; Morrissey, D J; Samuel, M; Murakami, T K; others, and

Results are presented for high-energy gamma-ray production in light-ion induced reactions. Energy spectra and angular distributions were measured for high-energy gamma rays (E/sub /gamma//>20 MeV) from the reactions /sup 2/H on C, Zn, and Pb at E/A = 53 MeV, and /sup 4/He on C, Zn, and Pb at E/A = 25 and 53 MeV. The gamma-ray energy spectra are roughly exponential, and for /sup 2/H at E/A = 53 MeV extend out to the full available energy (/similar to/00 MeV). The angular distributions of the gamma rays are slightly forward peaked in the laboratory frame, but are symmetric about 90/sup 0/ when transformed to the nucleon-nucleon center-of-mass frame. For the carbon target data the angular distribution in the nucleon-nucleon frame shows a substantial dipole component. This suggests that the major high-energy gamma-ray production mechanism is bremsstrahlung from first collisions of projectile and target nucleons.

• Research Organization: National Superconducting Cyclotron Laboratory and Department of Physics Astronomy, Michigan State University, East Lansing, Michigan 48824
• OSTI ID: 6699732
• Journal Information: Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 38:6; ISSN PRVCA
• Country of Publication: United States
• Language: English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA REACTIONS
ANGULAR DISTRIBUTION
BARYON-BARYON INTERACTIONS
BREMSSTRAHLUNG
CARBON
CENTER-OF-MASS SYSTEM
CHARGED-PARTICLE REACTIONS
COMPOUND-NUCLEUS REACTIONS
DATA
DEUTERON REACTIONS
DISTRIBUTION
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY RANGE
ENERGY SPECTRA
EXPERIMENTAL DATA
GAMMA SPECTRA
HADRON-HADRON INTERACTIONS
INCLUSIVE INTERACTIONS
INFORMATION
INTERACTIONS
LEAD
METALS
MEV RANGE
MEV RANGE 10-100
MEV RANGE 100-1000
NONMETALS
NUCLEAR REACTIONS
NUCLEON-NUCLEON INTERACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS
RADIATIONS
SPECTRA
ZINC