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Experimental observation of the Thomas peak in high-velocity electron capture by protons from He

Journal Article · · Phys. Rev. Lett.; (United States)
; ;

Experimental angular distributions are reported for electron capture by protons of 2.82, 5.42, and 7.40 MeV from He. A clear peak in dsigma/dtheta appears near the Thomas angle of 0.47 mrad for the higher two bombarding energies, supporting the widely held belief that the double-scattering mechanism plays an important role for high-velocity electron capture.

Research Organization:
J. R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, Kansas 66506
OSTI ID:
6118549
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 50:24; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ANGULAR DISTRIBUTION
ATOM COLLISIONS
CAPTURE
CATIONS
CHARGED PARTICLES
COLLISIONS
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELECTRON CAPTURE
ELEMENTS
ENERGY RANGE
FLUIDS
GASES
HELIUM
HYDROGEN IONS
HYDROGEN IONS 1 PLUS
ION COLLISIONS
ION-ATOM COLLISIONS
IONS
MEV RANGE
MEV RANGE 01-10
NONMETALS
RARE GASES