Quasifree-electron process in the single ionization of He by fast protons

Journal Article · Sat Feb 01 04:00:00 EST 1997 · Physical Review A

DOI:https://doi.org/10.1103/PhysRevA.55.1537· OSTI ID:450321

Wu, W; Datz, S; Jones, N L; Krause, H F; Rosner, B; Sorge, K D; Vane, C R ^[1]

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1. Physics Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6377 (United States)

Double-differential cross sections for the single ionization of He by protons are measured at collision energies of 2, 2.8, and 6 MeV. At energy losses larger than 0.75 keV, single ionization is shown to be dominated by binary encounters between the proton and a quasifree target electron. The measured scattering angle and energy loss of the protons show a simple two-body kinematic relation. Furthermore, the measured shapes of differential cross sections are in good agreement with calculations of Rutherford scattering from electrons. {copyright} {ital 1997} {ital The American Physical Society}

• Research Organization: Oak Ridge National Laboratory
• DOE Contract Number: AC05-96OR22464
• OSTI ID: 450321
• Journal Information: Physical Review A, Journal Name: Physical Review A Journal Issue: 2 Vol. 55; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
DIFFERENTIAL CROSS SECTIONS
ENERGY LOSSES
EV RANGE 100-1000
HELIUM
HYDROGEN IONS 1 PLUS
ION-ATOM COLLISIONS
IONIZATION
MEV RANGE 01-10
REACTION KINETICS
SCATTERING