Phys. Rev. C 64, 055803 (2001) [9 pages]Electric-multipole interference effects in the 12C(α,γ0)16O reactionReceived 7 June 2001; published 18 October 2001 This paper investigates interference effects involving the E1 and E2 multipole contributions to the 12C(α,γ0)16O reaction. The relationships between γ-ray angular distributions, E1 and E2 capture phases, and 12C+α elastic scattering phase shifts are clarified. A detailed study of the energy- and angle-dependent effects near the 2.68-MeV resonance is presented, where a new experimental signature has been identified. In addition, the effects of center-of-mass motion and γ-ray polarization are discussed. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevC.64.055803
DOI:
10.1103/PhysRevC.64.055803
PACS:
23.20.Js, 24.30.-v, 26.20.+f, 27.20.+n
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