Capture Amplitudes in the Reaction <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">C</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>12</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow><mo>(</mo><mi>α</mi><mo>,</mo><mi> </mi><mi>γ</mi><mo>)</mo><mrow><mmultiscripts><mrow><mi mathvariant="normal">O</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>16</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span> at Stellar Energies

A. Redder; H. W. Becker; J. Görres; M. Hilgemeier; A. Krauss; C. Rolfs; U. Schröder; H. P. Trautvetter; K. Wolke; T. R. Donoghue; T. C. Rinckel; J. W. Hammer

doi:10.1103/PhysRevLett.55.1262

Capture Amplitudes in the Reaction ${}^{12}C (α, γ) {}^{16}O$ at Stellar Energies

A. Redder, H. W. Becker, J. Görres, M. Hilgemeier, A. Krauss, C. Rolfs, U. Schröder, H. P. Trautvetter, K. Wolke, T. R. Donoghue, T. C. Rinckel, and J. W. Hammer

Phys. Rev. Lett. 55, 1262 – Published 16 September 1985

Abstract

The ratio of cross sections for the $E 1$ and $E 2$ capture amplitudes in the reaction ${}^{12}C (α, γ) {}^{16}O$ has been determined from $γ$ -ray angular distributions obtained at $E_{c . m .} = 1.7 - 2.8$ MeV. The results favor a nonnegligible contribution of the $E 2$ amplitude to the reaction rate at stellar energies.