Structure in the Radiative Capture of <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></math></span> by <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></math></span> near the Coulomb Barrier

A. M. Sandorfi; A. M. Nathan

doi:10.1103/PhysRevLett.40.1252

Structure in the Radiative Capture of ${}^{12}C$ by ${}^{12}C$ near the Coulomb Barrier

A. M. Sandorfi and A. M. Nathan

Phys. Rev. Lett. 40, 1252 – Published 8 May 1978

Abstract

The yield curves of high-energy capture $γ$ rays from ${}^{12}C ({}^{12}C, γ_{0})$ and ${}^{12}C ({}^{12}C, γ_{1})$ were measured at $θ_{lab} = 45 °$ from $E_{c . m .} = 5.0 to 11.0$ MeV. A $J^{π} = 2^{+}$ resonance, with a width (full width at half-maximum) of 261±74 keV and a peak cross section at 45° of 44.3±4.5 nb/sr, was observed in ${}^{12}C ({}^{12}C, γ_{0})$ at (21.98±0.03) MeV excitation in ${}^{24}{Mg}$ . Several other resonant features were also observed in the $γ$ -ray yields.

Received 22 February 1978

DOI:https://doi.org/10.1103/PhysRevLett.40.1252

Authors & Affiliations

A. M. Sandorfi^* and A. M. Nathan^†

Brookhaven National Laboratory, Upton, New York 11973

^*Presently at the High Energy Physics Laboratory, Stanford University, Stanford, Calif. 94305.
^†Presently at the Department of Physics, University of Illinois, Urbana, Ill. 61801.