Bremsstrahlung in heavy-ion molecular resonances

doi:10.1016/0375-9474(85)90049-1

Nuclear Physics A

Volume 440, Issue 1, 1 July 1985, Pages 173-188

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Abstract

The bremsstrahlung cross section for the quadrupole photon emission in a heavy-ion collision is formulated on the basis of the coupled-channel method. For the branching ratio of the radiative decay width to the total width for the transition between the structures at 25.6 MeV and 19.3 MeV in the ¹²C + ¹²C collision, we predict (3–7) × 10⁻⁷, which is roughly comparable with existing measurements. The radiation from the mutual 2⁺ excitation channel is found to yield 70% of the total branching ratio.

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Electromagnetic transitions from 10⁺, 12⁺ and 14⁺ resonances of the ¹²C_gs + ¹²C_gs system are investigated microscopically through an analysis of nucleus-nucleus bremsstrahlung cross sections calculated with the generator coordinate method. The theoretical branching ratios agree with experiment but some ambiguity remains in the interpretation of molecular resonances. A search for a narrow 8⁺ molecular resonance in existing data is suggested.
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^☆: Work supported by BMFT and GSI.

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Nuclear Physics A

Abstract

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Cited by (10)

Energy levels of light nuclei A = 11-12

Electromagnetic transitions between <sup>12</sup>C + <sup>12</sup>C molecular resonances

Comparison of potential models of nucleus-nucleus bremsstrahlung

Techniques to Treat the Continuum Applied to Electromagnetic Transitions in <sup>8</sup>Be

Inelastic cross sections and continuum transitions illustrated by 8Be results

Algebraic C12+12C cluster model of the Mg24 nucleus

Bremsstrahlung in heavy-ion molecular resonances☆

Abstract

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Phys. Rev.

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