Dispersion relations applied to double-folding potentials from chiral effective 
field theory

Durant, V.; Capel, P.; Schwenk, A.

doi:10.1103/PhysRevC.102.014622

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Dispersion relations applied to double-folding potentials from chiral effective field theory

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Schwenk, A.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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https://doi.org/10.1103/PhysRevC.102.014622
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Citation

Durant, V., Capel, P., & Schwenk, A. (2020). Dispersion relations applied to double-folding potentials from chiral effective field theory. Physical Review C, 102(1): 014622. doi:10.1103/PhysRevC.102.014622.

Cite as: https://hdl.handle.net/21.11116/0000-0006-CFD5-1

Abstract

We present a determination of optical potentials using the double-folding method based on chiral effective field theory nucleon-nucleon interactions at next-to-next-to-leading order combined with dispersion relations to constrain the imaginary part. This approach is benchmarked on
16
O
−
16
O
collisions, and extended to the
12
C
−
12
C
and
12
C
−
16
O
cases. Predictions derived from these potentials are compared to data for elastic scattering at energies up to 1000 MeV, as well as for fusion at low energy. Without adjusting parameters, excellent agreement with experiment is found. In addition, we study the sensitivity of the corresponding cross sections to the nucleon-nucleon interactions and nuclear densities used.