Volume 413 -
The 10th International Workshop on Chiral Dynamics (CD2021) -
Parallel-Few-Body/Structure
Constraints on the $\Lambda$-neutron interaction from charge symmetry breaking of $A=4$ hypernuclei
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Pre-published on:
February 07, 2024
Published on:
March 07, 2024
Abstract
We include the leading charge symmetry breaking contributions into the hyperon-nucleon interactions derived within chiral effective field theory up to next-to-leading order. Two low energy constants are determined using the experimentally known differences of Lambda separation energies of 4-Lambda-He and 4-Lambda-H. This allows one to predict the Lambda-neutron scattering lengths for the first time based on data. Various sources of uncertainty are discussed.
DOI: https://doi.org/10.22323/1.413.0080
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.