First average CsI neutron radius from the coherent elastic neutrino-nucleus scattering
Published on:
August 02, 2019
Abstract
Using the first coherent elastic neutrino-nucleus scattering data, we determine the average neutron root-mean-square (rms) radius of $^{133}\rm{Cs}$ and $^{127}\rm{I}$. A model-independent value $R_{n}=5.5{}^{+0.9}_{-1.1}\,\rm{fm}$ is obtained using the symmetrized Fermi and Helm form factors. Meanwhile, the nuclear structure suppression of the full coherence is observed with a significance of $2.3\sigma$.
DOI: https://doi.org/10.22323/1.340.0341
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