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- W4291289712 abstract "For $^{4,6,8}$He, Tanihata et al. determined matter radii $r_{m}(sigma_{rm I})=1.57(4), 2.48(3), 2.52(3)$~fm from interaction cross sections $sigma_{rm I}$ for $^{4,6,8}$He scattering on Be, C Al targets at 790~MeV/nucleon. Lu et al. measured the atomic isotope shifts (AIS) for $^{4,6,8}$He and determined proton radii $r_{p}({rm AIS})$ for $^{4,6,8}$He. As for p+$^{4,6,8}$He scattering, reaction cross sections $sigma_{rm R}({rm exp})$ are available at 700~MeV with high accuracy. Our aim is to determine matter radii $r_{m}$ and skins $r_{rm skin}$ for $^{6,8}$He from the $sigma_{rm R}({rm exp})$ and the $r_{p}({rm AIS})$. {bf Method:} Our model is the Love-Franey $t$-matrix folding model, since the model is better than the optical limit of Glauber model. Our results for $^{6,8}$He are $r_{m}({rm exp})=2.48(3), 2.53(2)$~fm and $r_{rm skin}=$0.78(3), 0.82(2)~fm. For $^{6,8}$He, our results $r_{m}(sigma_{rm R})$ agree with those of Tanihata {it et al.}. For $^{8}$He, the distance between $^{4}$He and the center of mass of valence four neutrons is 2.367~fm." @default.
- W4291289712 created "2022-08-14" @default.
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- W4291289712 date "2022-02-08" @default.
- W4291289712 modified "2023-10-17" @default.
- W4291289712 title "Matter radii and skins of $^{6,8}$He from reaction cross section of proton+$^{6,8}$He scattering based on the Love-Franey $t$-matrix model" @default.
- W4291289712 doi "https://doi.org/10.48550/arxiv.2202.04229" @default.
- W4291289712 hasPublicationYear "2022" @default.
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