Matter radius of 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Kr</mml:mi><mml:mprescripts /><mml:none /><mml:mn>78</mml:mn></mml:mmultiscripts></mml:math>
 from proton elastic scattering at 153 MeV

Zhang, J. T.; Ma, P.; Huang, Yin; Tu, X. L.; Sarriguren, P.; Li, Z. P.; Kuang, Y.; Horiuchi, W.; Inakura, Tsunenori; Xayavong, Latsamy; Sun, Yang; Kaneko, Kazunari; Liu, X. Q.; Yue, Kwok-Bun; Shao, Caojie; Zeng, Q.; Mei, B.; Egelhof, P.; Litvinov, Yu. A.; Wang, M.; Zhang, Y. H.; Zhou, X. H.; Sun, Z.

doi:10.1103/physrevc.108.014614

Phys. Rev. C

2023

DOI: 10.1103/physrevc.108.014614

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Matter radius of Kr78 from proton elastic scattering at 153 MeV

J. T. Zhang¹,

P. Ma²,

Yin Huang³

et al.

Abstract: Small-angle differential cross sections of proton elastic scattering off 78 Kr with a collision energy of 152.7 MeV/u were measured at the experimental Cooler Storage Ring of the Heavy Ion Research Facility in Lanzhou (HIRFL-CSR). Low energy recoil protons from the elastic scattering were counted by a silicon-strip detector to determine relative differential cross sections. A model-dependent root-mean-square matter radius of 4.16(12) fm for the 78 Kr nucleus was deduced by employing the Glauber model. Compared… Show more

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Cited by 3 publications

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Determination of Nuclear Matter Radii by Means of Microscopic Optical Potentials: The Case of $$^{78}$$Kr

Vorabbi,

Finelli,

Giusti

2024

Few-Body Syst

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In this work we use microscopic Nucleon–Nucleus Optical Potentials (OP) to analyze elastic scattering data for the differential cross section of the $$^{78}$$ 78 Kr (p,p) $$^{78}$$ 78 Kr reaction, with the goal of extracting the matter radius and estimating the neutron skin, quantities that are both needed to determine the slope parameter L of the nuclear symmetry energy. Our analysis is performed with the factorized version of the microscopic OP obtained in a previous series of papers within the Watson multiple scattering theory at the first order of the spectator expansion, which is based on the underlying nucleon–nucleon dynamics and is free from phenomenological inputs. Differently from our previous applications, the proton and neutron densities are described with a two-parameter Fermi (2pF) distribution, which makes the extraction of the matter radius easier and allows us to make a meaningful comparison with the original analysis, that was performed with the Glauber model. With standard minimization techniques we performed data analysis and extracted the matter radius and the neutron skin. Our analysis produces a matter radius of $$R_m^{\mathrm{(rms)}} = 4.12$$ R m ( rms ) = 4.12 fm, in good agreement with previous matter radii extracted from $$^{76}$$ 76 Kr and $$^{80}$$ 80 Kr, and a neutron skin of $$\Delta R_{np} \simeq - 0.1$$ Δ R np ≃ - 0.1 fm, compatible with a previous analysis. Our factorized microscopic OP, supplied with 2pF densities, is a valuable tool to perform the analysis of the experimental differential cross section and extract information such as matter radius and neutron skin. Without any free parameters it provides a reasonably good description of the experimental differential cross section for scattering angles up to $$\approx $$ ≈ 40 degrees. Compared to the Glauber model our OP can be applied to a wider range of scattering angles and allows one to probe the nuclear systems in a more internal region.

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Determination of Nuclear Matter Radii by Means of Microscopic Optical Potentials: The Case of $$^{78}$$Kr

Vorabbi,

Finelli,

Giusti

2024

Few-Body Syst

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show abstract

Neutron radius determination of 133Cs and its impact on the interpretation of CEνNS-CsI measurement

Huang,

Xia,

et al. 2024

Physics Letters B

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Matter density distributions and radii from small-angle differential cross sections of proton-nucleus elastic scattering at 0.8 GeV

Huang,

Wu,

et al. 2023

Phys. Rev. C

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Matter radius of Kr78 from proton elastic scattering at 153 MeV

Cited by 3 publications

References 86 publications

Determination of Nuclear Matter Radii by Means of Microscopic Optical Potentials: The Case of $$^{78}$$Kr

Determination of Nuclear Matter Radii by Means of Microscopic Optical Potentials: The Case of $$^{78}$$Kr

Neutron radius determination of 133Cs and its impact on the interpretation of CEνNS-CsI measurement

Matter density distributions and radii from small-angle differential cross sections of proton-nucleus elastic scattering at 0.8 GeV

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