### Abstract

A comprehensive study of experimental rms charge radii shows that the deviation from the rough A^{ 1 3} dependence follows simple trends. For the isotopic sequence of an element, the values of rms radii, normalized by an approximate A^{ 1 3} law and plotted as a function of neutron number, lie on or close to straight lines. The slopes of these lines vary systematically as a function of atomic number. There are discontinuities in the values of the slopes for elements that contain N = 20, 28, 50, 82, 88, 90 and 126 neutrons as well as between Z = 8 and 10; a significant change can be found also for the region Z = 76 (N ≈ 114). These changes can be explained qualitatively by the shell model and by the effect of deformation. An "odd-even staggering" of the order of 6 × 10^{-4} has also been observed.

Original language | English |
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Pages (from-to) | 480-492 |

Number of pages | 13 |

Journal | Nuclear Physics A |

Volume | 288 |

Issue number | 3 |

DOIs | |

Publication status | Published - Oct 3 1977 |

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### ASJC Scopus subject areas

- Nuclear and High Energy Physics

### Cite this

*Nuclear Physics A*,

*288*(3), 480-492. https://doi.org/10.1016/0375-9474(77)90345-1

**Fine structure in the mass number dependence of rms charge radii.** / Angeli, I.; Csatlós, M.

Research output: Contribution to journal › Article

*Nuclear Physics A*, vol. 288, no. 3, pp. 480-492. https://doi.org/10.1016/0375-9474(77)90345-1

}

TY - JOUR

T1 - Fine structure in the mass number dependence of rms charge radii

AU - Angeli, I.

AU - Csatlós, M.

PY - 1977/10/3

Y1 - 1977/10/3

N2 - A comprehensive study of experimental rms charge radii shows that the deviation from the rough A 1 3 dependence follows simple trends. For the isotopic sequence of an element, the values of rms radii, normalized by an approximate A 1 3 law and plotted as a function of neutron number, lie on or close to straight lines. The slopes of these lines vary systematically as a function of atomic number. There are discontinuities in the values of the slopes for elements that contain N = 20, 28, 50, 82, 88, 90 and 126 neutrons as well as between Z = 8 and 10; a significant change can be found also for the region Z = 76 (N ≈ 114). These changes can be explained qualitatively by the shell model and by the effect of deformation. An "odd-even staggering" of the order of 6 × 10-4 has also been observed.

AB - A comprehensive study of experimental rms charge radii shows that the deviation from the rough A 1 3 dependence follows simple trends. For the isotopic sequence of an element, the values of rms radii, normalized by an approximate A 1 3 law and plotted as a function of neutron number, lie on or close to straight lines. The slopes of these lines vary systematically as a function of atomic number. There are discontinuities in the values of the slopes for elements that contain N = 20, 28, 50, 82, 88, 90 and 126 neutrons as well as between Z = 8 and 10; a significant change can be found also for the region Z = 76 (N ≈ 114). These changes can be explained qualitatively by the shell model and by the effect of deformation. An "odd-even staggering" of the order of 6 × 10-4 has also been observed.

UR - http://www.scopus.com/inward/record.url?scp=0010136054&partnerID=8YFLogxK

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U2 - 10.1016/0375-9474(77)90345-1

DO - 10.1016/0375-9474(77)90345-1

M3 - Article

AN - SCOPUS:0010136054

VL - 288

SP - 480

EP - 492

JO - Nuclear Physics A

JF - Nuclear Physics A

SN - 0375-9474

IS - 3

ER -