Inverse-kinematics proton scattering from S-42,S-44, P-41,P-43, and the collapse of the N=28 major shell closure

Riley L. A.; Bazin D.; Belarge J.; Bender P. C.; Brown B. A.; Cottle P. D.; Elman B.; Gade A.; Gregory S. D.; Haldeman E. B.; Kemper K. W.; Klybor B. R.; Liggett M. A.; Lipschutz S.; Longfellow B.; Lunderberg E.; Mijatovic T.; Pereira J.; Skiles L. M.; Titus R.; Volya A.; Weisshaar D.; Zamora J. C.; Zegers R. G. T.

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Inverse-kinematics proton scattering from S-42,S-44, P-41,P-43, and the collapse of the N=28 major shell closure

机译：来自S-42，S-44，P-41，P-43的逆运动学质子散射和N = 28主要壳封口的塌陷

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Excited states of the neutron-rich isotopes S-42,S-44 and P-41,P-43 have been studied via inverse-kinematics proton scattering from a liquid hydrogen target, using the GRETINA gamma-ray tracking array to extract inelastic-scattering cross sections. Deformation lengths of the 2(1)(+) excitations in S-42,S-44 have been determined and, when combined with deformation lengths determined with electromagnetic probes, yield the ratio of neutron-to-proton matrix elements M-n/M-p for the 2(1)(+) excitations in these nuclei. The present results for P-41,P-43(p, p') are used to compare two shell-model interactions, SDPF-U and SDPF-MU. As in a recent study of( 42)Si, the present results on P-41,P-43 favor the SDPF-MU interaction.

机译：通过从液态氢靶的逆运动学质子散射研究了中子富含同位素S-42，S-44和P-41，P-43的激发状态，使用Gretina Gamma射线跟踪阵列提取无弹性 - 散射横截面。已经确定了S-42，S-44中的2（1）（+）激发的变形长度，并且当与用电磁探针确定的变形长度组合时，产生中子与质子矩阵元件Mn / Mp的比率这些细胞核中的2（1）（+）激发。 P-41，P-43（P，P'）的本结果用于比较两个壳模型相互作用，SDPF-U和SDPF-MU。如在最近的（42）Si的研究中，P-41的目前结果，P-43赞成SDPF-MU相互作用。

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《Physical review, C》 |2019年第4期|共9页
作者
Riley L. A.; Bazin D.; Belarge J.; Bender P. C.; Brown B. A.; Cottle P. D.; Elman B.; Gade A.; Gregory S. D.; Haldeman E. B.; Kemper K. W.; Klybor B. R.; Liggett M. A.; Lipschutz S.; Longfellow B.; Lunderberg E.; Mijatovic T.; Pereira J.; Skiles L. M.; Titus R.; Volya A.; Weisshaar D.; Zamora J. C.; Zegers R. G. T.;
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作者单位

Ursinus Coll Dept Phys &

Astron Collegeville PA 19426 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Florida State Univ Dept Phys Tallahassee FL 32306 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Ursinus Coll Dept Phys &

Astron Collegeville PA 19426 USA;

Ursinus Coll Dept Phys &

Astron Collegeville PA 19426 USA;

Florida State Univ Dept Phys Tallahassee FL 32306 USA;

Ursinus Coll Dept Phys &

Astron Collegeville PA 19426 USA;

Ursinus Coll Dept Phys &

Astron Collegeville PA 19426 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Ursinus Coll Dept Phys &

Astron Collegeville PA 19426 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Florida State Univ Dept Phys Tallahassee FL 32306 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

Michigan State Univ Natl Superconducting Cyclotron Lab E Lansing MI 48824 USA;

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中图分类原子核物理学、高能物理学;
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1. Inverse-kinematics proton scattering from S-42,S-44, P-41,P-43, and the collapse of the N = 28 major shell closure (vol 100, 044312, 2019) [J] . Riley L. A., Bazin D., Belarge J., Physical review, C . 2020,第5期

机译：从S-42，S-44，P-41，P-43的逆运动学质子散射和n = 28主要壳封闭的崩溃（Vol 100,044312,2019）
2. ON THE VANISHING OF SPHERICAL SHELL GAP AT N=28 IN S-44 USING RELATIVISTIC MEAN-FIELD MODEL [J] . Gupta RK., Greiner W., Patra SK. Modern Physics Letters, A . 1997,第18期

机译：相对论平均场模型研究S-44中N = 28时球壳间隙的消失
3. Collapse of the N = 28 Shell Closure in ~(42)Si [J] . B. Bastin, S. Grevy, D. Sohler, Physical review letters . 2007,第2期

机译：〜（42）Si中N = 28的壳闭合崩溃
4. Proton Scattering on Radioactive Proton sd-Shell Nuclei and Comparison to Coulomb Excitation [C] . T. Glasmacher, Y. Blumenfeld, P.D. Cottle, Conference on nuclear structure . 1999

机译：放射性质子SD-壳核质子散射及库仑激励比较
5. Single-particle structure of neutron-rich silicon isotopes and the breakdown of the N=28 shell closure [D] . Stroberg, Steven Ragnar 2014

机译：富中子硅同位素的单粒子结构和N = 28壳封闭的分解
6. Erratum: Inverse-kinematics proton scattering from S42,44,P41,43 , and the collapse of the N=28 major shell closure Phys. Rev. C 100 , 044312 (2019) [O] . L. A. Riley, D. Bazin, J. Belarge, 2020

机译：错误：来自S42,44，P41,43的逆运动学质子散射和N = 28主要壳闭合的塌陷物理。 Rev. C 100,044312（2019）

Inverse-kinematics proton scattering from S-42,S-44, P-41,P-43, and the collapse of the N=28 major shell closure

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