Effective charges in the f p shell -: art. no. 222501

被引：61

作者：

du Rietz, R ^{[1
]}

Ekman, J

Rudolph, D

Fahlander, C

Dewald, A

Möller, O

Saha, B

Axiotis, M

Bentley, MA

Chandler, C

de Angelis, G

Della Vedova, F

Gadea, A

Hammond, G

Lenzi, SM

Marginean, N

Napoli, DR

Nespolo, M

Rusu, C

Tonev, D

机构：

[1] Lund Univ, Dept Phys, S-22100 Lund, Sweden

[2] Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany

[3] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy

[4] Univ Keele, Sch Chem & Phys, Keele ST5 5BG, Staffs, England

[5] Univ Padua, Dipartimento Fis, I-35141 Padua, Italy

[6] Ist Nazl Fis Nucl, Sez Padova, I-35141 Padua, Italy

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.93.222501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Following the heavy-ion fusion-evaporation reaction S-32+Mg-24 at 95 MeV beam energy the lifetimes of analogue states in the T-z=+/-1/2 A=51 mirror nuclei Fe-51 and Mn-51 have been measured using the Cologne plunger device coupled to the GASP gamma-ray spectrometer. The deduced B(E2;27/2(-)-->23/2(-)) values afford a unique opportunity to probe isoscalar and isovector polarization charges and to derive effective proton and neutron charges, epsilon(p) and epsilon(n), in the fp shell. A comparison between the experimental results and several different large-scale shell-model calculations yields epsilon(p)similar to1.15e and epsilon(n)similar to0.80e.

引用

页数：4

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