The single-particle and collective features in the nuclei just above 132Sn

被引:0
作者
Mach, H. [1 ]
Fraile, L. M.
Arndt, O.
Blazhev, A.
Boelaert, N.
Borge, M. J. C.
Boutami, R.
Bradley, H.
Braun, N.
Brown, B. A.
Butler, P. A.
Covello, A.
Dlouhy, Z.
Fransen, C.
Fynbo, H. O. U.
Gargano, A.
Hinke, Ch.
Hoff, P.
Joinet, A.
Jokinen, A.
Jolie, J.
Koester, U.
Korgul, A.
Kratz, K.-L.
Kroell, T.
Kurcewicz, W.
Nyberg, J.
Reillo, E.-M.
Ruchowska, E.
Schwerdtfeger, W.
Simpson, C. S.
Stanoiu, L.
Tengblad, O.
Thirolf, P. C.
Ugryumov, V.
Walters, W. B.
机构
[1] Univ Notre Dame, Inst Struct & Nucl Astrophys, Notre Dame, IN 46556 USA
[2] Univ Uppsala, Dept Nucl & Particle Phys, S-75105 Uppsala, Sweden
[3] CERN, PH Dept, ISOLDE, CH-1211 Geneva, Switzerland
[4] Univ Mainz, Inst Kernchem, D-6500 Mainz, Germany
[5] Univ Cologne, Inst Kernphys, D-5000 Cologne 41, Germany
[6] Univ Ghent VIB, B-9052 Ghent, Belgium
[7] CSIC, Madrid, Spain
[8] Univ Sydney, Dept Phys, Sydney, NSW 2006, Australia
[9] Michigan State Univ, Dept Phys & Astrophys, E Lansing, MI 48824 USA
[10] Michigan State Univ, NSCL, E Lansing, MI 48824 USA
[11] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England
[12] Univ Naples Federico II, Dipartimento Sci Fis, Naples, Italy
[13] Ist Nazl Fis Nucl, I-80125 Naples, Italy
[14] Inst Nucl Phys, Rez, Czech Republic
[15] Univ Aarhus, Aarhus, Denmark
[16] Tech Univ Munich, D-8000 Munich, Germany
[17] Univ Oslo, Dept Chem, N-0316 Oslo, Norway
[18] CESR, Toulouse, France
[19] Univ Jyvaskyla, Dept Phys, SF-40351 Jyvaskyla, Finland
[20] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France
[21] Univ Warsaw, Inst Expt Phys, PL-00325 Warsaw, Poland
[22] Otto Hahn Inst, Max Planck Inst Chem, Mainz, Germany
[23] VISTARS, Mainz, Germany
[24] A Soltan Inst Nucl Studies, Otwock, Poland
[25] Univ Munich, Munich, Germany
[26] LPSC, Grenoble, France
[27] GSI, Darmstadt, Germany
[28] Univ Maryland, Dept Chem, College Pk, MD 20742 USA
来源
ACTA PHYSICA POLONICA B | 2007年 / 38卷 / 04期
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中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The Advanced Time Delayed method has been used to measure the lifetimes of excited states in the exotic nuclei Sb-134, Sb-135 and Te-136 populated in the beta decay of Sn-134, Sn-135 and Sn-136, respectively. High purity Sn beams were extracted at the ISOLDE separator using a novel production technique utilizing the molecular SnS+ beams to isolate Sn from contaminating other fission products. Among the new results we have identified the 1/2(+) state in Sb-135 and its E2 transition to the lower-lying 5/2(+) state was found to be surprisingly collective. This measurement represents also one of the first applications of the LaBr3 scintillator to ultra fast timing.
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页码:1213 / 1218
页数:6
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