The new isotope 270110 and its decay products 266Hs and 262Sg

被引:243
作者
Hofmann, S [1 ]
Hessberger, FP
Ackermann, D
Antalic, S
Cagarda, P
Cwiok, S
Kindler, B
Kojouharova, J
Lommel, B
Mann, R
Münzenberg, G
Popeko, AG
Saro, S
Schött, HJ
Yeremin, AV
机构
[1] Gesell Schwerionenforsch GmbH, D-64220 Darmstadt, Germany
[2] Comenius Univ, Dept Phys Nucl, SK-84248 Bratislava, Slovakia
[3] Warsaw Univ Technol, Fac Phys, PL-00662 Warsaw, Poland
[4] Joint Inst Nucl Res, Flerov Lab Nucl React, Dubna 141980, Russia
关键词
D O I
10.1007/s100500170137
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
The even-even nucleus (270)110 was synthesized using the reaction Ni-64 + (207)pb. A total of eight alpha -decay chains was measured during an irradiation time of seven days. Decay data were obtained for the ground-state and a high-spin K isomer. The nerv nuclei (266)Hs and (262)Sg Were identified as daughter products after alpha -decay. Spontaneous fission of (262)Sg terminates the decay chain. The measured data are in agreement with calculations using the macroscopic-microscopic model and with self-consistent HFB calculations with Skyrme-Sly4 interaction.
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页码:5 / 10
页数:6
相关论文
共 22 条
[1]   Isotopic dependence of fusion cross sections in reactions with heavy nuclei [J].
Adamian, GG ;
Antonenko, NV ;
Scheid, W .
NUCLEAR PHYSICS A, 2000, 678 (1-2) :24-38
[2]   Fluctuation-dissipation model for synthesis of superheavy elements [J].
Aritomo, Y ;
Wada, T ;
Ohta, M ;
Abe, Y .
PHYSICAL REVIEW C, 1999, 59 (02) :796-809
[3]   The analysis of reactions leading to synthesis of super heavy elements within the dinuclear system concept [J].
Cherepanov, EA .
PRAMANA-JOURNAL OF PHYSICS, 1999, 53 (03) :619-630
[4]   Structure of odd-N superheavy elements [J].
Cwiok, S ;
Nazarewicz, W ;
Heenen, PH .
PHYSICAL REVIEW LETTERS, 1999, 83 (06) :1108-1111
[5]   Formation of superheavy elements in cold fusion reactions [J].
Denisov, VY ;
Hofmann, S .
PHYSICAL REVIEW C, 2000, 61 (03) :15
[6]  
Firestone R. B., 1996, Table of Isotopes, V8th
[7]   ISOMERIC STATES IN FM-250 AND NO-254 [J].
GHIORSO, A ;
ESKOLA, K ;
ESKOLA, P ;
NURMIA, M .
PHYSICAL REVIEW C, 1973, 7 (05) :2032-2036
[8]   Effect of the entrance channel on the synthesis of superheavy elements [J].
Giardina, G ;
Hofmann, S ;
Muminov, AI ;
Nasirov, AK .
EUROPEAN PHYSICAL JOURNAL A, 2000, 8 (02) :205-216
[9]   BETA-DELAYED FISSION FROM ES-256(M) AND THE LEVEL SCHEME OF FM-256 [J].
HALL, HL ;
GREGORICH, KE ;
HENDERSON, RA ;
LEE, DM ;
HOFFMAN, DC ;
BUNKER, ME ;
FOWLER, MM ;
LYSAGHT, P ;
STARNER, JW ;
WILHELMY, JB .
PHYSICAL REVIEW C, 1989, 39 (05) :1866-1875
[10]   The discovery of the heaviest elements [J].
Hofmann, S ;
Münzenberg, G .
REVIEWS OF MODERN PHYSICS, 2000, 72 (03) :733-767