PRODUCTION AND IDENTIFICATION OF HEAVY NI ISOTOPES - EVIDENCE FOR THE DOUBLY MAGIC NUCLEUS NI-78(28)

被引：124

作者：

ENGELMANN, C

AMEIL, F

ARMBRUSTER, P

BERNAS, M

CZAJKOWSKI, S

DESSAGNE, P

DONZAUD, C

GEISSEL, H

HEINZ, A

JANAS, Z

KOZHUHAROV, C

MIEHE, C

MUNZENBERG, G

PFUTZNER, M

ROHL, C

SCHWAB, W

STEPHAN, C

SUMMERER, K

TASSANGOT, L

VOSS, B

机构：

[1] UNIV WARSAW,WARSAW,POLAND

[2] TH DARMSTADT,INST KERNPHYS,W-6100 DARMSTADT,GERMANY

[3] IPN ORSAY,IN2P3,CNRS,ORSAY,FRANCE

[4] CEN BORDEAUX GRADIGNAN,IN2P3,CNRS,BORDEAUX,FRANCE

[5] CRN STRASBOURG,IN2P3,CNRS,STRASBOURG,FRANCE

来源：

ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI | 1995年 / 352卷 / 04期

关键词：

D O I：

10.1007/BF01299748

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：

We report the first observation of the doubly magic nucleus Ni-78(50) and the heavy isotopes Ni-77, (73,74,75) Co, (CU)-C-80. The isotopes were produced by nuclear fission in collisions of 750 A . MeV projectiles of U-238 On Be target nuclei. The fully-stripped fission products were separated in-flight by the fragment separator FRS and identified event-by-event by measuring the magnetic rigidity, the trajectory, the energy deposit, and the time of flight. Production cross-sections and fission yields for the new Ni-isotopes are given.

引用

页码：351 / 352

页数：2

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