4-PI-IONIZATION CHAMBER - A DETECTOR FOR A KINEMATIC SEPARATOR OF HEAVY-ION REACTION-PRODUCTS

被引：21

作者：

ANDREYEV, AN ^{[1
]}

BOGDANOV, DD ^{[1
]}

CHEPIGIN, VI ^{[1
]}

GORSHKOV, VA ^{[1
]}

MIKHAILOV, KV ^{[1
]}

KABACHENKO, AP ^{[1
]}

POPEKO, GS ^{[1
]}

SARO, S ^{[1
]}

TERAKOPIAN, GM ^{[1
]}

YEREMIN, AV ^{[1
]}

ZEINALOV, SS ^{[1
]}

机构：

[1] COMENIUS UNIV BRATISLAVA, DEPT MATH & PHYS, CS-80100 BRATISLAVA, CZECHOSLOVAKIA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1993年 / 330卷 / 1-2期

关键词：

D O I：

10.1016/0168-9002(93)91313-C

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Construction and properties of a double ionization chamber (DIC) are described. Heavy ion fusion-evaporation reaction products obtained at the focal plane of the kinematic separator VASSILISSA enter the DIC volume through a thin plastic window. After their thermalization in the gas, they drift in the electric field to the DIC cathode. Their alpha-decay and/or spontaneous fission are detected in 4pi-geometry in two ionization chambers, divided by the common cathode. Using DIC the alpha-decay of Bi and Pb isotopes produced in the fusion reactions Ar-40 + Tb-153 and Ca-40 + Eu-153 were detected. A new isomer, 189mBi was observed.

引用

页码：125 / 131

页数：7

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