A new method for measuring the absolute efficiency of isotope separation on-line systems

被引：13
|
作者：
Lecesne, N
Villari, ACC
Angelique, JC
Bertrand, P
Blank, B
Clapier, F
DelasHeras, F
Ducourtieux, M
Foury, P
Jardin, P
Joubert, A
LepineSzily, A
Leroy, R
Lewitowicz, M
Liang, CF
Mandin, J
Marry, C
Maunoury, L
Obert, J
Orr, NA
Pacquet, JY
Paris, P
Potier, JC
Proust, J
Putaux, JC
Robert, E
SaintLaurent, MG
Sortais, P
机构：
[1] INST SCI MAT & RAYONNEMENT, LPC, F-14050 CAEN, FRANCE
[2] CEN BORDEAUX GRADIGNAN, F-33175 GRADIGNAN, FRANCE
[3] INST PHYS NUCL, F-91406 ORSAY, FRANCE
[4] IFUSP, BR-01498 SAO PAULO, BRAZIL
[5] CTR SPECTROMETRIE NUCL & SPECTROMETRIE MASSE, F-91406 ORSAY, FRANCE
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1997年 / 126卷 / 1-4期
关键词：
D O I：
10.1016/S0168-583X(96)01029-4
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new method for measuring the absolute efficiency of Isotope Separation On Line (ISOL) systems is described, The overall efficiency is deduced from the ratio between the rate of the radioactive beam detected after analysis and the rate of incident radioactive beam in the target, It is shown that the unfolding of the different efficiencies, i,e., diffusion, effusion, ionisation and transport allows us to deduce the diffusion constants when the absolute efficiency data is obtained as a function of the target temperature, Using this technique we extracted the fundamental Arrhenius constants for diffusion of Ar and Ne in Carbon targets used in the SIRa experiments at GANIL.
引用
收藏
页码：141 / 145
页数：5
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