Lifetime analysis using the Doppler-shift attenuation method with a gate on feeding transition

被引：33
作者：
Petkov, P [1 ]
Tonev, D
Gableske, J
Dewald, A
von Brentano, P
机构：
[1] Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany
[2] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BU-1784 Sofia, Bulgaria
[3] Univ Sofia, Fac Phys, Sofia 1164, Bulgaria
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1999年 / 437卷 / 2-3期
关键词：
line-shapes in coincidence DSAM measurements; lifetime determination;
D O I：
10.1016/S0168-9002(99)00771-8
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A method for the description of the gamma-ray line-shapes observed in coincidence lifetime measurements using the Doppler-shift attenuation method is proposed. The case where a gate is set on a transition which feeds directly the level of interest is considered in detail. The formalism for lifetime determination in the general framework of the differential decay-curve method is developed. The method is illustrated by an application to data simulated for the case of the Cd-116(O-16, 4n)Ba-128 reaction at a beam energy of 72 MeV observed with a multi-detector set-up. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：274 / 281
页数：8
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