Correction method for Doppler broadened γ-ray lines using the linear momentum of the evaporated charged particles in heavy-ion induced fusion-evaporation reactions

被引:3
|
作者
Aïche, M
Aléonard, MM
Barreau, G
Boivin, D
Bourgine, F
Cabaussel, D
Chemin, JF
Harston, M
Scheurer, JN
La Rana, G
Moro, R
Brondi, A
Vardaci, E
Curien, D
Hannachi, F
机构
[1] Univ Bordeaux 1, CEN Bordeaux Gradignan, IN2P3, F-33175 Gradignan, France
[2] Univ Naples Federico II, Ist Nazl Fis Nucl, I-80126 Naples, Italy
[3] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy
[4] Univ Strasbourg, Inst Rech Strasbourg, IN2P3, F-67037 Strasbourg, France
[5] CNRS, IN2P3, Ctr Spectrometrie Nucl & Spectrometrie Masse, F-94105 Orsay, France
关键词
Doppler shift; light charged particle; fusion-evaporation DIAMANT; EUROGAM II;
D O I
10.1016/S0168-9002(03)01475-X
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A method based oil the conservation of linear momentum is used to correct the position and the width of the gamma-ray lines of the residual nucleus produced in heavy-ion induced fusion-evaporation reactions. This method implies the measurement of the total number of the emitted particles, their masses, energies and directions of emission in coincidence with the prompt I-rays. It has been applied to the 120 MeV S-32 + Ni-58 reaction whose data have been collected using the high efficiency and large granularity 4pi light charged particle detector DIAMANT, coupled to the 4pi gamma-ray spectrometer EUROGAM II. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:367 / 377
页数:11
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