CORRECTION OF DOPPLER BROADENING OF GAMMA-RAY LINES INDUCED BY PARTICLE-EMISSION IN HEAVY-ION-INDUCED FUSION-EVAPORATION REACTIONS

被引：30

作者：

SEWERYNIAK, D

NYBERG, J

FAHLANDER, C

JOHNSON, A

机构：

[1] UPPSALA UNIV,DEPT RADIAT SCI,UPPSALA,SWEDEN

[2] ROYAL INST TECHNOL,DEPT PHYS,S-10044 STOCKHOLM,SWEDEN

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1994年 / 340卷 / 02期

关键词：

D O I：

10.1016/0168-9002(94)90112-0

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The effect of the emission of light particles in heavy-ion induced fusion-evaporation reactions on the shape of gamma-ray lines measured with Ge detectors has been investigated. A method to correct the position and the width of the gamma-ray lines, based on the detection of the evaporated particles, has been developed. The method has been applied to the analysis of the data from a heavy-ion experiment, where a beam of 95 MeV S-32 was used to bombard a target of Al-27. The experimental set-up consisted of the NORDBALL gamma-ray multi-detector array, combined with a 4 pi charged particle detector system and a 1 pi neutron detector assembly. Predictions of a Monte Carlo simulation of the uncorrected and corrected gamma-ray lines are presented and compared with the experimental results. The importance of different properties of particle detectors for the correction effectiveness is discussed in view of the simulation results.

引用

页码：353 / 363

页数：11

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