A digital pulse fitting method for the decay studies of short-lived nuclei

被引：0

作者：

Yang, H. B. ^{[1
]}

Gan, Z. G. ^{[1
]}

Zhang, Z. Y. ^{[1
]}

Zhang, M. M. ^{[1
,2
]}

Huang, M. H. ^{[1
]}

Ma, L. ^{[1
]}

Yang, C. L. ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

EUROPEAN PHYSICAL JOURNAL A | 2019年 / 55卷 / 01期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

REAL-TIME; PILE; ALGORITHMS;

D O I：

10.1140/epja/i2019-12684-7

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

.When studying short-lived nuclei via spectroscopic methods at recoil separators, the decay events tend to happen immediately after the recoil implantations or the decays of parent nuclei and therefore pile-up pulses are often encountered. Digital acquisition systems now allow the recording of waveforms of pile-up events rather than rejecting them as in traditional analog systems. Therefore, the extraction of the energy and time information stored in pile-up events with suitable precision is of great significance to the measurements of short-lived nuclei. In this paper, a pulse shape fitting method for processing pile-up events from silicon detectors are proposed. The method is developed on the basis of an improved analytical function for describing the shapes of preamplifier signals. The validity of the method is demonstrated by the experimental data of some short-lived nuclei produced in the reaction Ca-40 + W-184.

引用

页数：5

共 28 条

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