Determination of Bragg peak location for heavy charged particles with CR-39 solid track detectors

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Determination of Bragg peak location for heavy charged particles with CR-39 solid track detectors

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- Determination of Bragg peak location for heavy charged particles with CR-39 solid track detectors
- NUCLEAR TECHNIQUES Issue 3, (1994)
- 作者机构：
  
  中国科学院近代物理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： O572.212
- Published：01 March 1994
- 稿件说明：
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[1]王桂玲,刘玉岩,卫增泉.用CR－39固体径迹探测器测定重带电粒子的Bragg峰位[J].核技术,1994(03):136-139.

Determination of Bragg peak location for heavy charged particles with CR-39 solid track detectors[J]. Nuclear techniques, 1994, (3).
[1]王桂玲,刘玉岩,卫增泉.用CR－39固体径迹探测器测定重带电粒子的Bragg峰位[J].核技术,1994(03):136-139. DOI：

Determination of Bragg peak location for heavy charged particles with CR-39 solid track detectors[J]. Nuclear techniques, 1994, (3). DOI：

摘要

采用ＣＲ－３９固体径迹探测器，根据辐射损伤密度沿粒子的径迹分布规律，测定了经３、４ｃｍ空气降能和φ１ｍｍ孔准直的α粒子（５．１５ＭｅＶ）的Ｂｒａｇｇ峰位。对于通过３ｃｍ空气后能量降至～１２ＭｅＶ的α粒子，在ＣＲ－３９中的Ｂｒａｇｇ峰位大约在７μｍ深度处，理论计算值在６．１４μｍ，实验值与理论值符合得较好。

Abstract

sing a CR-39 solid track detector the Bragg peak location for 239Pu α-particles （5.15MeV） passing through an air gap of 3 or 4cm and a collimater of φ1mm aperture is determined according to the distribution rule of radiation damage density along charged particle tracks. For a-particles of about 1.2MeV

the Bragg peaks in CR-39 are located at about 7 μm

and the calculated value in this case is 6.14 μm. The experimental result is in good agreement with the theoretical value.

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Related Institution

Institute of Modern Physics, Academta Sinica

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