Radiation effect on positronium formation in solid state nuclear track detector.

Mohamed HF; Abd-El-Hady M; Abdel-Hady EE

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Radiation effect on positronium formation in solid state nuclear track detector.

机译：固态核径迹探测器中辐射对正电子形成的影响。

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The effect of alpha-particles on CR-39, a material used in solid state nuclear track detectors (SSNTDs), has been investigated using the positron annihilation lifetime (PAL) technique. The samples were irradiated using a (238)Pu alpha-source of energy ranging from 1 to 5 MeV and with different doses ranging from 0 to 57.87 mGy. The ortho-positronium (o-Ps) lifetime, tau(3), shows a slight increase as the irradiation dose increases, while a rapid change in the o-Ps intensity, I(3) at 10 mGy was found. In addition, the PAL parameters (tau(3), I(3)) have been studied as a function of the energy of alpha-particles. The obtained results indicate that the o-Ps lifetime increases slightly with increasing energy of the alpha-particle. On the other hand, the o-Ps intensity decreases exponentially with increasing alpha-particle energy, plateaus, and finally increases. The data show that the track diameter increases with decreasing energy of the alpha-particle, while the track density increases with increasing the irradiation dose. A correlation between the track diameter and the o-Ps hole diameter was observed.

机译：已经使用正电子an灭寿命（PAL）技术研究了α粒子对CR-39（固态核径迹检测器（SSNTDs）中使用的材料）的影响。使用范围从1到5 MeV的（238）Puα能量源和0到57.87 mGy的不同剂量辐照样品。邻位正电子（o-Ps）寿命tau（3）随着辐照剂量的增加而略有增加，而o-Ps强度I（3）在10 mGy时迅速变化。另外，已经研究了PAL参数（tau（3），I（3））作为α粒子能量的函数。获得的结果表明，o-Ps的寿命随着α粒子能量的增加而略微增加。另一方面，o-Ps强度随着α粒子能量平稳期的增加呈指数下降，最后增加。数据表明，轨道直径随α粒子能量的降低而增加，而轨道密度则随辐照剂量的增加而增加。观察到轨道直径和o-Ps孔直径之间的相关性。

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《Applied radiation and isotopes: including data, instrumentation and methods for use in agriculture, industry and medicine》 |2007年第3期|共7页
作者
Mohamed HF; Abd-El-Hady M; Abdel-Hady EE;
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正文语种 eng
中图分类原子核物理学、高能物理学;放射医学;
关键词
Energy; Physics; solid state; particle; Detectors;

机译：能量;物理;固态;粒子;检测器;

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1. Radiation effect on positronium formation in solid state nuclear track detector. [J] . Mohamed HF, Abd-El-Hady M, Abdel-Hady EE Applied radiation and isotopes: including data, instrumentation and methods for use in agriculture, industry and medicine . 2007,第3期

机译：固态核径迹探测器中辐射对正电子形成的影响。
2. Using UV Irradiation to Shorten Track Formation Time on CR-39 Detector. [J] . E. KADIVAR, Kh. RAHIMI, M. A. SHAHZAMANIAN Research Journal of Pharmaceutical, Biological and Chemical Sciences . 2015,第6期

机译：使用紫外线辐照缩短CR-39检测器上的轨道形成时间。
3. Influence of intense soft X-ray radiation on the parameters of tracks induced in CR-39 and PM-355 solid state nuclear track detectors [J] . Szydlowski A., Malinowska A., Szewczak K., Radiation measurements . 2015,第Null期

机译：强烈的软X射线辐射对CR-39和PM-355固态核径迹探测器中引起的径迹参数的影响
4. Comments on the Effect of Y-lrradiation on Positronium Formation in Polymers at Low Temperatures [C] . M.S. Arzhakov, V.W. Gustov, I.B. Kevdina, International conference on positron annihilation . 2001

机译：关于y-lradiation对低温聚合物中正正态形成的影响
5. Atomic force microscopy methods for the analysis of high-LET tracks in CR-39 plastic nuclear track detector. [D] . Johnson, Carl E., Jr. 2009

机译：原子力显微镜法分析CR-39塑料核径迹探测器中的高LET径迹。
6. Tracking patient radiation exposure: challenges to integrating nuclear medicine with other modalities [O] . Mathew Mercuri, Madan M. Rehani, Andrew J. Einstein -1

机译：跟踪患者辐射曝光：将核医学与其他方式整合挑战
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Radiation effect on positronium formation in solid state nuclear track detector.

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