| 纵向高斯型密度分布下电荷束团的自场能与发射度增长 |
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| 引用本文： | 黄志斌,陈银宝,傅世年.纵向高斯型密度分布下电荷束团的自场能与发射度增长[J].核科学与工程,1997(3). |
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| 作者姓名： | 黄志斌 陈银宝 傅世年 |
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| 作者单位： | 中国原子能科学研究院 |
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| 基金项目： | 国家自然科学基金,核工业科学基金 |
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| 摘 要： | 在直线加速器中纵向高斯型密度分布的假定下，推得了纵向高斯型密度分布与横向密度分布分别为均匀型（Ｋ－Ｖ）、水袋型（ＷＢ）、抛物线型（ＰＡ）和高斯型（ＧＡ）相组合情况下的非均匀密度分布的自场能公式及相应的束流发射度增长；并且通过数值计算，给出了束团自场能及发射度随加速器和束团参数变化的图表。
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| 关 键 词： | 纵向高斯型密度分布，束团自场能，束流发射度 |
^FREE ENERGY AND EMITTANCE GROWTH CAUSED BY LONGITUDINAL GAUSSIAN DISTRIBUTION COMBINED WITHDIFFERENT TRANSVERSE DISTRIBUTIONS IN LINAC |
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| Affiliation: | (China institute of Atomic Energy |
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| Abstract: | The nonlinear space charge effect of bunched beam in linac is one of the important factors in- ducing the eminence growth due to the conversion of the field energy to kinetic energy . In this paper, using a cylinder model of space charge in linac, we derived the internal field energy for a bunched beam with some nonuniform space charge distributions. such as longitudinal Gaussian dis- tribution combined with each of Kapchinskij-Vladimirskij , waterbed, parabolic and Gaussian transverse distributions . And the eminence growths caused by above different distributions are Worked out . |
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| Keywords: | eminence growth free energy longitudinal Garssian distribution |
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