| 1. | Beam emittance measurement with modified three gradient method
用修正三梯度法测量束流发射度 |
| 2. | Researches on thermal emittance of metal cathode in photoinjectors
光阴极电子枪中金属光阴极的热发射度研究 |
| 3. | Analysis of emittance compensation and simulation results to photo - cathode rf gun
光阴极微波电子枪中发射度补偿及模拟计算 |
| 4. | The beam orbit offset effects caused by the initial beam offset and linac componets " offsets in beam transferring process
良好的束流轨道可以获得低发射度、低能散的高品质束流。 |
| 5. | The effect of field strength , initial phase , bunch shape and charge on electron beam transverse emittance is also explored by numeric simulation method
利用数值模拟方法研究了加速场强、注入相位、束团大小、形状、电荷等因素对束流横向发射度产生的影响。 |
| 6. | The result shows that the halo intensity factor becomes zero after it is controlled , other statistical physical quantities , such as r ( subscript ms ) and p ^ 2 and related average emittances are obviously reduced
结果表明，加控制后束晕强度因子变为零，束均方根半径、束横向动量平方和的平均值和束横向平均发射度比控制前都明显减小。 |
| 7. | Moreover the paper makes forth of the hypothesis of optimizing the beam quality . through measuring the emittance , the facility can change the parameters of magnetic quadruple lenses to optimize the beam quality in real - time
同时提出了利用发射度测量装置来监测束流品质进而改变磁四极透镜相关参数以实现实时地对束线品质优化的设想。 |
| 8. | The electromagnetism field of the accelerator cavity is analyzed , and the movement of electron in the cavity also analyzed . the vibration rule of transverse emittance is acquired when the electron beams move in the accelerator cavity , and the result complies with the numeric simulation
分析了rf - gun加速腔中的电磁场结构和电子运动规律，得到电子束在加速腔中运动时束流横向发射度是振荡变化的，与数值模拟结果吻合。 |
| 9. | Simulation on the a - magnet of 30mev linac is also done with the gpt code ; the movement picture of electron beam in a - magnet is presented ; the change of beams emittance , the compression effect of bunch length , change of energy dissipation and achromatic angle of true a - magnet are explored . this chapter mainly introduces some characteristics and properties of the main accelerate stage in 30mev linac system
利用gpt程序对30mevlinac中的-磁铁进行了动力学模拟，给出了电子束在-磁铁中的运动图像，研究了注入器输出束流经过-磁铁后束流发射度的变化、束团长度的压缩效应、能散度的变化以及-磁铁实际的消色散入射角。 |
| 10. | Numeric simulation is done based on 30mev linac structure and the corresponding parts " parameters . the simulate result shows that the design of beam line is reasonable . the beam properties change very small when the drifting distance before the first acceleration stage is changed in the certain ranges
根据30mevlinac结构和元件参数进行了整体的数值模拟，模拟结果表明： 30mevlinac中各个加速段的结构与性能较好，输出束流的发射度和能散度都较小，束线的设计也较合理。 |
