Beam Diagnostic Study and Development of Laser Based Photo Neutralization Beam Profile monitor system in High intensity Proton Accelerator.

高强度质子加速器中基于激光的光中和束流轮廓监测系统的束流诊断研究和开发。

• 批准号: 19340069
• 负责人: LEE Seishu
• 金额: $ 12.15万
• 依托单位: High Energy Accelerator Research Organization
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2007
• 资助国家: 日本
• 起止时间: 2007 至 2009
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19340069/
• 关键词: 加速器; ビーム計測; レーザー

In order to improve the beam intensity and quality of high intensity proton accelerator, the beam diagnostic systems have been developed. A laser based photo neutralization beam profile monitor was constructed in J-PARC Linac. Beam current, position and profile had be confirmed to obtain the specifications of laser based beam profile monitor. Spatial profile of magnetic field to collect the photo ionized electrons was evaluated. Feedthrough and vacuum vessels were composed of radiation resistant materials for high intensity operation. Large current and low emittance negative ion beam have been obtained by fine tuning using the beam diagnostic system. Neutral particle component of negative ion beam by residual gas impact was also measured in Linac dump line. Beam diagnostic system have been played important role for high intensity beam operation, and these results are indispensable for development of laser based profile monitor.

为了提高强流质子加速器的束流强度和束流质量，研制了束流诊断系统。在J-PARC直线加速器上研制了一台激光光中和束流轮廓监测器。确定了束流、束流位置和束流轮廓，得到了激光束轮廓监测仪的技术指标。评估了收集光电离电子的磁场的空间分布。馈通和真空容器由耐辐射材料组成，用于高强度操作。利用该束流诊断系统，通过微调获得了大电流、低发射度的负离子束流。还在直线加速器排放线上测量了由残余气体撞击产生的负离子束的中性粒子成分。束流诊断系统在高强度束流运行中发挥着重要作用，其研究成果对激光束面形监测器的发展具有重要意义。

项目成果

Beam Instrumentations for the J-PARC RCS Commissioning

用于 J-PARC RCS 调试的光束仪器

• 发表时间: 2008
• 作者: N. Hayashi;S. Hiroki;R. Saeki;R. Toyokawa;K. Yamamoto;M. Yoshimoto;D. Arakawa;S. Hiramatsu;S. Lee;K. Satou;M. Tejima;T. Toyama
• 通讯作者: T. Toyama

J-PARCリニアックACS加速空洞増強におけるモニターシステムの設計

J-PARC直线加速器ACS加速腔加固监测系统设计

• 发表时间: 2009
• 作者: 三浦昭彦;佐藤進;佐甲博之;吉川博;長谷川和男;五十嵐前衛;池上雅紀
• 通讯作者: 池上雅紀

Beam Energy Measurement at J-PARC LINAC

J-PARC LINAC 的束能量测量

• 发表时间: 2008
• 作者: Susumu Sato;ZenEi Igarashi;Tetsuo Tomisawa;Akihiko Miura;Akira Ueno;Hiroyuki Sako;Takatoshi Morishita;Yasuhiro Kondo;Guobao Shen;Hisashi Akikawa;Masanori Ikegami;Takeshi Toyama;Seishu Lee
• 通讯作者: Seishu Lee

Study of Beam loss measurement in J-PARC linac

J-PARC直线加速器光束损耗测量研究

• 发表时间: 2009
• 作者: A. Miura;S. Sato;T. Tomisawa;H. Sako;T. Morishita;H. Takahashi;A. Ueno;K. Hasegawa;H. Yoshikawa;Z. Igarashi;M. Ikegami
• 通讯作者: M. Ikegami

The Beam Position Monitor System of the J-PARC RCS

J-PARC RCS 的光束位置监测系统

• 发表时间: 2008
• 作者: N. Hayashi;S. Hiroki;R. Saeki;R. Toyokawa;K. Yamamoto;D. Arakawa;S. Hiramatsu;S. Lee;K. Satou;M. Tejima;T. Toyama
• 通讯作者: T. Toyama