| BEPC基于束流准直的BPM OFFSET测量系统 |
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| 引用本文： | 胡春良.BEPC基于束流准直的BPM OFFSET测量系统[J].中国物理 C,2004,28(2):200-204. |
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| 作者姓名： | 胡春良 |
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| 作者单位： | 中国科学院高能物理研究所 北京100039 |
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| 基金项目： | BEPC改进项目基金资助~~ |
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| 摘 要： | 束流轨道对加速器的运行很重要,为了能准确的测量束流的位置,有必要对束流位置监视器(BPM)本身进行快速,准确的准直.介绍在BEPC上用束流作为基准来测量BPM的零点偏差(OFFSET) .这套测量系统用辅助绕组来改变四极磁铁的强度,已经应用到BEPC上,并且取得一定效果.
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| 关 键 词： | 束流位置监视器 零点偏差 北京正负电子对撞机 束流准直 辅助绕组 |
| 收稿时间： | 2003-4-18 |
Beam-Based Calibration System of BPM Offset on BEPC |
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| HU Chun-Liang.Beam-Based Calibration System of BPM Offset on BEPC[J].High Energy Physics and Nuclear Physics,2004,28(2):200-204. |
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| Authors: | HU Chun-Liang |
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| Institution: | HU Chun-Liang 1) |
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| Abstract: | The ever-increasing demand for better performance from circular accelerators requires improved methods to calibrate. beam position monitors(BPM). A beam based calibration system has been established to locate the centers of the BPM with respect to the magnetic center of quadrupole magnets.;Additional windings are applied to the quadrupole magnets to make the quadrupole magnetic strength individually adjustable and the number of the power supply of all 32 additional windings is only one. Software system has been finished to automatically measure the offsets of BPMs.;The effect of the beam-based calibration system shows that the calibration of BPM has been more quickly and accuretely. |
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| Keywords: | BPM offset BEPC beam-based additional winding |
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