Beam-beam deflection effect in Beijing electron positron collider

yu cheng-hui; wang lin; wei yuan-yuan

Volume 17 Issue 11

Nov. 2005

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Article Navigation > High Power Laser and Particle Beams > 2005 > 17(11): 0-

du guangxing, qian baoliang. Side focusing fields generated by offset-pole periodic cusped magnets[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

yu cheng-hui, wang lin, wei yuan-yuan. Beam-beam deflection effect in Beijing electron positron collider[J]. High Power Laser and Particle Beams, 2005, 17.

du guangxing, qian baoliang. Side focusing fields generated by offset-pole periodic cusped magnets[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

yu cheng-hui, wang lin, wei yuan-yuan. Beam-beam deflection effect in Beijing electron positron collider[J]. High Power Laser and Particle Beams, 2005, 17.

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Beam-beam deflection effect in Beijing electron positron collider

1.
Institute of High Energy Physics,Chinese Academy of Science,Beijing 100049,China

Publish Date: 2005-11-25

Abstract

Abstract

It's an essential step for the commissioning of electron-positron collider to realize the absolute collision of electron and positron beams at the interaction point. The relative transverse offset between electron and positron beams causes the beam-beam deflection, which can be utilized effectively to detect and control the offset of two beams at the interaction point. Observation and measurement of the beam-beam deflection in vertical plane have been carried out in Beijing electron positron collidor (BEPC) successfully with a digital high-sensitive oscillograph and a pair of electrostatic separators. The study results not only prove the feasibility of this adjustment method but also provide valuable experience for the commissioning of BEPCⅡ.
- beam-beam deflection,
- beijing electron positron collider(bepc),
- collision tuning,
- digital oscillograph

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