Evaluation and compensation of detector solenoid effects on disrupted beam in the ILC 14mrad extraction line

Toprek, Dragan; Nosochkov, Y.

doi:10.1016/j.nima.2009.09.135

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2011

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Cited by 2 publications

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The effects of realistic pancake solenoids on particle transport

Okamura

Pikin

et al. 2011

Nuclear Instruments and Methods in Physics Research Section A:

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5Solenoids are widely used to transport or focus particle beams. Usually, they are assumed as being ideal 6 solenoids with a high axial-symmetry magnetic field. Using the Vector Field Opera program, we modeled 7 asymmetrical solenoids with realistic geometry defects, caused by finite conductor and current jumpers. 8Their multipole magnetic components were analyzed with the Fourier fit method; we present some 9 possible optimized methods for them. We also discuss the effects of "realistic" solenoids on low energy 10 particle transport. The finding in this paper may be applicable to some lower energy particle transport 11 system design. 12

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The effects of realistic pancake solenoids on particle transport

Okamura

Pikin

et al. 2011

Nuclear Instruments and Methods in Physics Research Section A:

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Effects of Magnet Errors in the ILC 14 mrad Extraction Line

Toprek¹,

Sci.²,

Nosochkov³

2009

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The ILC baseline extraction line is designed for 14 mrad horizontal crossing angle between e+ and e-colliding beams at Interaction Point (IP). The extraction optics in the Interaction Region (IR) includes a detector integrated dipole field (anti-DID) to reduce orbit perturbation caused by the detector solenoid and minimize detector background. This paper presents a study of random field and alignment errors in the extraction magnets, compensation of the induced orbit perturbation, and effects of errors on extraction beam power loss. The results are obtained for the baseline ILC energy of 500 GeV center-of-mass and three options of beam parameters.

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Evaluation and compensation of detector solenoid effects on disrupted beam in the ILC 14mrad extraction line

Abstract: Abstract

Cited by 2 publications

References 13 publications

The effects of realistic pancake solenoids on particle transport

The effects of realistic pancake solenoids on particle transport

Effects of Magnet Errors in the ILC 14 mrad Extraction Line

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