Trajectory measurements and correlations in the final focus beam line at the KEK Accelerator Test Facility. / Renier, Y.; Bambade, P.; Tauchi, T.; White, G. R.; Boogert, S.

In: Physical Review Special Topics: Accelerators and Beams, Vol. 16, No. 6, 062803, 28.06.2013.

Research output: Contribution to journalArticle

Published

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Trajectory measurements and correlations in the final focus beam line at the KEK Accelerator Test Facility. / Renier, Y.; Bambade, P.; Tauchi, T.; White, G. R.; Boogert, S.

In: Physical Review Special Topics: Accelerators and Beams, Vol. 16, No. 6, 062803, 28.06.2013.

Research output: Contribution to journalArticle

Harvard

Renier, Y, Bambade, P, Tauchi, T, White, GR & Boogert, S 2013, 'Trajectory measurements and correlations in the final focus beam line at the KEK Accelerator Test Facility', Physical Review Special Topics: Accelerators and Beams, vol. 16, no. 6, 062803. https://doi.org/10.1103/PhysRevSTAB.16.062803

APA

Renier, Y., Bambade, P., Tauchi, T., White, G. R., & Boogert, S. (2013). Trajectory measurements and correlations in the final focus beam line at the KEK Accelerator Test Facility. Physical Review Special Topics: Accelerators and Beams, 16(6), [062803]. https://doi.org/10.1103/PhysRevSTAB.16.062803

Vancouver

Renier Y, Bambade P, Tauchi T, White GR, Boogert S. Trajectory measurements and correlations in the final focus beam line at the KEK Accelerator Test Facility. Physical Review Special Topics: Accelerators and Beams. 2013 Jun 28;16(6). 062803. https://doi.org/10.1103/PhysRevSTAB.16.062803

Author

Renier, Y. ; Bambade, P. ; Tauchi, T. ; White, G. R. ; Boogert, S. / Trajectory measurements and correlations in the final focus beam line at the KEK Accelerator Test Facility. In: Physical Review Special Topics: Accelerators and Beams. 2013 ; Vol. 16, No. 6.

BibTeX

@article{8af99196b67d402588732dc5c945a58a,
title = "Trajectory measurements and correlations in the final focus beam line at the KEK Accelerator Test Facility",
abstract = "The Accelerator Test Facility 2 (ATF2) commissioning group aims to demonstrate the feasibility of the beam delivery system of the next linear colliders (ILC and CLIC) as well as to define and to test the tuning methods. As the design vertical beam sizes of the linear colliders are about few nanometers, the stability of the trajectory as well as the control of the aberrations are very critical. ATF2 commissioning started in December 2008, and thanks to submicron resolution beam position monitors (BPMs), it has been possible to measure the beam position fluctuation along the final focus of ATF2 during the 2009 runs. The optics was not the nominal one yet, with a lower focusing to make the tuning easier. In this paper, a method to measure the noise of each BPM every pulse, in a model-independent way, will be presented. A method to reconstruct the trajectory's fluctuations is developed which uses the previously determined BPM resolution. As this reconstruction provides a measurement of the beam energy fluctuations, it was also possible to measure the horizontal and vertical dispersion function at each BPMs parasitically. The spatial and angular dispersions can be fitted from these measurements with uncertainties comparable with usual measurements.",
keywords = "SYSTEM",
author = "Y. Renier and P. Bambade and T. Tauchi and White, {G. R.} and S. Boogert",
year = "2013",
month = jun,
day = "28",
doi = "10.1103/PhysRevSTAB.16.062803",
language = "English",
volume = "16",
journal = "Physical Review Special Topics: Accelerators and Beams",
issn = "1098-4402",
publisher = "American Physical Society",
number = "6",

}

RIS

TY - JOUR

T1 - Trajectory measurements and correlations in the final focus beam line at the KEK Accelerator Test Facility

AU - Renier, Y.

AU - Bambade, P.

AU - Tauchi, T.

AU - White, G. R.

AU - Boogert, S.

PY - 2013/6/28

Y1 - 2013/6/28

N2 - The Accelerator Test Facility 2 (ATF2) commissioning group aims to demonstrate the feasibility of the beam delivery system of the next linear colliders (ILC and CLIC) as well as to define and to test the tuning methods. As the design vertical beam sizes of the linear colliders are about few nanometers, the stability of the trajectory as well as the control of the aberrations are very critical. ATF2 commissioning started in December 2008, and thanks to submicron resolution beam position monitors (BPMs), it has been possible to measure the beam position fluctuation along the final focus of ATF2 during the 2009 runs. The optics was not the nominal one yet, with a lower focusing to make the tuning easier. In this paper, a method to measure the noise of each BPM every pulse, in a model-independent way, will be presented. A method to reconstruct the trajectory's fluctuations is developed which uses the previously determined BPM resolution. As this reconstruction provides a measurement of the beam energy fluctuations, it was also possible to measure the horizontal and vertical dispersion function at each BPMs parasitically. The spatial and angular dispersions can be fitted from these measurements with uncertainties comparable with usual measurements.

AB - The Accelerator Test Facility 2 (ATF2) commissioning group aims to demonstrate the feasibility of the beam delivery system of the next linear colliders (ILC and CLIC) as well as to define and to test the tuning methods. As the design vertical beam sizes of the linear colliders are about few nanometers, the stability of the trajectory as well as the control of the aberrations are very critical. ATF2 commissioning started in December 2008, and thanks to submicron resolution beam position monitors (BPMs), it has been possible to measure the beam position fluctuation along the final focus of ATF2 during the 2009 runs. The optics was not the nominal one yet, with a lower focusing to make the tuning easier. In this paper, a method to measure the noise of each BPM every pulse, in a model-independent way, will be presented. A method to reconstruct the trajectory's fluctuations is developed which uses the previously determined BPM resolution. As this reconstruction provides a measurement of the beam energy fluctuations, it was also possible to measure the horizontal and vertical dispersion function at each BPMs parasitically. The spatial and angular dispersions can be fitted from these measurements with uncertainties comparable with usual measurements.

KW - SYSTEM

U2 - 10.1103/PhysRevSTAB.16.062803

DO - 10.1103/PhysRevSTAB.16.062803

M3 - Article

VL - 16

JO - Physical Review Special Topics: Accelerators and Beams

JF - Physical Review Special Topics: Accelerators and Beams

SN - 1098-4402

IS - 6

M1 - 062803

ER -