Paper |
Title |
Page |
MOPMB008 |
Modeling and Experimental Studies of Beam Halo at ATF2 |
88 |
SUPSS074 |
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- R.J. Yang, P. Bambade, V. Kubytskyi
LAL, Orsay, France
- A. Faus-Golfe, N. Fuster-Martínez
IFIC, Valencia, Spain
- T. Naito
KEK, Ibaraki, Japan
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The Accelerator Test Facility 2 (ATF2) at KEK is a prototype of the final focus system for the next generation of Future Linear Colliders(FCL). It aims to focus the beams to tens of nanometer transverse sizes and to provide stability at the few nm level. Achieving these goals requires modelling, measuring and suppressing of the transverse beam halo before the interaction point (IP). This paper presents a beam tail/halo generator based on realistic model and the investigation of vertical and horizontal beam tail/halo distribution at ATF2.
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THPOR030 |
Commissioning and First Performance Studies of a Single Vertical Beam Halo Collimation System at ATF2 |
3844 |
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- N. Fuster-Martínez, A. Faus-Golfe
IFIC, Valencia, Spain
- P. Bambade, A. Faus-Golfe, S. Wallon, R.J. Yang
LAL, Orsay, France
- K. Kubo, T. Okugi, T. Tauchi, N. Terunuma
KEK, Ibaraki, Japan
- I. Podadera, F. Toral
CIEMAT, Madrid, Spain
- T. Tauchi, N. Terunuma
Sokendai, Ibaraki, Japan
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A single vertical beam halo collimation system has been installed in the ATF2 beamline to reduce the background that could limit the precision of the diagnostics located in the post-IP beamline. On this paper the commissioning and first performance studies of a single vertical beam halo collimation system are reported. Furthermore realistic efficiency studies have been done using the simulation code BDSIM and compared with the first experimental tests.
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