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Development of Diamond Sensors for Beam Halo and Compton Spectrum Diagnostics after the Interaction Point of ATF2

Abstract : ATF2 is a low energy (1.3GeV) prototype of the final focus system for ILC and CLIC linear collider projects. A major issue at ATF2 and in linear colliders is to control the beam halo, which consists of tails extending far beyond the Gaussian core of the beam. At present there is no dedicated collimation for the beam halo at ATF2, and the transverse distribution near the interaction point is not well known. The development of a sensor based on CVD diamond to scan the beam halo in the vacuum chamber a few meters after the interaction point is presented. This system also aims to detect the Compton recoil electrons generated by the laser interferometer (Shintake monitor) used to measure the beam size at the interaction point of ATF2.
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Submitted on : Monday, July 29, 2013 - 3:58:30 PM
Last modification on : Wednesday, September 16, 2020 - 5:40:35 PM
Long-term archiving on: : Wednesday, October 30, 2013 - 2:45:13 AM

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S. Liu, P. Bambade, S. Bai, T. Tauchi, N. Terunuma. Development of Diamond Sensors for Beam Halo and Compton Spectrum Diagnostics after the Interaction Point of ATF2. IPAC 13 - 4th International Particle Accelerator Conference, May 2013, Shanghai, China. pp.470-472. ⟨in2p3-00822890⟩

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