Publications by Andrei Seryi


Scenarios for the ATF2 ultra-low betas proposal

IPAC 2010 - 1st International Particle Accelerator Conference (2010) 4554-4556

E Marín, R Tomás, B Parker, P Bambade, S Kuroda, T Okugi, T Tauchi, N Terunuma, J Urakawa, A Seryi, G White, M Woodley

The current ATF2 Ultra-Low beta proposal was designed to achieve 20nm vertical IP beam size without considering the multipolar components of the FD magnets. In this paper we describe different scenarios that avoid the detrimental effect of these multipolar errors to the beam size at the interaction point (IP). The simplest approach consists in modifying the optics, but other solutions are studied as the introduction of super-conducting wigglers to reduce the emittance or the replacement of the normal-conducting focusing quadrupole in the Final Doublet (NC-QF1FF) with a super-conducting quadrupole one (SC-QF1FF). These are fully addressed in the paper.


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