Experimental validation of a novel compact focusing scheme for future energy-frontier linear lepton colliders

G. R. White, R. Ainsworth, T. Akagi, J. Alabau-Gonzalvo, D. Angal-Kalinin, S. Araki, A. Aryshev, S. Bai, P. Bambade, D. R. Bett, G. Blair, C. Blanch, O. Blanco, N. Blaskovic-Kraljevic, B. Bolzon, S. Boogert, P. N. Burrows, G. Christian, L. Corner, M. R. DavisA. Faus-Golfe, M. Fukuda, J. Gao, H. García-Morales, N. Geffroy, H. Hayano, A. Y. Heo, M. Hildreth, Y. Honda, J. Y. Huang, W. H. Hwang, Y. Iwashita, S. Jang, A. Jeremie, Y. Kamiya, P. Karataev, E. S. Kim, H. S. Kim, S. H. Kim, Y. I. Kim, S. Komamiya, K. Kubo, T. Kume, S. Kuroda, B. Lam, K. Lekomtsev, S. Liu, A. Lyapin, E. Marin, M. Masuzawa, D. McCormick, T. Naito, J. Nelson, L. J. Nevay, T. Okugi, T. Omori, M. Oroku, H. Park, Y. J. Park, C. Perry, J. Pfingstner, N. Phinney, A. Rawankar, Y. Renier, J. Resta-López, M. Ross, T. Sanuki, D. Schulte, A. Seryi, M. Shevelev, H. Shimizu, J. Snuverink, C. Spencer, T. Suehara, R. Sugahara, T. Takahashi, R. Tanaka, T. Tauchi, N. Terunuma, R. Tomás, J. Urakawa, D. Wang, M. Warden, M. Wendt, A. Wolski, M. Woodley, Y. Yamaguchi, T. Yamanaka, J. Yan, K. Yokoya, F. Zimmermann

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70 Citations (Scopus)


A novel scheme for the focusing of high-energy leptons in future linear colliders was proposed in 2001 [P. Raimondi and A. Seryi, Phys. Rev. Lett. 86, 3779 (2001)]. This scheme has many advantageous properties over previously studied focusing schemes, including being significantly shorter for a given energy and having a significantly better energy bandwidth. Experimental results from the ATF2 accelerator at KEK are presented that validate the operating principle of such a scheme by demonstrating the demagnification of a 1.3 GeV electron beam down to below 65 nm in height using an energy-scaled version of the compact focusing optics designed for the ILC collider.

Original languageEnglish
Article number034802
JournalPhysical Review Letters
Issue number3
Publication statusPublished - 2014 Jan 24


  • 29.20.Ej
  • 29.27.-a
  • 41.85.-p


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