A. Ando

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Publications (2)2.89 Total impact

  • Source
    Article: Beam Lifetime in the Initial Operation of KEK Main Ring
    A. Ando, A. Araki, K. Endo, T. Igarashi, T. Kasuga, M. Kihara
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    ABSTRACT: In the initial operation of the main ring of KEK PS, efforts have been put on improving the beam life by incorporating the correction lenses as well as reducing the emittance of the booster beam and the injection error. The transmission of 30 % at 0.5 sec after injection was obtained at the time of writing. This paper describes the performance of the main ring with respect to the beam life and discusses the problems to be solved.
    IEEE Transactions on Nuclear Science 07/1977; · 1.45 Impact Factor
  • Source
    Article: Prototype Multipole Magnets for the KEK Main Ring
    A. Ando, A. Araki, M. Kihara
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    ABSTRACT: Two types of multipole magnets were made and tested. They can generate multipole fields up to fourth order, both normal and skew, at the same time by one magnet. One has a twelve pole configuration, that is, a dodecapole magnet, the other is a "cos n??" magnet. They have an aperture of 160 mm in diameterand a 150 mm long core. The shape and the number of poles, and the number of coils were determined by the demand of the uniformity of multipole fields which was investigated numerically using the computer program LINDA. Multipole components of the magnets were analyzed by the rotating coils and a spectrum analyzer. The results well agree with numerical calculations.
    IEEE Transactions on Nuclear Science 07/1977; · 1.45 Impact Factor

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