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Poster session: Heavy-ion accelerators and electron cooling

P.6.

M.I.Brizgunov, A.V.Bubley, V.M.Panasiuk, V.V.Parkhomchuk, V.B.Reva (Budker Insti- tute of Nuclear Physics, Novosibirsk, Russia)

Particle motion features in the storage ring with the longitudinal mag- netic field.

Dr. Vladimir Borisovich Reva: V.B.Reva@inp.nsk.su

P.7.

E.S.Masunov, S.A.Kostin, A.V.Samoshin (Moscow Engineering Physics Institute (State University), Moscow, Russia)

Ion Beam Focusing Methods in Superconducting Low Energy Linac

Ion superconducting linac is based on independently phased cavities. The low charge state beams require stronger transverse focusing. This focusing can be reached with the help of electric or magnetic quadruples, SC solenoid lenses and RF fields. In this paper the vari- ous focusing methods are compared for low ion velocities.

Dr. Eduard Sergeevich Masunov: ESMasunov@mephi.ru

P.8.

  • A.

    V.Bubley, M.I.Brizgunov, V.M.Panasiuk, V.V.Parkhomchuk, V.B.Reva,

  • M.

    A.Vedenev, V.A.Vostrikov (Budker Institute of Nuclear Physics, Novosibirsk, Russia)

Ion storage ring at low energy with high intensity and electron cooling Dr. Vladimir Borisovich Reva: V.B.Reva@inp.nsk.su

P.9.

D.V. Pestrikov (Budker Institute of Nuclear Physics, Novosibirsk, Russia)

Space charge limit on the intensity of an ion coasting beam during its electron cooling

The cooling of an ion beam increases strengths if its space charge forces and the nonlin- earities of such forces. These variations change the stability conditions for transverse co- herent oscillations of the ion beam and the shape of the stability diagram of these oscilla- tions. The beam cooling holds until the coherent frequency shift of the beam approach the border of its stability diagram. Without special efforts this phenomenon defines a non- resonant limit on the attainable value of the Laslett tune shift of the ion beam during its electron cooling.

Dr. Dmitri Vasilievich Pestrikov: pestrikov@inp.nsk.su

59

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