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Terechkine, I.

Paper Title Page
MO301 Overview of the High Intensity Neutrino Source Linac R&D Program at Fermilab 36
  • R.C. Webber, G. Apollinari, J.-P. Carneiro, I.G. Gonin, B.M. Hanna, S. Hays, T.N. Khabiboulline, G. Lanfranco, R.L. Madrak, A. Moretti, T.H. Nicol, T.M. Page, E. Peoples, H. Piekarz, L. Ristori, G.V. Romanov, C.W. Schmidt, J. Steimel, I. Terechkine, R.L. Wagner, D. Wildman
    Fermilab, Batavia
  • P.N. Ostroumov
    ANL, Argonne
  • W.M. Tam
    IUCF, Bloomington, Indiana

Funding: Fermilab is operated by Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the United States Department of Energy.
The High Intensity Neutrino Source (HINS) linac R&D program at Fermilab aims to construct and operate a first-of-a-kind, 60 MeV, superconducting H- linac. The machine will demonstrate acceleration of high intensity beam using superconducting spoke cavities from 10 MeV, solenoidal focusing optics throughout for axially-symmetric beam to control halo growth, and operation of many cavities from a single high power rf source for acceleration of non-relativistic particles.


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MOP013 Focusing Solenoids for the HINS Linac Front End 82
  • I. Terechkine, G. Apollinari, J. DiMarco, Y. Huang, D.F. Orris, T.M. Page, R. Rabehl, M.A. Tartaglia, J.C. Tompkins
    Fermilab, Batavia

Low energy part of the linac for the HINS project at Fermilab will use superconducting solenoids as beam focusing elements (lenses). While lenses for the conventional, DTL-type accelerating section of the front end require individual cryostats, in the superconducting accelerating sections solenoids will be installed inside rf cryomodules. Some of the lenses in the conventional and in the superconducting sections are equipped with horizontal and vertical dipole correctors. Lenses for the conventional DTL section are in the stage of production with certification activities ongoing at Fermilab. For the superconducting sections of the linac, several prototypes of focusing lenses were built and tested. Solenoid magnetic axis is used for alignment of the lenses in the transport channel of the accelerator. Corresponding technique has been developed at Fermilab and is used during certification of the production lenses for the DTL section. This report will summarize main design features, parameters, and test results of the focusing lenses of the linac. Magnetic axis alignment technique will also be described.

THP089 High Power L-Band Fast Phase Shifter 999
  • I. Terechkine, T.N. Khabiboulline, N. Solyak
    Fermilab, Batavia

Following development and testing a prototype waveguide-based high power phase shifter, a design concept of a high power fast phase shifter has been developed. The shifter uses ferrite blocks positioned in a rectangular waveguide. The waveguide cross-section is chosen to suppress most of resonances that could otherwise be a limiting factor for the phase shifter high power performance. Base bias field is created with the use of permanent magnets. Low inductance coils in the same magnetic circuit excite fast (pulsed) bias field component. The waveguide is designed in a way to ensure that the pulsed magnetic field penetrates inside the waveguide with minimum delay while allowing effective heat extraction from the ferrite blocks. This report provides details of the system design, including expected rf behavior and frequency range.