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Algorithm of the Computer Modelling and a SESANS Setup with Adiabatic RF-Flippers

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Abstract

We made software to simulate Larmor precession in a setup for SESANS with adiabatic/RF flippers in magnets, existing at PNPI. The final polarisation of a divergent “gribbon beam” of height 2 cm is calculated as a function of λ. For λ = 6 Å, flippers 56 cm apart and RF frequency 1 MHz we find spin-echo length δ = 0.9 δm. We show numerically, how λ is converted to δ. Extension to δ = 20 δm is realistic.

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Authors and Affiliations

  1. Interfaculty Reactor Institute, Delft University of Technology, 2629 JB, Delft, The Netherlands

    W. H. Kraan

  2. Petersburg Nuclear Physics Institute of National Research Centre “Kurchatov Institute”, Gatchina, 188300, Russia

    V. N. Zabenkin, L. A. Axelrod, Yu. O. Chetverikov, S. V. Grigoriev, E. G. Yashina & A. A. Sumbatyan

Authors
  1. W. H. Kraan
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  2. V. N. Zabenkin
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  3. L. A. Axelrod
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  4. Yu. O. Chetverikov
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  5. S. V. Grigoriev
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  6. E. G. Yashina
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  7. A. A. Sumbatyan
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Correspondence to W. H. Kraan.

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Kraan, W.H., Zabenkin, V.N., Axelrod, L.A. et al. Algorithm of the Computer Modelling and a SESANS Setup with Adiabatic RF-Flippers. J. Surf. Investig. 11, 1281–1288 (2017). https://doi.org/10.1134/S1027451017060131

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  • DOI: https://doi.org/10.1134/S1027451017060131

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