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


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Аннотация

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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Авторлар туралы

W. Kraan

Interfaculty Reactor Institute

Хат алмасуға жауапты Автор.
Email: whkraan@gmail.com
Нидерланды, Delft, 2629 JB

V. Zabenkin

Petersburg Nuclear Physics Institute of National Research Centre “Kurchatov Institute”

Email: whkraan@gmail.com
Ресей, Gatchina, 188300

L. Axelrod

Petersburg Nuclear Physics Institute of National Research Centre “Kurchatov Institute”

Email: whkraan@gmail.com
Ресей, Gatchina, 188300

Yu. Chetverikov

Petersburg Nuclear Physics Institute of National Research Centre “Kurchatov Institute”

Email: whkraan@gmail.com
Ресей, Gatchina, 188300

S. Grigoriev

Petersburg Nuclear Physics Institute of National Research Centre “Kurchatov Institute”

Email: whkraan@gmail.com
Ресей, Gatchina, 188300

E. Yashina

Petersburg Nuclear Physics Institute of National Research Centre “Kurchatov Institute”

Email: whkraan@gmail.com
Ресей, Gatchina, 188300

A. Sumbatyan

Petersburg Nuclear Physics Institute of National Research Centre “Kurchatov Institute”

Email: whkraan@gmail.com
Ресей, Gatchina, 188300

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© Pleiades Publishing, Ltd., 2017