Hybrid Quadrupole Lens for the Focusing Channel of the DARIA Complex-Reference-Cited by-同舟云学术

Hybrid Quadrupole Lens for the Focusing Channel of the DARIA Complex

Published:2023-07-01 Issue:7 Volume: Page:40-46
ISSN:1028-0960
Container-title:Поверхность. Рентгеновские, синхротронные и нейтронные исследования
language:
Short-container-title:Poverhnostʹ. Rentgenovskie, sinhrotronnye i nejtronnye issledovaniâ

Author:

Kilmetova I. V.¹,Kozlov A. V.¹,Kropachev G. N.¹²,Kulevoy T. V.¹,Liakin D. A.¹,Sergeeva O. S.¹,Skachkov V. S.¹,Stasevich Yu. B.¹

Affiliation:

1. NRC “Kurchatov institute”

2. Joint Institute for Nuclear Research

Abstract

The results of synthesis and electromagnetic calculation of a hybrid quadrupole lens for a proton linear accelerator of a compact neutron source DARIA are presented. The lens includes a permanent magnet quadrupole with a fixed magnetic field gradient and an auxiliary electromagnetic quadrupole excited by a pulsed current. The permanent magnet quadrupole is made of radiation-resistant rare-earth magnet, and the electromagnetic quadrupole is designed to compensate for permanent magnet magnetization losses resulting from radiation degradation as neutron fluence accumulates during accelerator operation. A hybrid quadrupole lens can be applied for fast adjustment of the focusing channel when accelerating ion beams with different ion mass-to-charge ratios.

Publisher

The Russian Academy of Sciences

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