Abstract: A superconducting wiggler with a magnetic field of 7 T is installed as an insertion device for three X-ray beamlines with photon energies of more than 30 keV used at the Dortmund Electron Accelerator (DELTA, Germany), a source of 1.5 GeV synchrotron radiation. Each of the two side beamlines is separated from the central one by 15 mrad and all three beamlines use a horizontal aperture of 5 mrad. To meet these requirements, the insertion device must have a period of 127 mm and a magnetic field of 7 T for the vertical aperture of a beam vacuum chamber 10 mm long and a flange-to-flange distance of 2.2 m. A superconducting 22-pole wiggler with a field of 7 T and a period of 127 mm operating in the zero boil-off mode is described. The concept and main approaches to designing the magnetic and the cryogenic systems are presented, along with the main parameters and results from testing the new 7-tesla superconducting wiggler for the DELTA storage ring.

Cite: Bragin A.V. , Erokhin A.I. , Gusev Y.A. , Khan S. , Khrushchev S.V. , Lev V.K. , Mezentsev N.A. , Safronov A.N. , Shkaruba V.A. , Tarasenko O.A. , Tsukanov V.M. , Vasichev S.S. , Volkov A.A. , Zorin A.V.
The 22-Pole Superconducting 7-Tesla Wiggler for the DELTA Storage Ring
Bulletin of the Russian Academy of Sciences: Physics. 2019. V.83. N2. P.208-214. DOI: 10.3103/s1062873819020059 Scopus AN OpenAlex

Original: Брагин А.В. , Васичев С.С. , Волков А.А. , Гусев Е.А. , Ерохин А.И. , Зорин А.В. , Лев В.Х. , Мезенцев Н.А. , Сафронов А.Н. , Тарасенко О.А. , Хан Ш. , Хрущев С.В. , Цуканов В.М. , Шкаруба В.А.
Сверхпроводящий 22-полюсный вигглер с полем 7 Тл для накопителя DELTA
Известия Российской академии наук. Серия физическая. 2019. Т.83. №2. С.257-263. DOI: 10.1134/S0367676519020054 OpenAlex

Dates:

Published print:	Feb 1, 2019
Published online:	May 7, 2019

Identifiers:

Scopus:	2-s2.0-85065557368
Chemical Abstracts:	2019:904737
OpenAlex:	W2944225615

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