Superconducting dipole magnet for Hyperon spectrometer

J. K. Ahn; S. Choi; S. Hasegawa; S. H. Hayakawa; J. Hong; Y. Ichikawa; K. Imai; S. H. Kim; Y. Makida; H. Ohhata; H. Sako; K. Sasaki; S. Sato; T. Takahashi; K. Tanida; J. Yoshida

doi:10.1016/j.nima.2022.167775

Superconducting dipole magnet for Hyperon spectrometer

J. K. Ahn
, S. Choi
, S. Hasegawa
, S. H. Hayakawa
, J. Hong
, Y. Ichikawa
, K. Imai
, S. H. Kim
, Y. Makida
, H. Ohhata
, H. Sako
, K. Sasaki
, S. Sato
, T. Takahashi^*
, K. Tanida
, J. Yoshida

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

We have constructed a conduction-cooled superconducting dipole magnet for the Hyperon spectrometer at Japan Proton Accelerator Research Complex (J-PARC). The magnet is a Helmholtz-type dipole magnet with two circular coils with a radius of 500 mm separated by 500 mm. It provides a uniform magnetic field of 1.0 T or higher in a volume of ϕ600 mm × 600 mm, covering the drift region of a time projection chamber (TPC). Owing to the target location inside the TPC, the Hyperon spectrometer has a broad angular coverage with a nearly 2π solid angle. We have successfully excited the magnet up to 1.3 T. At 1.0 T, we operated it stably for more than 1 week in single-magnet configuration and double-magnet configuration with a normal-conducting 0.7-T dipole magnet located 30 cm apart. The measured magnetic field distribution in the TPC volume is consistent with the calculated field map.

Original language	English
Article number	167775
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	1047
DOIs	https://doi.org/10.1016/j.nima.2022.167775
Publication status	Published - 2023 Feb

Bibliographical note

Publisher Copyright:
© 2022 Elsevier B.V.

Keywords

Helmholtz coils
Hyperon spectrometer
Superconducting magnet

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nima.2022.167775

Cite this

Ahn, J. K., Choi, S., Hasegawa, S., Hayakawa, S. H., Hong, J., Ichikawa, Y., Imai, K., Kim, S. H., Makida, Y., Ohhata, H., Sako, H., Sasaki, K., Sato, S., Takahashi, T., Tanida, K., & Yoshida, J. (2023). Superconducting dipole magnet for Hyperon spectrometer. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1047, Article 167775. https://doi.org/10.1016/j.nima.2022.167775

Ahn, JK, Choi, S, Hasegawa, S, Hayakawa, SH, Hong, J, Ichikawa, Y, Imai, K, Kim, SH, Makida, Y, Ohhata, H, Sako, H, Sasaki, K, Sato, S, Takahashi, T, Tanida, K & Yoshida, J 2023, 'Superconducting dipole magnet for Hyperon spectrometer', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 1047, 167775. https://doi.org/10.1016/j.nima.2022.167775

@article{0225f794fd9a4fb29e209d34fc2186cd,

title = "Superconducting dipole magnet for Hyperon spectrometer",

abstract = "We have constructed a conduction-cooled superconducting dipole magnet for the Hyperon spectrometer at Japan Proton Accelerator Research Complex (J-PARC). The magnet is a Helmholtz-type dipole magnet with two circular coils with a radius of 500 mm separated by 500 mm. It provides a uniform magnetic field of 1.0 T or higher in a volume of ϕ600 mm × 600 mm, covering the drift region of a time projection chamber (TPC). Owing to the target location inside the TPC, the Hyperon spectrometer has a broad angular coverage with a nearly 2π solid angle. We have successfully excited the magnet up to 1.3 T. At 1.0 T, we operated it stably for more than 1 week in single-magnet configuration and double-magnet configuration with a normal-conducting 0.7-T dipole magnet located 30 cm apart. The measured magnetic field distribution in the TPC volume is consistent with the calculated field map.",

keywords = "Helmholtz coils, Hyperon spectrometer, Superconducting magnet",

author = "Ahn, \{J. K.\} and S. Choi and S. Hasegawa and Hayakawa, \{S. H.\} and J. Hong and Y. Ichikawa and K. Imai and Kim, \{S. H.\} and Y. Makida and H. Ohhata and H. Sako and K. Sasaki and S. Sato and T. Takahashi and K. Tanida and J. Yoshida",

note = "Publisher Copyright: {\textcopyright} 2022 Elsevier B.V.",

year = "2023",

month = feb,

doi = "10.1016/j.nima.2022.167775",

language = "English",

volume = "1047",

journal = "Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",

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publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Superconducting dipole magnet for Hyperon spectrometer

AU - Ahn, J. K.

AU - Choi, S.

AU - Hasegawa, S.

AU - Hayakawa, S. H.

AU - Hong, J.

AU - Ichikawa, Y.

AU - Imai, K.

AU - Kim, S. H.

AU - Makida, Y.

AU - Ohhata, H.

AU - Sako, H.

AU - Sasaki, K.

AU - Sato, S.

AU - Takahashi, T.

AU - Tanida, K.

AU - Yoshida, J.

PY - 2023/2

Y1 - 2023/2

N2 - We have constructed a conduction-cooled superconducting dipole magnet for the Hyperon spectrometer at Japan Proton Accelerator Research Complex (J-PARC). The magnet is a Helmholtz-type dipole magnet with two circular coils with a radius of 500 mm separated by 500 mm. It provides a uniform magnetic field of 1.0 T or higher in a volume of ϕ600 mm × 600 mm, covering the drift region of a time projection chamber (TPC). Owing to the target location inside the TPC, the Hyperon spectrometer has a broad angular coverage with a nearly 2π solid angle. We have successfully excited the magnet up to 1.3 T. At 1.0 T, we operated it stably for more than 1 week in single-magnet configuration and double-magnet configuration with a normal-conducting 0.7-T dipole magnet located 30 cm apart. The measured magnetic field distribution in the TPC volume is consistent with the calculated field map.

AB - We have constructed a conduction-cooled superconducting dipole magnet for the Hyperon spectrometer at Japan Proton Accelerator Research Complex (J-PARC). The magnet is a Helmholtz-type dipole magnet with two circular coils with a radius of 500 mm separated by 500 mm. It provides a uniform magnetic field of 1.0 T or higher in a volume of ϕ600 mm × 600 mm, covering the drift region of a time projection chamber (TPC). Owing to the target location inside the TPC, the Hyperon spectrometer has a broad angular coverage with a nearly 2π solid angle. We have successfully excited the magnet up to 1.3 T. At 1.0 T, we operated it stably for more than 1 week in single-magnet configuration and double-magnet configuration with a normal-conducting 0.7-T dipole magnet located 30 cm apart. The measured magnetic field distribution in the TPC volume is consistent with the calculated field map.

KW - Helmholtz coils

KW - Hyperon spectrometer

KW - Superconducting magnet

UR - https://www.scopus.com/pages/publications/85145555806

U2 - 10.1016/j.nima.2022.167775

DO - 10.1016/j.nima.2022.167775

M3 - Article

AN - SCOPUS:85145555806

SN - 0168-9002

VL - 1047

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

M1 - 167775

ER -

Superconducting dipole magnet for Hyperon spectrometer

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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