Superconducting dipole magnet for Hyperon spectrometer

被引：1

作者：

Ahn, J. K. ^{[1
]}

Choi, S. ^{[2
]}

Hasegawa, S. ^{[3
]}

Hayakawa, S. H. ^{[3
,7
]}

Hong, J. ^{[4
]}

Ichikawa, Y. ^{[3
]}

Imai, K. ^{[3
]}

Kim, S. H. ^{[1
,8
]}

Makida, Y. ^{[5
]}

Ohhata, H. ^{[6
]}

Sako, H. ^{[3
]}

Sasaki, K. ^{[6
]}

Sato, S. ^{[3
]}

Takahashi, T. ^{[3
,5
]}

Tanida, K.

Yoshida, J. ^{[3
,9
]}

机构：

[1] Korea Univ, Dept Phys, Seoul 02841, South Korea

[2] Kangwon Natl Univ, Dept Elect Engn, Samcheok 25913, South Korea

[3] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai 3191195, Japan

[4] Korea Basic Sci Inst, Busan Ctr, Busan 46742, South Korea

[5] Inst Particle & Nucl Studies IPNS, High Energy Accelerator Res Org KEK, Tsukuba 3050801, Japan

[6] High Energy Accelerator Res Org KEK, Cryogen Sci Ctr, Tsukuba 3050801, Japan

[7] Tohoku Univ, Dept Phys, Sendai 9808578, Japan

[8] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai 3191195, Japan

[9] Tohoku Univ, Int Ctr Synchrotron Radiat Innovat Smart, Sendai 9808577, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2023年 / 1047卷

基金：

新加坡国家研究基金会;

关键词：

Superconducting magnet; Helmholtz coils; Hyperon spectrometer; H-DIBARYON; SEARCH;

D O I：

10.1016/j.nima.2022.167775

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

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 phi 600 mm x 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 2 pi 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.

引用

页数：13

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