Ballooning of a Thin Superconducting Solenoid for Particle Astrophysics

Yasuhiro Makida, Kazuaki Anraku, Jun Suzuki, Akira Yamamoto, Tetsuya Yoshida, Kouji Yoshimura, Ikuo Ueda, Takayuki Saeki, Hiroyuki Matsunaga, Syuji Orito, Mitsuaki Nozaki, Masatoshi Imori, Masakazu Motoki, Nobuyuki Yajima, Donald L. Righter

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


A thin superconducting solenoid was launched by using a large balloon up to an altitude of 36.5 km in Northern Canada in the summer of 1993 as a core facility for the cosmic ray spectrometer, BESS. The magnet was excited up to 1.0 T in persistent current mode on the ground and was launched being attended with 2.7 G shocks. After 17 hours successful flight, it was discharged on the sky and made a mild descending and landing by using a parachute for recovery. The magnet was safely operated without ploblems during flight in 1993 and contributed to an second observation in the summer of 1994.

Original languageEnglish
Pages (from-to)658-661
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Issue number2
Publication statusPublished - 1995 Jun


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