The BESS-polar ultra-thin superconducting solenoid magnet and its operational characteristics during long-duration scientific ballooning over antarctica

Yasuhiro Makida, Akira Yamamoto, Koji Yoshimura, Ken Ichi Tanaka, Ju N.Ichi Suzuki, Shinya Matsuda, Masata Hasegawa, Atsushi Horikoshi, Ryoko Shinoda, Kenichi Sakai, Shoichi Mizumaki, Reiko Orito, Yousuke Matsukawa, Akira Kusumoto, John W. Mitchell, Robert E. Streitmatter, Thomas Hams, Makoto Sasaki, Neeharika Thakur