The GAPS Collaboration

T. Aramaki¹ R. Bird² M. Boezio³ S.E. Boggs⁴ V. Bonvicini³ D. Campana⁵ W.W. Craig⁶ E. Everson² L. Fabris⁷ S. Feldman² H. Fuke⁸ F. Gahbauer⁹ I. Garcia² C. Gerrity¹⁰ C.J. Hailey⁹ T. Hayashi² C. Kato¹¹ A. Kawachi¹² S. Kobayashi¹² M. Kozai⁸ A. Lenni^3,13 A. Lowell⁴ M. Manghisoni^14,15 N. Marcelli^16,17 M. Martucci^16,17 S.I. Mognet¹⁸ K. Munakata¹¹ R. Munini³ Y. Nakagami¹⁹ S. Okazaki⁸ J. Olson²⁰ R.A. Ong² G. Osteria⁵ K. Perez²¹ S. Quinn² V. Re^14,15 E. Riceputi^14,15 B. Roach²¹ F. Rogers²¹ J.L. Ryan² N. Saffold⁹ M. Saijo⁸ V. Scotti^5,22 Y. Shimizu²³ M. Sonzogni^14,15 R. Sparvoli^16,17 A. Stoessl¹⁰ K. Tokunaga⁸ E. Vannuccini²⁴ P. von Doetinchem¹⁰ T. Wada¹⁹ M. Xiao²¹ A. Yoshida¹⁹ T. Yoshida⁸ G. Zampa³ J. Zweerink²

¹Stanford Linear Accelerator Center, Menlo Park, CA 94025, USA
²University of California, Los Angeles, Los Angeles, CA 90095, USA
³INFN, Sezione di Trieste, I-34149 Trieste, Italy
⁴University of California, San Diego, La Jolla, CA 90037, USA
⁵INFN, Sezione di Napoli, I-80126 Naples, Italy
⁶Lawrence Livermore National Laboratory, Livermore, CA 94550, USA
⁷Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
⁸Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS/JAXA), Sagamihara, Kanagawa 252-5210, Japan
⁹Columbia University, New York, NY 10027, USA
¹⁰University of Hawaii at Manoa, Honolulu, HI 96822 USA
¹¹Shinshu University, Matsumoto, Nagano 390-8621, Japan
¹²Tokai University, Hiratsuka, Kanagawa 259-1292, Japan
¹³Università di Trieste, I-34127 Trieste, Italy
¹⁴INFN, Sezione di Pavia, I-27100 Pavia, Italy
¹⁵Università di Bergamo, I-24044 Dalmine (BG), Italy
¹⁶INFN, Sezione di Rome "Tor Vergata", I-00133 Rome, Italy
¹⁷Università di Roma "Tor Vergata", I-00133 Rome, Italy
¹⁸Pennsylvania State University, University Park, PA 16802 USA
¹⁹Aoyama Gakuin University, Sagamihara, Kanagawa 252-5258, Japan
²⁰Heliospace Corporation, Berkeley, CA 94710, USA
²¹Massachusetts Institute of Technology, Cambridge, MA 02139, USA
²²Università di Napoli "Federico II", I-80138 Naples, Italy
²³Kanagawa University, Yokohama, Kanagawa 221-8686, Japan
²⁴INFN, Sezione di Firenze, I-50019 Sesto Fiorentino, Florence, Italy

Acknowledgments

This work is supported in the U.S. by NASA APRA grants (NNX17AB44G, NNX17AB45G, NNX17AB46G, and NNX17AB47G), in Japan by JAXA/ISAS Small Science Program FY2017, and in Italy by Istituto Nazionale di Fisica Nucleare (INFN) and by the Italian Space Agency through the ASI INFN agreement n. 2018-28-HH.0: "Partecipazione italiana al GAPS - General AntiParticle Spectrometer". R.A. Ong receives support from the UCLA Division of Physical Sciences. K. Perez receives support from the Heising-Simons Foundation and Alfred P. Sloan Foundation. F. Rogers is supported through the National Science Foundation Graduate Research Fellowship under grant 1122374. P. von Doetinchem receives support from the National Science Foundation under award PHY-1551980. H. Fuke receives support from JSPS KAKENHI grants JP26707015, JP17H01136, and JP19H05198. M. Kozai receives support from JSPS KAKENHI grant JP17K14313. S. Okazaki receives support from JSPS KAKENHI grant JP18K13928. Y. Shimizu receives support from Sumitomo Foundation grant.