Cosmic ray nuclei detection in the balloon borne nuclear emulsion gamma ray telescope flight in Australia (GRAINE 2015)

Atsushi Iyono; Saya Yamamoto; Shigeki Aoki; Toshio Hara; Kenji Kuretsubo; Toshitsugu Marushima; Haruka Matsumoto; Fukashi Mizutani; Keita Ozaki; Emi Shibayama; Atsumu Suzuki; Satoru Takahashi; Yurie Tateishi; Misato Yabu; Kyohei Yamada; Koichi Kodama; Kaname Hamada; Hiroaki Kawahara; Ryosuke Komatani; Masahiro Komatsu; Motoaki Miyanishi; Misaki Morishita; Kunihiro Morishima; Mitsuhiro Nakamura; Naotaka Naganawa; Toshiyuki Nanano; Akira Nishio; Kimio Niwa; Naoto Otsuka; Hiroki Rokujo; Osamu Sato; Masahiro Yoshimoto

doi:10.1051/epjconf/201714506003

All issues

Volume 145 (2017)

EPJ Web Conf., 145 (2017) 06003

Abstract

Open Access

Issue		EPJ Web Conf. Volume 145, 2017 ISVHECRI 2016 – XIX International Symposium on Very High Energy Cosmic Ray Interactions


Article Number		06003
Number of page(s)		5
Section		Balloon and Space Borne Experiments
DOI		https://doi.org/10.1051/epjconf/201714506003
Published online		26 June 2017

EPJ Web of Conferences 145, 06003 (2017)
https://doi.org/10.1051/epjconf/201714506003

Cosmic ray nuclei detection in the balloon borne nuclear emulsion gamma ray telescope flight in Australia (GRAINE 2015)

Atsushi Iyono¹^a, Saya Yamamoto¹^b, Shigeki Aoki², Toshio Hara², Kenji Kuretsubo², Toshitsugu Marushima², Haruka Matsumoto², Fukashi Mizutani², Keita Ozaki², Emi Shibayama², Atsumu Suzuki², Satoru Takahashi², Yurie Tateishi², Misato Yabu², Kyohei Yamada², Koichi Kodama³, Kaname Hamada⁴, Hiroaki Kawahara⁵, Ryosuke Komatani⁵, Masahiro Komatsu⁵, Motoaki Miyanishi⁵, Misaki Morishita⁵, Kunihiro Morishima⁵, Mitsuhiro Nakamura⁵, Naotaka Naganawa⁵, Toshiyuki Nanano⁵, Akira Nishio⁵, Kimio Niwa⁵, Naoto Otsuka⁵, Hiroki Rokujo⁵, Osamu Sato⁵ and Masahiro Yoshimoto⁵

¹ Dept. of Fundamental Science, Faculty of Science, Okayama University of Science, Okayama 700-0005, Japan
² Faculty of Human Development, Kobe University, Kobe-city 657-8501, Japan
³ Aichi University of Education, Kariya-city 448-8542, Japan
⁴ JAXA/ISAS, Sagamihara-city 252-5210, Japan
⁵ Dept of Physics, Faculty of Science, Nagoya 464-8602, Japan

^a e-mail: iyono@das.ous.ac.jp
^b e-mail: S15SM08SY@ous.jp

Published online: 26 June 2017

Abstract

Nuclear emulsion plates for studying elementary particle physics as well as cosmic ray physics are very powerful tracking tools with sub-micron spatial resolutions of charged particle trajectories. Even if gamma rays have to be detected, electron-positron pair tracks can provide precise information to reconstruct their direction and energy with high accuracy. Recent developments of emulsion analysis technology can digitally handle almost all tracks recorded in emulsion plates by using the Hyper Track Selector of the OPERA group at NAGOYA University. On the other hand, the potential of time resolutions have been equipped by emulsion multilayer shifter technology in the GRAINE (Gamma Ray Astro-Imager with Nuclear Emulsion) experiments, the aims of which are to detect cosmic gamma rays such as the Vela pulsar stellar object by precise emulsion tracking analysis and to study cosmic ray particle interactions and chemical compositions. In this paper, we focus on the subject of cosmic ray nuclei detection in the GRAINE balloon flight experiments launched at Alice Springs, Australia in May 2015.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).

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