Study of >100 GeV electrons with BETS detector using a long duration balloon flight in Antarctica

Shoji Torii; K. Yoshida; T. Tamura; H. Kitamura; T. Yamagami; N. Tateyama; K. Anraku; T. Yamashita; J. Chang; J. Nishimura; Y. Saito; S. Ohta; M. Namiki; Y. Matsuzaka; I. Iijima; H. Yamagishi; A. Kadokura; K. Kasahara; S. Ogawa; M. Fujii; Y. Tasaki; H. Kaiho; M. Shibata; Y. Katayose; T. Inoue; K. Mizutani; Y. Hirai; H. Murakami; T. Kobayashi; Y. Komori; T. Yuda

doi:10.1016/j.asr.2005.06.042

Study of >100 GeV electrons with BETS detector using a long duration balloon flight in Antarctica

Shoji Torii, K. Yoshida^*, T. Tamura, H. Kitamura, T. Yamagami, N. Tateyama, K. Anraku, T. Yamashita, J. Chang, J. Nishimura, Y. Saito, S. Ohta, M. Namiki, Y. Matsuzaka, I. Iijima, H. Yamagishi, A. Kadokura, K. Kasahara, S. Ogawa, M. FujiiY. Tasaki, H. Kaiho, M. Shibata, Y. Katayose, T. Inoue, K. Mizutani, Y. Hirai, H. Murakami, T. Kobayashi, Y. Komori, T. Yuda

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

We have observed cosmic-ray electrons from 10 to 1000 GeV by a long duration balloon flight using Polar Patrol Balloon (PPB) in Antarctica. The observation was carried out for 13 days at an altitude of 35 km in January 2004. The detector is an imaging calorimeter composed of scintillating-fiber belts and plastic scintillators inserted between lead plates. The geometrical factor of detector is about 600 cm²sr and the total thickness of lead absorber is 9 radiation lengths. The performance of the detector has been confirmed by the CERN-SPS beam test and also investigated by Monte-Carlo simulations. New telemetry system using a commercial satellite of iridium, power supply by solar batteries, and automatic level control using CPU have successfully been developed and operated during the flight. We have collected 5.7 × 10³ events over 100 GeV including nearly 100 candidates of primary electrons.

Original language	English
Pages (from-to)	2095-2102
Number of pages	8
Journal	Advances in Space Research
Volume	37
Issue number	11
DOIs	https://doi.org/10.1016/j.asr.2005.06.042
Publication status	Published - 2006
Externally published	Yes

Keywords

Cosmic-ray electrons
Cosmic-ray origin
Long duration balloons

ASJC Scopus subject areas

Space and Planetary Science
Astronomy and Astrophysics

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Torii, S., Yoshida, K., Tamura, T., Kitamura, H., Yamagami, T., Tateyama, N., Anraku, K., Yamashita, T., Chang, J., Nishimura, J., Saito, Y., Ohta, S., Namiki, M., Matsuzaka, Y., Iijima, I., Yamagishi, H., Kadokura, A., Kasahara, K., Ogawa, S., ... Yuda, T. (2006). Study of >100 GeV electrons with BETS detector using a long duration balloon flight in Antarctica. Advances in Space Research, 37(11), 2095-2102. https://doi.org/10.1016/j.asr.2005.06.042

Torii, S, Yoshida, K, Tamura, T, Kitamura, H, Yamagami, T, Tateyama, N, Anraku, K, Yamashita, T, Chang, J, Nishimura, J, Saito, Y, Ohta, S, Namiki, M, Matsuzaka, Y, Iijima, I, Yamagishi, H, Kadokura, A, Kasahara, K, Ogawa, S, Fujii, M, Tasaki, Y, Kaiho, H, Shibata, M, Katayose, Y, Inoue, T, Mizutani, K, Hirai, Y, Murakami, H, Kobayashi, T, Komori, Y & Yuda, T 2006, 'Study of >100 GeV electrons with BETS detector using a long duration balloon flight in Antarctica', Advances in Space Research, vol. 37, no. 11, pp. 2095-2102. https://doi.org/10.1016/j.asr.2005.06.042

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title = "Study of >100 GeV electrons with BETS detector using a long duration balloon flight in Antarctica",

abstract = "We have observed cosmic-ray electrons from 10 to 1000 GeV by a long duration balloon flight using Polar Patrol Balloon (PPB) in Antarctica. The observation was carried out for 13 days at an altitude of 35 km in January 2004. The detector is an imaging calorimeter composed of scintillating-fiber belts and plastic scintillators inserted between lead plates. The geometrical factor of detector is about 600 cm2sr and the total thickness of lead absorber is 9 radiation lengths. The performance of the detector has been confirmed by the CERN-SPS beam test and also investigated by Monte-Carlo simulations. New telemetry system using a commercial satellite of iridium, power supply by solar batteries, and automatic level control using CPU have successfully been developed and operated during the flight. We have collected 5.7 × 103 events over 100 GeV including nearly 100 candidates of primary electrons.",

keywords = "Cosmic-ray electrons, Cosmic-ray origin, Long duration balloons",

author = "Shoji Torii and K. Yoshida and T. Tamura and H. Kitamura and T. Yamagami and N. Tateyama and K. Anraku and T. Yamashita and J. Chang and J. Nishimura and Y. Saito and S. Ohta and M. Namiki and Y. Matsuzaka and I. Iijima and H. Yamagishi and A. Kadokura and K. Kasahara and S. Ogawa and M. Fujii and Y. Tasaki and H. Kaiho and M. Shibata and Y. Katayose and T. Inoue and K. Mizutani and Y. Hirai and H. Murakami and T. Kobayashi and Y. Komori and T. Yuda",

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T1 - Study of >100 GeV electrons with BETS detector using a long duration balloon flight in Antarctica

AU - Torii, Shoji

AU - Yoshida, K.

AU - Tamura, T.

AU - Kitamura, H.

AU - Yamagami, T.

AU - Tateyama, N.

AU - Anraku, K.

AU - Yamashita, T.

AU - Chang, J.

AU - Nishimura, J.

AU - Saito, Y.

AU - Ohta, S.

AU - Namiki, M.

AU - Matsuzaka, Y.

AU - Iijima, I.

AU - Yamagishi, H.

AU - Kadokura, A.

AU - Kasahara, K.

AU - Ogawa, S.

AU - Fujii, M.

AU - Tasaki, Y.

AU - Kaiho, H.

AU - Shibata, M.

AU - Katayose, Y.

AU - Inoue, T.

AU - Mizutani, K.

AU - Hirai, Y.

AU - Murakami, H.

AU - Kobayashi, T.

AU - Komori, Y.

AU - Yuda, T.

PY - 2006

Y1 - 2006

N2 - We have observed cosmic-ray electrons from 10 to 1000 GeV by a long duration balloon flight using Polar Patrol Balloon (PPB) in Antarctica. The observation was carried out for 13 days at an altitude of 35 km in January 2004. The detector is an imaging calorimeter composed of scintillating-fiber belts and plastic scintillators inserted between lead plates. The geometrical factor of detector is about 600 cm2sr and the total thickness of lead absorber is 9 radiation lengths. The performance of the detector has been confirmed by the CERN-SPS beam test and also investigated by Monte-Carlo simulations. New telemetry system using a commercial satellite of iridium, power supply by solar batteries, and automatic level control using CPU have successfully been developed and operated during the flight. We have collected 5.7 × 103 events over 100 GeV including nearly 100 candidates of primary electrons.

AB - We have observed cosmic-ray electrons from 10 to 1000 GeV by a long duration balloon flight using Polar Patrol Balloon (PPB) in Antarctica. The observation was carried out for 13 days at an altitude of 35 km in January 2004. The detector is an imaging calorimeter composed of scintillating-fiber belts and plastic scintillators inserted between lead plates. The geometrical factor of detector is about 600 cm2sr and the total thickness of lead absorber is 9 radiation lengths. The performance of the detector has been confirmed by the CERN-SPS beam test and also investigated by Monte-Carlo simulations. New telemetry system using a commercial satellite of iridium, power supply by solar batteries, and automatic level control using CPU have successfully been developed and operated during the flight. We have collected 5.7 × 103 events over 100 GeV including nearly 100 candidates of primary electrons.

KW - Cosmic-ray electrons

KW - Cosmic-ray origin

KW - Long duration balloons

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JO - Advances in Space Research

JF - Advances in Space Research

IS - 11

ER -

Study of >100 GeV electrons with BETS detector using a long duration balloon flight in Antarctica

Abstract

Keywords

ASJC Scopus subject areas

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