A halo event observed by the hybrid experiment at Mt. Chacaltaya

被引：0
|
作者：
Aoki, H
Hashimoto, K
Honda, K
Inoue, N
Kawasumi, N
Martinic, N
Navia, C
Ochi, N
Ohmori, N
Ohsawa, A
Oliviera, C
Shinozaki, K
Tamada, M
Ticona, R
Tsushima, I
机构：
[1] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[2] Soka Univ, Fac Sci, Hachioji, Tokyo 1928577, Japan
[3] Yamanashi Univ, Fac Educ, Kofu, Yamanashi 4008510, Japan
[4] Yamanashi Univ, Fac Engn, Kofu, Yamanashi 4008511, Japan
[5] Saitama Univ, Fac Sci, Urawa, Saitama 3888570, Japan
[6] Univ Mayor San Andres, Inst Invest Fis, La Paz, Bolivia
[7] Univ Fed Fluminense, Dept Fis, Niteroi, RJ, Brazil
[8] Yonago Natl Coll Technol, Yonago, Tottori 6838502, Japan
[9] Kochi Univ, Fac Sci, Kochi 7808520, Japan
[10] Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan
[11] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
[12] Kinki Univ, Fac Sci & Engn, Higashiosaka, Osaka 5778502, Japan
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2006年 / 151卷
关键词：
D O I：
10.1016/j.nuclphysbps.2005.07.069
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
An experiment using an air shower array, a hadron calorimeter and an emulsion chamber is under way at Mt. Chacaltaya (5200 m, Bolivia). One of the highest energy events, having a halo (similar to 1 cm) in the centre of the family together with many gamma-ray and hadron showers, is analyzed in detail. Available data for the event are on the halo (E-halo = 750 TeV) and on the high energy particles of electron/photon components by the emulsion chamber, and on the characteristics of the accompanied air shower (Ne = 7.0 x 10(7), s = 0.59) by the air shower array. The diagram of the air shower size and the total energy of electron/photon components in the family, which shows discrepancy between the experimental data and simulated events (QCSJET code for nuclear collisions) in our previous reports, is discussed including the present event.
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收藏
页码：223 / 226
页数：4
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