Atmospheric gamma-ray observation with the BETS detector for calibrating atmospheric neutrino flux calculations

被引：20

作者：

Kasahara, K ^{[1
]}

Mochizuki, E

Torii, S

Tamura, T

Tateyama, N

Yoshida, K

Yamagami, T

Saito, Y

Nishimura, J

Murakami, H

Kobayashi, T

Komori, Y

Honda, M

Ohuchi, T

Midorikawa, S

Yuda, T

机构：

[1] Shibaura Inst Technol, Saitama, Japan

[2] Kanagawa Univ, Fac Engn, Yokohama, Kanagawa, Japan

[3] Inst Space & Astronaut Sci, Sagamihara, Kanagawa 229, Japan

[4] Rikkyo Univ, Dept Phys, Toshima Ku, Tokyo, Japan

[5] Aoyama Gakuin Univ, Dept Phys, Setagaya Ku, Tokyo 150, Japan

[6] Kanagawa Prefectural Coll, Kanagawa, Japan

[7] Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba, Japan

[8] Aomori Univ, Dept Informat, Aomori, Japan

[9] Nagoya Univ, Solar Terr Environm Lab, Aichi, Japan

来源：

PHYSICAL REVIEW D | 2002年 / 66卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.66.052004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We observed atmospheric gamma rays around 10 GeV at balloon altitudes (15-25 km) and at a mountain (2770 m a.s.l). The observed results were compared with Monte Carlo calculations to find that an interaction model (Lund FRITIOF1.6) used in an old neutrino flux calculation was not good enough for describing the observed values. Instead, we found that two other nuclear interaction models, Lund FRITIOF7.02 and DPMJET3.03, gave much better agreement with the observations. Our data will serve for examining nuclear interaction models and for deriving a reliable absolute atmospheric neutrino flux in the GeV region.

引用

页数：9

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