A study on the e/mu identification capability of a water Cerenkov detector and the atmospheric neutrino problem

被引：47

作者：

Kasuga, S

Hayakawa, T

Joukou, S

Kajita, T

Koshio, Y

Kumita, T

Matsumoto, K

Nakahata, M

Sakai, A

Shiozawa, M

Suzuki, Y

Totsuka, Y

Hirata, KS

Kihara, K

Oyama, Y

Sasaki, O

Suzuki, AT

Ishizuka, T

Miyano, K

Okazawa, H

Nishikawa, K

Fujita, K

Koga, M

Suzuki, A

机构：

[1] NATL LAB HIGH ENERGY PHYS,KEK,TSUKUBA,IBARAKI 305,JAPAN

[2] KOBE UNIV,DEPT PHYS,KOBE,HYOGO 657,JAPAN

[3] NIIGATA UNIV,NIIGATA 95021,JAPAN

[4] UNIV TOKYO,INST NUCL STUDY,TANASHI,TOKYO 188,JAPAN

[5] TOHOKU UNIV,FAC SCI,SENDAI,MIYAGI 980,JAPAN

来源：

PHYSICS LETTERS B | 1996年 / 374卷 / 1-3期

关键词：

D O I：

10.1016/0370-2693(96)00138-4

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We carried out an experimental test of various characteristics of a water Cerenkov detector, especially the particle identification capability, using the 12-GeV proton synchrotron at KEK, Japan. The detector characteristics so far studied are well reproduced by the Monte Carlo simulation. Especially it is able to identify electrons and muons with mis-identification probabilities less than a few percent in the momentum range of 250-1000 MeV/c except the particle positions in the extreme edge of the detector volume. Based on the present results, the deficiency of mu-neutrinos in the atmospheric neutrinos is not an artifact caused by some peculiar detector characteristics.

引用

页码：238 / 242

页数：5

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