I
I. Ohta
Researcher at Utsunomiya University
Publications - 10
Citations - 306
I. Ohta is an academic researcher from Utsunomiya University. The author has contributed to research in topics: Air shower & Spectral index. The author has an hindex of 7, co-authored 10 publications receiving 293 citations.
Papers
More filters
Journal ArticleDOI
Large-Scale Sidereal Anisotropy of Galactic Cosmic-Ray Intensity Observed by the Tibet Air Shower Array
M. Amenomori,S. Ayabe,S. W. Cui,Danzengluobu,L. K. Ding,X. H. Ding,Cunfeng Feng,Zhenyong Feng,X. Y. Gao,Q. X. Geng,H. W. Guo,H. H. He,M. He,K. Hibino,N. Hotta,Haibing Hu,Hongbo Hu,Jing Huang,Q. Huang,H. Y. Jia,F. Kajino,Katsuaki Kasahara,Y. Katayose,Chihiro Kato,Kazumasa Kawata,Labaciren,G. M. Le,J. Y. Li,Hong-peng Lu,S. L. Lu,X. R. Meng,K. Mizutani,J. Mu,Kazuoki Munakata,A. Nagai,H. Nanjo,Masaki Nishizawa,M. Ohnishi,I. Ohta,H. Onuma,T. Ouchi,Shunsuke Ozawa,Jieru Ren,To. Saito,M. Sakata,T. Sasaki,M. Shibata,A. Shiomi,T. Shirai,H. Sugimoto,Masato Takita,Y. H. Tan,N. Tateyama,Shoji Torii,Harufumi Tsuchiya,S. Udo,T. Utsugi,B. S. Wang,Huanyu Wang,X. Wang,Yu Wang,Hong Wu,L. Xue,Y. Yamamoto,C. T. Yan,X. C. Yang,S. Yasue,Z. H. Ye,G. C. Yu,A. F. Yuan,T. Yuda,HongMei Zhang,J. L. Zhang,N. J. Zhang,Xuan Zhang,Y. Zhang,Yi Zhang,Zhaxisangzhu,X. X. Zhou +78 more
TL;DR: In this paper, the sidereal anisotropy of cosmic ray intensity in the multi-TeV region observed with the Tibet-III air shower array during the period from 1999 through 2003 was analyzed.
Journal ArticleDOI
Multi-TeV Gamma-Ray Flares from Markarian 421 in 2000 and 2001 Observed with the Tibet Air Shower Array
M. Amenomori,S. Ayabe,S. W. Cui,Danzengluobu,L. K. Ding,X. H. Ding,Cunfeng Feng,Zhenyong Feng,X. Y. Gao,Q. X. Geng,H. W. Guo,H. H. He,M. He,K. Hibino,N. Hotta,Haibing Hu,Hongbo Hu,Jing Huang,Q. Huang,H. Y. Jia,F. Kajino,Katsuaki Kasahara,Y. Katayose,K. Kawata,Labaciren,G. M. Le,J. Y. Li,Hong-peng Lu,S. L. Lu,X. R. Meng,K. Mizutani,J. Mu,H. Nanjo,Masaki Nishizawa,M. Ohnishi,I. Ohta,T. Ouchi,Shunsuke Ozawa,Jieru Ren,To. Saito,M. Sakata,T. Sasaki,M. Shibata,A. Shiomi,T. Shirai,H. Sugimoto,K. Taira,Masato Takita,Y. H. Tan,N. Tateyama,Shoji Torii,Harufumi Tsuchiya,S. Udo,T. Utsugi,B. S. Wang,Huanyu Wang,X. Wang,Y. G. Wang,L. Xue,Y. Yamamoto,X. C. Yang,Z. H. Ye,G. C. Yu,A. F. Yuan,T. Yuda,T. Yuda,HongMei Zhang,J. L. Zhang,N. J. Zhang,X. Y. Zhang,Y. Zhang,Zhaxisangzhu,X. X. Zhou +72 more
TL;DR: In this paper, a power-law energy spectrum for γ-rays from this source is assumed, the spectral index is calculated to be -3.24 ± 0.69 at the most active phase in 2001.
Journal ArticleDOI
Observation of multi TeV diffuse gamma-rays from the galactic plane with the tibet air shower array
M. Amenomori,S. Ayabe,S. H. Cui,L. K. Ding,X. H. Ding,C. F. Feng,Zhenyong Feng,Y. Fu,X. Y. Gao,Q. X. Geng,H. W. Guo,M. He,K. Hibino,N. Hotta,Jing Huang,Q. Huang,X. Huo,K. Izu,H. Y. Jia,F. Kajino,Katsuaki Kasahara,Y. Katayose,K. Kawata,Labaciren,G. M. Le,J. Y. Li,Hong-peng Lu,S. L. Lu,G. X. Luo,X. R. Meng,K. Mizutani,J. Mu,H. Nanjo,Masaki Nishizawa,M. Ohnishi,I. Ohta,H. Ooura,T. Ouchi,Shunsuke Ozawa,Jieru Ren,To. Saito,M. Sakata,T. Sasaki,M. Shibata,A. Shiomi,T. Shirai,H. Sugimoto,K. Taira,Masato Takita,Y. H. Tan,N. Tateyama,Shoji Torii,Harufumi Tsuchiya,S. Udo,T. Utsugi,C. R. Wang,Huanyu Wang,Xiaoqun Wang,X. W. Xu,L. Xue,X. C. Yang,Y. Yamamoto,Z. H. Ye,G. C. Yu,A. F. Yuan,T. Yuda,HongMei Zhang,J. L. Zhang,Ning Zhang,X. Y. Zhang,Zhaxiciren,Zhaxisangzhu +71 more
TL;DR: In this article, the authors used data from the Tibet III air shower array (with energies around 3 TeV) and the Tibet II array ( with energies around 10 TeV), to search for diffuse gamma rays from the Galactic plane.
Journal ArticleDOI
Measurement of air shower cores to study the cosmic ray composition in the knee energy region
M. Amenomori,S. Ayabe,Caidong,Danzengluobu,L. K. Ding,Z. Y. Feng,Y. Fu,H. W. Guo,M. He,K. Hibino,N. Hotta,Q. Huang,A. X. Huo,K. Izu,H. Y. Jia,F. Kajino,Katsuaki Kasahara,Y. Katayose,Labaciren,J. Y. Li,Hsiao-Chi Lu,S. L. Lu,G. X. Luo,X. R. Meng,K.Mizutani K.Mizutani,J. Mu,H. Nanjo,Masaki Nishizawa,M. Ohnishi,I. Ohta,T. Ouchi,Z. R. Peng,Jieru Ren,To. Saito,M. Sakata,T. Sasaki,Z. Z. Shi,M. Shibata,A. Shiomi,T. Shirai,H. Sugimoto,K. Taira,Y. H. Tan,N. Tateyama,S. Torii,T. Utsugi,C. R. Wang,Huaguang Wang,X. W. Xu,Y. Yamamoto,G. C. Yu,A. F. Yuan,T. Yuda,C. S. Zhang,H. M. Zhang,Jia Zhang,N. J. Zhang,X. Y. Zhang,Zhaxiciren,Zhaxisangzhu +59 more
TL;DR: In this article, a hybrid experiment consisting of an emulsion chamber and a burst detector array and the Tibet-II air shower array has been operated at Yangbajing (4300 m above sea level) in Tibet.
Journal ArticleDOI
A study of the shadowing of galactic cosmic rays by the sun in a quiet phase of solar activity with the tibet air shower array
M. Amenomori,S. Ayabe,Caidong,Danzengluobu,L. K. Ding,Z. Y. Feng,Y. Fu,H. W. Guo,M. He,K. Hibino,N. Hotta,Q. Huang,A. X. Huo,K. Izu,H. Y. Jia,F. Kajino,Katsuaki Kasahara,Y. Katayose,Labaciren,J. Y. Li,Hsiao-Chi Lu,S. L. Lu,G. X. Luo,X. R. Meng,K. Mizutani,J. Mu,H. Nanjo,Masaki Nishizawa,M. Ohnishi,I. Ohta,T. Ouchi,Z. R. Peng,Jieru Ren,To. Saito,M. Sakata,T. Sasaki,Z. Z. Shi,M. Shibata,A. Shiomi,T. Shirai,Y. Suga,H. Sugimoto,K. Taira,Y. H. Tan,N. Tateyama,Shoji Torii,T. Utsugi,C. R. Wang,Huaguang Wang,X. W. Xu,Y. Yamamoto,G. C. Yu,A. F. Yuan,T. Yuda,T. Yuda,C. S. Zhang,H. M. Zhang,Jia Zhang,N. J. Zhang,X. Y. Zhang,Zhaxiciren,Zhaxisangzhu +61 more
TL;DR: In this paper, the authors examined the shadowing of cosmic rays by the Sun in this quiet phase of the solar cycle and found that the Sun's shadow was just in the apparent direction of the Sun, though it was observed at the position considerably away from the Sun to the southwest.