The cosmic-ray energy spectrum around the knee measured by the Tibet-III air-shower array

M. Amenomori; S. Ayabe; X. J. Bi; D. Chen; S. W. Cui; Danzengluobu; L. K. Ding; X. H. Ding; C. F. Feng; Zhaoyang Feng; Z. Y. Feng; X. Y. Gao; Q. X. Geng; H. W. Guo; H. H. He; M. He; K. Hibino; N. Hotta; Haibing Hu; H. B. Hu; J. Huang; Q. Huang; H. Y. Jia; F. Kajino; K. Kasahara; Y. Katayose; C. Kato; K. Kawata; Labaciren; G. M. Le; A. F. Li; J. Y. Li; Y. Q. Lou; H. Lu; S. L. Lu; X. R. Meng; K. Mizutani; J. Mu; K. Munakata; A. Nagai; H. Nanjo; M. Nishizawa; M. Ohnishi; I. Ohta; H. Onuma; T. Ouchi; Shunsuke Ozawa; J. R. Ren; T. Saito; T. Y. Saito; M. Sakata; T. K. Sako; T. Sasaki; M. Shibata; A. Shiomi; T. Shirai; H. Sugimoto; M. Takita; Y. H. Tan; N. Tateyama; Shoji Torii; H. Tsuchiya; S. Udo; B. Wang; H. Wang; X. Wang; Y. G. Wang; H. R. Wu; L. Xue; Y. Yamamoto; C. T. Yan; X. C. Yang; S. Yasue; Z. H. Ye; G. C. Yu; A. F. Yuan; T. Yuda; H. M. Zhang; J. L. Zhang; N. J. Zhang; X. Y. Zhang; Y. Zhang; Yi Zhang; Zhaxisangzhu; X. X. Zhou

doi:10.1016/j.nuclphysbps.2007.11.021

The cosmic-ray energy spectrum around the knee measured by the Tibet-III air-shower array

M. Amenomori^*, S. Ayabe, X. J. Bi, D. Chen, S. W. Cui, Danzengluobu, L. K. Ding, X. H. Ding, C. F. Feng, Zhaoyang Feng, Z. Y. Feng, X. Y. Gao, Q. X. Geng, H. W. Guo, H. H. He, M. He, K. Hibino, N. Hotta, Haibing Hu, H. B. HuJ. Huang, Q. Huang, H. Y. Jia, F. Kajino, K. Kasahara, Y. Katayose, C. Kato, K. Kawata, Labaciren, G. M. Le, A. F. Li, J. Y. Li, Y. Q. Lou, H. Lu, S. L. Lu, X. R. Meng, K. Mizutani, J. Mu, K. Munakata, A. Nagai, H. Nanjo, M. Nishizawa, M. Ohnishi, I. Ohta, H. Onuma, T. Ouchi, Shunsuke Ozawa, J. R. Ren, T. Saito, T. Y. Saito, M. Sakata, T. K. Sako, T. Sasaki, M. Shibata, A. Shiomi, T. Shirai, H. Sugimoto, M. Takita, Y. H. Tan, N. Tateyama, Shoji Torii, H. Tsuchiya, S. Udo, B. Wang, H. Wang, X. Wang, Y. G. Wang, H. R. Wu, L. Xue, Y. Yamamoto, C. T. Yan, X. C. Yang, S. Yasue, Z. H. Ye, G. C. Yu, A. F. Yuan, T. Yuda, H. M. Zhang, J. L. Zhang, N. J. Zhang, X. Y. Zhang, Y. Zhang, Yi Zhang, Zhaxisangzhu, X. X. Zhou

^*この研究の対応する著者

研究成果: Article › 査読

3 被引用数 (Scopus)

抄録

We present an updated all-particle energy spectrum using data collected in the period from 2000 November through 2004 October by Tibet III air-shower array. The energy determination of the air showers is made by fitting the lateral density distribution of the shower particles to the modified NKG function which is optimized by simulation calculation using interaction models of QGSJET01c and SIBYLL2.1 taking into account of the detector configurations. It is shown that the model dependence in the energy determination is not significant, being less than 5% in the absolute flux value, and we obtained the cosmic ray energy spectrum in a wide range over 3 decades between 10¹⁴ eV and 10¹⁷ eV, in which the position of the knee is clearly seen at around 4 PeV. The spectral index is - 2.68 ± 0.02 (stat.) below 1PeV, while it is - 3.12 ± 0.01 (stat.) above 4 PeV. The various systematic errors are under study now.

本文言語	English
ページ（範囲）	318-321
ページ数	4
ジャーナル	Nuclear Physics B - Proceedings Supplements
巻	175-176
号	SUPPL.: COMPLETE
DOI	https://doi.org/10.1016/j.nuclphysbps.2007.11.021
出版ステータス	Published - 2008 1月

ASJC Scopus subject areas

核物理学および高エネルギー物理学

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10.1016/j.nuclphysbps.2007.11.021

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Amenomori, M., Ayabe, S., Bi, X. J., Chen, D., Cui, S. W., Danzengluobu, Ding, L. K., Ding, X. H., Feng, C. F., Feng, Z., Feng, Z. Y., Gao, X. Y., Geng, Q. X., Guo, H. W., He, H. H., He, M., Hibino, K., Hotta, N., Hu, H., ... Zhou, X. X. (2008). The cosmic-ray energy spectrum around the knee measured by the Tibet-III air-shower array. Nuclear Physics B - Proceedings Supplements, 175-176(SUPPL.: COMPLETE), 318-321. https://doi.org/10.1016/j.nuclphysbps.2007.11.021

Amenomori, M, Ayabe, S, Bi, XJ, Chen, D, Cui, SW, Danzengluobu, Ding, LK, Ding, XH, Feng, CF, Feng, Z, Feng, ZY, Gao, XY, Geng, QX, Guo, HW, He, HH, He, M, Hibino, K, Hotta, N, Hu, H, Hu, HB, Huang, J, Huang, Q, Jia, HY, Kajino, F, Kasahara, K, Katayose, Y, Kato, C, Kawata, K, Labaciren, Le, GM, Li, AF, Li, JY, Lou, YQ, Lu, H, Lu, SL, Meng, XR, Mizutani, K, Mu, J, Munakata, K, Nagai, A, Nanjo, H, Nishizawa, M, Ohnishi, M, Ohta, I, Onuma, H, Ouchi, T, Ozawa, S, Ren, JR, Saito, T, Saito, TY, Sakata, M, Sako, TK, Sasaki, T, Shibata, M, Shiomi, A, Shirai, T, Sugimoto, H, Takita, M, Tan, YH, Tateyama, N, Torii, S, Tsuchiya, H, Udo, S, Wang, B, Wang, H, Wang, X, Wang, YG, Wu, HR, Xue, L, Yamamoto, Y, Yan, CT, Yang, XC, Yasue, S, Ye, ZH, Yu, GC, Yuan, AF, Yuda, T, Zhang, HM, Zhang, JL, Zhang, NJ, Zhang, XY, Zhang, Y, Zhang, Y, Zhaxisangzhu & Zhou, XX 2008, 'The cosmic-ray energy spectrum around the knee measured by the Tibet-III air-shower array', Nuclear Physics B - Proceedings Supplements, vol. 175-176, no. SUPPL.: COMPLETE, pp. 318-321. https://doi.org/10.1016/j.nuclphysbps.2007.11.021

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title = "The cosmic-ray energy spectrum around the knee measured by the Tibet-III air-shower array",

abstract = "We present an updated all-particle energy spectrum using data collected in the period from 2000 November through 2004 October by Tibet III air-shower array. The energy determination of the air showers is made by fitting the lateral density distribution of the shower particles to the modified NKG function which is optimized by simulation calculation using interaction models of QGSJET01c and SIBYLL2.1 taking into account of the detector configurations. It is shown that the model dependence in the energy determination is not significant, being less than 5% in the absolute flux value, and we obtained the cosmic ray energy spectrum in a wide range over 3 decades between 1014 eV and 1017 eV, in which the position of the knee is clearly seen at around 4 PeV. The spectral index is - 2.68 ± 0.02 (stat.) below 1PeV, while it is - 3.12 ± 0.01 (stat.) above 4 PeV. The various systematic errors are under study now.",

author = "M. Amenomori and S. Ayabe and Bi, {X. J.} and D. Chen and Cui, {S. W.} and Danzengluobu and Ding, {L. K.} and Ding, {X. H.} and Feng, {C. F.} and Zhaoyang Feng and Feng, {Z. Y.} and Gao, {X. Y.} and Geng, {Q. X.} and Guo, {H. W.} and He, {H. H.} and M. He and K. Hibino and N. Hotta and Haibing Hu and Hu, {H. B.} and J. Huang and Q. Huang and Jia, {H. Y.} and F. Kajino and K. Kasahara and Y. Katayose and C. Kato and K. Kawata and Labaciren and Le, {G. M.} and Li, {A. F.} and Li, {J. Y.} and Lou, {Y. Q.} and H. Lu and Lu, {S. L.} and Meng, {X. R.} and K. Mizutani and J. Mu and K. Munakata and A. Nagai and H. Nanjo and M. Nishizawa and M. Ohnishi and I. Ohta and H. Onuma and T. Ouchi and Shunsuke Ozawa and Ren, {J. R.} and T. Saito and Saito, {T. Y.} and M. Sakata and Sako, {T. K.} and T. Sasaki and M. Shibata and A. Shiomi and T. Shirai and H. Sugimoto and M. Takita and Tan, {Y. H.} and N. Tateyama and Shoji Torii and H. Tsuchiya and S. Udo and B. Wang and H. Wang and X. Wang and Wang, {Y. G.} and Wu, {H. R.} and L. Xue and Y. Yamamoto and Yan, {C. T.} and Yang, {X. C.} and S. Yasue and Ye, {Z. H.} and Yu, {G. C.} and Yuan, {A. F.} and T. Yuda and Zhang, {H. M.} and Zhang, {J. L.} and Zhang, {N. J.} and Zhang, {X. Y.} and Y. Zhang and Yi Zhang and Zhaxisangzhu and Zhou, {X. X.}",

year = "2008",

month = jan,

doi = "10.1016/j.nuclphysbps.2007.11.021",

language = "English",

volume = "175-176",

pages = "318--321",

journal = "Nuclear Physics B - Proceedings Supplements",

issn = "0920-5632",

publisher = "Elsevier",

number = "SUPPL.: COMPLETE",

}

TY - JOUR

T1 - The cosmic-ray energy spectrum around the knee measured by the Tibet-III air-shower array

AU - Amenomori, M.

AU - Ayabe, S.

AU - Bi, X. J.

AU - Chen, D.

AU - Cui, S. W.

AU - Danzengluobu,

AU - Ding, L. K.

AU - Ding, X. H.

AU - Feng, C. F.

AU - Feng, Zhaoyang

AU - Feng, Z. Y.

AU - Gao, X. Y.

AU - Geng, Q. X.

AU - Guo, H. W.

AU - He, H. H.

AU - He, M.

AU - Hibino, K.

AU - Hotta, N.

AU - Hu, Haibing

AU - Hu, H. B.

AU - Huang, J.

AU - Huang, Q.

AU - Jia, H. Y.

AU - Kajino, F.

AU - Kasahara, K.

AU - Katayose, Y.

AU - Kato, C.

AU - Kawata, K.

AU - Labaciren,

AU - Le, G. M.

AU - Li, A. F.

AU - Li, J. Y.

AU - Lou, Y. Q.

AU - Lu, H.

AU - Lu, S. L.

AU - Meng, X. R.

AU - Mizutani, K.

AU - Mu, J.

AU - Munakata, K.

AU - Nagai, A.

AU - Nanjo, H.

AU - Nishizawa, M.

AU - Ohnishi, M.

AU - Ohta, I.

AU - Onuma, H.

AU - Ouchi, T.

AU - Ozawa, Shunsuke

AU - Ren, J. R.

AU - Saito, T.

AU - Saito, T. Y.

AU - Sakata, M.

AU - Sako, T. K.

AU - Sasaki, T.

AU - Shibata, M.

AU - Shiomi, A.

AU - Shirai, T.

AU - Sugimoto, H.

AU - Takita, M.

AU - Tan, Y. H.

AU - Tateyama, N.

AU - Torii, Shoji

AU - Tsuchiya, H.

AU - Udo, S.

AU - Wang, B.

AU - Wang, H.

AU - Wang, X.

AU - Wang, Y. G.

AU - Wu, H. R.

AU - Xue, L.

AU - Yamamoto, Y.

AU - Yan, C. T.

AU - Yang, X. C.

AU - Yasue, S.

AU - Ye, Z. H.

AU - Yu, G. C.

AU - Yuan, A. F.

AU - Yuda, T.

AU - Zhang, H. M.

AU - Zhang, J. L.

AU - Zhang, N. J.

AU - Zhang, X. Y.

AU - Zhang, Y.

AU - Zhang, Yi

AU - Zhaxisangzhu,

AU - Zhou, X. X.

PY - 2008/1

Y1 - 2008/1

N2 - We present an updated all-particle energy spectrum using data collected in the period from 2000 November through 2004 October by Tibet III air-shower array. The energy determination of the air showers is made by fitting the lateral density distribution of the shower particles to the modified NKG function which is optimized by simulation calculation using interaction models of QGSJET01c and SIBYLL2.1 taking into account of the detector configurations. It is shown that the model dependence in the energy determination is not significant, being less than 5% in the absolute flux value, and we obtained the cosmic ray energy spectrum in a wide range over 3 decades between 1014 eV and 1017 eV, in which the position of the knee is clearly seen at around 4 PeV. The spectral index is - 2.68 ± 0.02 (stat.) below 1PeV, while it is - 3.12 ± 0.01 (stat.) above 4 PeV. The various systematic errors are under study now.

AB - We present an updated all-particle energy spectrum using data collected in the period from 2000 November through 2004 October by Tibet III air-shower array. The energy determination of the air showers is made by fitting the lateral density distribution of the shower particles to the modified NKG function which is optimized by simulation calculation using interaction models of QGSJET01c and SIBYLL2.1 taking into account of the detector configurations. It is shown that the model dependence in the energy determination is not significant, being less than 5% in the absolute flux value, and we obtained the cosmic ray energy spectrum in a wide range over 3 decades between 1014 eV and 1017 eV, in which the position of the knee is clearly seen at around 4 PeV. The spectral index is - 2.68 ± 0.02 (stat.) below 1PeV, while it is - 3.12 ± 0.01 (stat.) above 4 PeV. The various systematic errors are under study now.

UR - http://www.scopus.com/inward/record.url?scp=37749035157&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=37749035157&partnerID=8YFLogxK

U2 - 10.1016/j.nuclphysbps.2007.11.021

DO - 10.1016/j.nuclphysbps.2007.11.021

M3 - Article

AN - SCOPUS:37749035157

SN - 0920-5632

VL - 175-176

SP - 318

EP - 321

JO - Nuclear Physics B - Proceedings Supplements

JF - Nuclear Physics B - Proceedings Supplements

IS - SUPPL.: COMPLETE

ER -

The cosmic-ray energy spectrum around the knee measured by the Tibet-III air-shower array

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