Primary proton and helium spectra at energy range from 50 TeV to 1015 eV observed with (YAC-I + Tibet-III) hybrid experiment

THE TIBET ASγ COLLABORATION

Primary proton and helium spectra at energy range from 50 TeV to 10¹⁵ eV observed with (YAC-I + Tibet-III) hybrid experiment

THE TIBET ASγ COLLABORATION

理工学術院総合研究所

研究成果

抄録

A new EAS hybrid experiment has been designed by constructing a YAC (Yangbajing Air shower Core detector array) inside the existing Tibet-III air shower array. The first step of YAC called”YAC-I” has been successfully carried out in 2009-2010 together with Tibet-III air-shower array. YAC-II has also been operated from 2011. In this proceeding, the primary proton and helium spectra at energy range from 50 TeV to 10¹⁵ eV derived from YAC-I data based on the newest interaction model EPOS-LHC (v.3400), QGSJETII-04 and SIBYLL2.1 are reported. The obtained (P+He) spectra is smoothly connected with direct observation data below 100 TeV and also with our previously reported results at higher energies within statistical errors. The knee of the (P+He) spectra is located around 400 TeV. The interaction model dependence in deriving the primary (P+He) spectra are found to be small (less than 25% in absolute intensity, 10% in position of the knee), and the composition model dependence is less than 10% in absolute intensity.

本文言語	English
ホスト出版物のタイトル	Proceedings of the 33rd International Cosmic Rays Conference, ICRC 2013
出版社	Sociedade Brasileira de Fisica
巻	2013-October
ISBN（電子版）	9788589064293
出版ステータス	Published - 2013 1 1
イベント	33rd International Cosmic Rays Conference, ICRC 2013 - Rio de Janeiro, Brazil 継続期間: 2013 7 2 → 2013 7 9

Other

Other	33rd International Cosmic Rays Conference, ICRC 2013
国/地域	Brazil
City	Rio de Janeiro
Period	13/7/2 → 13/7/9

ASJC Scopus subject areas

核物理学および高エネルギー物理学

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引用スタイル

THE TIBET ASγ COLLABORATION 2013, Primary proton and helium spectra at energy range from 50 TeV to 10¹⁵ eV observed with (YAC-I + Tibet-III) hybrid experiment. in Proceedings of the 33rd International Cosmic Rays Conference, ICRC 2013. vol. 2013-October, Sociedade Brasileira de Fisica, 33rd International Cosmic Rays Conference, ICRC 2013, Rio de Janeiro, Brazil, 13/7/2.

@inproceedings{3f60d56ef9a2497db0a4064fce2b32a6,

title = "Primary proton and helium spectra at energy range from 50 TeV to 1015 eV observed with (YAC-I + Tibet-III) hybrid experiment",

abstract = "A new EAS hybrid experiment has been designed by constructing a YAC (Yangbajing Air shower Core detector array) inside the existing Tibet-III air shower array. The first step of YAC called”YAC-I” has been successfully carried out in 2009-2010 together with Tibet-III air-shower array. YAC-II has also been operated from 2011. In this proceeding, the primary proton and helium spectra at energy range from 50 TeV to 1015 eV derived from YAC-I data based on the newest interaction model EPOS-LHC (v.3400), QGSJETII-04 and SIBYLL2.1 are reported. The obtained (P+He) spectra is smoothly connected with direct observation data below 100 TeV and also with our previously reported results at higher energies within statistical errors. The knee of the (P+He) spectra is located around 400 TeV. The interaction model dependence in deriving the primary (P+He) spectra are found to be small (less than 25% in absolute intensity, 10% in position of the knee), and the composition model dependence is less than 10% in absolute intensity.",

keywords = "Cosmic rays, Helium, Knee energy region, Neural network, Proton",

author = "{THE TIBET ASγ COLLABORATION} and M. Amenomori and Bi, {X. J.} and D. Chen and Chen, {T. L.} and Chen, {W. Y.} and Cui, {S. W.} and Danzengluobu and Ding, {L. K.} and Feng, {C. F.} and Feng Zhaoyang and Feng, {Z. Y.} and Gou, {Q. B.} and Guo, {Y. Q.} and He, {H. H.} and He, {Z. T.} and K. Hibino and N. Hotta and Hu Haibing and Hu, {H. B.} and J. Huang and Jia, {H. Y.} and L. Jiang and F. Kajino and K. Kasahara and Y. Katayose and C. Kato and K. Kawata and M. Kozai and Labaciren and Le, {G. M.} and Li, {A. F.} and Li, {H. J.} and Li, {W. J.} and C. Liu and Liu, {J. S.} and Liu, {M. Y.} and H. Lu and Meng, {X. R.} and K. Mizutani and K. Munakata and H. Nanjo and M. Nishizawa and M. Ohnishi and I. Ohta and Shunsuke Ozawa and Qian, {X. L.} and Qu, {X. B.} and T. Saito and Saito, {T. Y.} and Shoji Torii",

year = "2013",

month = jan,

day = "1",

language = "English",

volume = "2013-October",

booktitle = "Proceedings of the 33rd International Cosmic Rays Conference, ICRC 2013",

publisher = "Sociedade Brasileira de Fisica",

address = "Brazil",

note = "33rd International Cosmic Rays Conference, ICRC 2013 ; Conference date: 02-07-2013 Through 09-07-2013",

}

TY - GEN

T1 - Primary proton and helium spectra at energy range from 50 TeV to 1015 eV observed with (YAC-I + Tibet-III) hybrid experiment

AU - THE TIBET ASγ COLLABORATION

AU - Amenomori, M.

AU - Bi, X. J.

AU - Chen, D.

AU - Chen, T. L.

AU - Chen, W. Y.

AU - Cui, S. W.

AU - Danzengluobu,

AU - Ding, L. K.

AU - Feng, C. F.

AU - Zhaoyang, Feng

AU - Feng, Z. Y.

AU - Gou, Q. B.

AU - Guo, Y. Q.

AU - He, H. H.

AU - He, Z. T.

AU - Hibino, K.

AU - Hotta, N.

AU - Haibing, Hu

AU - Hu, H. B.

AU - Huang, J.

AU - Jia, H. Y.

AU - Jiang, L.

AU - Kajino, F.

AU - Kasahara, K.

AU - Katayose, Y.

AU - Kato, C.

AU - Kawata, K.

AU - Kozai, M.

AU - Labaciren,

AU - Le, G. M.

AU - Li, A. F.

AU - Li, H. J.

AU - Li, W. J.

AU - Liu, C.

AU - Liu, J. S.

AU - Liu, M. Y.

AU - Lu, H.

AU - Meng, X. R.

AU - Mizutani, K.

AU - Munakata, K.

AU - Nanjo, H.

AU - Nishizawa, M.

AU - Ohnishi, M.

AU - Ohta, I.

AU - Ozawa, Shunsuke

AU - Qian, X. L.

AU - Qu, X. B.

AU - Saito, T.

AU - Saito, T. Y.

AU - Torii, Shoji

PY - 2013/1/1

Y1 - 2013/1/1

N2 - A new EAS hybrid experiment has been designed by constructing a YAC (Yangbajing Air shower Core detector array) inside the existing Tibet-III air shower array. The first step of YAC called”YAC-I” has been successfully carried out in 2009-2010 together with Tibet-III air-shower array. YAC-II has also been operated from 2011. In this proceeding, the primary proton and helium spectra at energy range from 50 TeV to 1015 eV derived from YAC-I data based on the newest interaction model EPOS-LHC (v.3400), QGSJETII-04 and SIBYLL2.1 are reported. The obtained (P+He) spectra is smoothly connected with direct observation data below 100 TeV and also with our previously reported results at higher energies within statistical errors. The knee of the (P+He) spectra is located around 400 TeV. The interaction model dependence in deriving the primary (P+He) spectra are found to be small (less than 25% in absolute intensity, 10% in position of the knee), and the composition model dependence is less than 10% in absolute intensity.

AB - A new EAS hybrid experiment has been designed by constructing a YAC (Yangbajing Air shower Core detector array) inside the existing Tibet-III air shower array. The first step of YAC called”YAC-I” has been successfully carried out in 2009-2010 together with Tibet-III air-shower array. YAC-II has also been operated from 2011. In this proceeding, the primary proton and helium spectra at energy range from 50 TeV to 1015 eV derived from YAC-I data based on the newest interaction model EPOS-LHC (v.3400), QGSJETII-04 and SIBYLL2.1 are reported. The obtained (P+He) spectra is smoothly connected with direct observation data below 100 TeV and also with our previously reported results at higher energies within statistical errors. The knee of the (P+He) spectra is located around 400 TeV. The interaction model dependence in deriving the primary (P+He) spectra are found to be small (less than 25% in absolute intensity, 10% in position of the knee), and the composition model dependence is less than 10% in absolute intensity.

KW - Cosmic rays

KW - Helium

KW - Knee energy region

KW - Neural network

KW - Proton

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UR - http://www.scopus.com/inward/citedby.url?scp=85052487269&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:85052487269

VL - 2013-October

BT - Proceedings of the 33rd International Cosmic Rays Conference, ICRC 2013

PB - Sociedade Brasileira de Fisica

T2 - 33rd International Cosmic Rays Conference, ICRC 2013

Y2 - 2 July 2013 through 9 July 2013

ER -