Light-component spectrum of the primary cosmic rays in the multi-TeV region measured by the ARGO-YBJ experiment

被引:54
作者
Bartoli, B. [4 ,5 ]
Bernardini, P. [6 ,7 ]
Bi, X. J. [8 ]
Bleve, C. [6 ,7 ]
Bolognino, I. [9 ,10 ]
Branchini, P. [11 ]
Budano, A. [11 ]
Melcarne, A. K. Calabrese [12 ]
Camarri, P. [13 ,14 ]
Cao, Z. [8 ]
Cardarelli, R. [14 ]
Catalanotti, S. [4 ,5 ]
Cattaneo, C. [10 ]
Chen, S. Z. [8 ]
Chen, T. L. [15 ]
Chen, Y. [8 ]
Creti, P. [7 ]
Cui, S. W. [16 ]
Dai, B. Z. [17 ]
Staiti, G. D'Ali [18 ,19 ]
Danzengluobu [15 ]
Dattoli, M. [20 ,21 ,22 ]
De Mitri, I. [6 ,7 ]
Piazzoli, B. D'Ettorre [4 ,5 ]
Di Girolamo, T. [4 ,5 ]
Ding, X. H. [15 ]
Di Sciascio, G. [14 ]
Feng, C. F. [23 ]
Feng, Zhaoyang [15 ]
Feng, Zhenyong [24 ]
Giroletti, E. [9 ,10 ]
Gou, Q. B. [8 ]
Guo, Y. Q. [8 ]
He, H. H. [8 ]
Hu, Haibing [15 ]
Hu, Hongbo [8 ]
Huang, Q. [24 ]
Iacovacci, M. [4 ,5 ]
Iuppa, R. [13 ,14 ]
James, I. [1 ,11 ]
Jia, H. Y. [24 ]
Labaciren [15 ]
Li, H. J. [15 ]
Li, J. Y. [23 ]
Li, X. X. [8 ]
Liguori, G. [9 ,10 ]
Liu, C. [8 ]
Liu, C. Q. [17 ]
Liu, J. [17 ]
Liu, M. Y. [15 ]
机构
[1] Univ Roma Tre, Dipartimento Fis, I-00146 Rome, Italy
[2] Univ Salento, Dipartimento Ingn Innovaz, I-73100 Lecce, Italy
[3] Ist Nazl Astrofis, Ist Astrofis Spaziale & Fis Cosm, I-90146 Palermo, Italy
[4] Univ Naples Federico II, Dipartimento Fis, I-80126 Naples, Italy
[5] Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy
[6] Univ Salento, Dipartimento Fis, I-73100 Lecce, Italy
[7] Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy
[8] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China
[9] Univ Pavia, Dipartimento Fis Nucl & Teor, I-27100 Pavia, Italy
[10] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy
[11] Ist Nazl Fis Nucl, Sez Roma Tre, I-00146 Rome, Italy
[12] Ist Nazl Fis Nucl, CNAF, I-40127 Bologna, Italy
[13] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy
[14] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy
[15] Tibet Univ, Lhasa 850000, Xizang, Peoples R China
[16] Hebei Normal Univ, Shijiazhuang 050016, Hebei, Peoples R China
[17] Yunnan Univ, Kunming 650091, Yunnan, Peoples R China
[18] Univ Palermo, Dipartimento Fis & Tecnol Relat, I-90128 Palermo, Italy
[19] Ist Nazl Fis Nucl, Sez Catania, I-95125 Catania, Italy
[20] Ist Nazl Astrofis, Ist Fis Spazio Interplanetario, I-10133 Turin, Italy
[21] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy
[22] Univ Turin, Dipartimento Fis Gen, I-10125 Turin, Italy
[23] Shandong Univ, Jinan 250100, Shandong, Peoples R China
[24] SW Jiaotong Univ, Chengdu 610031, Sichuan, Peoples R China
来源
PHYSICAL REVIEW D | 2012年 / 85卷 / 09期
关键词
HELIUM SPECTRA; ENERGY-RANGE; PROTON; NUCLEI;
D O I
10.1103/PhysRevD.85.092005
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The ARGO-YBJ experiment detects extensive air showers in a wide energy range by means of a full-coverage detector which is in stable data taking in its full configuration since November 2007 at the YBJ International Cosmic Ray Observatory (4300 m a.s.l., Tibet, People's Republic of China). In this paper the measurement of the light-component spectrum of primary cosmic rays in the energy region (5 divided by 200) TeV is reported. The method exploited to analyze the experimental data is based on a Bayesian procedure. The measured intensities of the light component are consistent with the recent CREAM results and higher than that obtained adding the proton and helium spectra reported by the RUNJOB experiment.
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页数:10
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