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http://hdl.handle.net/20.500.12386/29836
Titolo: | EAS age determination from the study of the lateral distribution of charged particles near the shower axis with the ARGO-YBJ experiment | Autori: | Bartoli, B. Bernardini, P. Bi, X. J. Cao, Z. Catalanotti, S. Chen, S. Z. Chen, T. L. Cui, S. W. Dai, B. Z. D'Amone, A. Danzengluobu De Mitri, I. D'Ettorre Piazzoli, B. Di Girolamo, T. Di Sciascio, G. Feng, C. F. Feng, Zhaoyang Feng, Zhenyong Gou, Q. B. Guo, Y. Q. He, H. H. Hu, Haibing Hu, Hongbo Iacovacci, M. Iuppa, R. Jia, H. Y. Labaciren Li, H. J. Liu, C. Liu, J. Liu, M. Y. Lu, H. Ma, L. L. Ma, X. H. Mancarella, G. Mari, S. M. Marsella, G. Mastroianni, S. Montini, P. Ning, C. C. Perrone, L. Pistilli, P. Salvini, P. Santonico, R. Shen, P. R. Sheng, X. D. Shi, F. Surdo, A. Tan, Y. H. VALLANIA, PIERO VERNETTO, Silvia Teresa Vigorito, C. Wang, H. Wu, C. Y. Wu, H. R. Xue, L. Yang, Q. Y. Yang, X. C. Yao, Z. G. Yuan, A. F. Zha, M. Zhang, H. M. Zhang, L. Zhang, X. Y. Zhang, Y. Zhao, J. Zhaxiciren Zhaxisangzhu Zhou, X. X. Zhu, F. R. Zhu, Q. Q. ARGO-YBJ Collaboration |
Data pubblicazione: | 2017 | Rivista: | ASTROPARTICLE PHYSICS | Numero: | 93 | Da pagina:: | 46 | Abstract: | The ARGO-YBJ experiment, a full coverage extensive air shower (EAS) detector located at high altitude (4300 m a.s.l.) in Tibet, China, has smoothly taken data, with very high stability, since November 2007 to the beginning of 2013. The array consisted of a carpet of about 7000 m<SUP>2</SUP> Resistive Plate Chambers (RPCs) operated in streamer mode and equipped with both digital and analog readout, providing the measurement of particle densities up to few particles per cm<SUP>2</SUP>. The unique detector features (full coverage, readout granularity, wide dynamic range, ..) and location (very high altitude) allowed a detailed study of the lateral density profile of charged particles at ground very close to the shower axis and its description by a proper lateral distribution function (LDF). In particular, the information collected in the first 10 m from the shower axis have been shown to provide a very effective tool for the determination of the shower development stage ("age") in the energy range 50 TeV - 10 PeV. The sensitivity of the age parameter to the mass composition of primary Cosmic Rays is also discussed. | URI: | http://hdl.handle.net/20.500.12386/29836 | URL: | https://www.sciencedirect.com/science/article/abs/pii/S0927650517300415?via%3Dihub | ISSN: | 0927-6505 | DOI: | 10.1016/j.astropartphys.2017.06.003 | Bibcode ADS: | 2017APh....93...46B | Fulltext: | reserved |
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