{ "id": "1602.08830", "version": "v1", "published": "2016-02-29T05:40:52.000Z", "updated": "2016-02-29T05:40:52.000Z", "title": "Sensitivity of YAC to measure the light-component spectrum of primary cosmic rays at the \"knee\" energies", "authors": [ "L M Zhai", "J Huang", "D Chen", "M Shibata", "Y Katayose", "Ying Zhang", "J S Liu", "Xu Chen", "X B Hu", "Y H Lin" ], "comment": "15 pages, 8 figure", "doi": "10.1088/0954-3899/42/4/045201", "categories": [ "astro-ph.HE", "hep-ex" ], "abstract": "A new air-shower core-detector array (YAC : Yangbajing Air-shower Core-detector array) has been developed to measure the primary cosmic-ray composition at the \"knee\" energies in Tibet, China, focusing mainly on the light components. The prototype experiment (YAC-I) consisting of 16 detectors has been constructed and operated at Yangbajing (4300 m a.s.l.) in Tibet since May 2009. YAC-I is installed in the Tibet-III AS array and operates together. In this paper, we performed a Monte Carlo simulation to check the sensitivity of YAC-I+Tibet-III array to the cosmic-ray light component of cosmic rays around the knee energies, taking account of the observation conditions of actual YAC-I+Tibet-III array. The selection of light component from others was made by use of an artificial neural network (ANN). The simulation shows that the light-component spectrum estimated by our methods can well reproduce the input ones within 10\\% error, and there will be about 30\\% systematic errors mostly induced by the primary and interaction models used. It is found that the full-scale YAC and the Tibet-III array is powerful to study the cosmic-ray composition, in particular, to obtain the energy spectra of protons and helium nuclei around the knee energies.", "revisions": [ { "version": "v1", "updated": "2016-02-29T05:40:52.000Z" } ], "analyses": { "keywords": [ "primary cosmic rays", "light-component spectrum", "light component", "air-shower core-detector array", "sensitivity" ], "tags": [ "journal article" ], "publication": { "publisher": "IOP", "journal": "Journal of Physics G Nuclear Physics", "year": 2015, "month": "Apr", "volume": 42, "number": 4, "pages": "045201" }, "note": { "typesetting": "TeX", "pages": 15, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2015JPhG...42d5201Z", "inspire": 1345314 } } }