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Prospects for a multi-TeV gamma-ray sky survey with the LHAASO water Cherenkov detector array *

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Zeitschriftentitel: Chinese Physics C
Personen und Körperschaften: Aharonian, F., Alekseenko, V., An, Q., Axikegu, Bai, L.X., Bao, Y.W., Bastieri, D., Bi, X.J., Cai, H., Cao, Zhe, Cao, Zhen, Chang, J., Chang, J.F., Chang, X.C., Chao, S.P., Chen, B.M., Chen, J., Chen, L., Chen, M.L., Chen, M.J., Chen, Q.H., Chen, S.H., Chen, S.Z., Chen, T.L., Chen, X.L., Chen, Y., Cheng, N., Cheng, Y.D., Cui, S.W., Cui, X.H., Cui, Y.D., Dai, B.Z., Dai, H.L., Dai, Z.G., Danzengluobu, D'Ettorre Piazzoli, B., Fang, J., Fan, J.H., Fan, Y.Z., Feng, C.F, Feng, L., Feng, S.H., Feng, Y.L., Gao, B., Gao, Q., Gao, W., Ge, M.M., Geng, L.S., Gong, G.H., Gou, Q.B., Gu, M.H., Guo, Y.Q., Guo, Y.Y., Han, Y.A., He, H.H., He, J.C., Heller, M., He, S.L., He, Y., Hou, C., Huang, D.H., Huang, Q.L., Huang, W.H., Huang, X.T., Hu, H.B., Hu, S., Jia, H.Y., Jiang, K., Ji, F., Jin, C., Ji, X.L., Levochkin, K., Liang, E.W., Liang, Y.F, Li, Cheng, Li, Cong, Li, F., Li, H., Li, H.B., Li, H.C., Li, H.M., Li, J., Li, K., Li, W.L., Li, X., Li, X.R., Li, Y., Li, Z., Liu, B., Liu, C., Liu, D., Liu, H.D., Liu, H., Liu, J., Liu, J.Y., Liu, M.Y., Liu, R.Y., Liu, S.M., Liu, W., Liu, Y.N., Liu, Z.X., Long, W.J., Lu, R., Lv, H.K., Ma, B.Q., Ma, L.L., Mao, J.R., Masood, A., Ma, X.H., Mitthumsiri, W., Montaruli, T., Nan, Y.C., Pattarakijwanich, P., Pei, Z.Y., Qiao, B.Q., Qi, M.Y., Ruffolo, D., Rulev, V., Sáiz, A., Shao, L., Shchegolev, O., Sheng, X.D., Shi, J.R., Stenkin, Y., Stepanov, V., Sun, Z.B., Tam, P.H.T., Tang, Z.B., Tian, W.W., Volpe, D.D., Wang, C., Wang, H., Wang, H.G., Wang, J.C., Wang, L.Y., Wang, W., Wang, X.G., Wang, X.Y., Wang, X.J., Wang, Y.D., Wang, Y.J., Wang, Y.N., Wang, Y.P., Wang, Z., Wang, Z.H., Wang, Z.X., Wei, D.M., Wei, J.J., Wen, T., Wu, C.Y., Wu, H.R., Wu, S., Wu, W.X., Wu, X.F., Xiang, G.M., Xiao, G., Xin, G.G., Xing, Y., Xu, R.X., Xue, L., Yan, D.H., Yang, C.W., Yang, F.F., Yang, L.L., Yang, M.J., Yang, R.Z., Yang, S.B., Yao, Y.H., Yao, Z.G., Ye, Y.M., Yin, L.Q., Yin, N., You, X.H., You, Z.Y., Yuan, Q., Yu, Y.H., Jiang, Z.J., Zeng, H.D., Zeng, T.X., Zeng, W., Zeng, Z.K., Zha, M., Zhang, B.B., Zhang, H.M., Zhang, H.Y., Zhang, J.L., Zhang, J.W., Zhang, L., Zhang, P.F., Zhang, P.P., Zhang, S.R., Zhang, S.S., Zhang, X., Zhang, X.P., Zhang, Yi, Zhang, Yong, Zhang, Y.F.g, Zhao, B., Zhao, J., Zhao, L., Zhao, L.Z., Zheng, F., Zheng, Y., Zhou, J.N., Zhou, P., Zhou, R., Zhou, X.X., Zhu, C.G., Zhu, F.R., Zhu, H., Zhu, K.J., Zuo, X.
In: Chinese Physics C, 44, 2020, 6, S. 065001
Format: E-Article
Sprache: Unbestimmt
veröffentlicht:
IOP Publishing
Schlagwörter:
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Zusammenfassung: <jats:title>Abstract</jats:title> <jats:p>The Water Cherenkov Detector Array (WCDA) is a major component of the Large High Altitude Air Shower Array Observatory (LHAASO), a new generation cosmic-ray experiment with unprecedented sensitivity, currently under construction. WCDA is aimed at the study of TeV <jats:inline-formula> <jats:tex-math><?CDATA $\gamma$?></jats:tex-math> <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="cpc_44_6_065001_M1.jpg" xlink:type="simple" /> </jats:inline-formula>-rays. In order to evaluate the prospects of searching for TeV <jats:inline-formula> <jats:tex-math><?CDATA $\gamma$?></jats:tex-math> <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="cpc_44_6_065001_M2.jpg" xlink:type="simple" /> </jats:inline-formula>-ray sources with WCDA, we present a projection of the one-year sensitivity of WCDA to TeV <jats:inline-formula> <jats:tex-math><?CDATA $\gamma$?></jats:tex-math> <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="cpc_44_6_065001_M3.jpg" xlink:type="simple" /> </jats:inline-formula>-ray sources from TeVCat using an all-sky approach. Out of 128 TeVCat sources observable by WCDA up to a zenith angle of <jats:inline-formula> <jats:tex-math><?CDATA $45^\circ$?></jats:tex-math> <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="cpc_44_6_065001_M4.jpg" xlink:type="simple" /> </jats:inline-formula>, we estimate that 42 would be detectable in one year of observations at a median energy of 1 TeV. Most of them are Galactic sources, and the extragalactic sources are Active Galactic Nuclei (AGN). </jats:p>
Umfang: 065001
ISSN: 1674-1137
2058-6132
DOI: 10.1088/1674-1137/44/6/065001