1. Studies of the Earth shielding effect to direct dark matter searches at the China Jinping Underground Laboratory
- Author
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Liu, Z. Z., Yang, L. T., Yue, Q., Yeh, C. H., Kang, K. J., Li, Y. J., Agartioglu, M., An, H. P., Chang, J. P., Chen, J. H., Chen, Y. H., Cheng, J. P., Dai, W. H., Deng, Z., Fang, C. H., Geng, X. P., Gong, H., Guo, X. Y., Guo, Q. J., He, L., He, S. M., Hu, J. W., Huang, H. X., Huang, T. C., Jia, H. T., Jiang, X., Li, H. B., Li, J. M., Li, J., Li, R. M. J., Li, X. Q., Li, Y. L., Liao, B., Lin, F. K., Lin, S. T., Liu, S. K., Liu, Y., Liu, Y. D., Liu, Y. Y., Ma, H., Mao, Y. C., Nie, Q. Y., Ning, J. H., Pan, H., Qi, N. C., Ren, J., Ruan, X. C., Saraswat, K., Sharma, V., She, Z., Singh, M. K., Sun, T. X., Tang, C. J., Tang, W. Y., Tian, Y., Wang, G. F., Wang, L., Wang, Q., Wang, Y., Wang, Y. X., Wang, Z., Wong, H. T., Wu, S. Y., Wu, Y. C., Xing, H. Y., Xu, Y., Xue, T., Yan, Y. L., Yi, N., Yu, C. X., Yu, H. J., Yue, J. F., Zeng, M., Zeng, Z., Zhang, B. T., Zhang, F. S., Zhang, Z. H., Zhang, Z. Y., Zhao, K. K., Zhao, M. G., Zhou, J. F., Zhou, Z. Y., and Zhu, J. J.
- Subjects
High Energy Physics - Phenomenology ,High Energy Physics - Experiment (hep-ex) ,Physics - Instrumentation and Detectors ,High Energy Physics - Phenomenology (hep-ph) ,Physics::Instrumentation and Detectors ,FOS: Physical sciences ,Instrumentation and Detectors (physics.ins-det) ,High Energy Physics - Experiment ,Physics::Geophysics - Abstract
Dark matter direct detection experiments mostly operate at deep underground laboratories. It is necessary to consider shielding effect of the Earth, especially for dark matter particles interacting with a large cross section. We analyzed and simulated the Earth shielding effect for dark matter at the China Jinping Underground Laboratory (CJPL) with a simulation package, CJPL Earth Shielding Simulation code (CJPL\_ESS), which is applicable to other underground locations. The further constraints on the $\chi$-N cross section exclusion regions are derived based on the studies with CDEX experiment data., Comment: 8 pages, 8 figures, 2 tables. Version updated to match PRD version
- Published
- 2022