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2 results on '"C. S. Shang"'

1. Direct Detection Constraints on Dark Photons with the CDEX-10 Experiment at the China Jinping Underground Laboratory

Author

C. X. Yu, B. T. Zhang, X. P. Geng, Hao-Yang Xing, Hanxiong Huang, Honghan Gong, J. Li, Qian Yue, Y. D. Liu, Y. Li, Tian Xue, W. Y. Tang, Yang Tian, M. X. Li, K. Kang, B. Sevda, Y. Y. Liu, Cong-Feng Qiao, X. C. Ruan, L. T. Yang, F. K. Lin, L. P. Jia, Zhenyu Zhang, Lei Wang, J. F. Zhou, T. C. Huang, Yan Wang, J. P. Chang, Lakhwinder Singh, Y. C. Mao, H. T. He, Q. Y. Nie, X. Q. Li, M. Agartioglu, Shin-Ted Lin, Z. She, N. C. Qi, M. G. Zhao, G. F. Wang, Q. J. Guo, Y. L. Yan, X. Y. Guo, X. N. Li, Ming Zeng, Feng-Shou Zhang, H. B. Li, Qian Wang, Shengzhou Wu, J. Cheng, Yuanjing Li, Ye Chen, Tianxi Sun, J. W. Hu, N. Yi, Z. Y. Zhou, S. M. He, L. He, Zhi Zeng, H. J. Yu, J.J. Zhu, Y. Wang, C. S. Shang, B. Liao, P. Gu, V. Sharma, Zuowei Liu, Jia-Ming Li, Lei Zhang, Wei Dai, H. P. An, H. Pan, Zhao-Qi Wang, Yin Xu, Zhi Deng, Manoj Kumar Singh, J. H. Ning, Hau-Bin Li, Hao Ma, Jun Ren, Henry T. Wong, S. K. Liu, C. J. Tang, Jing-Han Chen, and J. F. Yue

Subjects
Physics, Physics - Instrumentation and Detectors, Photon, Dark matter, China Jinping Underground Laboratory, FOS: Physical sciences, General Physics and Astronomy, chemistry.chemical_element, Germanium, Instrumentation and Detectors (physics.ins-det), Parameter space, Kinetic energy, 01 natural sciences, Dark photon, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), chemistry, 0103 physical sciences, 010306 general physics, Mixing (physics)
Abstract

We report constraints on the dark photon effective kinetic mixing parameter (${\kappa}$) with data taken from two ${p}$-type point-contact germanium detectors of the CDEX-10 experiment at the China Jinping Underground Laboratory. The 90\% confidence level upper limits on ${\kappa}$ of solar dark photon from 205.4 kg-day exposure are derived, probing new parameter space with masses (${m_V}$) from 10 to 300 eV/${c^2}$ in direct detection experiments. Considering dark photon as the cosmological dark matter, limits at 90\% confidence level with ${m_V}$ from 0.1 to 4.0 keV/${c^2}$ are set from 449.6 kg-day data, with a minimum of ${\rm{\kappa=1.3 \times 10^{-15}}}$ at ${\rm{m_V=200\ eV/c^2}}$., Comment: 5 pages, 6 figures

Published
2020

2. First experimental constraints on WIMP couplings in the effective field theory framework from CDEX

Author

X. C. Ruan, Y. C. Mao, Z. She, Ming-Gang Zhao, S. M. He, Qian Yue, Qing Wang, Shiyong Wu, Tao Xue, Hong-Jian He, QiuJu Guo, J. W. Hu, Yin Xu, H. Pan, Tianxi Sun, Z. Y. Zhou, Manoj Kumar Singh, Chang-Jian Tang, Li Wang, B. Liao, ZhongZhi Liu, Q. Y. Nie, Yulan Li, Hanxiong Huang, W. Y. Tang, Zhi Deng, Lei Zhang, Lakhwinder Singh, Hao Yu, Hao Ma, Xia Li, Wei Dai, Hao-Yang Xing, Yucheng Wu, C. S. Shang, Jin Li, Liu Yuanyuan, Jingjun Zhu, Hai-Peng An, Hau-Bin Li, M. Agartioglu, B. T. Zhang, L. He, YuChen Wang, J. H. Ning, Feng-Shou Zhang, T. C. Huang, Yuanjing Li, Xi Jiang, Jing Zhou, R. M. J. Li, X. Y. Guo, Jianmin Li, Ming Zeng, S. K. Liu, Yipeng Wang, Yi Wang, Henry T. Wong, Zhen Wang, Y. L. Yan, H. T. Jia, Zhi Zeng, Yu Liu, C. H. Fang, KangKang Zhao, N. Yi, Vivek Sharma, Yunhua Chen, Y. Y. Liu, Kejun Kang, L. T. Yang, Chunxu Yu, J. P. Chang, Jie Ren, Hui Gong, Jianping Cheng, X. P. Geng, Yang Tian, L. P. Jia, C. Y. Chiang, Jianbo Yue, F. K. Lin, MingXuan Li, Shin-Ted Lin, ZhenYu Zhang, Jing-Han Chen, N. C. Qi, and G. F. Wang

Subjects
Coupling, Physics, Particle physics, Physics - Instrumentation and Detectors, General Physics and Astronomy, FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), 01 natural sciences, High Energy Physics - Experiment, Set (abstract data type), High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), WIMP, China Dark Matter Experiment, Weakly interacting massive particles, 0103 physical sciences, Modulation (music), Effective field theory, Limit (mathematics), 010306 general physics, 010303 astronomy & astrophysics
Abstract

We present weakly interacting massive particles (WIMPs) search results performed using two approaches of effective field theory from the China Dark Matter Experiment (CDEX), based on the data from both CDEX-1B and CDEX-10 stages. In the nonrelativistic effective field theory approach, both time-integrated and annual modulation analyses were used to set new limits for the coupling of WIMP-nucleon effective operators at 90% confidence level (C.L.) and improve over the current bounds in the low $m_{\chi}$ region. In the chiral effective field theory approach, data from CDEX-10 were used to set an upper limit on WIMP-pion coupling at 90% C.L. We for the first time extended the limit to the $m_{\chi}, Comment: version accepted by Science China-PMA, 8 pages, 8 figures

Published
2020
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