Exotic Dark Matter Search with CDEX-10 Experiment at China's Jinping Underground Laboratory
- Dai, W. H.
- Jia, L. P.
- Ma, H.
- Yue, Q.
- Kang, K. J.
- Li, Y. J.
- An, H. P.
- C., Greeshma
- Chang, J. P.
- Chen, Y. H.
- Cheng, J. P.
- Deng, Z.
- Fang, C. H.
- Geng, X. P.
- Gong, H.
- Guo, Q. J.
- Guo, X. Y.
- He, L.
- He, S. M.
- Hu, J. W.
- Huang, H. X.
- Huang, T. C.
- Jia, H. T.
- Jiang, X.
- Karmakar, S.
- Li, H. B.
- Li, J. M.
- Li, J.
- Li, Q. Y.
- Li, R. M. J.
- Li, X. Q.
- Li, Y. L.
- Liang, Y. F.
- Liao, B.
- Lin, F. K.
- Lin, S. T.
- Liu, S. K.
- Liu, Y. D.
- Liu, Y.
- Liu, Y. Y.
- Liu, Z. Z.
- Mao, Y. C.
- Nie, Q. Y.
- Ning, J. H.
- Pan, H.
- Qi, N. C.
- Ren, J.
- Ruan, X. C.
- 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.
- Wong, H. T.
- Wu, S. Y.
- Wu, Y. C.
- Xing, H. Y.
- Xu, R.
- Xu, Y.
- Xue, T.
- Yan, Y. L.
- Yang, L. T.
- Yi, N.
- Yu, C. X.
- Yu, H. J.
- Yue, J. F.
- Zeng, M.
- Zeng, Z.
- Zhang, B. T.
- Zhang, F. S.
- Zhang, L.
- Zhang, Z. H.
- Zhang, Z. Y.
- Zhao, K. K.
- Zhao, M. G.
- Zhou, J. F.
- Zhou, Z. Y.
- Zhu, J. J.
DOIAbstract
A search for exotic dark matter (DM) in the sub-GeV mass range has been conducted using 205 kg$\cdot$day data taken from a p-type point contact germanium detector of CDEX-10 experiment at China Jinping underground laboratory. New low-mass dark matter searching channels, neutral current fermionic DM absorption ($\chi+A\rightarrow \nu+A$) and DM-nucleus 3$\rightarrow$2 scattering ($\chi+\chi+A\rightarrow \phi+A$), have been analyzed with an energy threshold of 160 eVee. No significant signal was found. Thus new limits on the DM-nucleon interaction cross section are set for both models at sub-GeV DM mass region. A cross section limit for the fermionic DM absorption is set to be $\rm 2.5\times 10^{-46} cm^2$(90\% C.L.) at DM mass of 10 MeV/c$^2...
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