在CDEX-10实验中搜索太阳中微子的外来相互作用

论文标题

在CDEX-10实验中搜索太阳中微子的外来相互作用

Search for exotic interactions of solar neutrinos in the CDEX-10 experiment

论文作者

Geng, X. P., Yang, L. T., Yue, Q., Kang, K. J., Li, Y. J., An, H. P., C., Greeshma, Chang, J. P., Chen, Y. H., Cheng, J. P., Dai, W. H., Deng, Z., Fang, C. H., 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, J. X., Liu, S. K., Liu, Y. D., Liu, Y., Liu, Y. Y., Liu, Z. Z., Ma, H., 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. F., Wang, Y. X., Wong, H. T., Wu, S. Y., Wu, Y. C., Xing, H. Y., Xu, R., 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, L., Zhang, Z. H., Zhang, Z. Y., Zhao, K. K., Zhao, M. G., Zhou, J. F., Zhou, Z. Y., Zhu, J. J., Wu, Y. C.

论文摘要

我们使用CDEX-10实验的205.4千克$ \ CDOT $ DAY数据集研究了异国情调的中微子相互作用。提出了对新量规玻色子的质量和耦合的新约束。考虑了两种非标准中微子相互作用：A $ U（1）_ {B-L} $仪表 - 孔子诱导的活性中微子与电子/核之间的相互作用，以及通过与光子混合的无菌中微子和电子/核之间的暗光子诱导的相互作用。这项工作探究了一个未开发的参数空间，涉及无菌中微子与深色光子耦合。新的实验室限制以低于$ 1〜 {\ rm ev}/c^{2} $的深色光子质量得出，以$Δm_{41}^{2} $和$ g^{\ prime2} {\ prime2} {\ rm {sin}}}^{2}^{2} $的基准值为$Δm_{41}^{2} $。

We investigate exotic neutrino interactions using the 205.4 kg$\cdot$day dataset from the CDEX-10 experiment at the China Jinping Underground Laboratory. New constraints on the mass and couplings of new gauge bosons are presented. Two nonstandard neutrino interactions are considered: a $U(1)_{B-L}$ gauge-boson-induced interaction between an active neutrino and electron/nucleus, and a dark-photon-induced interaction between a sterile neutrino and electron/nucleus via kinetic mixing with a photon. This work probes an unexplored parameter space involving sterile neutrino coupling with a dark photon. New laboratory limits are derived on dark photon masses below $1~{\rm eV}/c^{2}$ at some benchmark values of $Δm_{41}^{2}$ and $g^{\prime2}{\rm{sin}}^{2}2θ_{14}$.

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