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arXiv 2304.01460hep-exphysics.ins-det
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在COSINE-100实验中搜寻玻色型超弱相互作用大质量粒子

Search for bosonic super-weakly interacting massive particles at COSINE-100

G. Adhikari, N. Carlin, J. J. Choi, S. Choi, A. C. Ezeribe, L. E. Franca, C. Ha, I. S. Hahn, S. J. Hollick, E. J. Jeon, J. H. Jo, H. W. Joo, W. G. Kang, M. Kaue… 展开作者

G. Adhikari, N. Carlin, J. J. Choi, S. Choi, A. C. Ezeribe, L. E. Franca, C. Ha, I. S. Hahn, S. J. Hollick, E. J. Jeon, J. H. Jo, H. W. Joo, W. G. Kang, M. Kauer, B. H. Kim, H. J. Kim, J. Kim, K. W. Kim, S. H. Kim, S. K. Kim, W. K. Kim, Y. D. Kim, Y. H. Kim, Y. J. Ko, D. H. Lee, E. K. Lee, H. Lee, H. S. Lee, H. Y. Lee, I. S. Lee, J. Lee, J. Y. Lee, M. H. Lee, S. H. Lee, S. M. Lee, Y. J. Lee, D. S. Leonard, N. T. Luan, B. B. Manzato, R. H. Maruyama, R. J. Neal, J. A. Nikkel, S. L. Olsen, B. J. Park, H. K. Park, H. S. Park, K. S. Park, S. D. Park, R. L. C. Pitta, H. Prihtiadi, S. J. Ra, C. Rott, K. A. Shin, D. F. F. S. Cavalcante, A. Scarff, N. J. C. Spooner, W. G. Thompson, L. Yang, G. H. Yu

AI总结:

本研究利用COSINE实验97.7千克·年曝光量,首次结合类康普顿与吸收过程搜寻keV级暗物质候选玻色型超弱相互作用大质量粒子,在10 keV/c²到1 MeV/c²质量范围未发现信号,并提升了百keV/c²以上质量区间的耦合常数90%置信水平排除限。

摘要:

我们基于COSINE实验97.7千克·年的曝光量,呈现了作为keV量级暗物质候选体的玻色型超弱相互作用大质量粒子(BSW)的搜寻结果。本次搜寻首次同时采用类康普顿过程以及吸收过程,针对赝标量和矢量BSW开展研究。在10 keV/c²到1 MeV/c²的质量范围内未发现BSW存在的证据,我们给出了90%置信水平下,赝标量BSW与电子的无量纲耦合常数gₐₑ、以及矢量BSW与电子的无量纲耦合常数κ的排除限。结果表明,对于质量在O(100 keV/c²)以上的BSW,纳入类康普顿过程后这些排除限得到了提升。

英文摘要:

We present results of a search for bosonic super-weakly interacting massive particles (BSW) as keV scale dark matter candidates that is based on an exposure of 97.7 kg$\cdot$year from the COSINE experiment. In this search, we employ, for the first time, Compton-like as well as absorption processes for pseudoscalar and vector BSWs. No evidence for BSWs is found in the mass range from 10 $\mathrm{keV/c}^2$ to 1 $\mathrm{MeV/c}^2$, and we present the exclusion limits on the dimensionless coupling constants to electrons $g_{ae}$ for pseudoscalar and $κ$ for vector BSWs at 90% confidence level. Our results show that these limits are improved by including the Compton-like process in masses of BSW, above $\mathcal{O}(100\,\mathrm{keV/c}^2)$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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