欧洲脉冲星计时阵列第二次数据发布: VI. 挑战超轻暗物质范式
高能天体物理现象
2023-10-26 v2 宇宙学与河外天体物理
星系天体物理
广义相对论与量子宇宙学
高能物理 - 唯象学
摘要
脉冲星计时阵列实验通过对一组银河系毫秒射电脉冲星长达数十年的计时,探测可能存在的标量或赝标量超轻暗物质粒子。借助欧洲脉冲星计时阵列的第二次数据发布,我们聚焦于最稳健的情形,即暗物质仅通过引力与寻常重子物质相互作用。我们的结果表明,质量在 的超轻粒子不能构成100%的已测量本地暗物质密度,但其本地密度最多可为 GeV/cm。
引用
@article{arxiv.2306.16228,
title = {The second data release from the European Pulsar Timing Array: VI. Challenging the ultralight dark matter paradigm},
author = {Clemente Smarra and Boris Goncharov and Enrico Barausse and J. Antoniadis and S. Babak and A. -S. Bak Nielsen and C. G. Bassa and A. Berthereau and M. Bonetti and E. Bortolas and P. R. Brook and M. Burgay and R. N. Caballero and A. Chalumeau and D. J. Champion and S. Chanlaridis and S. Chen and I. Cognard and G. Desvignes and M. Falxa and R. D. Ferdman and A. Franchini and J. R. Gair and E. Graikou and J. -M. Grie and L. Guillemot and Y. J. Guo and H. Hu and F. Iraci and D. Izquierdo-Villalba and J. Jang and J. Jawor and G. H. Janssen and A. Jessner and R. Karuppusamy and E. F. Keane and M. J. Keith and M. Kramer and M. A. Krishnakumar and K. Lackeos and K. J. Lee and K. Liu and Y. Liu and A. G. Lyne and J. W. McKee and R. A. Main and M. B. Mickaliger and I. C. Niţu and A. Parthasarathy and B. B. P. Perera and D. Perrodin and A. Petiteau and N. K. Porayko and A. Possenti and H. Quelquejay Leclere and A. Samajdar and S. A. Sanidas and A. Sesana and G. Shaifullah and L. Speri and R. Spiewak and B. W. Stappers and S. C. Susarla and G. Theureau and C. Tiburzi and E. van der Wateren and A. Vecchio and V. Venkatraman Krishnan and J. Wang and L. Wang and Z. Wu},
journal= {arXiv preprint arXiv:2306.16228},
year = {2023}
}
备注
5 pages + acknowledgements + refs, 2 figures. Text and figures match the version published in PRL