利用 XENON1T 实验得到的标量 WIMP-介子耦合的首次结果
高能物理 - 唯象学
2019-02-25 v2 宇宙学与河外天体物理
高能物理 - 实验
核理论
摘要
我们给出了利用 XENON1T 实验在 1 t×yr 曝光量下得到的标量 WIMP-介子耦合的首次结果。当 WIMP 与原子核内核子之间交换的虚介子耦合时，会产生这种相互作用。与大多数非相对论算符不同，这些介子交换流可以被核子总数相干增强，因此在自旋无关 WIMP-核子相互作用被压低的情形中可能占主导。此外，对于自然大小的耦合值，由于其在原子核中的相干性，它们主导于自旋相关通道。使用该新 WIMP-介子通道的信号模型，未发现显著超出，从而在 30 GeV/c² 的 WIMP 质量处给出了截面的上限为 6.4×10⁻⁴⁶ cm²（90% 置信水平）。
引用
@article{arxiv.1811.12482,
title = {First results on the scalar WIMP-pion coupling, using the XENON1T experiment},
author = {E. Aprile and J. Aalbers and F. Agostini and M. Alfonsi and L. Althueser and F. D. Amaro and M. Anthony and V. C. Antochi and F. Arneodo and L. Baudis and B. Bauermeister and M. L. Benabderrahmane and T. Berger and P. A. Breur and A. Brown and A. Brown and E. Brown and S. Bruenner and G. Bruno and R. Budnik and C. Capelli and J. M. R. Cardoso and D. Cichon and D. Coderre and A. P. Colijn and J. Conrad and J. P. Cussonneau and M. P. Decowski and P. de Perio and P. Di Gangi and A. Di Giovanni and S. Diglio and A. Elykov and G. Eurin and J. Fei and A. D. Ferella and A. Fieguth and W. Fulgione and A. Gallo Rosso and M. Galloway and F. Gao and M. Garbini and L. Grandi and Z. Greene and C. Hasterok and E. Hogenbirk and J. Howlett and M. Iacovacci and R. Itay and F. Joerg and B. Kaminsky and S. Kazama and A. Kish and G. Koltman and A. Kopec and H. Landsman and R. F. Lang and L. Levinson and Q. Lin and S. Lindemann and M. Lindner and F. Lombardi and J. A. M. Lopes and E. López Fune and C. Macolino and J. Mahlstedt and A. Manfredini and F. Marignetti and T. Marrodán Undagoitia and J. Masbou and D. Masson and S. Mastroianni and M. Messina and K. Micheneau and K. Miller and A. Molinario and K. Morå and M. Murra and J. Naganoma and K. Ni and U. Oberlack and K. Odgers and B. Pelssers and F. Piastra and J. Pienaar and V. Pizzella and G. Plante and R. Podviianiuk and N. Priel and H. Qiu and D. Ramírez García and S. Reichard and B. Riedel and A. Rizzo and A. Rocchetti and N. Rupp and J. M. F. dos Santos and G. Sartorelli and N. Šarčević and M. Scheibelhut and S. Schindler and J. Schreiner and D. Schulte and M. Schumann and L. Scotto Lavina and M. Selvi and P. Shagin and E. Shockley and M. Silva and H. Simgen and C. Therreau and D. Thers and F. Toschi and G. Trinchero and C. Tunnell and N. Upole and M. Vargas and O. Wack and H. Wang and Z. Wang and Y. Wei and C. Weinheimer and C. Wittweg and J. Wulf and J. Ye and Y. Zhang and T. Zhu and J. P. Zopounidis and M. Hoferichter and P. Klos and J. Menéndez and A. Schwenk},
journal= {arXiv preprint arXiv:1811.12482},
year = {2019}
}