利用 HAWC 伽马射线天文台对矮椭球星系给出的暗物质限制
高能天体物理现象
2018-02-14 v1 高能物理 - 唯象学
摘要
高海拔水切伦科夫 (HAWC) 伽马射线天文台是一个宽视场天文台，对 500 GeV 至 100 TeV 的伽马射线和宇宙线敏感。它还可以进行多种暗物质 (DM) 湮灭和衰变的间接搜索。矮椭球星系是暗物质间接探测中最有希望的目标之一。这些天体预计几乎没有伽马射线天体物理源，但暗物质含量很高，使其成为利用伽马射线进行暗物质间接探测的理想候选者。在此，我们给出了 HAWC 视场内 15 个矮椭球星系的湮灭截面和衰变寿命的单独限制，以及它们的组合限制。这些是利用 HAWC 收集的数据对湮灭截面和衰变寿命给出的首批限制。
引用
@article{arxiv.1706.01277,
title = {Dark Matter Limits From Dwarf Spheroidal Galaxies with The HAWC Gamma-Ray Observatory},
author = {A. Albert and R. Alfaro and C. Alvarez and J. D. Álvarez and R. Arceo and J. C. Arteaga-Velázquez and D. Avila Rojas and H. A. Ayala Solares and N. Bautista-Elivar and A. Becerril and E. Belmont-Moreno and S. Y. BenZvi and A. Bernal and J. Braun and K. S. Caballero-Mora and T. Capistrán and A. Carramiñana and M. Castillo and U. Cotti and C. De León and E. De la Fuente and R. Diaz Hernandez and B. L. Dingus and M. A. DuVernois and J. C. Díaz-Vélez and R. W. Ellsworth and D. W. Fiorino and N. Fraija and J. A. García-González and F. Garfias and M. M. González and J. A. Goodman and J. P. Harding and S. Hernandez and A. Hernandez-Almada and A. Iriarte and V. Joshi and S. Kaufmann and D. Kieda and R. J. Lauer and D. Lennarz and H. León Vargas and J. T. Linnemann and A. L. Longinotti and G. Luis Raya and R. López-Coto and K. Malone and S. S. Marinelli and I. Martinez-Castellanos and J. Martínez-Castro and H. Martínez-Huerta and J. A. Matthews and P. Miranda-Romagnoli and E. Moreno and L. Nellen and M. Newbold and M. U. Nisa and R. Noriega-Papaqui and R. Pelayo and J. Pretz and E. G. Pérez-Pérez and Z. Ren and C. D. Rho and C. Rivière and D. Rosa-González and E. Ruiz-Velasco and F. Salesa Greus and A. Sandoval and M. Schneider and H. Schoorlemmer and G. Sinnis and A. J. Smith and R. W. Springer and P. Surajbali and I. Taboada and O. Tibolla and K. Tollefson and I. Torres and T. Weisgarber and T. Yapici and H. Zhou},
journal= {arXiv preprint arXiv:1706.01277},
year = {2018}
}
备注
18 pages, 6 figures, 2 tables