利用H.E.S.S.对宇宙线电子谱的高统计测量
高能天体物理现象
2024-11-26 v1
摘要
由于其快速冷却率及因此导致的损耗限制传播距离，极高能量下的宇宙线电子和正电子（CRe）探测局部宇宙线加速器，并为暗物质粒子湮灭等奇异产生机制提供约束。我们利用高能立体望远镜系统（H.E.S.S.）呈现了从0.3到40 TeV的CRe候选事件谱的高统计测量，覆盖了两个数量级的能量范围，并达到了优于的质子抑制能力。测量谱可用折幂律很好地描述，在约1 TeV处有一个折点，谱指数从（统计）（系统）增加到（统计）（系统）。除折点外，谱无其他特征。多TeV能量下缺乏明显特征，对附近CRe加速器的存在和局部CRe传播机制施加了约束。
引用
@article{arxiv.2411.08189,
title = {High-Statistics Measurement of the Cosmic-Ray Electron Spectrum with H.E.S.S},
author = {F. Aharonian and F. Ait Benkhali and J. Aschersleben and H. Ashkar and M. Backes and V. Barbosa Martins and R. Batzofin and Y. Becherini and D. Berge and K. Bernlöhr and B. Bi and M. Böttcher and C. Boisson and J. Bolmont and M. de Bony de Lavergne and J. Borowska and M. Bouyahiaoui and R. Brose and A. Brown and F. Brun and B. Bruno and T. Bulik and C. Burger-Scheidlin and T. Bylund and S. Casanova and J. Celic and M. Cerruti and T. Chand and S. Chandra and A. Chen and J. Chibueze and O. Chibueze and T. Collins and G. Cotter and J. Damascene Mbarubucyeye and J. Devin and J. Djuvsland and A. Dmytriiev and K. Egberts and S. Einecke and J. -P. Ernenwein and S. Fegan and K. Feijen and G. Fontaine and S. Funk and S. Gabici and Y. A. Gallant and J. F. Glicenstein and J. Glombitza and G. Grolleron and B. Heß and W. Hofmann and T. L. Holch and M. Holler and D. Horns and Zhiqiu Huang and M. Jamrozy and F. Jankowsky and V. Joshi and I. Jung-Richardt and E. Kasai and K. Katarzynski and D. Kerszberg and R. Khatoon and B. Khelifi and W. Kluzniak and Nu. Komin and K. Kosack and D. Kostunin and A. Kundu and R. G. Lang and S. Le Stum and F. Leitl and A. Lemiere and M. Lemoine-Goumard and J. -P. Lenain and F. Leuschner and A. Luashvili and J. Mackey and D. Malyshev and D. Malyshev and V. Marandon and P. Marinos and G. Marti-Devesa and R. Marx and M. Meyer and A. Mitchell and R. Moderski and M. O. Moghadam and L. Mohrmann and A. Montanari and E. Moulin and M. de Naurois and J. Niemiec and S. Ohm and L. Olivera-Nieto and E. de Ona Wilhelmi and M. Ostrowski and S. Panny and M. Panter and D. Parsons and U. Pensec and G. Peron and G. Pühlhofer and M. Punch and A. Quirrenbach and S. Ravikularaman and M. Regeard and A. Reimer and O. Reimer and I. Reis and H. Ren and B. Reville and F. Rieger and G. Rowell and B. Rudak and E. Ruiz-Velasco and V. Sahakian and H. Salzmann and A. Santangelo and M. Sasaki and J. Schäfer and F. Schüssler and H. M. Schutte and J. N. S. Shapopi and A. Sharma and H. Sol and S. Spencer and L. Stawarz and S. Steinmassl and C. Steppa and H. Suzuki and T. Takahashi and T. Tanaka and A. M. Taylor and R. Terrier and M. Tsirou and C. van Eldik and M. Vecchi and C. Venter and J. Vink and T. Wach and S. J. Wagner and A. Wierzcholska and M. Zacharias and A. A. Zdziarski and A. Zech and N. Zywucka},
journal= {arXiv preprint arXiv:2411.08189},
year = {2024}
}
备注
main paper: 8 pages, 4 figures, supplemental material: 12 pages, 14 figures, accepted for publication in Physical Review Letters https://journals.aps.org/prl/