利用 Pierre Auger 观测台对 EeV 光子点源的定向搜索
高能天体物理现象
2017-03-22 v2 高能物理 - 唯象学
摘要
利用 Pierre Auger 观测台的荧光探测器与地面探测器对大气簇射的同步测量，可对 EeV 光子点源进行灵敏搜索。为减少盲搜中多次试验带来的统计惩罚，将若干银河系内与银河系外候选天体按类别分组，并分析其相对于背景期望的显著超出。本次搜索未在候选源处发现任何光子辐射的证据，并报告了每个类别的组合 值。给出了选定候选源的粒子通量与能量通量上限。这些限制显著约束了来自非暂现银河系源与邻近银河系外源的 EeV 质子辐射模型的预测，如以银河系中心区域为例所示。
引用
@article{arxiv.1612.04155,
title = {A targeted search for point sources of EeV photons with the Pierre Auger Observatory},
author = {The Pierre Auger Collaboration and A. Aab and P. Abreu and M. Aglietta and I. Al Samarai and I. F. M. Albuquerque and I. Allekotte and A. Almela and J. Alvarez Castillo and J. Alvarez-Muñiz and G. A. Anastasi and L. Anchordoqui and B. Andrada and S. Andringa and C. Aramo and F. Arqueros and N. Arsene and H. Asorey and P. Assis and J. Aublin and G. Avila and A. M. Badescu and A. Balaceanu and R. J. Barreira Luz and J. J. Beatty and K. H. Becker and J. A. Bellido and C. Berat and M. E. Bertaina and X. Bertou and P. L. Biermann and P. Billoir and J. Biteau and S. G. Blaess and A. Blanco and J. Blazek and C. Bleve and M. Boháčová and D. Boncioli and C. Bonifazi and N. Borodai and A. M. Botti and J. Brack and I. Brancus and T. Bretz and A. Bridgeman and F. L. Briechle and P. Buchholz and A. Bueno and S. Buitink and M. Buscemi and K. S. Caballero-Mora and L. Caccianiga and A. Cancio and F. Canfora and L. Caramete and R. Caruso and A. Castellina and G. Cataldi and L. Cazon and A. 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journal= {arXiv preprint arXiv:1612.04155},
year = {2017}
}
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Published version