利用银河漫射射电辐射对 Auger 工程射电阵列稳定性进行长期标定与验证
天体物理仪器与方法
2025-12-04 v1
摘要
Auger 工程射电阵列 (AERA) 用于探测来自高能广延空气喇叭的射电辐射。该阵列由 153 个自主射电探测站组成，覆盖面积为 \,km²，探测频率范围为 至 \,MHz。准确表征探测器响应对于正确解释采集的数据至关重要。以往方法通过实验室测量模拟链和天线方向响应进行标定。本文利用银河漫射射电辐射的持续监测的星岁偏移进行绝对标定。通过将各探测站记录的平均频谱与来自七种完整射电天空模型的预测进行比较，标定过程考虑了包括天线、滤波器和放大器在内的系统响应。对标定常数在七年期间的分析显示，AERA 天线不存在显著且无关紧要的老化效应。这一结果确认了探测站的长期稳定性，并证明了射电探测器可有效监测其他在长期运行的探测器的老化效应。
引用
@article{arxiv.2512.03692,
title = {Long-term calibration and validation of stability of the Auger Engineering Radio Array using the diffuse Galactic radio emission},
author = {The Pierre Auger Collaboration and A. Abdul Halim and P. Abreu and M. Aglietta and I. Allekotte and K. Almeida Cheminant and R. Aloisio and J. Alvarez-Muñiz and A. Ambrosone and J. Ammerman Yebra and L. Anchordoqui and B. Andrada and L. Andrade Dourado and L. Apollonio and C. Aramo and E. Arnone and J. C. Arteaga Velázquez and P. Assis and G. Avila and E. Avocone and A. Bakalova and Y. Balibrea and A. Baluta and F. Barbato and A. Bartz Mocellin and J. P. Behler and C. Berat and M. E. Bertaina and M. Bianciotto and P. L. Biermann and V. Binet and K. Bismark and T. Bister and J. Biteau and J. Blazek and J. Blümer and M. Boháčová and D. Boncioli and C. Bonifazi and N. Borodai and J. Brack and P. G. Brichetto Orquera and A. Bueno and S. Buitink and M. Büsken and A. Bwembya and K. S. Caballero-Mora and S. Cabana-Freire and L. Caccianiga and J. Caraça-Valente and R. Caruso and A. Castellina and F. Catalani and G. Cataldi and L. Cazon and M. Cerda and B. Čermáková and A. Cermenati and K. Cerny and J. A. Chinellato and J. Chudoba and L. Chytka and R. W. Clay and A. C. Cobos Cerutti and R. Colalillo and R. Conceição and G. Consolati and M. Conte and F. Convenga and D. Correia dos Santos and P. J. Costa and C. E. Covault and M. Cristinziani and C. S. Cruz Sanchez and S. Dasso and K. Daumiller and B. R. Dawson and R. M. de Almeida and E. -T. de Boone and B. de Errico and J. de Jesús and S. J. de Jong and J. R. T. de Mello Neto and I. De Mitri and D. de Oliveira Franco and F. de Palma and V. de Souza and E. De Vito and A. Del Popolo and O. Deligny and N. Denner and K. Denner Syrokvas and L. Deval and A. di Matteo and C. Dobrigkeit and J. C. D'Olivo and L. M. Domingues Mendes and Y. Dominguez Ballesteros and Q. Dorosti and R. C. dos Anjos and J. Ebr and F. Ellwanger and R. Engel and I. Epicoco and M. Erdmann and A. Etchegoyen and C. Evoli and H. Falcke and G. Farrar and A. C. Fauth and T. Fehler and F. Feldbusch and A. Fernandes and M. 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journal= {arXiv preprint arXiv:2512.03692},
year = {2025}
}
备注
20 pages, 9 figures, 2 tables