利用皮埃尔·奥格天文台的工程射电阵列进行宇宙线能量估计
高能天体物理现象
2016-06-21 v2 天体物理仪器与方法
摘要
Auger工程射电阵列(AERA)是皮埃尔·奥格天文台的一部分，用于探测宇宙线空气簇射的射电辐射。这些观测与天文台表面探测器站的数据进行比较，后者提供关于宇宙线能量和到达方向的良好校准信息。射电站在30至80 MHz频段的响应已彻底校准，以重建入射电场。对于后者，每个观测位置的射电脉冲确定单位面积能量沉积，并使用考虑地磁和电荷过剩辐射分量之间干涉导致信号不对称的二维函数进行插值。信号分布的空间积分直接测量了初级宇宙线在AERA频率范围内转移到射电辐射的能量。我们测量到垂直于地磁场到达的1 EeV空气簇射的辐射能量为15.8 MeV。该辐射能量——经几何效应校正后——被用作宇宙线能量估计量。根据表面探测器信息进行绝对能量校准，我们观察到该射电能量估计量随宇宙线能量二次方缩放，正如相干辐射所预期的那样。对于数据集我们得到射电重建的能量分辨率为22%，对于仅包含至少五个有信号射电站事件的高质量子集为17%。
引用
@article{arxiv.1508.04267,
title = {Energy Estimation of Cosmic Rays with the Engineering Radio Array of the Pierre Auger Observatory},
author = {The Pierre Auger Collaboration and Alexander Aab and Pedro Abreu and Marco Aglietta and Eun-Joo Ahn and Imen Al Samarai and Ivone Albuquerque and Ingomar Allekotte and Patrick Allison and Alejandro Almela and Jesus Alvarez Castillo and Jaime Alvarez-Muñiz and Rafael Alves Batista and Michelangelo Ambrosio and Amin Aminaei and Gioacchino Alex Anastasi and Luis Anchordoqui and Sofia Andringa and Carla Aramo and Fernando Arqueros and Nicusor Arsene and Hernán Gonzalo Asorey and Pedro Assis and Julien Aublin and Gualberto Avila and Nafiun Awal and Alina Mihaela Badescu and Colin Baus and Jim Beatty and Karl Heinz Becker and Jose A. Bellido and Corinne Berat and Mario Edoardo Bertaina and Xavier Bertou and Peter Biermann and Pierre Billoir and Simon G. Blaess and Alberto Blanco and Miguel Blanco and Jiri Blazek and Carla Bleve and Hans Blümer and Martina Boháčová and Denise Boncioli and Carla Bonifazi and Nataliia Borodai and Jeffrey Brack and Iliana Brancus and Thomas Bretz and Ariel Bridgeman and Pedro Brogueira and Peter Buchholz and Antonio Bueno and Stijn Buitink and Mario Buscemi and Karen S. Caballero-Mora and Barbara Caccianiga and Lorenzo Caccianiga and Marina Candusso and Laurentiu Caramete and Rossella Caruso and Antonella Castellina and Gabriella Cataldi and Lorenzo Cazon and Rosanna Cester and Alan G. Chavez and Andrea Chiavassa and Jose Augusto Chinellato and Jiri Chudoba and Marco Cilmo and Roger W Clay and Giuseppe Cocciolo and Roberta Colalillo and Alan Coleman and Laura Collica and Maria Rita Coluccia and Ruben Conceição and Fernando Contreras and Mathew J. Cooper and Alain Cordier and Stephane Coutu and Corbin Covault and James Cronin and Richard Dallier and Bruno Daniel and Sergio Dasso and Kai Daumiller and Bruce R. Dawson and Rogerio M. de Almeida and Sijbrand J. de Jong and Giuseppe De Mauro and Joao de Mello Neto and Ivan De Mitri and Jaime de Oliveira and Vitor de Souza and Luis del Peral and Olivier Deligny and Niraj Dhital and Claudio Di Giulio and Armando Di Matteo and Johana Chirinos Diaz and Mary Lucia Díaz Castro and Francisco Diogo and Carola Dobrigkeit and Wendy Docters and Juan Carlos D'Olivo and Alexei Dorofeev and Qader Dorosti Hasankiadeh and Rita dos Anjos and Maria Teresa Dova and Jan Ebr and Ralph Engel and Martin Erdmann and Mona Erfani and Carlos O. Escobar and Joao Espadanal and Alberto Etchegoyen and Heino Falcke and Ke Fang and Glennys Farrar and Anderson Fauth and Norberto Fazzini and Andrew P. 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Hill and Carlos Hojvat and Nicholas Hollon and Ewa Holt and Piotr Homola and Jörg Hörandel and Pavel Horvath and Miroslav Hrabovský and Daniel Huber and Tim Huege and Antonio Insolia and Paula Gina Isar and Ingolf Jandt and Stefan Jansen and Cecilia Jarne and Jeffrey A. 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Srivastava and Denis Stanca and Samo Stanič and James Stapleton and Jaroslaw Stasielak and Maurice Stephan and Anne Stutz and Federico Suarez and Mauricio Suarez Durán and Tiina Suomijärvi and A. Daniel Supanitsky and Michael Sutherland and John Swain and Zbigniew Szadkowski and Oscar Alejandro Taborda and Alex Tapia and Andreas Tepe and Vanessa Menezes Theodoro and Omar Tibolla and Charles Timmermans and Carlos J. Todero Peixoto and Gabriel Toma and Lenka Tomankova and Bernardo Tomé and Aurelio Tonachini and Guillermo Torralba Elipe and Diego Torres Machado and Petr Travnicek and Marta Trini and Ralf Ulrich and Michael Unger and Martin Urban and Jose F. Valdés Galicia and Ines Valiño and Laura Valore and Guus van Aar and Patrick van Bodegom and Ad M. van den Berg and Sjoert van Velzen and Arjen van Vliet and Enrique Varela and Bernardo Vargas Cárdenas and Gary Varner and Rafael Vasquez and Jose R. Vázquez and Ricardo Vázquez and Darko Veberič and Valerio Verzi and Jakub Vicha and Mariela Videla and Luis Villaseñor and Brian Vlcek and Serguei Vorobiov and Hernan Wahlberg and Oscar Wainberg and David Walz and Alan Watson and Marc Weber and Klaus Weidenhaupt and Andreas Weindl and Christoph Welling and Felix Werner and Allan Widom and Lawrence Wiencke and Henryk Wilczyński and Tobias Winchen and David Wittkowski and Brian Wundheiler and Sarka Wykes and Lili Yang and Tolga Yapici and Alexey Yushkov and Enrique Zas and Danilo Zavrtanik and Marko Zavrtanik and Arnulfo Zepeda and Benedikt Zimmermann and Michael Ziolkowski and Francesca Zuccarello},
journal= {arXiv preprint arXiv:1508.04267},
year = {2016}
}
备注
Replaced with published version. Added journal reference and DOI