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“Ultra-High-Energy Cosmic-Rays (UHECR): at the Intersection of the Cosmic and Energy Frontiers” -- Overview of the Snowmass UHECR white paper and roadmap

F. Sarazin,Alan Coleman,Johannes Eser,Eric William Mayotte,Frederic Schroeder,D. Soldin,Tonia M. Venters,Roberto Aloisio,J. Álvarez-Muñiz,Rafael Alves Batista,Douglas Bergman,M. Bertaina,L. Caccianiga,O. Deligny,Hans Peter Dembinski,P.B. Denton,A. di Matteo,Noémie Globus,J. Glombitza,G. Golup,A. Haungs,J. R. Hoerandel,T. R. Jaffe,J.L. Kelley,John F. Krizmanic,Lu Lu,J. N. Matthews,Ioana Codrina Maris,R. Mussa,Foteini Oikonomou,T. Pierog,Eva Santos,P. Tinyakov,Y. Tsunesada,Michael Unger,A. N. Yushkov,Michael Albrow,Luis A. Anchordoqui,K. Andeen,Enrico Arnone,D. Barghini,E. Bechtol,J. A. Bellido,M. Casolino,A. Castellina,L. Cazón,R. Conceição,R. Cremonini,H. Dujmovic,R. Engel,Glennys R. Farrar,Francesco Fenu,S. Ferrarese,Toshihiro Fujii,D. Gardiol,Maria Gritsevich,P. Homola,T. Huege,K.–H. Kampert,D. Kang,E. Kido,П. А. Климов,Kumiko Kotera,B. V. Kozelov,Agnieszka Leszczyńska,J. Madsen,L. Marcelli,M. Marisaldi,O. Martineau‐Huynh,S. Mayotte,K. Mulrey,Kohta Murase,Marco Stein Muzio,S. Ogio,Angela V. Olinto,Yasar Onel,T. Paul,L. W. Piotrowski,M. Plum,Bjarni Pont,M. Reininghaus,B. Riedel,Felix Riehn,Markus Roth,Takashi Sako,Felix Schlueter,D. H. Shoemaker,Jagjit Singh Sidhu,I. Sidelnik,C. Timmermans,O. Tkachenko,D. Veberič,Stef Verpoest,V. Verzi,J. Vicha,D. Winn,E. Zas,M. Yu. Zotov

Cosmic ray

Astroparticle physics

Physics

2023

As part of the US "Snowmass" community planning exercise, the UHECR community has come together to write a comprehensive white paper discussing the recent progress and open questions of the field, as they relate to the overarching goals of particle and astroparticle physics. The document outlines strategies and recommendations for answering these questions over the next two decades. It also proposes an integrated timeline, which considers the progress expected to be achieved by the upgraded Pierre Auger Observatory and Telescope Array experiment in this decade, and the need for a set of complementary next-generation experiments combining high-accuracy measurements (GCOS, IceCube-Gen2 with its surface array) and very high exposure at the highest energies (GRAND, POEMMA) in the next decade. The resulting document, entitled "Ultra-High Energy Cosmic-Rays: at the Intersection of the Cosmic and Energy Frontiers", appears as a special issue of Astroparticle Physics (Astropart.Phys. 149 (2023) 102819 – arXiv:2205.05845). This contribution provides a summary of the document with a focus on (selected) recommendations and proposed roadmap.

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““Ultra-High-Energy Cosmic-Rays (UHECR): at the Intersection of the Cosmic and Energy Frontiers” -- Overview of the Snowmass UHECR white paper and roadmap” is a paper by F. Sarazin Alan Coleman Johannes Eser Eric William Mayotte Frederic Schroeder D. Soldin Tonia M. Venters Roberto Aloisio J. Álvarez-Muñiz Rafael Alves Batista Douglas Bergman M. Bertaina L. Caccianiga O. Deligny Hans Peter Dembinski P.B. Denton A. di Matteo Noémie Globus J. Glombitza G. Golup A. Haungs J. R. Hoerandel T. R. Jaffe J.L. Kelley John F. Krizmanic Lu Lu J. N. Matthews Ioana Codrina Maris R. Mussa Foteini Oikonomou T. Pierog Eva Santos P. Tinyakov Y. Tsunesada Michael Unger A. N. Yushkov Michael Albrow Luis A. Anchordoqui K. Andeen Enrico Arnone D. Barghini E. Bechtol J. A. Bellido M. Casolino A. Castellina L. Cazón R. Conceição R. Cremonini H. Dujmovic R. Engel Glennys R. Farrar Francesco Fenu S. Ferrarese Toshihiro Fujii D. Gardiol Maria Gritsevich P. Homola T. Huege K.–H. Kampert D. Kang E. Kido П. А. Климов Kumiko Kotera B. V. Kozelov Agnieszka Leszczyńska J. Madsen L. Marcelli M. Marisaldi O. Martineau‐Huynh S. Mayotte K. Mulrey Kohta Murase Marco Stein Muzio S. Ogio Angela V. Olinto Yasar Onel T. Paul L. W. Piotrowski M. Plum Bjarni Pont M. Reininghaus B. Riedel Felix Riehn Markus Roth Takashi Sako Felix Schlueter D. H. Shoemaker Jagjit Singh Sidhu I. Sidelnik C. Timmermans O. Tkachenko D. Veberič Stef Verpoest V. Verzi J. Vicha D. Winn E. Zas M. Yu. Zotov published in 2023. It has an Open Access status of “hybrid”. You can read and download a PDF Full Text of this paper here.