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DOI 10.1103/p4l5-hxlf

Медицинская библиотека · Physical review letters · 2025

Energy Spectrum of Ultrahigh-Energy Cosmic Rays across Declinations -90° to +44.8° as Measured at the Pierre Auger Observatory.

Abdul Halim A, Abreu P, Aglietta M, Allekotte I, Almeida Cheminant K, Almela A, Aloisio R, Alvarez-Muñiz J, Ambrosone A, Ammerman Yebra J, Anastasi G A, Anchordoqui L, Andrada B, Andrade Dourado L, Andringa S, Apollonio L, Aramo C, Arnone E, Arteaga Velázquez J C, Assis P, Avila G, Avocone E, Bakalova A, Barbato F, Bartz Mocellin A, Bellido J A, Berat C, Bertaina M E, Bianciotto M, Biermann P L, Binet V, Bismark K, Bister T, Biteau J, Blazek J, Blümer J, Boháčová M, Boncioli D, Bonifazi C, Bonneau Arbeletche L, Borodai N, Brack J, Brichetto Orchera P G, Briechle F L, Bueno A, Buitink S, Buscemi M, Büsken M, Bwembya A, Caballero-Mora K S, Cabana-Freire S, Caccianiga L, Campuzano F, Caraça-Valente J, Caruso R, Castellina A, Catalani F, Cataldi G, Cazon L, Cerda M, Čermáková B, Cermenati A, Chinellato J A, Chudoba J, Chytka L, Clay R W, Cobos Cerutti A C, Colalillo R, Conceição R, Consolati G, Conte M, Convenga F, Correia Dos Santos D, Costa P J, Covault C E, Cristinziani M, Cruz Sanchez C S, Dasso S, Daumiller K, Dawson B R, de Almeida R M, de Boone E-T, de Errico B, de Jesús J, de Jong S J, de Mello Neto J R T, De Mitri I, de Oliveira J, de Oliveira Franco D, de Palma F, de Souza V, De Vito E, Del Popolo A, Deligny O, Denner N, Deval L, di Matteo A, Dobrigkeit C, D'Olivo J C, Domingues Mendes L M, Dorosti Q, Dos Anjos J C, Dos Anjos R C, Ebr J, Ellwanger F, Engel R, Epicoco I, Erdmann M, Etchegoyen A, Evoli C, Falcke H, Farrar G, Fauth A C, Fehler T, Feldbusch F, Fernandes A, Fernandez M, Fick B, Figueira J M, Filip P, Filipčič A, Fitoussi T, Flaggs B, Fodran T, Franco A, Freitas M, Fujii T, Fuster A, Galea C, García B, Gaudu C, Ghia P L, Giaccari U, Gobbi F, Gollan F, Golup G, Gómez Berisso M, Gómez Vitale P F, Gongora J P, González J M, González N, Góra D, Gorgi A, Gottowik M, Guarino F, Guedes G P, Guido E, Gülzow L, Hahn S, Hamal P, Hampel M R, Hansen P, Harvey V M, Haungs A, Hebbeker T, Hojvat C, Hörandel J R, Horvath P, Hrabovský M, Huege T, Insolia A, Isar P G, Ismaiel M, Janecek P, Jilek V, Kampert K-H, Keilhauer B, Khakurdikar A, Kizakke Covilakam V V, Klages H O, Kleifges M, Köhler J, Krieger F, Kubatova M, Kunka N, Lago B L, Langner N, Leal N, Leigui de Oliveira M A, Lema-Capeans Y, Letessier-Selvon A, Lhenry-Yvon I, Lopes L, Lundquist J P, Mallamaci M, Mandat D, Mantsch P, Mariani F M, Mariazzi A G, Mariş I C, Marsella G, Martello D, Martinelli S, Martins M A, Mathes H-J, Matthews J, Matthiae G, Mayotte E, Mayotte S, Mazur P O, Medina-Tanco G, Meinert J, Melo D, Menshikov A, Merx C, Michal S, Micheletti M I, Miramonti L, Mogarkar M, Mollerach S, Montanet F, Morejon L, Mulrey K, Mussa R, Namasaka W M, Negi S, Nellen L, Nguyen K, Nicora G, Niechciol M, Nitz D, Nosek D, Novikov A, Novotny V, Nožka L, Nucita A, Núñez L A, Ochoa J, Oliveira C, Östman L, Palatka M, Pallotta J, Panja S, Parente G, Paulsen T, Pawlowsky J, Pech M, Pȩkala J, Pelayo R, Pelgrims V, Pereira L A S, Pereira Martins E E, Pérez Bertolli C, Perrone L, Petrera S, Petrucci C, Pierog T, Pimenta M, Platino M, Pont B, Pourmohammad Shahvar M, Privitera P, Priyadarshi C, Prouza M, Pytel K, Querchfeld S, Rautenberg J, Ravignani D, Reginatto Akim J V, Reuzki A, Ridky J, Riehn F, Risse M, Rizi V, Rodriguez E, Rodriguez Fernandez G, Rodriguez Rojo J, Rossoni S, Roth M, Roulet E, Rovero A C, Saftoiu A, Saharan M, Salamida F, Salazar H, Salina G, Sampathkumar P, San Martin N, Sanabria Gomez J D, Sánchez F, Santos E M, Santos E, Sarazin F, Sarmento R, Sato R, Savina P, Scherini V, Schieler H, Schimassek M, Schimp M, Schmidt D, Scholten O, Schoorlemmer H, Schovánek P, Schröder F G, Schulte J, Schulz T, Sciutto S J, Scornavacche M, Sedoski A, Segreto A, Sehgal S, Shivashankara S U, Sigl G, Simkova K, Simon F, Šmída R, Sommers P, Squartini R, Stadelmaier M, Stanič S, Stasielak J, Stassi P, Strähnz S, Straub M, Suomijärvi T, Supanitsky A D, Svozilikova Z, Syrokvas K, Szadkowski Z, Tairli F, Tambone M, Tapia A, Taricco C, Timmermans C, Tkachenko O, Tobiska P, Todero Peixoto C J, Tomé B, Travaini A, Travnicek P, Tueros M, Unger M, Uzeiroska R, Vaclavek L, Vacula M, Vaiman I, Valdés Galicia J F, Valore L, van Dillen P, Varela E, Vašíčková V, Vásquez-Ramírez A, Veberič D, Vergara Quispe I D, Verpoest S, Verzi V, Vicha J, Vink J, Vorobiov S, Vuta J B, Watanabe C, Watson A A, Weindl A, Weitz M, Wiencke L, Wilczyński H, Wundheiler B, Yue B, Yushkov A, Zas E, Zavrtanik D, Zavrtanik M, Pierre Auger Collaboration

СтатьяПеревод пока не подготовлен

Аннотация

The energy spectrum of cosmic rays above 2.5 EeV has been measured across the declination range -90°≤δ≤+44.8° using ∼310 000 events accrued at the Pierre Auger Observatory from an exposure of (104 900±3 100)  km^{2} sr yr. No significant variations of energy spectra with declination are observed, after allowing or not for nonuniformities across the sky arising from the well-established dipolar anisotropies in the arrival directions of ultrahigh-energy cosmic rays. The instep feature in the spectrum at ≃10  EeV reported previously is now established at a significance above 5σ. Within the statistics, the energy spectra are indistinguishable across declinations so disfavoring an origin for the instep from a few distinctive sources.

Для цитирования: Abdul Halim A, Abreu P, Aglietta M, Allekotte I, Almeida Cheminant K, Almela A, Aloisio R, Alvarez-Muñiz J, Ambrosone A, Ammerman Yebra J, Anastasi G A, Anchordoqui L, Andrada B, Andrade Dourado L, Andringa S, Apollonio L, Aramo C, Arnone E, Arteaga Velázquez J C, Assis P, Avila G, Avocone E, Bakalova A, Barbato F, Bartz Mocellin A, Bellido J A, Berat C, Bertaina M E, Bianciotto M, Biermann P L, Binet V, Bismark K, Bister T, Biteau J, Blazek J, Blümer J, Boháčová M, Boncioli D, Bonifazi C, Bonneau Arbeletche L, Borodai N, Brack J, Brichetto Orchera P G, Briechle F L, Bueno A, Buitink S, Buscemi M, Büsken M, Bwembya A, Caballero-Mora K S, Cabana-Freire S, Caccianiga L, Campuzano F, Caraça-Valente J, Caruso R, Castellina A, Catalani F, Cataldi G, Cazon L, Cerda M, Čermáková B, Cermenati A, Chinellato J A, Chudoba J, Chytka L, Clay R W, Cobos Cerutti A C, Colalillo R, Conceição R, Consolati G, Conte M, Convenga F, Correia Dos Santos D, Costa P J, Covault C E, Cristinziani M, Cruz Sanchez C S, Dasso S, Daumiller K, Dawson B R, de Almeida R M, de Boone E-T, de Errico B, de Jesús J, de Jong S J, de Mello Neto J R T, De Mitri I, de Oliveira J, de Oliveira Franco D, de Palma F, de Souza V, De Vito E, Del Popolo A, Deligny O, Denner N, Deval L, di Matteo A, Dobrigkeit C, D'Olivo J C, Domingues Mendes L M, Dorosti Q, Dos Anjos J C, Dos Anjos R C, Ebr J, Ellwanger F, Engel R, Epicoco I, Erdmann M, Etchegoyen A, Evoli C, Falcke H, Farrar G, Fauth A C, Fehler T, Feldbusch F, Fernandes A, Fernandez M, Fick B, Figueira J M, Filip P, Filipčič A, Fitoussi T, Flaggs B, Fodran T, Franco A, Freitas M, Fujii T, Fuster A, Galea C, García B, Gaudu C, Ghia P L, Giaccari U, Gobbi F, Gollan F, Golup G, Gómez Berisso M, Gómez Vitale P F, Gongora J P, González J M, González N, Góra D, Gorgi A, Gottowik M, Guarino F, Guedes G P, Guido E, Gülzow L, Hahn S, Hamal P, Hampel M R, Hansen P, Harvey V M, Haungs A, Hebbeker T, Hojvat C, Hörandel J R, Horvath P, Hrabovský M, Huege T, Insolia A, Isar P G, Ismaiel M, Janecek P, Jilek V, Kampert K-H, Keilhauer B, Khakurdikar A, Kizakke Covilakam V V, Klages H O, Kleifges M, Köhler J, Krieger F, Kubatova M, Kunka N, Lago B L, Langner N, Leal N, Leigui de Oliveira M A, Lema-Capeans Y, Letessier-Selvon A, Lhenry-Yvon I, Lopes L, Lundquist J P, Mallamaci M, Mandat D, Mantsch P, Mariani F M, Mariazzi A G, Mariş I C, Marsella G, Martello D, Martinelli S, Martins M A, Mathes H-J, Matthews J, Matthiae G, Mayotte E, Mayotte S, Mazur P O, Medina-Tanco G, Meinert J, Melo D, Menshikov A, Merx C, Michal S, Micheletti M I, Miramonti L, Mogarkar M, Mollerach S, Montanet F, Morejon L, Mulrey K, Mussa R, Namasaka W M, Negi S, Nellen L, Nguyen K, Nicora G, Niechciol M, Nitz D, Nosek D, Novikov A, Novotny V, Nožka L, Nucita A, Núñez L A, Ochoa J, Oliveira C, Östman L, Palatka M, Pallotta J, Panja S, Parente G, Paulsen T, Pawlowsky J, Pech M, Pȩkala J, Pelayo R, Pelgrims V, Pereira L A S, Pereira Martins E E, Pérez Bertolli C, Perrone L, Petrera S, Petrucci C, Pierog T, Pimenta M, Platino M, Pont B, Pourmohammad Shahvar M, Privitera P, Priyadarshi C, Prouza M, Pytel K, Querchfeld S, Rautenberg J, Ravignani D, Reginatto Akim J V, Reuzki A, Ridky J, Riehn F, Risse M, Rizi V, Rodriguez E, Rodriguez Fernandez G, Rodriguez Rojo J, Rossoni S, Roth M, Roulet E, Rovero A C, Saftoiu A, Saharan M, Salamida F, Salazar H, Salina G, Sampathkumar P, San Martin N, Sanabria Gomez J D, Sánchez F, Santos E M, Santos E, Sarazin F, Sarmento R, Sato R, Savina P, Scherini V, Schieler H, Schimassek M, Schimp M, Schmidt D, Scholten O, Schoorlemmer H, Schovánek P, Schröder F G, Schulte J, Schulz T, Sciutto S J, Scornavacche M, Sedoski A, Segreto A, Sehgal S, Shivashankara S U, Sigl G, Simkova K, Simon F, Šmída R, Sommers P, Squartini R, Stadelmaier M, Stanič S, Stasielak J, Stassi P, Strähnz S, Straub M, Suomijärvi T, Supanitsky A D, Svozilikova Z, Syrokvas K, Szadkowski Z, Tairli F, Tambone M, Tapia A, Taricco C, Timmermans C, Tkachenko O, Tobiska P, Todero Peixoto C J, Tomé B, Travaini A, Travnicek P, Tueros M, Unger M, Uzeiroska R, Vaclavek L, Vacula M, Vaiman I, Valdés Galicia J F, Valore L, van Dillen P, Varela E, Vašíčková V, Vásquez-Ramírez A, Veberič D, Vergara Quispe I D, Verpoest S, Verzi V, Vicha J, Vink J, Vorobiov S, Vuta J B, Watanabe C, Watson A A, Weindl A, Weitz M, Wiencke L, Wilczyński H, Wundheiler B, Yue B, Yushkov A, Zas E, Zavrtanik D, Zavrtanik M, Pierre Auger Collaboration. Energy Spectrum of Ultrahigh-Energy Cosmic Rays across Declinations -90° to +44.8° as Measured at the Pierre Auger Observatory.. Physical review letters. 2025. DOI: 10.1103/p4l5-hxlf.
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