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Cosmic-Ray Anisotropies in Right Ascension Measured by the Pierre Auger Observatory

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Author
Aab A.
Abreu P.
Aglietta M.
Albuquerque I.F.M.
Albury J.M.
Allekotte I.
Almela A.
Castillo J.A.
Alvarez-Muiz J.
Anastasi G.A.
Anchordoqui L.
Andrada B.
Andringa S.
Aramo C.
Ferreira P.R.A.
Asorey H.
Assis P.
Avila G.
Badescu A.M.
Bakalova A.
Balaceanu A.
Barbato F.
Luz R.J.B.
Becker K.H.
Bellido J.A.
Berat C.
Bertaina M.E.
Bertou X.
Biermann P.L.
Bister T.
Biteau J.
Blanco A.
Blazek J.
Bleve C.
Boháčová M.
Boncioli D.
Bonifazi C.
Arbeletche L.B.
Borodai N.
Botti A.M.
Brack J.
Bretz T.
Briechle F.L.
Buchholz P.
Bueno A.
Buitink S.
Buscemi M.
Caballero-Mora K.S.
Caccianiga L.
Calcagni L.
Cancio A.
Canfora F.
Caracas I.
Carceller J.M.
Caruso R.
Castellina A.
Catalani F.
Cataldi G.
Cazon L.
Cerda M.
Chinellato J.A.
Choi K.
Chudoba J.
Chytka L.
Clay R.W.
Cerutti A.C.C.
Colalillo R.
Coleman A.
Coluccia M.R.
Conceica¸õ R.
Condorelli A.
Consolati G.
Contreras F.
Convenga F.
Covault C.E.
Dasso S.
Daumiller K.
Dawson B.R.
Day J.A.
De Almeida R.M.
De Jesús J.
De Jong S.J.
De Mauro G.
De Mello Neto J.R.T.
De Mitri I.
De Oliveira J.
De Oliveira Franco D.
De Souza V.
Debatin J.
Del Rió M.
Deligny O.
Dhital N.
Di Matteo A.
Castro M.L.D.
Dobrigkeit C.
D'Olivo J.C.
Dorosti Q.
Dos Anjos R.C.
Dova M.T.
Ebr J.
Engel R.
Epicoco I.
Erdmann M.
Escobar C.O.
Etchegoyen A.
Falcke H.
Farmer J.
Farrar G.
Fauth A.C.
Fazzini N.
Feldbusch F.
Fenu F.
Fick B.
Figueira J.M.
Filipčič A.
Freire M.M.
Fujii T.
Fuster A.
Galea C.
Galelli C.
Garciá B.
Vegas A.L.G.
Gemmeke H.
Gesualdi F.
Gherghel-Lascu A.
Ghia P.L.
Giaccari U.
Giammarchi M.
Giller M.
Glombitza J.
Gobbi F.
Golup G.
Berisso M.G.
Vitale P.F.G.
Gongora J.P.
González N.
Goos I.
Góra D.
Gorgi A.
Gottowik M.
Grubb T.D.
Guarino F.
Guedes G.P.
Guido E.
Hahn S.
Halliday R.
Hampel M.R.
Hansen P.
Harari D.
Harvey V.M.
Haungs A.
Hebbeker T.
Heck D.
Hill G.C.
Hojvat C.
Hörandel J.R.
Horvath P.
Hrabovský M.
Huege T.
Hulsman J.
Insolia A.
Isar P.G.
Johnsen J.A.
Jurysek J.
Kaä¨pä A.
Kampert K.H.
Keilhauer B.
Kemp J.
Klages H.O.
Kleifges M.
Kleinfeller J.
Köpke M.
Mezek G.K.
Awad A.K.
Lago B.L.
Lahurd D.
Lang R.G.
Leigui De Oliveira M.A.
Lenok V.
Letessier-Selvon A.
Lhenry-Yvon I.
Presti D.L.
Lopes L.
López R.
Casado A.L.
Lorek R.
Luce Q.
Lucero A.
Payeras A.M.
Malacari M.
Mancarella G.
Mandat D.
Manning B.C.
Manshanden J.
Mantsch P.
Mariazzi A.G.
Mariş I.C.
Marsella G.
Martello D.
Martinez H.
Bravo O.M.
Mastrodicasa M.
Mathes H.J.
Matthews J.
Matthiae G.
Mayotte E.
Mazur P.O.
Medina-Tanco G.
Melo D.
Menshikov A.
Merenda K.-D.
Michal S.
Micheletti M.I.
Miramonti L.
Mockler D.
Mollerach S.
Montanet F.
Morello C.
Morlino G.
Mostafá M.
Müller A.L.
Muller M.A.
Müller S.
Mussa R.
Muzio M.
Namasaka W.M.
Nellen L.
Niculescu-Oglinzanu M.
Niechciol M.
Nitz D.
Nosek D.
Novotny V.
Nožka L.
Nucita A.
Núez L.A.
Palatka M.
Pallotta J.
Panetta M.P.
Papenbreer P.
Parente G.
Parra A.
Pech M.
Pedreira F.
Pkala J.
Pelayo R.
Pea-Rodriguez J.
Pereira L.A.S.
Armand J.P.
Perlin M.
Perrone L.
Peters C.
Petrera S.
Pierog T.
Pimenta M.
Pirronello V.
Platino M.
Pont B.
Pothast M.
Privitera P.
Prouza M.
Puyleart A.
Querchfeld S.
Rautenberg J.
Ravignani D.
Reininghaus M.
Ridky J.
Riehn F.
Risse M.
Ristori P.
Rizi V.
Carvalho W.R.D.
Rojo J.R.
Roncoroni M.J.
Roth M.
Roulet E.
Rovero A.C.
Ruehl P.
Saffi S.J.
Saftoiu A.
Salamida F.
Salazar H.
Salina G.
Gomez J.D.S.
Sánchez F.
Santos E.M.
Santos E.
Sarazin F.
Sarmento R.
Sarmiento-Cano C.
Sato R.
Savina P.
Schäfer C.
Scherini V.
Schieler H.
Schimassek M.
Schimp M.
Schlüter F.
Schmidt D.
Scholten O.
Schovánek P.
Schröder F.G.
Schröder S.
Sciutto S.J.
Scornavacche M.
Shellard R.C.
Sigl G.
Silli G.
Sima O.
Šmída R.
Sommers P.
Soriano J.F.
Souchard J.
Squartini R.
Stadelmaier M.
Stanca D.
Stanič S.
Stasielak J.
Stassi P.
Streich A.
Suárez-Durán M.
Sudholz T.
Suomijärvi T.
Supanitsky A.D.
Šupík J.
Szadkowski Z.
Taboada A.
Taborda O.A.
Tapia A.
Timmermans C.
Tobiska P.
Peixoto C.J.T.
Tomé B.
Elipe G.T.
Travaini A.
Travnicek P.
Trimarelli C.
Trini M.
Tueros M.
Ulrich R.
Unger M.
Urban M.
Vaclavek L.
Galicia J.F.V.
Valio I.
Valore L.
Van Vliet A.
Varela E.
Cárdenas B.V.
Vásquez-Ramírez A.
Veberič D.
Ventura C.
Quispe I.D.V.
Verzi V.
Vicha J.
Villaseor L.
Vink J.
Vorobiov S.
Wahlberg H.
Watson A.A.
Weber M.
Weindl A.
Wiencke L.
Wilczyński H.
Winchen T.
Wirtz M.
Wittkowski D.
Wundheiler B.
Yushkov A.
Zas E.
Zavrtanik D.
Zavrtanik M.
Zehrer L.
Zepeda A.
Ziolkowski M.
Zuccarello F.

Citación

       
TY - GEN T1 - Cosmic-Ray Anisotropies in Right Ascension Measured by the Pierre Auger Observatory AU - Aab A. AU - Abreu P. AU - Aglietta M. AU - Albuquerque I.F.M. AU - Albury J.M. AU - Allekotte I. AU - Almela A. AU - Castillo J.A. AU - Alvarez-Muiz J. AU - Anastasi G.A. AU - Anchordoqui L. AU - Andrada B. AU - Andringa S. AU - Aramo C. AU - Ferreira P.R.A. AU - Asorey H. AU - Assis P. AU - Avila G. AU - Badescu A.M. AU - Bakalova A. AU - Balaceanu A. AU - Barbato F. AU - Luz R.J.B. AU - Becker K.H. AU - Bellido J.A. AU - Berat C. AU - Bertaina M.E. AU - Bertou X. AU - Biermann P.L. AU - Bister T. AU - Biteau J. AU - Blanco A. AU - Blazek J. AU - Bleve C. AU - Boháčová M. AU - Boncioli D. AU - Bonifazi C. AU - Arbeletche L.B. AU - Borodai N. AU - Botti A.M. AU - Brack J. AU - Bretz T. AU - Briechle F.L. AU - Buchholz P. AU - Bueno A. AU - Buitink S. AU - Buscemi M. AU - Caballero-Mora K.S. AU - Caccianiga L. AU - Calcagni L. AU - Cancio A. AU - Canfora F. AU - Caracas I. AU - Carceller J.M. AU - Caruso R. AU - Castellina A. AU - Catalani F. AU - Cataldi G. AU - Cazon L. AU - Cerda M. AU - Chinellato J.A. AU - Choi K. AU - Chudoba J. AU - Chytka L. AU - Clay R.W. AU - Cerutti A.C.C. AU - Colalillo R. AU - Coleman A. AU - Coluccia M.R. AU - Conceica¸õ R. AU - Condorelli A. AU - Consolati G. AU - Contreras F. AU - Convenga F. AU - Covault C.E. AU - Dasso S. AU - Daumiller K. AU - Dawson B.R. AU - Day J.A. AU - De Almeida R.M. AU - De Jesús J. AU - De Jong S.J. AU - De Mauro G. AU - De Mello Neto J.R.T. AU - De Mitri I. AU - De Oliveira J. AU - De Oliveira Franco D. AU - De Souza V. AU - Debatin J. AU - Del Rió M. AU - Deligny O. AU - Dhital N. AU - Di Matteo A. AU - Castro M.L.D. AU - Dobrigkeit C. AU - D'Olivo J.C. AU - Dorosti Q. AU - Dos Anjos R.C. AU - Dova M.T. AU - Ebr J. AU - Engel R. AU - Epicoco I. AU - Erdmann M. AU - Escobar C.O. AU - Etchegoyen A. AU - Falcke H. AU - Farmer J. AU - Farrar G. AU - Fauth A.C. AU - Fazzini N. AU - Feldbusch F. AU - Fenu F. AU - Fick B. AU - Figueira J.M. AU - Filipčič A. AU - Freire M.M. AU - Fujii T. AU - Fuster A. AU - Galea C. AU - Galelli C. AU - Garciá B. AU - Vegas A.L.G. AU - Gemmeke H. AU - Gesualdi F. AU - Gherghel-Lascu A. AU - Ghia P.L. AU - Giaccari U. AU - Giammarchi M. AU - Giller M. AU - Glombitza J. AU - Gobbi F. AU - Golup G. AU - Berisso M.G. AU - Vitale P.F.G. AU - Gongora J.P. AU - González N. AU - Goos I. AU - Góra D. AU - Gorgi A. AU - Gottowik M. AU - Grubb T.D. AU - Guarino F. AU - Guedes G.P. AU - Guido E. AU - Hahn S. AU - Halliday R. AU - Hampel M.R. AU - Hansen P. AU - Harari D. AU - Harvey V.M. AU - Haungs A. AU - Hebbeker T. AU - Heck D. AU - Hill G.C. AU - Hojvat C. AU - Hörandel J.R. AU - Horvath P. AU - Hrabovský M. AU - Huege T. AU - Hulsman J. AU - Insolia A. AU - Isar P.G. AU - Johnsen J.A. AU - Jurysek J. AU - Kaä¨pä A. AU - Kampert K.H. AU - Keilhauer B. AU - Kemp J. AU - Klages H.O. AU - Kleifges M. AU - Kleinfeller J. AU - Köpke M. AU - Mezek G.K. AU - Awad A.K. AU - Lago B.L. AU - Lahurd D. AU - Lang R.G. AU - Leigui De Oliveira M.A. AU - Lenok V. AU - Letessier-Selvon A. AU - Lhenry-Yvon I. AU - Presti D.L. AU - Lopes L. AU - López R. AU - Casado A.L. AU - Lorek R. AU - Luce Q. AU - Lucero A. AU - Payeras A.M. AU - Malacari M. AU - Mancarella G. AU - Mandat D. AU - Manning B.C. AU - Manshanden J. AU - Mantsch P. AU - Mariazzi A.G. AU - Mariş I.C. AU - Marsella G. AU - Martello D. AU - Martinez H. AU - Bravo O.M. AU - Mastrodicasa M. AU - Mathes H.J. AU - Matthews J. AU - Matthiae G. AU - Mayotte E. AU - Mazur P.O. AU - Medina-Tanco G. AU - Melo D. AU - Menshikov A. AU - Merenda K.-D. AU - Michal S. AU - Micheletti M.I. AU - Miramonti L. AU - Mockler D. AU - Mollerach S. AU - Montanet F. AU - Morello C. AU - Morlino G. AU - Mostafá M. AU - Müller A.L. AU - Muller M.A. AU - Müller S. AU - Mussa R. AU - Muzio M. AU - Namasaka W.M. AU - Nellen L. AU - Niculescu-Oglinzanu M. AU - Niechciol M. AU - Nitz D. AU - Nosek D. AU - Novotny V. AU - Nožka L. AU - Nucita A. AU - Núez L.A. AU - Palatka M. AU - Pallotta J. AU - Panetta M.P. AU - Papenbreer P. AU - Parente G. AU - Parra A. AU - Pech M. AU - Pedreira F. AU - Pkala J. AU - Pelayo R. AU - Pea-Rodriguez J. AU - Pereira L.A.S. AU - Armand J.P. AU - Perlin M. AU - Perrone L. AU - Peters C. AU - Petrera S. AU - Pierog T. AU - Pimenta M. AU - Pirronello V. AU - Platino M. AU - Pont B. AU - Pothast M. AU - Privitera P. AU - Prouza M. AU - Puyleart A. AU - Querchfeld S. AU - Rautenberg J. AU - Ravignani D. AU - Reininghaus M. AU - Ridky J. AU - Riehn F. AU - Risse M. AU - Ristori P. AU - Rizi V. AU - Carvalho W.R.D. AU - Rojo J.R. AU - Roncoroni M.J. AU - Roth M. AU - Roulet E. AU - Rovero A.C. AU - Ruehl P. AU - Saffi S.J. AU - Saftoiu A. AU - Salamida F. AU - Salazar H. AU - Salina G. AU - Gomez J.D.S. AU - Sánchez F. AU - Santos E.M. AU - Santos E. AU - Sarazin F. AU - Sarmento R. AU - Sarmiento-Cano C. AU - Sato R. AU - Savina P. AU - Schäfer C. AU - Scherini V. AU - Schieler H. AU - Schimassek M. AU - Schimp M. AU - Schlüter F. AU - Schmidt D. AU - Scholten O. AU - Schovánek P. AU - Schröder F.G. AU - Schröder S. AU - Sciutto S.J. AU - Scornavacche M. AU - Shellard R.C. AU - Sigl G. AU - Silli G. AU - Sima O. AU - Šmída R. AU - Sommers P. AU - Soriano J.F. AU - Souchard J. AU - Squartini R. AU - Stadelmaier M. AU - Stanca D. AU - Stanič S. AU - Stasielak J. AU - Stassi P. AU - Streich A. AU - Suárez-Durán M. AU - Sudholz T. AU - Suomijärvi T. AU - Supanitsky A.D. AU - Šupík J. AU - Szadkowski Z. AU - Taboada A. AU - Taborda O.A. AU - Tapia A. AU - Timmermans C. AU - Tobiska P. AU - Peixoto C.J.T. AU - Tomé B. AU - Elipe G.T. AU - Travaini A. AU - Travnicek P. AU - Trimarelli C. AU - Trini M. AU - Tueros M. AU - Ulrich R. AU - Unger M. AU - Urban M. AU - Vaclavek L. AU - Galicia J.F.V. AU - Valio I. AU - Valore L. AU - Van Vliet A. AU - Varela E. AU - Cárdenas B.V. AU - Vásquez-Ramírez A. AU - Veberič D. AU - Ventura C. AU - Quispe I.D.V. AU - Verzi V. AU - Vicha J. AU - Villaseor L. AU - Vink J. AU - Vorobiov S. AU - Wahlberg H. AU - Watson A.A. AU - Weber M. AU - Weindl A. AU - Wiencke L. AU - Wilczyński H. AU - Winchen T. AU - Wirtz M. AU - Wittkowski D. AU - Wundheiler B. AU - Yushkov A. AU - Zas E. AU - Zavrtanik D. AU - Zavrtanik M. AU - Zehrer L. AU - Zepeda A. AU - Ziolkowski M. AU - Zuccarello F. UR - http://hdl.handle.net/11407/5932 PB - Institute of Physics Publishing AB - We present measurements of the large-scale cosmic-ray (CR) anisotropies in R.A., using data collected by the surface detector array of the Pierre Auger Observatory over more than 14 yr. We determine the equatorial dipole component, through a Fourier analysis in R.A. that includes weights for each event so as to account for the main detector-induced systematic effects. For the energies at which the trigger efficiency of the array is small, the "east-west" method is employed. Besides using the data from the array with detectors separated by 1500 m, we also include data from the smaller but denser subarray of detectors with 750 m separation, which allows us to extend the analysis down to ∼0.03 EeV. The most significant equatorial dipole amplitude obtained is that in the cumulative bin above 8 EeV, %, which is inconsistent with isotropy at the 6σ level. In the bins below 8 EeV, we obtain 99% CL upper bounds on d ⊥ at the level of 1%-3%. At energies below 1 EeV, even though the amplitudes are not significant, the phases determined in most of the bins are not far from the R.A. of the Galactic center, at GC =-94°, suggesting a predominantly Galactic origin for anisotropies at these energies. The reconstructed dipole phases in the energy bins above 4 EeV point instead to R.A. that are almost opposite to the Galactic center one, indicative of an extragalactic CR origin. © 2020. The American Astronomical Society. All rights reserved.. ER - @misc{11407_5932, author = {Aab A. and Abreu P. and Aglietta M. and Albuquerque I.F.M. and Albury J.M. and Allekotte I. and Almela A. and Castillo J.A. and Alvarez-Muiz J. and Anastasi G.A. and Anchordoqui L. and Andrada B. and Andringa S. and Aramo C. and Ferreira P.R.A. and Asorey H. and Assis P. and Avila G. and Badescu A.M. and Bakalova A. and Balaceanu A. and Barbato F. and Luz R.J.B. and Becker K.H. and Bellido J.A. and Berat C. and Bertaina M.E. and Bertou X. and Biermann P.L. and Bister T. and Biteau J. and Blanco A. and Blazek J. and Bleve C. and Boháčová M. and Boncioli D. and Bonifazi C. and Arbeletche L.B. and Borodai N. and Botti A.M. and Brack J. and Bretz T. and Briechle F.L. and Buchholz P. and Bueno A. and Buitink S. and Buscemi M. and Caballero-Mora K.S. and Caccianiga L. and Calcagni L. and Cancio A. and Canfora F. and Caracas I. and Carceller J.M. and Caruso R. and Castellina A. and Catalani F. and Cataldi G. and Cazon L. and Cerda M. and Chinellato J.A. and Choi K. and Chudoba J. and Chytka L. and Clay R.W. and Cerutti A.C.C. and Colalillo R. and Coleman A. and Coluccia M.R. and Conceica¸õ R. and Condorelli A. and Consolati G. and Contreras F. and Convenga F. and Covault C.E. and Dasso S. and Daumiller K. and Dawson B.R. and Day J.A. and De Almeida R.M. and De Jesús J. and De Jong S.J. and De Mauro G. and De Mello Neto J.R.T. and De Mitri I. and De Oliveira J. and De Oliveira Franco D. and De Souza V. and Debatin J. and Del Rió M. and Deligny O. and Dhital N. and Di Matteo A. and Castro M.L.D. and Dobrigkeit C. and D'Olivo J.C. and Dorosti Q. and Dos Anjos R.C. and Dova M.T. and Ebr J. and Engel R. and Epicoco I. and Erdmann M. and Escobar C.O. and Etchegoyen A. and Falcke H. and Farmer J. and Farrar G. and Fauth A.C. and Fazzini N. and Feldbusch F. and Fenu F. and Fick B. and Figueira J.M. and Filipčič A. and Freire M.M. and Fujii T. and Fuster A. and Galea C. and Galelli C. and Garciá B. and Vegas A.L.G. and Gemmeke H. and Gesualdi F. and Gherghel-Lascu A. and Ghia P.L. and Giaccari U. and Giammarchi M. and Giller M. and Glombitza J. and Gobbi F. and Golup G. and Berisso M.G. and Vitale P.F.G. and Gongora J.P. and González N. and Goos I. and Góra D. and Gorgi A. and Gottowik M. and Grubb T.D. and Guarino F. and Guedes G.P. and Guido E. and Hahn S. and Halliday R. and Hampel M.R. and Hansen P. and Harari D. and Harvey V.M. and Haungs A. and Hebbeker T. and Heck D. and Hill G.C. and Hojvat C. and Hörandel J.R. and Horvath P. and Hrabovský M. and Huege T. and Hulsman J. and Insolia A. and Isar P.G. and Johnsen J.A. and Jurysek J. and Kaä¨pä A. and Kampert K.H. and Keilhauer B. and Kemp J. and Klages H.O. and Kleifges M. and Kleinfeller J. and Köpke M. and Mezek G.K. and Awad A.K. and Lago B.L. and Lahurd D. and Lang R.G. and Leigui De Oliveira M.A. and Lenok V. and Letessier-Selvon A. and Lhenry-Yvon I. and Presti D.L. and Lopes L. and López R. and Casado A.L. and Lorek R. and Luce Q. and Lucero A. and Payeras A.M. and Malacari M. and Mancarella G. and Mandat D. and Manning B.C. and Manshanden J. and Mantsch P. and Mariazzi A.G. and Mariş I.C. and Marsella G. and Martello D. and Martinez H. and Bravo O.M. and Mastrodicasa M. and Mathes H.J. and Matthews J. and Matthiae G. and Mayotte E. and Mazur P.O. and Medina-Tanco G. and Melo D. and Menshikov A. and Merenda K.-D. and Michal S. and Micheletti M.I. and Miramonti L. and Mockler D. and Mollerach S. and Montanet F. and Morello C. and Morlino G. and Mostafá M. and Müller A.L. and Muller M.A. and Müller S. and Mussa R. and Muzio M. and Namasaka W.M. and Nellen L. and Niculescu-Oglinzanu M. and Niechciol M. and Nitz D. and Nosek D. and Novotny V. and Nožka L. and Nucita A. and Núez L.A. and Palatka M. and Pallotta J. and Panetta M.P. and Papenbreer P. and Parente G. and Parra A. and Pech M. and Pedreira F. and Pkala J. and Pelayo R. and Pea-Rodriguez J. and Pereira L.A.S. and Armand J.P. and Perlin M. and Perrone L. and Peters C. and Petrera S. and Pierog T. and Pimenta M. and Pirronello V. and Platino M. and Pont B. and Pothast M. and Privitera P. and Prouza M. and Puyleart A. and Querchfeld S. and Rautenberg J. and Ravignani D. and Reininghaus M. and Ridky J. and Riehn F. and Risse M. and Ristori P. and Rizi V. and Carvalho W.R.D. and Rojo J.R. and Roncoroni M.J. and Roth M. and Roulet E. and Rovero A.C. and Ruehl P. and Saffi S.J. and Saftoiu A. and Salamida F. and Salazar H. and Salina G. and Gomez J.D.S. and Sánchez F. and Santos E.M. and Santos E. and Sarazin F. and Sarmento R. and Sarmiento-Cano C. and Sato R. and Savina P. and Schäfer C. and Scherini V. and Schieler H. and Schimassek M. and Schimp M. and Schlüter F. and Schmidt D. and Scholten O. and Schovánek P. and Schröder F.G. and Schröder S. and Sciutto S.J. and Scornavacche M. and Shellard R.C. and Sigl G. and Silli G. and Sima O. and Šmída R. and Sommers P. and Soriano J.F. and Souchard J. and Squartini R. and Stadelmaier M. and Stanca D. and Stanič S. and Stasielak J. and Stassi P. and Streich A. and Suárez-Durán M. and Sudholz T. and Suomijärvi T. and Supanitsky A.D. and Šupík J. and Szadkowski Z. and Taboada A. and Taborda O.A. and Tapia A. and Timmermans C. and Tobiska P. and Peixoto C.J.T. and Tomé B. and Elipe G.T. and Travaini A. and Travnicek P. and Trimarelli C. and Trini M. and Tueros M. and Ulrich R. and Unger M. and Urban M. and Vaclavek L. and Galicia J.F.V. and Valio I. and Valore L. and Van Vliet A. and Varela E. and Cárdenas B.V. and Vásquez-Ramírez A. and Veberič D. and Ventura C. and Quispe I.D.V. and Verzi V. and Vicha J. and Villaseor L. and Vink J. and Vorobiov S. and Wahlberg H. and Watson A.A. and Weber M. and Weindl A. and Wiencke L. and Wilczyński H. and Winchen T. and Wirtz M. and Wittkowski D. and Wundheiler B. and Yushkov A. and Zas E. and Zavrtanik D. and Zavrtanik M. and Zehrer L. and Zepeda A. and Ziolkowski M. and Zuccarello F.}, title = {Cosmic-Ray Anisotropies in Right Ascension Measured by the Pierre Auger Observatory}, year = {}, abstract = {We present measurements of the large-scale cosmic-ray (CR) anisotropies in R.A., using data collected by the surface detector array of the Pierre Auger Observatory over more than 14 yr. We determine the equatorial dipole component, through a Fourier analysis in R.A. that includes weights for each event so as to account for the main detector-induced systematic effects. For the energies at which the trigger efficiency of the array is small, the "east-west" method is employed. Besides using the data from the array with detectors separated by 1500 m, we also include data from the smaller but denser subarray of detectors with 750 m separation, which allows us to extend the analysis down to ∼0.03 EeV. The most significant equatorial dipole amplitude obtained is that in the cumulative bin above 8 EeV, %, which is inconsistent with isotropy at the 6σ level. In the bins below 8 EeV, we obtain 99% CL upper bounds on d ⊥ at the level of 1%-3%. At energies below 1 EeV, even though the amplitudes are not significant, the phases determined in most of the bins are not far from the R.A. of the Galactic center, at GC =-94°, suggesting a predominantly Galactic origin for anisotropies at these energies. The reconstructed dipole phases in the energy bins above 4 EeV point instead to R.A. that are almost opposite to the Galactic center one, indicative of an extragalactic CR origin. © 2020. The American Astronomical Society. All rights reserved..}, url = {http://hdl.handle.net/11407/5932} }RT Generic T1 Cosmic-Ray Anisotropies in Right Ascension Measured by the Pierre Auger Observatory A1 Aab A. A1 Abreu P. A1 Aglietta M. A1 Albuquerque I.F.M. A1 Albury J.M. A1 Allekotte I. A1 Almela A. A1 Castillo J.A. A1 Alvarez-Muiz J. A1 Anastasi G.A. A1 Anchordoqui L. A1 Andrada B. A1 Andringa S. A1 Aramo C. A1 Ferreira P.R.A. A1 Asorey H. A1 Assis P. A1 Avila G. A1 Badescu A.M. A1 Bakalova A. A1 Balaceanu A. A1 Barbato F. A1 Luz R.J.B. A1 Becker K.H. A1 Bellido J.A. A1 Berat C. A1 Bertaina M.E. A1 Bertou X. A1 Biermann P.L. A1 Bister T. A1 Biteau J. A1 Blanco A. A1 Blazek J. A1 Bleve C. A1 Boháčová M. A1 Boncioli D. A1 Bonifazi C. A1 Arbeletche L.B. A1 Borodai N. A1 Botti A.M. A1 Brack J. A1 Bretz T. A1 Briechle F.L. A1 Buchholz P. A1 Bueno A. A1 Buitink S. A1 Buscemi M. A1 Caballero-Mora K.S. A1 Caccianiga L. A1 Calcagni L. A1 Cancio A. A1 Canfora F. A1 Caracas I. A1 Carceller J.M. A1 Caruso R. A1 Castellina A. A1 Catalani F. A1 Cataldi G. A1 Cazon L. A1 Cerda M. A1 Chinellato J.A. A1 Choi K. A1 Chudoba J. A1 Chytka L. A1 Clay R.W. A1 Cerutti A.C.C. A1 Colalillo R. A1 Coleman A. A1 Coluccia M.R. A1 Conceica¸õ R. A1 Condorelli A. A1 Consolati G. A1 Contreras F. A1 Convenga F. A1 Covault C.E. A1 Dasso S. A1 Daumiller K. A1 Dawson B.R. A1 Day J.A. A1 De Almeida R.M. A1 De Jesús J. A1 De Jong S.J. A1 De Mauro G. A1 De Mello Neto J.R.T. A1 De Mitri I. A1 De Oliveira J. A1 De Oliveira Franco D. A1 De Souza V. A1 Debatin J. A1 Del Rió M. A1 Deligny O. A1 Dhital N. A1 Di Matteo A. A1 Castro M.L.D. A1 Dobrigkeit C. A1 D'Olivo J.C. A1 Dorosti Q. A1 Dos Anjos R.C. A1 Dova M.T. A1 Ebr J. A1 Engel R. A1 Epicoco I. A1 Erdmann M. A1 Escobar C.O. A1 Etchegoyen A. A1 Falcke H. A1 Farmer J. A1 Farrar G. A1 Fauth A.C. A1 Fazzini N. A1 Feldbusch F. A1 Fenu F. A1 Fick B. A1 Figueira J.M. A1 Filipčič A. A1 Freire M.M. A1 Fujii T. A1 Fuster A. A1 Galea C. A1 Galelli C. A1 Garciá B. A1 Vegas A.L.G. A1 Gemmeke H. A1 Gesualdi F. A1 Gherghel-Lascu A. A1 Ghia P.L. A1 Giaccari U. A1 Giammarchi M. A1 Giller M. A1 Glombitza J. A1 Gobbi F. A1 Golup G. A1 Berisso M.G. A1 Vitale P.F.G. A1 Gongora J.P. A1 González N. A1 Goos I. A1 Góra D. A1 Gorgi A. A1 Gottowik M. A1 Grubb T.D. A1 Guarino F. A1 Guedes G.P. A1 Guido E. A1 Hahn S. A1 Halliday R. A1 Hampel M.R. A1 Hansen P. A1 Harari D. A1 Harvey V.M. A1 Haungs A. A1 Hebbeker T. A1 Heck D. A1 Hill G.C. A1 Hojvat C. A1 Hörandel J.R. A1 Horvath P. A1 Hrabovský M. A1 Huege T. A1 Hulsman J. A1 Insolia A. A1 Isar P.G. A1 Johnsen J.A. A1 Jurysek J. A1 Kaä¨pä A. A1 Kampert K.H. A1 Keilhauer B. A1 Kemp J. A1 Klages H.O. A1 Kleifges M. A1 Kleinfeller J. A1 Köpke M. A1 Mezek G.K. A1 Awad A.K. A1 Lago B.L. A1 Lahurd D. A1 Lang R.G. A1 Leigui De Oliveira M.A. A1 Lenok V. A1 Letessier-Selvon A. A1 Lhenry-Yvon I. A1 Presti D.L. A1 Lopes L. A1 López R. A1 Casado A.L. A1 Lorek R. A1 Luce Q. A1 Lucero A. A1 Payeras A.M. A1 Malacari M. A1 Mancarella G. A1 Mandat D. A1 Manning B.C. A1 Manshanden J. A1 Mantsch P. A1 Mariazzi A.G. A1 Mariş I.C. A1 Marsella G. A1 Martello D. A1 Martinez H. A1 Bravo O.M. A1 Mastrodicasa M. A1 Mathes H.J. A1 Matthews J. A1 Matthiae G. A1 Mayotte E. A1 Mazur P.O. A1 Medina-Tanco G. A1 Melo D. A1 Menshikov A. A1 Merenda K.-D. A1 Michal S. A1 Micheletti M.I. A1 Miramonti L. A1 Mockler D. A1 Mollerach S. A1 Montanet F. A1 Morello C. A1 Morlino G. A1 Mostafá M. A1 Müller A.L. A1 Muller M.A. A1 Müller S. A1 Mussa R. A1 Muzio M. A1 Namasaka W.M. A1 Nellen L. A1 Niculescu-Oglinzanu M. A1 Niechciol M. A1 Nitz D. A1 Nosek D. A1 Novotny V. A1 Nožka L. A1 Nucita A. A1 Núez L.A. A1 Palatka M. A1 Pallotta J. A1 Panetta M.P. A1 Papenbreer P. A1 Parente G. A1 Parra A. A1 Pech M. A1 Pedreira F. A1 Pkala J. A1 Pelayo R. A1 Pea-Rodriguez J. A1 Pereira L.A.S. A1 Armand J.P. A1 Perlin M. A1 Perrone L. A1 Peters C. A1 Petrera S. A1 Pierog T. A1 Pimenta M. A1 Pirronello V. A1 Platino M. A1 Pont B. A1 Pothast M. A1 Privitera P. A1 Prouza M. A1 Puyleart A. A1 Querchfeld S. A1 Rautenberg J. A1 Ravignani D. A1 Reininghaus M. A1 Ridky J. A1 Riehn F. A1 Risse M. A1 Ristori P. A1 Rizi V. A1 Carvalho W.R.D. A1 Rojo J.R. A1 Roncoroni M.J. A1 Roth M. A1 Roulet E. A1 Rovero A.C. A1 Ruehl P. A1 Saffi S.J. A1 Saftoiu A. A1 Salamida F. A1 Salazar H. A1 Salina G. A1 Gomez J.D.S. A1 Sánchez F. A1 Santos E.M. A1 Santos E. A1 Sarazin F. A1 Sarmento R. A1 Sarmiento-Cano C. A1 Sato R. A1 Savina P. A1 Schäfer C. A1 Scherini V. A1 Schieler H. A1 Schimassek M. A1 Schimp M. A1 Schlüter F. A1 Schmidt D. A1 Scholten O. A1 Schovánek P. A1 Schröder F.G. A1 Schröder S. A1 Sciutto S.J. A1 Scornavacche M. A1 Shellard R.C. A1 Sigl G. A1 Silli G. A1 Sima O. A1 Šmída R. A1 Sommers P. A1 Soriano J.F. A1 Souchard J. A1 Squartini R. A1 Stadelmaier M. A1 Stanca D. A1 Stanič S. A1 Stasielak J. A1 Stassi P. A1 Streich A. A1 Suárez-Durán M. A1 Sudholz T. A1 Suomijärvi T. A1 Supanitsky A.D. A1 Šupík J. A1 Szadkowski Z. A1 Taboada A. A1 Taborda O.A. A1 Tapia A. A1 Timmermans C. A1 Tobiska P. A1 Peixoto C.J.T. A1 Tomé B. A1 Elipe G.T. A1 Travaini A. A1 Travnicek P. A1 Trimarelli C. A1 Trini M. A1 Tueros M. A1 Ulrich R. A1 Unger M. A1 Urban M. A1 Vaclavek L. A1 Galicia J.F.V. A1 Valio I. A1 Valore L. A1 Van Vliet A. A1 Varela E. A1 Cárdenas B.V. A1 Vásquez-Ramírez A. A1 Veberič D. A1 Ventura C. A1 Quispe I.D.V. A1 Verzi V. A1 Vicha J. A1 Villaseor L. A1 Vink J. A1 Vorobiov S. A1 Wahlberg H. A1 Watson A.A. A1 Weber M. A1 Weindl A. A1 Wiencke L. A1 Wilczyński H. A1 Winchen T. A1 Wirtz M. A1 Wittkowski D. A1 Wundheiler B. A1 Yushkov A. A1 Zas E. A1 Zavrtanik D. A1 Zavrtanik M. A1 Zehrer L. A1 Zepeda A. A1 Ziolkowski M. A1 Zuccarello F. LK http://hdl.handle.net/11407/5932 PB Institute of Physics Publishing AB We present measurements of the large-scale cosmic-ray (CR) anisotropies in R.A., using data collected by the surface detector array of the Pierre Auger Observatory over more than 14 yr. We determine the equatorial dipole component, through a Fourier analysis in R.A. that includes weights for each event so as to account for the main detector-induced systematic effects. For the energies at which the trigger efficiency of the array is small, the "east-west" method is employed. Besides using the data from the array with detectors separated by 1500 m, we also include data from the smaller but denser subarray of detectors with 750 m separation, which allows us to extend the analysis down to ∼0.03 EeV. The most significant equatorial dipole amplitude obtained is that in the cumulative bin above 8 EeV, %, which is inconsistent with isotropy at the 6σ level. In the bins below 8 EeV, we obtain 99% CL upper bounds on d ⊥ at the level of 1%-3%. At energies below 1 EeV, even though the amplitudes are not significant, the phases determined in most of the bins are not far from the R.A. of the Galactic center, at GC =-94°, suggesting a predominantly Galactic origin for anisotropies at these energies. The reconstructed dipole phases in the energy bins above 4 EeV point instead to R.A. that are almost opposite to the Galactic center one, indicative of an extragalactic CR origin. © 2020. The American Astronomical Society. All rights reserved.. OL Spanish (121)
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Abstract
We present measurements of the large-scale cosmic-ray (CR) anisotropies in R.A., using data collected by the surface detector array of the Pierre Auger Observatory over more than 14 yr. We determine the equatorial dipole component, through a Fourier analysis in R.A. that includes weights for each event so as to account for the main detector-induced systematic effects. For the energies at which the trigger efficiency of the array is small, the "east-west" method is employed. Besides using the data from the array with detectors separated by 1500 m, we also include data from the smaller but denser subarray of detectors with 750 m separation, which allows us to extend the analysis down to ∼0.03 EeV. The most significant equatorial dipole amplitude obtained is that in the cumulative bin above 8 EeV, %, which is inconsistent with isotropy at the 6σ level. In the bins below 8 EeV, we obtain 99% CL upper bounds on d ⊥ at the level of 1%-3%. At energies below 1 EeV, even though the amplitudes are not significant, the phases determined in most of the bins are not far from the R.A. of the Galactic center, at GC =-94°, suggesting a predominantly Galactic origin for anisotropies at these energies. The reconstructed dipole phases in the energy bins above 4 EeV point instead to R.A. that are almost opposite to the Galactic center one, indicative of an extragalactic CR origin. © 2020. The American Astronomical Society. All rights reserved..
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