Constraining models for the origin of ultra-high-energy cosmic rays with a novel combined analysis of arrival directions, spectrum, and composition data measured at the Pierre Auger Observatory

被引：0

作者：

Abdul Halim, A. ^{[21
]}

Abreu, P. ^{[80
,81
]}

Aglietta, M. ^{[60
,62
]}

Allekotte, I. ^{[1
,2
]}

Cheminant, K. Almeida ^{[78
]}

Almela, A. ^{[13
,20
]}

Aloisio, R. ^{[53
,54
]}

Alvarez-Muniz, J. ^{[89
]}

Ammerman Yebra, J. ^{[89
]}

Anastasi, G. A. ^{[60
,62
]}

Anchordoqui, L. ^{[96
]}

Andrada, B. ^{[13
]}

Andringa, S. ^{[80
,81
]}

Aramo, C. ^{[58
]}

Ferreira, P. R. Araujo ^{[50
]}

Arnone, E. ^{[60
,71
]}

Arteaga Velazquez, J. C. ^{[75
]}

Asorey, H. ^{[13
]}

Assis, P. ^{[80
,81
]}

Avila, G. ^{[18
,19
]}

Avocone, E. ^{[54
,65
]}

Badescu, A. M. ^{[84
]}

Bakalova, A. ^{[40
]}

Balaceanu, A. ^{[82
]}

Barbato, F. ^{[53
,54
]}

Mocellin, A. Bartz ^{[95
]}

Bellido, J. A. ^{[21
,77
]}

Berat, C. ^{[44
]}

Bertaina, M. E. ^{[60
,71
]}

Bhatta, G. ^{[78
]}

Bianciotto, M. ^{[60
,71
]}

Biermann, P. L. ^{[111
]}

Binet, V. ^{[9
,10
]}

Bismark, K. ^{[13
,47
]}

Bister, T. ^{[90
,91
]}

Biteau, J. ^{[45
]}

Blazek, J. ^{[40
]}

Bleve, C. ^{[44
]}

Bluemer, J. ^{[49
]}

Bohacova, M. ^{[40
]}

Boncioli, D. ^{[54
,65
]}

Bonifazi, C. ^{[14
,15
,16
,34
]}

Bonneau Arbeletche, L. ^{[29
]}

Borodai, N. ^{[78
]}

Brack, J. ^{[113
]}

Brichetto Orchera, P. G. ^{[13
]}

Briechle, F. L. ^{[50
]}

Bueno, A. ^{[87
,88
]}

Buitink, S. ^{[23
]}

Buscemi, M. ^{[55
,69
]}

机构：

[1] Ctr Atom Bariloche, San Carlos De Bariloche, Rio Negro, Argentina

[2] CNEA UNCuyo CONICET, Inst Balseiro, San Carlos De Bariloche, Rio Negro, Argentina

[3] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina

[4] Univ Buenos Aires, Dept Ciencias Atmosfera & Oceanos, FCEyN, Buenos Aires, DF, Argentina

[5] Consejo Nacl Invest Cient & Tecn, Buenos Aires, DF, Argentina

[6] Univ Nacl La Plata, IFLP, La Plata, Argentina

[7] Consejo Nacl Invest Cient & Tecn, La Plata, Argentina

[8] CONICET UBA, Inst Astron & Fis Espacio IAFE, Buenos Aires, DF, Argentina

[9] UNR, CONICET, Inst Fis Rosario IFIR, Rosario, Argentina

[10] UNR, Fac Ciencias Bioquim & Farmaceut, Rosario, Argentina

[11] UNSAM, CONICET, CNEA, Inst Tecnol Detecc & Astroparticulas, Mendoza, Argentina

[12] Univ Tecnol Nacl, Fac Reg Mendoza, CONICET, CNEA, Mendoza, Argentina

[13] UNSAM, CONICET, CNEA, Inst Tecnol Detecc & Astroparticulas, Buenos Aires, DF, Argentina

[14] ECyT UNSAM, Int Ctr Adv Studies, Buenos Aires, DF, Argentina

[15] ECyT UNSAM, Inst Ciencias Fis, Buenos Aires, DF, Argentina

[16] Consejo Nacl Invest Cient & Tecn, Campus Miguelete San Martin, Buenos Aires, DF, Argentina

[17] UNIDEF, CITEDEF CONICET, Lab Atmosfera, Dept Invest Laseres & Aplicaciones, Buenos Aires, DF, Argentina

[18] Observ Pierre Auger, Malargue, Argentina

[19] Comision Nacl Energia Atom, Malargue, Argentina

[20] Uni Tecnol Nacl, Fac Reg Buenos Aires, Buenos Aires, DF, Argentina

[21] Univ Adelaide, Adelaide, SA, Australia

[22] Univ Libre Bruxelles ULB, Brussels, Belgium

[23] Vrije Univ Brussels, Brussels, Belgium

[24] Ctr Fed Educ Tecnol Celso Suckow Fonseca, Petropolis, RJ, Brazil

[25] Inst Fed Educ Ciencia & Tecnol Rio de Janeiro IFR, Niteroi, RJ, Brazil

[26] Univ Sao Paulo, Escola Engn Lorena, Lorena, SP, Brazil

[27] Univ Sao Paulo, Inst Fis Sao Carlos, Sao Carlos, SP, Brazil

[28] Univ Sao Paulo, Inst Fis, Sao Paulo, SP, Brazil

[29] Univ Estadual Campinas, IFGW, Campinas, SP, Brazil

[30] Univ Estadual Feira de Santana, Feira De Santana, BA, Brazil

[31] Univ Fed Campina Grande, Ctr Ciencias & Tecnol, Campina Grande, Paraiba, Brazil

[32] Univ Fed ABC, Santo Andre, SP, Brazil

[33] Univ Fed Parana, Setor Palotina, Palotina, Brazil

[34] Univ Fed Rio de Janeiro, Inst Fis, Rio De Janeiro, Brazil

[35] Univ Fed Rio de Janeiro UFRJ, Observ Valongo, Rio De Janeiro, RJ, Brazil

[36] Univ Fed Fluminense, EEIMVR, Volta Redonda, RJ, Brazil

[37] Univ Medellin, Medellin, Colombia

[38] Univ Ind Santander, Bucaramanga, Colombia

[39] Charles Univ Prague, Fac Math & Phys, Inst Particle & Nucl Phys, Prague, Czech Republic

[40] Czech Acad Sci, Inst Phys, Prague, Czech Republic

[41] Palacky Univ, Olomouc, Czech Republic

[42] Univ Paris Saclay, IJCLab, CNRS, IN2P3, Orsay, France

[43] Univ Paris, Sorbonne Univ, CNRS IN2P3, Lab Phys Nucl & Hautes Energies LPNHE, Paris, France

[44] Univ Grenoble Alpes, CNRS, Inst Engn, LPSC IN2P3, F-38000 Grenoble, France

[45] Univ Paris Saclay, CNRS, IN2P3, IJCLab, Orsay, France

[46] Berg Univ Wuppertal, Dept Phys, Wuppertal, Germany

[47] Karlsruhe Inst Technol KIT, Inst Expt Particle Phys, Karlsruhe, Germany

[48] Karlsruhe Inst Technol KIT, Inst Prozessdatenverarbeitung & Elekt, Karlsruhe, Germany

[49] Karlsruhe Inst Technol KIT, Inst Astroparticle Phys, Karlsruhe, Germany

[50] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2024年 / 01期

基金：

美国国家科学基金会; 澳大利亚研究理事会; 巴西圣保罗研究基金会;

关键词：

ultra high energy cosmic rays; cosmic ray experiments; active galactic nuclei; CONSEQUENCES; PROPAGATION; RADIATION; FRAMEWORK; CENTAURUS; TALYS;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The combined fit of the measured energy spectrum and shower maximum depth distributions of ultra-high-energy cosmic rays is known to constrain the parameters of astrophysical models with homogeneous source distributions. Studies of the distribution of the cosmic-ray arrival directions show a better agreement with models in which a fraction of the flux is non-isotropic and associated with the nearby radio galaxy Centaurus A or with catalogs such as that of starburst galaxies. Here, we present a novel combination of both analyses by a simultaneous fit of arrival directions, energy spectrum, and composition data measured at the Pierre Auger Observatory. The model takes into account a rigidity-dependent magnetic field blurring and an energy-dependent evolution of the catalog contribution shaped by interactions during propagation. We find that a model containing a flux contribution from the starburst galaxy catalog of around 20% at 40 EeV with a magnetic field blurring of around 20 degrees for a rigidity of 10EV provides a fair simultaneous description of all three observables. The starburst galaxy model is favored with a significance of 4.5 sigma (considering experimental systematic effects) compared to a reference model with only homogeneously distributed background sources. By investigating a scenario with Centaurus A as a single source in combination with the homogeneous background, we confirm that this region of the sky provides the dominant contribution to the observed anisotropy signal. Models containing a catalog of jetted active galactic nuclei whose flux scales with the gamma-ray emission are, however, disfavored as they cannot adequately describe the measured arrival directions.

引用

页数：41

共 24 条

[1] Constraining the sources of ultra-high-energy cosmic rays across and above the ankle with the spectrum and composition data measured at the Pierre Auger Observatory
Halim, A. Abdul
Abreu, P.
Aglietta, M.
Allekotte, I.
Cheminant, K. Almeida
Almela, A.
Alvarez-Muniz, J.
Yebra, J. Ammerman
Anastasi, G. A.
Anchordoqui, L.
Andrada, B.
Andringa, S.
Aramo, C.
Ferreira, P. R. Araujo
Arnone, E.
Velazquez, J. C. Arteaga
Asorey, H.
Assis, P.
Avila, G.
Avocone, E.
Badescu, A. M.
Bakalova, A.
Balaceanu, A.
Barbato, F.
Bellido, J. A.
Berat, C.
Bertaina, M. E.
Bhatta, G.
Biermann, P. L.
Binet, V.
Bismark, K.
Bister, T.
Biteau, J.
Blazek, J.
Bleve, C.
Blumer, J.
Bohacova, M.
Boncioli, D.
Bonifazi, C.
Arbeletche, L. Bonneau
Borodai, N.
Brack, J.
Bretz, T.
Orchera, P. G. Brichetto
Briechle, F. L.
Buchholz, P.
Bueno, A.
Buitink, S.
Buscemi, M.
Busken, M.
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2023, (05):
[2] Anisotropies in the arrival directions of ultra-high-energy cosmic rays measured at the Pierre Auger Observatory
Bister, Teresa
PHYSICA SCRIPTA, 2021, 96 (07)
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JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2020, (06):
[4] A STUDY ON ANISOTROPY IN THE ARRIVAL DIRECTIONS OF ULTRA-HIGH-ENERGY COSMIC RAYS OBSERVED BY PIERRE AUGER OBSERVATORY
Kim, Hang Bae
MODERN PHYSICS LETTERS A, 2013, 28 (18)
[5] Anisotropy and chemical composition of ultra-high energy cosmic rays using arrival directions measured by the Pierre Auger Observatory
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JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2011, (06):
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[9] Combined fit of spectrum and composition data as measured by the Pierre Auger Observatory
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Abreu, P.
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Almela, A.
Alvarez Castillo, J.
Alvarez-Muniz, J.
Anastasi, G. A.
Anchordoqui, L.
Andrada, B.
Andringa, S.
Aramo, C.
Arqueros, F.
Arsene, N.
Asorey, H.
Assis, P.
Aublin, J.
Avila, G.
Badescu, A. M.
Balaceanu, A.
Barreira Luz, R. J.
Beatty, J. J.
Becker, K. H.
Bellido, J. A.
Berat, C.
Bertaina, M. E.
Bertou, X.
Biermann, P. L.
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Blaess, S. G.
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