Search for magnetically-induced signatures in the arrival directions of ultra-high-energy cosmic rays measured at the Pierre Auger Observatory

被引：13

作者：

Aab, A. ^{[85
]}

Abreu, P. ^{[75
,76
]}

Aglietta, M. ^{[57
,58
]}

Albury, J. M. ^{[19
]}

Allekotte, I ^{[1
,2
]}

Almela, A. ^{[15
,18
]}

Alvarez Castillo, J. ^{[71
]}

Alvarez-Muniz, J. ^{[84
]}

Batista, R. Alves ^{[85
]}

Anastasi, G. A. ^{[57
,66
]}

Anchordoqui, L. ^{[92
]}

Andrada, B. ^{[15
]}

Andringa, S. ^{[75
,76
]}

Aramo, C. ^{[55
]}

Ferreira, P. R. Araujo ^{[47
]}

Asorey, H. ^{[15
]}

Assis, P. ^{[75
,76
]}

Avila, G. ^{[16
,17
]}

Badescu, A. M. ^{[79
]}

Bakalova, A. ^{[37
]}

Balaceanu, A. ^{[77
]}

Barbato, F. ^{[55
,64
]}

Barreira Luz, R. J. ^{[75
,76
]}

Becker, K. H. ^{[43
]}

Bellido, J. A. ^{[19
]}

Berat, C. ^{[42
]}

Bertaina, M. E. ^{[57
,66
]}

Bertou, X. ^{[1
,2
]}

Biermann, P. L. ^{[100
]}

Bister, T. ^{[47
]}

Biteau, J. ^{[39
]}

Blanco, A. ^{[75
,76
]}

Blazek, J. ^{[37
]}

Bleve, C. ^{[42
]}

Bohacova, M. ^{[37
]}

Boncioli, D. ^{[51
,61
]}

Bonifazi, C. ^{[31
]}

Bonneau Arbeletche, L. ^{[26
]}

Borodai, N. ^{[72
]}

Botti, A. M. ^{[15
]}

Bracke, J. ^{[103
]}

Bretz, T. ^{[47
]}

Briechle, F. L. ^{[47
]}

Buchholz, P. ^{[49
]}

Bueno, A. ^{[82
,83
]}

Buitink, S. ^{[21
]}

Buscemi, M. ^{[52
,62
]}

Caballero-Mora, K. S. ^{[70
]}

Caccianiga, L. ^{[54
,63
]}

Calcagni, L. ^{[8
,9
]}

机构：

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

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

[3] CITEDEF, Ctr Invest Laseres & Aplicac, Villa Martelli, Argentina

[4] Consejo Nacl Invest Cient & Tecn, Villa Martelli, Argentina

[5] Univ Buenos Aires, Dept Fis, FCEyN, Buenos Aires, DF, Argentina

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

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

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

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

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

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

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

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

[14] Univ Tecnolog Nacl, Fac Reg Mendoza, CONICET, CNEA, Mendoza, Argentina

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

[16] Observ Pierre Auger, Malargue, Argentina

[17] Comis Nacl Energia Atom, Malargue, Argentina

[18] Univ Tecnol Nacl, Fac Reg Buenos Aires, Buenos Aires, DF, Argentina

[19] Univ Adelaide, Adelaide, SA, Australia

[20] Univ Libre Bruxelles, Brussels, Belgium

[21] Vrije Univ Brussels, Brussels, Belgium

[22] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, RJ, Brazil

[23] Ctr Fed Educ Tecnol Celso Suckow da Fonseca, Nova Friburgo, Brazil

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

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

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

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

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

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

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

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

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

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

[34] Univ Medellin, Medellin, Colombia

[35] Univ Ind Santander, Bucaramanga, Colombia

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

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

[38] Palacky Univ, RCPTM, Olomouc, Czech Republic

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

[40] Univ Paris 06, Lab Phys Nucl & Hautes Energies LPNHE, Paris, France

[41] Univ Paris 07, CNRS, IN2P3, Paris, France

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

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

[44] Karlsruhe Inst Technol, Inst Expt Particle Phys ETP, Karlsruhe, Germany

[45] Karlsruhe Inst Technol, Inst Kernphys, Karlsruhe, Germany

[46] Karlsruhe Inst Technol, Inst Prozessdatenverarbeitung & Elekt, Karlsruhe, Germany

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

[48] Univ Hamburg, Inst Theoret Phys 2, Hamburg, Germany

[49] Univ Siegen, Fachbereich Phys Expt Teilchenphys 7, D-7 Siegen, Germany

[50] Gran Sasso Sci Inst, Laquila, Italy

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2020年 / 06期

基金：

巴西圣保罗研究基金会; 澳大利亚研究理事会; 美国国家科学基金会;

关键词：

cosmic ray experiments; ultra high energy cosmic rays;

D O I：

10.1088/1475-7516/2020/06/017

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We search for signals of magnetically-induced effects in the arrival directions of ultra-high-energy cosmic rays detected at the Pierre Auger Observatory. We apply two different methods. One is a search for sets of events that show a correlation between their arrival direction and the inverse of their energy, which would be expected if they come from the same point-like source, they have the same electric charge and their deflection is relatively small and coherent. We refer to these sets of events as "multiplets". The second method, called "thrust", is a principal axis analysis aimed to detect the elongated patterns in a region of interest. We study the sensitivity of both methods using a benchmark simulation and we apply them to data in two different searches. The first search is done assuming as source candidates a list of nearby active galactic nuclei and starburst galaxies. The second is an all-sky blind search. We report the results and we find no statistically significant features. We discuss the compatibility of these results with the indications on the mass composition inferred from data of the Pierre Auger Observatory.

引用

页数：26

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