Interpretation of the depths of maximum of extensive air showers measured by the Pierre Auger Observatory

被引：80

作者：

Abreu, P. ^{[74
,75
]}

Aglietta, M. ^{[58
,62
]}

Ahlers, M. ^{[105
]}

Ahn, E. J. ^{[93
]}

Albuquerque, I. F. M. ^{[19
]}

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

Allen, J. ^{[97
]}

Allison, P. ^{[99
]}

Almela, A. ^{[11
,15
]}

Alvarez Castillo, J. ^{[67
]}

Alvarez-Muniz, J. ^{[86
]}

Alves Batista, R. ^{[20
]}

Ambrosio, M. ^{[51
,52
]}

Aminaei, A. ^{[68
]}

Anchordoqui, L. ^{[106
]}

Andringa, S. ^{[74
,75
]}

Anticic, T. ^{[26
]}

Aramo, C. ^{[51
,52
]}

Arqueros, F. ^{[82
]}

Asorey, H. ^{[1
,2
]}

Assis, P. ^{[74
,75
]}

Aublin, J. ^{[32
,33
]}

Ave, M. ^{[86
]}

Avenier, M. ^{[34
]}

Avila, G. ^{[13
,14
]}

Badescu, A. M. ^{[78
]}

Barber, K. B. ^{[16
]}

Barbosa, A. F. ^{[17
]}

Bardenet, R. ^{[31
]}

Baughman, B. ^{[99
]}

Baeuml, J. ^{[38
]}

Baus, C. ^{[40
]}

Beatty, J. J. ^{[99
]}

Becker, K. H. ^{[37
]}

Belletoile, A. ^{[36
]}

Bellido, J. A. ^{[16
]}

BenZvi, S. ^{[105
]}

Berat, C. ^{[34
]}

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

Biermann, P. L. ^{[41
]}

Billoir, P. ^{[32
,33
]}

Blanco, F. ^{[32
,33
,82
]}

Blanco, M.

Bleve, C. ^{[37
]}

Bluemer, H. ^{[38
,40
]}

Bohacova, M. ^{[28
]}

Boncioli, D. ^{[53
,54
]}

Bonifazi, C. ^{[24
]}

Bonino, R. ^{[58
,62
]}

Borodai, N. ^{[72
]}

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] CITEDEF, Ctr Invest Laseres & Aplicac, Buenos Aires, DF, Argentina

[4] Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, Argentina

[5] Univ Buenos Aires, FCEyN, Dept Fis, RA-1053 Buenos Aires, DF, Argentina

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

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

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

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

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

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

[12] Natl Technol Univ, Fac Mendoza, CONICET CNEA, Mendoza, Argentina

[13] Observ Pierre Auger, Malargue, Argentina

[14] Comis Nacl Energia Atom, Malargue, Argentina

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

[16] Univ Adelaide, Adelaide, SA, Australia

[17] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

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

[19] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil

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

[21] Univ Estadual Feira de Santana, Fiera De Santana, BA, Brazil

[22] Univ Fed Bahia, Salvador, BA, Brazil

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

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

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

[26] Rudjer Boskovic Inst, Zagreb 10000, Croatia

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

[28] Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic

[29] Palacky Univ, RCPTM, CR-77147 Olomouc, Czech Republic

[30] Univ Paris 11, CNRS, IN2P3, IPNO, F-91405 Orsay, France

[31] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France

[32] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France

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

[34] Univ Grenoble, CNRS, IN2P3, Grenoble INP,LPSC, Grenoble, France

[35] CNRS, INSU, Observ Paris, Stn Radioastron Nancay, F-75700 Paris, France

[36] Univ Nantes, CNRS IN2P3, Ecole Mines Nantes, SUBATECH, F-44035 Nantes, France

[37] Berg Univ Wuppertal, Wuppertal, Germany

[38] Karlsruhe Inst Technol, Inst Kernphys, D-76021 Karlsruhe, Germany

[39] Karlsruhe Inst Technol, Inst Prozessdatenverarbeitung & Elekt, D-76021 Karlsruhe, Germany

[40] Karlsruhe Inst Technol, Inst Expt Kernphys IEKP, D-76021 Karlsruhe, Germany

[41] Max Planck Inst Radioastron, D-53121 Bonn, Germany

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

[43] Univ Hamburg, Hamburg, Germany

[44] Univ Siegen, D-57068 Siegen, Germany

[45] Univ Genoa, Dipartimento Fis, Genoa, Italy

[46] Ist Nazl Fis Nucl, I-16146 Genoa, Italy

[47] Univ Aquila, I-67100 Laquila, Italy

[48] INFN, Laquila, Italy

[49] Univ Milan, Milan, Italy

[50] Sezione Ist Nazl Fis Nucl, Milan, Italy

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2013年 / 02期

基金：

英国科学技术设施理事会; 美国国家科学基金会; 巴西圣保罗研究基金会; 澳大利亚研究理事会;

关键词：

ultra high energy cosmic rays; cosmic ray experiments; COSMIC-RAYS; ENERGY; PARTICLES;

D O I：

10.1088/1475-7516/2013/02/026

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

To interpret the mean depth of cosmic ray air shower maximum and its dispersion, we parametrize those two observables as functions of the first two moments of the ln A distribution. We examine the goodness of this simple method through simulations of test mass distributions. The application of the parameterization to Pierre Auger Observatory data allows one to study the energy dependence of the mean ln A and of its variance under the assumption of selected hadronic interaction models. We discuss possible implications of these dependences in term of interaction models and astrophysical cosmic ray sources.

引用

页数：20

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