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by Abraham, J and Abreu, P and Aglietta, M and Ahn, E. J and Allard, D and Allekotte, I and Allen, J and Alvarez-Muniz, J and Ambrosio, M and Anchordoqui, L and Aninga, S and Anticic, T and Anzalone, A and Aramo, C and Arganda, E and Arisaka, K and Arqueros, F and Asorey, H and Assis, P and Aublin, J and Ave, M and Avila, G and Baecker, T and Badagnani, D and Balzer, M and Barber, K. B and Barroso, S. L. C and Barbosa, A. F and Baughman, B and Bauleo, P and Beatty, J. J and Becker, B. R and Becker, K. H and Belletoile, A and Bellido, J. A and BenZvi, S and Berat, C and Bergmann, T and Bertou, X and Biermann, P. L and Billoir, P and Blanch-Bigas, O and Blanco, F and Blanco, M and Bleve, C and Bluemer, H and Bohacova, M and Boncioli, D and Bonifazi, C and Bonino, R and Borodai, N and Brack, J and Brogueira, P and Brown, W. C and Bruijn, R and Buchholz, P and Bueno, A and Burton, R. E and Busca, N. G and Caballero-Mora, K. S and Caramete, L and Caruso, R and Castellina, A and Catalano, O and Cataldi, G and Cazon, L and Cester, R and Chauvin, J and Chiavassa, A and Chinellato, J. A and Chou, A and Chudoba, J and Clay, R. W and Colombo, E and Coluccia, M. R and Conceicao, R and Contreras, F and Cook, H and Cooper, M. J and Coppens, J and Cordier, A and Cotti, U and Coutu, S and Covault, C. E and Creusot, A and Criss, A and Cronin, J and Curutiu, A and Dagoret-Campagne, S and Dallier, R and Daumiller, K and Dawson, B. R and de Almeida, R. M and De Domenico, M and De Donato, C and de Jong, S. J and De la Vega, G and de Mello Junior, W. J. M and de Mello Neto, J. R. T and De Mitri, I and ... and Pierre Auger Collaboration
Physical review letters, ISSN 0031-9007, 03/2010, Volume 104, Issue 9, pp. 091101 - 091101
We describe the measurement of the depth of maximum, X-max, of the longitudinal development of air showers induced by cosmic rays. Almost 4000 events above... 
SPECTRUM | COSMIC-RAYS | RECONSTRUCTION | FLUORESCENCE LIGHT | DETECTOR | RESOLUTION | Physics, Multidisciplinary | Physical Sciences | Physics | Science & Technology
Journal Article
Physical review letters, ISSN 0031-9007, 08/2012, Volume 109, Issue 6
We report a measurement of the proton-air cross section for particle production at the center-of-mass energy per nucleon of 57 TeV. This is derived from the... 
HADRON FLUX | FLUCTUATIONS | SHOWER DETECTOR | HIGH-ENERGIES | COLLIDER | DIFFRACTION | MODEL | SCATTERING | COLLISIONS | Physics, Multidisciplinary | Physical Sciences | Physics | Science & Technology
Journal Article
Physics letters. B, ISSN 0370-2693, 2010, Volume 685, Issue 4-5, pp. 239 - 246
We report a measurement of the flux of cosmic rays with unprecedented precision and Statistics using the Pierre Auger Observatory Based on fluorescence... 
Physical Sciences | Physics, Nuclear | Astronomy & Astrophysics | Physics, Particles & Fields | Physics | Science & Technology
Journal Article
Physical review letters, ISSN 0031-9007, 2008, Volume 101, Issue 6, pp. 061101 - 061107
The energy spectrum of cosmic rays above 2.5 x 10(18) eV, derived from 20 000 events recorded at the Pierre Auger Observatory, is described. The spectral index... 
Physics, Multidisciplinary | Physical Sciences | Physics | Science & Technology
Journal Article
Physical review letters, ISSN 0031-9007, 2008, Volume 100, Issue 21, pp. 211101 - 211107
...) differential energy spectrum the limit set at 90% C. L. is E(nu)(2)dN(nu tau)/dE(nu) < 1: 3 x 10(-7) GeV cm(-2) s(-1) sr(-1) in the energy range 2 x 10... 
Physics, Multidisciplinary | Physical Sciences | Physics | Science & Technology | Sciences of the Universe | Astrophysics | Cosmology and Extra-Galactic Astrophysics | EARTH ATMOSPHERE | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | TAU PARTICLES | CASCADE SHOWERS | ENERGY SPECTRA | CHARGED-CURRENT INTERACTIONS | EARTH CRUST | EEV RANGE | TAU NEUTRINOS
Journal Article
Science (American Association for the Advancement of Science), ISSN 0036-8075, 2017, Volume 357, Issue 6357, pp. 1266 - 1270
Cosmic rays are atomic nuclei arriving from outer space that reach the highest energies observed in nature. Clues to their origin come from studying the... 
Science & Technology - Other Topics | Multidisciplinary Sciences | Science & Technology
Journal Article
Astroparticle physics, ISSN 0927-6505, 2008, Volume 29, Issue 4, pp. 243 - 256
A method is developed to search for air showers initiated by photons using data recorded by the surface detector of the Auger Observatory. The approach is... 
Physical Sciences | Astronomy & Astrophysics | Physics, Particles & Fields | Physics | Science & Technology
Journal Article
by Aab, A and Abreu, P and Aglietta, M and Samarai, I.Al and Albuquerque, I.F.M and Allekotte, I and Almela, A and Castillo, J. Alvarez and Alvarez-Muñiz, J and Anastasi, G.A and Anchordoqui, L and Andrada, B and Andringa, S and Aramo, C and Arqueros, F and Arsene, N and Asorey, H and Assis, P and Aublin, J and Avila, G and Badescu, A.M and Balaceanu, A and Barbato, F and Luz, R. J. Barreira and Beatty, J.J and Becker, K.H and Bellido, J.A and Berat, C and Bertaina, M.E and Bertou, X and Biermann, P.L and Billoir, P and Biteau, J and Blaess, S.G and Blanco, A and Blazek, J and Bleve, C and Bohácová, M and Boncioli, D and Bonifazi, C and Borodai, N and Botti, A.M and Brack, J and Brancus, I and Bretz, T and Bridgeman, A 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 Cancio, A and Canfora, F and Caramete, L and Caruso, R and Castellina, A and Cataldi, G and Cazon, L and Chavez, A.G and Chinellato, J.A and Chudoba, J and Clay, R.W and Cobos, A and Colalillo, R and Coleman, A and Collica, L and Coluccia, M.R and Conceição, R and Consolati, G and Contreras, F and Cooper, M.J and Coutu, S and Covault, C.E and Cronin, J and D'Amico, S and Daniel, B and Dasso, S and Daumiller, K and Dawson, B.R and De Almeida, R.M 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 Souza, V and Debatin, J and Deligny, O and Di Giulio, C and Di Matteo, A and Castro, M. L. Díaz and Diogo, F and Dobrigkeit, C and D'Olivo, J.C and Dorosti, Q and Dos Anjos, R.C and Dova, M.T and Dundovic, A and ...
Science (American Association for the Advancement of Science), ISSN 0036-8075, 09/2017, Volume 357, Issue 6357, pp. 1266 - 1270
Cosmic rays are atomic nuclei arriving from outer space that reach the highest energies observed in nature. Clues to their origin come from studying the... 
To be checked by Faculty | Particle accelerators | Galaxies | Energy | Particulates | Milky Way Galaxy | Solar wind | Cosmic rays | Augers
Journal Article
by Abraham, J and Abreu, P and Aglietta, M and Aguirre, C and Allard, D and Allekotte, I and Allen, J and Allison, P and Alvarez-Muñiz, J and Ambrosio, M and Anchordoqui, L and Andringa, S and Anzalone, A and Aramo, C and Argirò, S and Arisaka, K and Armengaud, E and Arneodo, F and Arqueros, F and Asch, T and Asorey, H and Assis, P and Atulugama, B.S and Aublin, J and Ave, M and Avila, G and Bäcker, T and Badagnani, D and Barbosa, A.F and Barnhill, D and Barroso, S.L.C and Bauleo, P and Beatty, J.J and Beau, T and Becker, B.R and Becker, K.H and Bellido, J.A and BenZvi, S and Berat, C and Bergmann, T and Bernardini, P and Bertou, X and Biermann, P.L and Billoir, P and Blanch-Bigas, O and Blanco, F and Blasi, P and Bleve, C and Blümer, H and Boháčová, M and Bonifazi, C and Bonino, R and Brack, J and Brogueira, P and Brown, W.C and Buchholz, P and Bueno, A and Burton, R.E and Busca, N.G and Caballero-Mora, K.S and Cai, B and Camin, D.V and Caramete, L and Caruso, R and Carvalho, W and Castellina, A and Catalano, O and Cataldi, G and Cazon, L and Cester, R and Chauvin, J and Chiavassa, A and Chinellato, J.A and Chou, A and Chye, J and Clay, R.W and Colombo, E and Conceição, R and Connolly, B and Contreras, F and Coppens, J and Cordier, A and Cotti, U and Coutu, S and Covault, C.E and Creusot, A and Criss, A and Cronin, J and Curutiu, A and Dagoret-Campagne, S and Daumiller, K and Dawson, B.R and de Almeida, R.M and De Donato, C and de Jong, S.J and De La Vega, G and de Mello, W.J.M and de Mello Neto, J.R.T and De Mitri, I and de Souza, V and ... and The Pierre Auger Collaboration
Astroparticle physics, ISSN 0927-6505, 2008, Volume 29, Issue 3, pp. 188 - 204
Journal Article
by Aab, A and Abreu, P and Aglietta, M and Ahn, E.J and Al Samarai, I and Albuquerque, I.F.M and Allekotte, I and Allen, J.D and Allison, P and Almela, A and Alvarez Castillo, J and Alvarez-Muñiz, J and Ambrosio, M and Anastasi, G.A and Anchordoqui, L and Andrada, B and Andringa, S and Aramo, C and Arqueros, F and Arsene, N and Asorey, H and Assis, P and Aublin, J and Avila, G and Badescu, A.M and Baus, C and Beatty, J.J and Becker, K.H and Bellido, J.A and Berat, C and Bertaina, M.E and Bertou, X and Biermann, P.L and Billoir, P and Biteau, J and Blaess, S.G and Blanco, A and Blazek, J and Bleve, C and Blümer, H and Boháčová, M and Boncioli, D and Bonifazi, C and Borodai, N and Botti, A.M and Brack, J and Brancus, I and Bretz, T and Bridgeman, A and Briechle, F.L and Buchholz, P and Bueno, A and Buitink, S and Buscemi, M and Caballero-Mora, K.S and Caccianiga, B and Caccianiga, L and Cancio, A and Canfora, F and Caramete, L and Caruso, R and Castellina, A and Cataldi, G and Cazon, L and Cester, R and Chavez, A.G and Chiavassa, A and Chinellato, J.A and Chirinos Diaz, J.C and Chudoba, J and Clay, R.W and Colalillo, R and Coleman, A and Collica, L and Coluccia, M.R and Conceição, R and Contreras, F and Cooper, M.J and Coutu, S and Covault, C.E and Cronin, J and Dallier, R and D'Amico, S and Daniel, B and Dasso, S and Daumiller, K and Dawson, B.R and De Almeida, R.M 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 Souza, V and Debatin, J and Del Peral, L and Deligny, O and Dhital, N and Di Giulio, C and Di Matteo, A and ... and Pierre Auger Collaboration and Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Physical review letters, ISSN 0031-9007, 10/2016, Volume 117, Issue 19, pp. 192001 - 192001
Ultrahigh energy cosmic ray air showers probe particle physics at energies beyond the reach of accelerators. Here we introduce a new method to test hadronic... 
COLLISIONS | To be checked by Faculty | Physics, Multidisciplinary | Physical Sciences | Physics | Science & Technology | Energy distribution | Test procedures | Energy measurement | Showers | Air showers | Calibration | Cosmic rays | Augers | Astrophysics | High Energy Astrophysical Phenomena | ASTRONOMY AND ASTROPHYSICS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Journal Article