Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/106198
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dc.contributor.author | Aab, A. | - |
dc.contributor.author | Abreu, P. | - |
dc.contributor.author | Aglietta, M. | - |
dc.contributor.author | Samarai, I. | - |
dc.contributor.author | Albuquerque, I. | - |
dc.contributor.author | Allekotte, I. | - |
dc.contributor.author | Almela, A. | - |
dc.contributor.author | Castillo, J. | - |
dc.contributor.author | Alvarez-Muñiz, J. | - |
dc.contributor.author | Anastasi, G. | - |
dc.contributor.author | Anchordoqui, L. | - |
dc.contributor.author | Andrada, B. | - |
dc.contributor.author | Andringa, S. | - |
dc.contributor.author | Aramo, C. | - |
dc.contributor.author | Arqueros, F. | - |
dc.contributor.author | Arsene, N. | - |
dc.contributor.author | Asorey, H. | - |
dc.contributor.author | Assis, P. | - |
dc.contributor.author | Aublin, J. | - |
dc.contributor.author | Avila, G. | - |
dc.contributor.author | et al. | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | Journal of Cosmology and Astroparticle Physics, 2017; 2017(4):038-1-038-41 | - |
dc.identifier.issn | 1475-7516 | - |
dc.identifier.issn | 1475-7516 | - |
dc.identifier.uri | http://hdl.handle.net/2440/106198 | - |
dc.description | Published April 20, 2017 | - |
dc.description.abstract | We present a combined fit of a simple astrophysical model of UHECR sources to both the energy spectrum and mass composition data measured by the Pierre Auger Observatory. The fit has been performed for energies above 5 ⋅ 1018 eV, i.e. the region of the all-particle spectrum above the so-called "ankle" feature. The astrophysical model we adopted consists of identical sources uniformly distributed in a comoving volume, where nuclei are accelerated through a rigidity-dependent mechanism. The fit results suggest sources characterized by relatively low maximum injection energies, hard spectra and heavy chemical composition. We also show that uncertainties about physical quantities relevant to UHECR propagation and shower development have a non-negligible impact on the fit results. | - |
dc.description.statementofresponsibility | A. Aab … J.A. Bellido ... S.G. Blaess … R.W. Clay … M.J. Cooper … B.R. Dawson … T.D. Grubb … T.A. Harrison … G.C. Hill … P.H. Nguyen … S.J. Saffi … J. Sorokin … T. Sudholz … P. van Bodegom … et al. (The Pierre Auger Collaboration) | - |
dc.language.iso | en | - |
dc.publisher | IOP Publishing | - |
dc.rights | © 2017 IOP Publishing Ltd and Sissa Medialab srl | - |
dc.source.uri | http://dx.doi.org/10.1088/1475-7516/2017/04/038 | - |
dc.subject | Ultra high energy cosmic rays; cosmic ray experiments; cosmic ray theory; intergalactic media | - |
dc.title | Combined fit of spectrum and composition data as measured by the Pierre Auger Observatory | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1088/1475-7516/2017/04/038 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Bellido, J. [0000-0002-0833-9194] | - |
dc.identifier.orcid | Clay, R. [0000-0002-9040-9648] | - |
dc.identifier.orcid | Dawson, B. [0000-0002-4271-3055] | - |
Appears in Collections: | Aurora harvest 3 Physics publications |
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