An Estimate of the primary mass of cosmic rays at 10<sup>18</sup> eV as inferred from Volcano Ranch data
Accurate measurements of the lateral distribution of extensive air showers produced by cosmic rays of energy greater than 10<sup>17</sup> eV were made in the 1970s by Linsley. At the time, the state of knowledge about the best hadronic interaction model to use to describe such data preve...
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| Autores principales: | , , , , |
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| Formato: | Objeto de conferencia |
| Lenguaje: | Inglés |
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2003
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| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/81762 http://inspirehep.net/record/619085 |
| Aporte de: |
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I19-R120-10915-81762 |
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dspace |
| institution |
Universidad Nacional de La Plata |
| institution_str |
I-19 |
| repository_str |
R-120 |
| collection |
SEDICI (UNLP) |
| language |
Inglés |
| topic |
Ciencias Exactas Física Cascada atmosférica extensa Radiación Cósmica QGSJET98 |
| spellingShingle |
Ciencias Exactas Física Cascada atmosférica extensa Radiación Cósmica QGSJET98 Dova, María Teresa Manceñido, Mónica E. Mariazzi, Analisa Gabriela McCauley, Thomas Watson, Alan An Estimate of the primary mass of cosmic rays at 10<sup>18</sup> eV as inferred from Volcano Ranch data |
| topic_facet |
Ciencias Exactas Física Cascada atmosférica extensa Radiación Cósmica QGSJET98 |
| description |
Accurate measurements of the lateral distribution of extensive air showers produced by cosmic rays of energy greater than 10<sup>17</sup> eV were made in the 1970s by Linsley. At the time, the state of knowledge about the best hadronic interaction model to use to describe such data prevented conclusions about the cosmic ray mass from being drawn. We have used a modern model, QGSJET98, to infer the primary mass from these data, using the very careful records left by Linsley. We find that at a median energy of 10<sup>18</sup> eV, the data are well described by an iron-dominated composition (88 ± 6(stat) ± 18 (syst))%. We discuss the systematic errors in this estimate that arise from model uncertainties and from the range of energies used in the work of Linsley. These data are used with the permission of the late John Linsley to whom this work is dedicated |
| format |
Objeto de conferencia Objeto de conferencia |
| author |
Dova, María Teresa Manceñido, Mónica E. Mariazzi, Analisa Gabriela McCauley, Thomas Watson, Alan |
| author_facet |
Dova, María Teresa Manceñido, Mónica E. Mariazzi, Analisa Gabriela McCauley, Thomas Watson, Alan |
| author_sort |
Dova, María Teresa |
| title |
An Estimate of the primary mass of cosmic rays at 10<sup>18</sup> eV as inferred from Volcano Ranch data |
| title_short |
An Estimate of the primary mass of cosmic rays at 10<sup>18</sup> eV as inferred from Volcano Ranch data |
| title_full |
An Estimate of the primary mass of cosmic rays at 10<sup>18</sup> eV as inferred from Volcano Ranch data |
| title_fullStr |
An Estimate of the primary mass of cosmic rays at 10<sup>18</sup> eV as inferred from Volcano Ranch data |
| title_full_unstemmed |
An Estimate of the primary mass of cosmic rays at 10<sup>18</sup> eV as inferred from Volcano Ranch data |
| title_sort |
estimate of the primary mass of cosmic rays at 10<sup>18</sup> ev as inferred from volcano ranch data |
| publishDate |
2003 |
| url |
http://sedici.unlp.edu.ar/handle/10915/81762 http://inspirehep.net/record/619085 |
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