Colalillo, Roberta
(2015)
Primary mass discrimination with the Auger Experiment: the energy spectrum of light elements.
[Tesi di dottorato]
| Item Type: |
Tesi di dottorato
|
| Resource language: |
English |
| Title: |
Primary mass discrimination with the Auger Experiment: the energy spectrum of light elements |
| Creators: |
| Creators | Email |
|---|
| Colalillo, Roberta | colalillo@na.infn.it |
|
| Date: |
31 March 2015 |
| Number of Pages: |
147 |
| Institution: |
Università degli Studi di Napoli Federico II |
| Department: |
Fisica |
| Scuola di dottorato: |
Scienze fisiche |
| Dottorato: |
Fisica fondamentale ed applicata |
| Ciclo di dottorato: |
27 |
| Coordinatore del Corso di dottorato: |
| nome | email |
|---|
| Velotta, Raffaele | rvelotta@unina.it |
|
| Tutor: |
| nome | email |
|---|
| Guarino, Fausto | UNSPECIFIED |
|
| Date: |
31 March 2015 |
| Number of Pages: |
147 |
| Keywords: |
cosmic rays, energy spectrum, mass composition |
| Settori scientifico-disciplinari del MIUR: |
Area 02 - Scienze fisiche > FIS/01 - Fisica sperimentale |
| Aree tematiche (7° programma Quadro): |
SPAZIO > Attività di Ricerca e Sviluppo nelle Scienze spaziali |
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| Date Deposited: |
14 Apr 2015 09:20 |
| Last Modified: |
08 Oct 2015 07:46 |
| URI: |
http://www.fedoa.unina.it/id/eprint/10508 |
| DOI: |
10.6092/UNINA/FEDOA/10508 |
Collection description
The Auger Observatory all particle spectrum shows clearly both the ankle at 10^18.7 eV and a strong flux suppression at the highest energies. However with present data it is not yet possible to tell if the suppression is related to the lack of sources which are able to accelerate CR up to these energies or to the loss of energy due to interaction of cosmic rays with CMB (GZK effect). The information on the energy-dependent elemental composition of cosmic rays is one of the most fundamental inputs needed to distinguish among different models on the origin of features of the spectrum. In this work, the energy spectrum of light elements is derived using hybrid and surface detector events collected by the Auger Observatory. In addition, the primary mass discrimination capability of the different proposed upgrades for the Auger detector are discussed.
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