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Lorentz invariance tests using astroparticle physics data

Grant number: 14/26816-0
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): April 01, 2015
Effective date (End): February 28, 2017
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Acordo de Cooperação: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Luiz Vitor de Souza Filho
Grantee:Rodrigo Guedes Lang
Host Institution: Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil


We propose to studyt Lorentz invariance in the context of astroparticle physics. The most energetic particles we can study are produced in astrophysical enviroments and detected on earth by dedicated experiments. These particles represents an extraordinary oportunity to study Lorentz invariance due to its extreme energy and large distance of the source. Cosmic rays are an important source of information because they are produced in extreme sites of the universe and travels long distances until earth. In the production and on the way to earth, quantum-gravity effects can accumulate and residual manifestations can be detected by the Pierre Auger Observatory (E ~10^ {20} eV) or by the CTA Observatory (E ~ 10^ {12} eV). In this master project, the student will approach these questions in two contexts: a) exploring the energy spectrum measured by the Pierre Auger Observatory and b) studying the temporal dispersion of the signal to be measured by the CTA Observatory. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LANG, RODRIGO GUEDES; MARTINEZ-HUERTA, HUMBERTO; DE SOUZA, VITOR. Limits on the Lorentz Invariance Violation from UHECR Astrophysics. ASTROPHYSICAL JOURNAL, v. 853, n. 1, . (17/03680-3, 15/15897-1, 16/24943-0, 14/26816-0)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
LANG, Rodrigo Guedes. Effects of Lorentz invariance violation on the ultra-high energy cosmic rays spectrum. 2017. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Física de São Carlos (IFSC/BT) São Carlos.

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