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New physics in astroparticle physics: dark matter and Lorentz invariance

Grant number: 16/24943-0
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): April 01, 2017
Effective date (End): February 10, 2021
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
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
Associated research grant:15/15897-1 - Cherenkov Telescope Array - CTA, AP.TEM
Associated scholarship(s):19/01653-4 - On the importance of local sources of ultra-high energy cosmic rays, BE.EP.DR


The production of ultra high energetic particles in the Universe is one of the most imprtant mysteries in modern science. The acceleration mechanisms in astrophysical sources are not known and recent results points to the need of a multi-mensager approach to help in understanding this puzzle. The interpretation of the data depends on our knowledge of the fundamental interactions in a energy range beyond the reach of man-made accelerators. Therefore, astroparticle physics is an unique research field in which fundamental astrophysics and particles physics play a important role. In this project, we will study the possibility to detect ou set limits on the Lorentz invariance using the propagation of particles in the Universe and we will study the possibility to detect dark matter in indirect measurement of gamma-ray flux. Part of the work to be done in the PhD is a extension of the master dissertatino of the student and the our effort is inserted in the Pierre Auger and CTA Observatory framework. (AU)

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Scientific publications (5)
(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. Improved limits on Lorentz invariance violation from astrophysical gamma-ray sources. Physical Review D, v. 99, n. 4, . (17/03680-3, 15/15897-1, 16/24943-0)
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)
LANG, RODRIGO GUEDES; TAYLOR, ANDREW M.; DE SOUZA, VITOR. Ultrahigh-energy cosmic rays dipole and beyond. Physical Review D, v. 103, n. 6, . (19/01653-4, 16/24943-0, 15/15897-1)
MARTINEZ-HUERTA, HUMBERTO; LANG, RODRIGO GUEDES; DE SOUZA, VITOR. Lorentz Invariance Violation Tests in Astroparticle Physics. SYMMETRY-BASEL, v. 12, n. 8, . (19/01653-4, 17/03680-3, 15/15897-1, 16/24943-0)
LANG, RODRIGO GUEDES; TAYLOR, ANDREW M.; AHLERS, MARKUS; DE SOUZA, VITOR. Revisiting the distance to the nearest ultrahigh energy cosmic ray source: Effects of extragalactic magnetic fields. Physical Review D, v. 102, n. 6, . (19/01653-4, 16/24943-0, 15/15897-1)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
LANG, Rodrigo Guedes. Phenomenology of the propagation of astroparticles: Lorentz invariance violation and the origin of ultra-high energy cosmic rays. 2021. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Física de São Carlos (IFSC/BT) São Carlos.

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