A Concept of Assessment of LIV Tests with THESEUS Using the Gamma-Ray Bursts Detected by Fermi/GBM

Tsvetkova, Anastasia
;Burderi, Luciano;Riggio, Alessandro;Sanna, Andrea;Di Salvo, Tiziana
2023-01-01

Abstract

According to Einstein's special relativity theory, the speed of light in a vacuum is constant for all observers. However, quantum gravity effects could introduce its dispersion depending on the energy of photons. The investigation of the spectral lags between the gamma-ray burst (GRB) light curves recorded in distinct energy ranges could shed light on this phenomenon: the lags could reflect the variation of the speed of light if it is linearlydependent on the photon energy and a function of the GRB redshift. We propose a methodology to start investigating the dispersion law of light propagation in a vacuum using GRB light curves. This technique is intended to be fully exploited using the GRB data collected with THESEUS.
2023
Inglese
UNIVERSE
9
8
359
15
WOS:001056547900001
2-s2.0-85169113175
https://www.mdpi.com/2218-1997/9/8/359
Esperti anonimi
scientifica
gamma-ray bursts
GRBs as cosmological probes and test-bench for fundamental physics
GRBs: past, present and future experiments and missions
Goal 7: Affordable and clean energy
sì
Tsvetkova, Anastasia; Burderi, Luciano; Riggio, Alessandro; Sanna, Andrea; Di Salvo, Tiziana
1.1 Articolo in rivista
info:eu-repo/semantics/article
1 Contributo su Rivista::1.1 Articolo in rivista
262
5
none
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