Testing effects of Lorentz invariance violation in the propagation of astroparticles with the Pierre Auger Observatory

0561508 - FZÚ 2023 RIV GB eng J - Journal Article
Abreu, P. - Aglietta, M. - Albury, J.M. - Bakalová, Alena - Blažek, Jiří - Boháčová, Martina - Chudoba, Jiří - Ebr, Jan - Hamal, Petr - Janeček, Petr - Juryšek, Jakub - Mandát, Dušan - Palatka, Miroslav - Pech, Miroslav - Prouza, Michael - Řídký, Jan - dos Santos, Eva M. Martins - Schovánek, Petr - Tobiška, Petr - Trávníček, Petr - Vícha, Jakub - Yushkov, Alexey … Total 375 authors
Testing effects of Lorentz invariance violation in the propagation of astroparticles with the Pierre Auger Observatory.
Journal of Cosmology and Astroparticle Physics. Roč. 2022, č. 1 (2022), č. článku 023. ISSN 1475-7516. E-ISSN 1475-7516
R&D Projects: GA MŠMT LTT18004; GA MŠMT LM2015038; GA MŠMT(CZ) EF18_046/0016010; GA MŠMT EF16_013/0001402
Grant - others:OP VVV - AUGERII.CZ(XE) CZ.02.1.01/0.0/0.0/18_046/0016010; OP VVV - AUGER-CZ(XE) CZ.02.1.01/0.0/0.0/16_013/0001402
Research Infrastructure: AUGER-CZ II - 90102
Institutional support: RVO:68378271
Keywords : cosmic ray experiments * ultra high energy cosmic rays * physics of the early universe
OECD category: Particles and field physics
Impact factor: 6.3, year: 2022
Method of publishing: Open access

Lorentz invariance violation (LIV) is often described by dispersion relations of the form E-i(2) = m(i)(2) + p(i)(2) + delta E-i,n(2+ n) with delta different based on particle type i, with energy E, momentum p and rest mass m. Kinematics and energy thresholds of interactions are modified once the LIV terms become comparable to the squared masses of the particles involved. Thus, the strongest constraints on the LIV coefficients delta(i,n) tend to come from the highest energies. At sufficiently high energies, photons produced by cosmic ray interactions as they propagate through the Universe could be subluminal and unattenuated over cosmological distances. Cosmic ray interactions can also be modified and lead to detectable fingerprints in the energy spectrum and mass composition observed on Earth. The data collected at the Pierre Auger Observatory are therefore possibly sensitive to both the electromagnetic and hadronic sectors of LIV.

Permanent Link: https://hdl.handle.net/11104/0334101