2010/09/09 by Luis Gonzalez‐Mestres, Luis Gonzalez-Mestres, Gonzalez-Mestres, Luis
Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Cosmology and Gravitation Theories #FOS: Physical sciences #High Energy Astrophysical Phenomena (astro-ph.HE) #High Energy Physics - Phenomenology (hep-ph) #Noncommutative and Quantum Gravity Theories #astro-ph.HE #hep-ph
paper · pdf · doi:10.48550/arxiv.1009.1853
7 pages, enlarged version
openalex publication_date 2010/09/09 · arxiv created 2010/09/29 · arxiv updated 2010/09/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The possibility that Pamir data at very high energy cannot be fully explained by standard physics has recently led to the suggestion that the peculiar jet structure observed above ~ 10E16 eV could be due to a suppression of effective space transverse dimensions. The new pattern considered violates Lorentz symmetry. We point out that, in models with Lorentz symmetry violation, a suppression of available transverse energy for jets while conserving longitudinal momentum can be generated by new forms of energy losses at very high energy without altering space-time structure. An illustrative example can be superbradyon emission, where in all cases the superbradyon energy would be much larger than its momentum times c (speed of light). More generally, such phenomena could be due to the interaction of the high-energy cosmic ray with new vacuum and/or particle structure below the 10E-20 cm scale. Scenarios involving Lorentz symmetry violation but not superbradyons are also briefly considered.