WebSep 30, 1968 · We have made a detailed calculation of the lifetime and attentuation mean free path of high-energy cosmic rays against photomeson production. The calculation … WebLorella M. Jones (1943-1995) Lorella M. Jones. Lorella M. Jones, professor of physics and director of the Computer-based Education Research Laboratory (CERL) at the University of Illinois at Urbana-Champaign, died on February 9, 1995, at the age of 51.. Her research career in theoretical high-energy physics was focused on four key areas: Regge pole theory, …
Effect of Photomeson Production by the Universal …
WebNonthermal processes in active galactic nuclei (AGNs) can lead to the efficient production of extremely relativistic protons, with energies of up to 10^7^-10^8^ GeV. Such protons would interact with the intense radiation field as well as the ambient plasma through a variety of processes, including inelastic proton-proton collisions, photomeson production, and … WebJan 30, 2024 · Photomeson production by nucleons or nuclei also leads to neutrons, as well as neutrinos. The beam of neutrons and secondary particles is collimated with an opening angle of ∼1/Γ, where Γ ∼ δ . i promise i won\u0027t cry
The formation of the cosmic ray energy spectrum by a photon field
WebMar 1, 1993 · The reciprocal mean free path for photodisintegration of nuclei and the reciprocal mean interaction length of protons for photomeson production calculated for a background photon spectrum of power law (a) and Planckian (b) type. where cr^A) = 1.45 x lO"27 XA cm2, r =8 MeV is the energy bandwidth of the giant resonance, eo = 42.65 XA-0 … WebRelativistic dispersion relations for photomeson production, analogous to the pion-nucleon scattering dispersion relations, are formulated without proof. The assumption that the 33 resonance dominates the dispersion integrals then leads to detailed predictions about the photomeson amplitude. An attempt is made to keep first order (in $\\frac{v}{c}$) nucleon … WebMar 2, 2006 · High energy neutrino emission from gamma-ray bursts (GRBs) is discussed. In this paper, by using the simulation kit GEANT4, we calculate proton cooling efficiency … i promise i will never stop going in