On Ultrahigh-energy Neutrino Scattering

Abstract

We predict the neutrino-nucleon cross section at ultrahigh energies relevant in connection with the search for high-energy cosmic neutrinos. Our investigation, employing the color-dipole picture, among other things allows us to quantitatively determine which fraction of the ultrahigh-energy neutrino-nucleon cross section stems from the saturation versus the color-transparency region. We disagree with various results in the literature that predict a strong suppression of the neutrino-nucleon cross section at neutrino energies above $E\cong 10^{9}GeV$. Suppression in the sense of a diminished increase of the neutrino-nucleon cross section with energy only starts to occur at neutrino energies beyond $E\cong 10^{14}GeV$.

18 pages, 6 figures, Expanded comparison with results in the literature

References in corpus (6)

• Analytic Expression for the Joint x and Q^2 Dependences of the Structure Functions of Deep Inelastic Scattering
• Small x Behavior of Parton Distributions from the Observed Froissart Energy Dependence of the Deep Inelastic Scattering Cross Section
• Ultrahigh-energy neutrino-nucleon deep-inelastic scattering and the Froissart bound
• A comparative study of the neutrino-nucleon cross section at ultra high energies
• Ultra-high energy neutrino scattering
• The Color Dipole Picture and the ratio of R(W, Q) = sigma L/sigma T

Cited by in corpus (6)

• New physics with ultra-high-energy neutrinos
• Color Dipole Picture of Deep Inelastic Scattering, Revisited
• Investigating the effects of the QCD dynamics in the neutrino absorption by the Earth's interior at ultrahigh energies
• Nuclear Structure Functions at Low-$x$ in a Holographic Approach
• Problems with Ultrahigh-energy Neutrino Interactions
• On the Color Dipole Picture