2,401 research outputs found
UHE neutrinos: higher twists, scales, saturation
It is shown that in the ultra-high energy neutrino interactions the higher
twist corrections brought about by the non-conservation of the top-bottom
current dramatically change the longitudinal structure function, . To the
Double Leading Log Approximation simple and numerically accurate formulas for
and are derived.Comment: 5 pages, 1 figure, Talk given at Diffraction 2010, Otranto (Lecce),
Italy, September 10-15, 201
Absorption in Ultra-Peripheral Nucleus-Atom Collisions in Crystal
The Glauber theory description of particle- and nucleus-crystal Coulomb
interactions at high-energy is developed. The allowance for the lattice thermal
vibrations is shown to produce strong absorption effect which is of prime
importance for quantitative understanding of the coherent Coulomb excitation of
ultra-relativistic particles and nuclei passing through the crystal.Comment: 8 pages, LaTe
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