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- Joint Institute for Nuclear ResearchRU66 papers
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13 papers · 1 filter
Lepton Number Violating Processes Mediated by Majorana Neutrinos at Hadron Colliders
Sergey Kovalenko, Zhun Lu, Ivan Schmidt
We study the Lepton number violating like-sign dilepton processes and , mediated by heavy GeV scal…
Rational approximations in Analytic QCD
Gorazd Cvetic, Hector E. Martinez
We consider the ``modified Minimal Analytic'' (mMA) coupling that involves an infrared cut to the standard MA coupling. The mMA coupling is a Stieltjes function and, as a consequen…
Meson wave function from holographic models
Alfredo Vega, Ivan Schmidt, Tanja Branz +2
We consider the light-front wave function for the valence quark state of mesons using the AdS/CFT correspondence, as has been suggested by Brodsky and Teramond. Two kinds of wave f…
Real Compton Scattering via Color Dipoles
B. Z. Kopeliovich, Ivan Schmidt, M. Siddikov
We study photoabsorption reaction and real Compton scattering (RCS) within the color dipole model. We rely on a photon wave function derived in the instanton vacuum model, and on t…
Small-x behavior of the structure function F_2 and its slope partial ln(F_2)/partial ln(1/x) for "frozen" and analytic strong-coupling constants
G. Cvetic, A. Yu. Illarionov, B. A. Kniehl +1
Using the leading-twist approximation of the Wilson operator product expansion with "frozen" and analytic versions of the strong-coupling constant, we show that the Bessel-inspired…
On the evaluation of Matsubara sums
Olivier Espinosa
Given a connected (multi)graph G, consisting of V vertices and I lines, we consider a class of multidimensional sums constructed in the following way: - orient the lines of the gra…