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- Serge A. Kulagin
- 2006

We present the results of a phenomenological study of unpolarized nuclear structure functions for a wide kinematical region of x and Q2. As a basis of our phenomenology we develop a model which takes into account a number of different nuclear effects including nuclear shadowing, Fermi motion and nuclear binding, nuclear pions and off-shell correction to… (More)

- Serge A. Kulagin, Nikolay V Prokof'ev, Oleg A. Starykh, Boris V. Svistunov, Christopher N Varney
- Physical review letters
- 2013

We demonstrate, by considering the triangular lattice spin-1/2 Heisenberg model, that Monte Carlo sampling of skeleton Feynman diagrams within the fermionization framework offers a universal first-principles tool for strongly correlated lattice quantum systems. We observe the fermionic sign blessing--cancellation of higher order diagrams leading to a finite… (More)

- Giorgio Fiorentini, Darrel Schmitz, +114 authors Benjamin Ziemer
- Physical review letters
- 2013

We report a study of ν(μ) charged-current quasielastic events in the segmented scintillator inner tracker of the MINERvA experiment running in the NuMI neutrino beam at Fermilab. The events were selected by requiring a μ- and low calorimetric recoil energy separated from the interaction vertex. We measure the flux-averaged differential cross section,… (More)

- Serge A. Kulagin
- 1998

We discuss effect of nuclear shadowing in neutrino deep-inelastic scattering in terms of non perturbative parton model. We found that for small Bjorken x and large Q2 the structure function F3 is shadowed in nuclei about two times as stronger as F2. The underlying reason and phenomenological aspects of this observation are discussed. Key-words: neutrino,… (More)

We perform the next-to-next-leading-order (NNLO) QCD global fit of PDFs using inclusive charged-lepton and neutrino DIS data down to Q = 1 GeV. We also consider the data on neutrino-nucleon dimuon production, that allows us to disentangle the strange sea distribution. The fit results in χ/NDP = 5150/4338 = 1.2 that demonstrates a good consistency of the… (More)

- LARGER FIELDS, Jiří Chvojka, +114 authors Benjamin Ziemer
- Physical review letters
- 2013

We have isolated ν(μ) charged-current quasielastic (QE) interactions occurring in the segmented scintillator tracking region of the MINERvA detector running in the NuMI neutrino beam at Fermilab. We measure the flux-averaged differential cross section, dσ/dQ², and compare to several theoretical models of QE scattering. Good agreement is obtained with a… (More)

- Serge A. Kulagin
- 2002

We discuss the impact of nuclear effects on the higher twist terms using a particular example of the structure function xF 3 as extracted from a QCD fit to neutrino deep inelastic data on a heavy nucleus target.

We discuss calculation of nuclear corrections to the structure functions for the deepinelastic scattering of muon and (anti)neutrino. Our approach includes a QCD description of the nucleon structure functions as well as the treatment of Fermi motion and nuclear binding, off-shell correction to bound nucleon structure functions, nuclear pion excess and… (More)

We study deep-inelastic scattering from polarized nuclei within a covariant framework. A clear connection is established between relativistic and nonrelativistic limits, which enables a rigorous derivation of convolution formulae for the spin-dependent nuclear structure functions g 1 and g 2 in terms of o mass-shell extrapolations of polarized nucleon… (More)

- Serge A. Kulagin
- 2008

The charged-current quasi-elastic scattering of muon neutrino on oxygen target is computed for neutrino energy between 200 MeV and 2.5 GeV using different approximations: the Plane Wave Impulse Approximation (PWIA), the Relativistic Distorted Wave Impulse Approximation with relativistic optical potential (RDWIA), and the Relativistic Fermi Gas Model (RFGM).… (More)