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Nucleon structure functions are studied within the chiral soliton approach to the bosonized Nambu-Jona-Lasinio model. The valence quark approximation is employed which is justified for moderate constituent quark masses ($\sim$ 400 MeV) as…

High Energy Physics - Phenomenology · Physics 2016-09-01 H. Weigel , L. Gamberg , H. Reinhardt

The nucleon structure function $F_2^N$ computed in a holographic framework can be used to describe nuclear deep inelastic scattering effects provided that a rescaling of the $Q^2$ momentum and of the IR hard-wall parameter $z_0$ is made.…

High Energy Physics - Phenomenology · Physics 2014-02-20 L. Agozzino , P. Castorina , P. Colangelo

Determination of parton distribution functions in nuclei is important for calculating nuclear corrections in oscillation experiments, from which detailed information should be extracted on neutrino properties. First, nuclear parton…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Kumano

Nuclear effects in the spin-dependent structure function $g_1$ of the deuteron are studied in the kinematics of future experiments at CEBAF, ($\nu \leq 3~GeV, ~Q^2 \leq 2~GeV^2$). The magnitude of nuclear effects is found to be…

Nuclear Theory · Physics 2015-06-26 C. Ciofi degli Atti , S. Scopetta , A. Yu. Umnikov , L. P. Kaptari

We show how exclusive vector meson production off light ions can be used to probe the spatial distribution of small-$x$ gluons in the deuteron and $^3$He wave functions. In particular, we demonstrate how short range repulsive…

High Energy Physics - Phenomenology · Physics 2020-01-30 Heikki Mäntysaari , Björn Schenke

The common view that structure functions measured in deep inelastic lepton scattering are determined by the probability of finding quarks and gluons in the target is not correct in gauge theory. We show that gluon exchange between the fast,…

High Energy Physics - Phenomenology · Physics 2009-09-11 Stanley J. Brodsky , Paul Hoyer , Nils Marchal , Stephane Peigne , Francesco Sannino

We compute diffractive structure functions for both protons and nuclei in the framework of Color Glass Condensate models with impact parameter dependence. These models have previously been shown to provide good agreement with inclusive F_2…

High Energy Physics - Phenomenology · Physics 2009-01-14 H. Kowalski , T. Lappi , C. Marquet , R. Venugopalan

We investigate deep inelastic lepton scattering from the nucleon within a constituent quark picture, in which the internal structure of constituent quarks is modeled by meson and diquark dressing. In a covariant framework this structure…

Nuclear Theory · Physics 2009-10-28 W. Melnitchouk , W. Weise

Nuclear effects in polarized inelastic electron scattering off polarized $^3He$ and polarized $^2H$ are discussed; in the resonance region, Fermi motion effects are found to be much larger than in deep inelastic scattering. It is shown that…

Nuclear Theory · Physics 2008-02-03 S. Scopetta , A. Yu. Umnikov , C. Ciofi degli Atti , L. P. Kaptari

The nuclear structure function F_2A(x) has been studied in the Bjorken limit for (l, l') scattering on nuclei in the region of x > 1 and was found to be very sensitive to the information contained in the nucleon spectral function in nuclei,…

Nuclear Theory · Physics 2016-08-15 P. Fernández de Córdoba , E. Marco , H. Müther , E. Oset , A. Faessler

Deep inelastic structure functions $F_2^A(x)$ are investigated in a $Q^2$ rescaling model with parton recombination effects. We find that the model can explain experimentally measured $F_2^A(x)$ structure functions reasonably well in the…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Kumano

We propose new Transverse Momentum Dependent (TMD) gluon densities in nuclei. Our method is based on a combination of the color dipole scattering formalism, within which we interpret the nuclear deep inelastic structure functions…

High Energy Physics - Phenomenology · Physics 2025-05-06 A. V. Lipatov , G. I. Lykasov , M. A. Malyshev

The overlap of the nucleons in nuclei plays an important role in understanding the nuclear dependence of deep inelastic scattering data. It is shown that the nuclear modification of the higher twist scale can be essentially determined by…

Nuclear Theory · Physics 2009-11-10 P. Castorina

In this contribution we present an exploratory QCD analysis of the neutrino structure functions in charged current DIS using the color dipole formalism. The corresponding dipole cross sections are taken from recent phenomenological and…

High Energy Physics - Phenomenology · Physics 2011-08-04 M. B. Gay Ducati , M. M. Machado , M. V. T. Machado

Different types of high-energy hadron-nucleus cross sections are discussed emphasizing the role played by Nucleon-Nucleon (NN) Short-Range Correlations (SRC) and Gribov Inelastic Shadowing (IS)

Nuclear Theory · Physics 2012-11-14 Claudio Ciofi degli Atti

The longitudinal structure function for nucleons and nuclei is considered at fixed $\sqrt{s}$ and $Q^2$ to the minimum value of $x$ given by $Q^2/s$. This is done using the expansion method and color dipole model in the next-to-leading…

High Energy Physics - Phenomenology · Physics 2025-10-21 G. R. Boroun

We have studied the nucleon structure functions $F_{iN}^{EM} (x,Q^2);~i=1,2$, by including contributions due to the higher order perturbative QCD effect up to NNLO and the non-perturbative effects due to the kinematical and dynamical higher…

High Energy Physics - Phenomenology · Physics 2019-06-05 F. Zaidi , H. Haider , M. Sajjad Athar , S. K. Singh , I. Ruiz Simo

The momentum distributions of partons in bound nucleons are known to depend significantly on the size of the nucleus. The Fourier transform of the momentum ($\xbj$) distribution measures the overlap between Fock components of the nucleon…

High Energy Physics - Phenomenology · Physics 2010-11-19 P. Hoyer , M. Vänttinen

The nucleon and nuclear longitudinal structure functions are determined by the Kharzeev-Levin-Nardin (KLN) model of the low $x$ gluon distribution. The behavior of the gluon distribution ratio $R_{g}={G^{A}}/{AG^{p}}$ and the ratio…

High Energy Physics - Phenomenology · Physics 2018-01-17 G. R. Boroun , B. Rezaei , S. Heidari

We discuss the studies on structure functions at the possible future RCNP facility. At this stage, an electron-proton or proton-proton collider with sqrt{s}=5 - 10 GeV is considered. We explain large-x physics, nuclear modification of…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Hino , S. Kumano