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相关论文: Nuclear Structure Functions at Small x in Multiple…

200 篇论文

While current nuclear parton distribution functions (nPDFs) from global fits to experimental data are spatially homogeneous, many experimental observables in nucleus-nucleus collisions are presented in terms of centrality cuts. These cuts…

高能物理 - 唯象学 · 物理学 2010-07-01 Adeola Adeluyi , Trang Nguyen , Bao-An Li

The longitudinal structure function in deep inelastic scattering is one of the observables from which the gluon distribution can be unfolded. Consequently, this observable can be used to constrain the QCD dynamics at small $x$. In this work…

高能物理 - 唯象学 · 物理学 2011-09-13 V. P. Goncalves , M. V. T. Machado

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…

高能物理 - 唯象学 · 物理学 2007-05-23 S. Hino , S. Kumano

We examine saturation properties of a quark-based picture of nuclear matter. Soliton matter consisting of nonlocal confining solitons is used to model nuclear matter. Each composite nucleon is described by a non-topological soliton as given…

核理论 · 物理学 2007-05-23 Charles W. Johnson , George Fai

Effect of bound nucleon internal structure change on nuclear structure functions is investigated based on local quark-hadron duality. The bound nucleon structure functions calculated for charged-lepton and (anti)neutrino scattering are all…

高能物理 - 唯象学 · 物理学 2014-11-18 K. Tsushima , K. Saito , F. M. Steffens

We analyze the possibility of extracting a clear signal of non-linear parton saturation effects from future measurements of nuclear structure functions at the Electron-Ion Collider (EIC), in the small-x region. Our approach consists in…

高能物理 - 唯象学 · 物理学 2017-09-13 Cyrille Marquet , Manoel R. Moldes , Pía Zurita

We present analyses on nucleon structure functions at the small Bjorken-$x$ in the framework of holographic QCD. In this study, we improve the description of the target nucleon in the current setup of the holographic model by introducing a…

高能物理 - 唯象学 · 物理学 2014-08-04 Akira Watanabe , Katsuhiko Suzuki

We present a quark-parton model to describe polarized and unpolarized nucleon structure functions. The twist-two matrix elements for the QCD evolution analysis of lepton-hadron scattering are calculated within a light-front covariant quark…

高能物理 - 唯象学 · 物理学 2011-04-15 Marco Traini , Pietro Faccioli , Vicente Vento

The behavior of the nucleon structure functions in lepton nuclei deep inelastic scattering, both polarized and unpolarized, due to nuclear structure effects is reanalyzed. The study is performed in two schemes: an x-rescaling approach, and…

高能物理 - 唯象学 · 物理学 2015-06-19 H. Fanchiotti , C. A. García-Canal , T. Tarutina , V. Vento

The shadowing and antishadowing of nuclear structure functions in the Gribov-Glauber picture is due respectively to the destructive and constructive interference of amplitudes arising from the multiple-scattering of quarks in the nucleus.…

高能物理 - 唯象学 · 物理学 2009-09-11 Stanley J. Brodsky , Ivan Schmidt , Jian-Jun Yang

Based on a simple model which is compatible with the idea of the static quark model and the parton model, the polarized structure functions of proton and deuteron, two-spin asymmetries of $\pi ^0$ in polarized $pp$ reactions and inelastic…

高能物理 - 唯象学 · 物理学 2007-05-23 Toshiyuki Morii

Nuclear structure functions and cross-sections for heavy flavour production in lepton-nucleus collisions are investigated in the low $x$ region accessible now or in the near future. The scattering on a heavy nucleus is described by the sum…

高能物理 - 唯象学 · 物理学 2011-09-13 N. Armesto , M. A. Braun

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,…

核理论 · 物理学 2016-08-15 P. Fernández de Córdoba , E. Marco , H. Müther , E. Oset , A. Faessler

Considering the high-energy limit of the QCD gluon distribution inside a nucleus, we calculate the proton-nucleus total inelastic cross section using a simplified dipole model. We show that, if gluon saturation occurs in the nuclear surface…

高能物理 - 唯象学 · 物理学 2014-11-20 L. Portugal , T. Kodama

We analyze the processes of deep inelastic and quasielastic scattering in the region of x > 1. These processes are found to be very sensitive to the information contained in the nucleon spectral function in nuclei, particularly to the…

核理论 · 物理学 2007-05-23 P. Fernández de Córdoba , E. Marco , H. Müther , E. Oset , A. Faessler

A phenomenological model for the nucleon structure functions is presented. Visualising the nucleon as a cavity filled with parton gas in thermal equilibrium and parametrizing the effects due to the finiteness of the nucleon volume, we…

高能物理 - 唯象学 · 物理学 2009-10-28 R. S. Bhalerao

The two-nucleon spectral function in nuclear matter is studied using Correlated Basis Function perturbation theory, including central and tensor correlations produceded by a realistic hamiltonian. The factorization property of the…

核理论 · 物理学 2009-10-31 Omar Benhar , Adelchi Fabrocini

An overview is given of the theoretical work on nucleon spectral functions in finite nuclei. The consequences of the observed spectral strength distribution are then considered in the context of the nuclear-matter saturation problem.…

核理论 · 物理学 2009-09-25 W. H. Dickhoff , E. P. Roth

We have studied nuclear structure functions $F_{1A}(x,Q^2)$ and $F_{2A}(x,Q^2)$ for electromagnetic and weak processes in the region of $1 GeV^2 < Q^2 <8 GeV^2$. The nuclear medium effects arising due to Fermi motion, binding energy,…

核理论 · 物理学 2016-12-21 H. Haider , F. Zaidi , M. Sajjad Athar , S. K. Singh , I. Ruiz Simo

Nucleon structure functions, as measured in deep-inelastic lepton scattering, are studied within a covariant scalar diquark spectator model. Regarding the nucleon as an approximate two-body bound state of a quark and diquark, the…

高能物理 - 唯象学 · 物理学 2015-06-25 K. Kusaka , G. Piller , A. W. Thomas , A. G. Williams