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Nuclear shadowing corrections to the structure functions of deep inelastic scattering of intermediate-mass nuclei are calculated at very low values of Bjorken x and small values of Q^2 (Q^2<5 GeV^2). The two-component approach (generalized…

High Energy Physics - Phenomenology · Physics 2015-12-16 Edgar V. Bugaev , Boris V. Mangazeev

The principles behind the detailed results of a light-front mean field theory of finite nuclei are elucidated by deriving the nucleon mode equation using a simple general argument, based on the idea that a static source in equal time…

Nuclear Theory · Physics 2009-10-31 P. G. Blunden , M. Burkardt , G. A. Miller

We investigate shadowing effects in deep-inelastic scattering from nuclei at small values $x<0.1$ of the Bjorken variable. Unifying aspects of generalized vector meson dominance and color transparency we first develop a model for…

High Energy Physics - Phenomenology · Physics 2015-06-25 G. Piller , W. Ratzka , W. Weise

Exclusive reactions induced at high momentum transfer in few body systems provide us with an original way to study the production and propagation of hadrons in cold nuclear matter. In very well defined parts of the phase space, the reaction…

Nuclear Theory · Physics 2009-11-11 J. -M. Laget

A rigorous light-front formalism for electron deep inelastic scattering on unpolarized nuclei, in Bjorken limit, is reported. It preserves Poincar\'e covariance, macroscopic locality, both number of particles and momentum sum rules. The…

Nuclear Theory · Physics 2023-03-22 Emanuele Pace , Matteo Rinaldi , Giovanni Salme` , Sergio Scopetta

The coherent $\omega$-meson photoproduction from nuclei is proposed as a phenomenological method to evaluate the momentum dependence of $\omega$-meson mass shift and width in nuclear matter. We analyze available data on un-separated…

Nuclear Theory · Physics 2007-05-23 A. Sibirtsev , Ch. Elster , J. Speth

We calculate the spectral function of the omega meson in nuclear matter at zero temperature by means of the low-density theorem. The omega N forward scattering amplitude is calculated within a unitary coupled-channel effective Lagrangian…

Nuclear Theory · Physics 2008-11-26 P. Muehlich , V. Shklyar , S. Leupold , U. Mosel , M. Post

Neutrinos with energy of order 10~MeV, such as from pion decay-at-rest sources, are an invaluable tool for studying low-energy neutrino interactions with nuclei -- previously enabling the first measurement of coherent elastic…

High Energy Physics - Phenomenology · Physics 2022-12-23 Bhaskar Dutta , Wei-Chih Huang , Jayden L. Newstead , Vishvas Pandey

An approach for a Poincar\'e covariant description of nuclear structure and of lepton scattering off nuclei is proposed within the relativistic Hamiltonian dynamics in the light-front form. Indeed a high level of accuracy is needed for a…

Nuclear Theory · Physics 2020-06-24 Emanuele Pace , Matteo Rinaldi , Giovanni Salmè , Sergio Scopetta

Within the relativistic Brueckner-Hartree-Fock theory in the full Dirac space, the tensor-force effects on infinite nuclear matter are elucidated by subtracting the matrix elements of tensor forces from the realistic nucleon-nucleon…

Nuclear Theory · Physics 2024-06-04 Sibo Wang , Hui Tong , Chencan Wang , Qiang Zhao , Peter Ring , Jie Meng

We investigate the modification induced on the nucleon-nucleon cross section by screening of the interaction inside nuclear matter. The interaction is described by the relativistic one boson exchange of $\sigma$, $\omega$ and $\pi$ mesons.…

Nuclear Theory · Physics 2009-10-31 J. Diaz Alonso , L. Mornas

Light (sub-GeV) dark matter has gained increasing interest in terms of direct detection. Accelerated dark matter is a promising candidate that can generate detectable nuclear recoil energy within the sub-GeV range. Because of the large…

High Energy Physics - Phenomenology · Physics 2024-01-23 Liangliang Su , Lei Wu , Bin Zhu

In both absence and presence of a circularly polarized monochromatic electromagnetic pulse, we have analyzed the electron-nucleon scattering process, where the nucleon is assumed to be spinless with a spherical shape. We have provided the…

High Energy Physics - Phenomenology · Physics 2022-08-22 I. Dahiri , M. Baouahi , M. Ouali , B. Manaut , E. Hrour , M. El Idrissi , S. Taj

Light-front wave functions play a fundamental role in the light-front quantization approach to QCD and hadron structure. However, a naive implementation of the light-front quantization suffers from various subtleties including the…

High Energy Physics - Phenomenology · Physics 2022-05-04 Xiangdong Ji , Yizhuang Liu

Early growth of density fluctuations of nuclear matter in spinodal region is investigated employing the stochastic mean-field approach. In contrast to the earlier treatments in which only collective modes were included in the calculations,…

Nuclear Theory · Physics 2015-01-26 O. Yilmaz , S. Ayik , F. Acar , A. Gokalp

The vacuum fluctuation (VF) effects on asymmetric nuclear matter are investigated. Masses of nucleons and mesons are modified in the nuclear medium by calculating the loop-diagram corrections and the density dependence of hadron masses is…

High Energy Physics - Phenomenology · Physics 2010-11-23 X. -H. Guo , B. Liu , M. -H. Weng

Properties of nuclear and neutron matter are discussed in a nonlinear $\sigma$-$\omega$-$\rho$ mean-field approximation with self-interactions and mixing-interactions of mesons and baryons. The nonlinear interactions are renormalized by…

Nuclear Theory · Physics 2008-11-26 Hiroshi Uechi

We estimate the energy losses in the case of deep-inelastic scattering on nuclear targets in terms of the effective change of the virtual photon energy. Our phenomenological results are in reasonable agreement with theoretical calculations.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ya. A. Berdnikov , M. M. Ryzhinskiy , Yu. M. Shabelski

The fundamental description of both structural properties and reactions of light nuclei in terms of constituent protons and neutrons interacting through nucleon-nucleon and three-nucleon forces is a long-sought goal of nuclear theory. I…

We study the impact of nuclear effects on the extraction of the weak-mixing angle $\sin^2\theta_W$ from deep inelastic (anti-)neutrino-nucleus scattering, with special emphasis on the recently announced NuTeV Collaboration 3$\sigma$…

High Energy Physics - Phenomenology · Physics 2009-11-07 Sergey Kovalenko , Ivan Schmidt , Jian-Jun Yang