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相关论文: Relativistic nature of the EMC effect

200 篇论文

A covariant field theoretical approach to deep inelastic scattering on the deuteron is presented. The deuteron structure function is calculated in terms of the Bethe-Salpeter amplitude. Numerical calculations for the nucleon contribution…

核理论 · 物理学 2011-07-19 A. Yu. Umnikov , L. P. Kaptari , K. Yu. Kazakov , F. C. Khanna

A quantitative understanding of the weak nuclear response is a prerequisite for the analyses of neutrino experiments such as K2K and MiniBOONE, which measure energy and angle of the muons produced in neutrino-nucleus interactions in the…

高能物理 - 唯象学 · 物理学 2009-11-11 Omar Benhar , Nicola Farina , Hiroki Nakamura , Makoto Sakuda , Ryoichi Seki

In this paper, we examine the hypothesis that the nuclear EMC effect comes merely from the N-N SRC pairs inside the nucleus and that the properties of N-N SRC pair are universal among the various nuclei, using the conventional $x$-rescaling…

核理论 · 物理学 2023-02-24 Rong Wang , Na-Na Ma , Tao-Feng Wang

The effects of the nuclear structure uncertainties on the description of processes induced by coherent scattering of neutrinos on nuclei are investigated. A reference calculation based on a specific nuclear model is defined and the cross…

核理论 · 物理学 2020-05-06 G. Co' , M. Anguiano , A. M. Lallena

The theoretical formalism of inclusive lepton-nucleus scattering in the two-nucleon emission channel is discussed in the context of a simplified approach, the modified convolution approximation. This allows one to write the 2p2h responses…

Cross sections are calculated for neutrino scattering off heavy nuclei at energies below 50 MeV. The theory of Fermi liquid is applied to estimate the rate of neutrino-nucleon elastic and inelastic scattering in a nuclear medium in terms of…

核理论 · 物理学 2008-11-26 Gennady I. Lykasov , Vadim A. Bednyakov

We analyze experimental data of nuclear structure function ratios $F_2^A/F_2^D$ for obtaining optimum parton distribution functions (PDFs) in nuclei. Then, uncertainties of the nuclear PDFs are estimated by the Hessian method.…

高能物理 - 唯象学 · 物理学 2011-04-11 S. Atashbar Tehrani , A. Mirjalili , Ali N. Khorramian

A substantial fraction of systematic uncertainties in neutrino oscillation experiments stems from the lack of precision in modeling the nucleus when describing the neutrino-nucleus interactions. The Spectral Function (SF) model features a…

高能物理 - 唯象学 · 物理学 2022-08-29 Jaafar Chakrani , Margherita Buizza Avanzini , Stephen Dolan

Spectral functions do not fully describe quasielastic electron and neutrino scattering from nuclei because they only model the initial state. Final state interactions distort the shape of the differential cross section at the peak and…

核理论 · 物理学 2016-06-02 A. Bodek , M. E. Christy , B. Coopersmith

Atomic electrons are sensitive to the properties of the nucleus they are bound to, such as nuclear mass, charge distribution, spin, magnetization distribution, or even excited level scheme. These nuclear parameters are reflected in the…

原子物理 · 物理学 2011-06-17 Adriana Pálffy

This paper shows quantitatively that the magnitude of the EMC effect measured in electron deep inelastic scattering (DIS) at intermediate $x_B$, $0.35\le x_B\le 0.7$, is linearly related to the Short Range Correlation (SRC) scaling factor…

高能物理 - 唯象学 · 物理学 2011-02-09 L. B. Weinstein , E. Piasetzky , D. W. Higinbotham , J. Gomez , O. Hen , R. Shneor

Comparison of structure functions measured in neutrino and charged lepton deep inelastic scattering can be used to test basic properties of parton distribution functions such as the validity of charge symmetry. Recent experiments indicate a…

高能物理 - 唯象学 · 物理学 2007-05-23 C. Boros , J. T. Londergan , A. W. Thomas

The energy spectrum of nucleons in high-density nuclear matter is investigated in the framework of relativistic meson-nucleon many-body theory, employing the $1/N$ expansion method. The coupling of the nucleon with the particle-hole…

核理论 · 物理学 2009-09-25 Kazuhiro Tanaka

Analyzing global data on the EMC effect, which denotes differences in parton distribution functions in nuclei compared to unbound nucleons, reveals tensions. Precise measurements at Jefferson Lab, studying both x and A dependence, show…

核实验 · 物理学 2024-02-28 S. Moran , M. Arratia , J. Arrington , D. Gaskell , B. Schmookler

In this study, the effects of the nucleon's intrinsic electromagnetic (EM) structure on the nuclear charge radius have been explored within the framework of the relativistic Hartree-Bogoliubov theory. It is found that the intrinsic EM…

核理论 · 物理学 2024-12-30 Huihui Xie , Jian Li

For more than half a century, nucleons are considered to move continuously in the nuclei. Recent electron-scattering experiments indicate about 20$\sim$25\% nucleons in heavier nuclei are involved in the neutron-proton short-range…

核理论 · 物理学 2022-01-06 Gao-Chan Yong

Elastic electromagnetic nucleon form factors have long provided vital information about the structure and composition of these most basic elements of nuclear physics. The form factors are a measurable and physical manifestation of the…

核理论 · 物理学 2008-11-26 J. Arrington , C. D. Roberts , J. M. Zanotti

Background: The high momentum distribution of atoms in two spin-state ultra-cold atomic gases with strong short-range interactions between atoms with different spins, which can be described using Tan's contact, are dominated by short range…

核实验 · 物理学 2015-10-28 O. Hen , L. B. Weinstein , E. Piasetzky , G. A. Miller , M. M. Sargsian , Y. Sagi

Using the quark-meson coupling (QMC) model, we study the longitudinal response function for quasielastic electron scattering from nuclear matter. In QMC the coupling constant between the scalar ($\sigma$) meson and the nucleon is expected…

核理论 · 物理学 2010-02-17 K. Saito , K. Tsushima , A. W. Thomas

Recent data for the slope of the EMC-ratio in the intermediate $x$-region for {\em light} nuclei, with $3 \leq A \leq 12$, have the potential to shed new light on the origin of the EMC effect. Here we study the role of nuclear binding using…

核理论 · 物理学 2012-07-20 Omar Benhar , Ingo SIck