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Related papers: Nuclear effects on longitudinal-transverse structu…

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The presence of nuclear medium and collective phenomena which involve several nucleons modify the parton distribution functions of nuclei (nPDFs) compared to those of a free nucleon. These modifications have been investigated by different…

High Energy Physics - Phenomenology · Physics 2013-11-11 H. Honkanen , M. Strikman , V. Guzey

The off-mass-shell behavior of the nucleon structure function, $F_2^N$, is studied within an approach motivated by the Sullivan model. Deep inelastic scattering on the nucleon is considered in the second order in the pion-nucleon coupling…

Nuclear Theory · Physics 2009-09-25 A. Yu. Umnikov , F. C. Khanna , L. P. Kaptari

In this work we show the modifications of nucleon mass and nucleon radius with the help of the extended Relativistic Mean Field (RMF) model. We argue that even small departures above nuclear equilibrium density with constant nucleon mass…

Nuclear Theory · Physics 2018-03-28 Jacek Rozynek

A complete high precision set of deuteron analyzing powers for elastic deuteron-proton ($dp$) scattering at 250 MeV/nucleon (MeV/N) has been measured. The new data are presented together with data from previous measurements at 70, 100, 135…

In this study, we extend our previous global analysis of nuclear-modified transverse momentum distribution functions (nTMDs) to also consider the nuclear-modified collinear fragmentation function. Our methodology incorporates the global set…

High Energy Physics - Phenomenology · Physics 2023-12-15 Mishary Alrashed , Zhong-Bo Kang , John Terry , Hongxi Xing , Congyue Zhang

We perform a new global QCD analysis of unpolarized parton distribution functions (PDFs) in the nucleon from proton, deuteron and $A=3$ data, including recent measurements of $^3$He/$D$ and $^3$H/$D$ cross section ratios from the MARATHON…

High Energy Physics - Phenomenology · Physics 2026-02-23 C. Cocuzza , T. J. Hague , W. Melnitchouk , N. Sato , A. W. Thomas

Due to the lack of a free neutron target the structure function of the neutron cannot be measured directly and is therefore extracted from deuteron and proton DIS data. Because the deuteron is a bound nuclear system, in order to extract the…

High Energy Physics - Phenomenology · Physics 2011-09-29 O. Hen , E. Piasetzky , R. Shneor , L. B. Weinstein , D. W. Higinbotham

In the context of noncommutative space-time, we investigate the nucleon structure functions which plays an important role to identify the internal structure of nucleons. We use the corrected vertices and employ new vertices that appear in…

High Energy Physics - Phenomenology · Physics 2017-05-23 Ali Rafiei , Zahra Rezaei , Abolfazl Mirjalili

We investigated the transverse charge densities in the nucleon in nuclear matter within the framework of the in-medium modified Skyrme model. The medium modification of the nucleon electromagnetic form factors are first discussed. The…

High Energy Physics - Phenomenology · Physics 2015-06-15 Ulugbek Yakhshiev , Hyun-Chul Kim

Nuclear structure corrections to energy levels of light muonic atoms are derived with particular attention to the nuclear mass dependence. The obtained result for the 2P-2S transition of 1.717(19) meV serves for determination of the nuclear…

Atomic Physics · Physics 2015-05-20 Krzysztof Pachucki , Albert Wienczek

We demonstrate that leading twist nuclear shadowing leads to large corrections for the extraction of the neutron structure function F_2n from the future deuteron collider data both in the inclusive and in the tagged structure function…

High Energy Physics - Phenomenology · Physics 2009-11-10 L. Frankfurt , V. Guzey , M. Strikman

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

Nucleon momentum distribution (NMD), particularly its high-momentum components, is essential for understanding the nucleon--nucleon ($ NN $) correlations in nuclei. Herein, we develop the studies of NMD of $^{56}\text{Fe}$ from the axially…

Nuclear Theory · Physics 2021-08-30 Xuezhi Wang , Qinglin Niu , Jinjuan Zhang , Mengjiao Lyu , Jian Liu , Chang Xu , Zhongzhou Ren

The experimental data on F2 structure functions of the proton and deuteron were used to construct their moments. In particular, recent measurements performed with CLAS detector at Jefferson Lab allowed to extend our knowledge of structure…

High Energy Physics - Phenomenology · Physics 2014-11-18 M. Osipenko , S. Simula , S. Kulagin , G. Ricco , CLAS Collaboration

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 Generalized Parton Distributions (GPDs), a unique tool to access several crucial features of nuclear structure, could be measured in the coherent channel of hard exclusive processes, such as deep electroproduction of photons and…

Nuclear Theory · Physics 2007-05-23 Sergio Scopetta

A theoretical approach to the investigation of spin-dependent structure functions in deep inelastic scattering of polarized leptons off polarized nuclei, based on the effective meson-nucleon theory and operator product expansion method, is…

Nuclear Theory · Physics 2009-09-25 L. P. Kaptari , A. Yu. Umnikov , C. Ciofi degli Atti , S. Scopetta , K. Yu. Kazakov

We extend the original idea of reduced nuclear amplitudes to capture individual helicity amplitudes and discuss various applications to exclusive processes involving the deuteron. Specifically, we consider deuteron form factors, structure…

Nuclear Theory · Physics 2023-05-03 J. Flores , S. S. Chabysheva , J. R. Hiller

The phenomena of deuteron birefringence in a matter and an electric field should be accurately considered when preparing experiments for the EDM search with a storage ring, because they could imitate the spin rotation due to the EDM.…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. G. Baryshevsky , A. R. Shirvel

We critically examine uncertainties in parton distribution functions (PDFs) at large x arising from nuclear effects in deuterium F2 structure function data. Within a global PDF analysis, we assess the impact on the PDFs from uncertainties…

High Energy Physics - Phenomenology · Physics 2011-08-17 A. Accardi , W. Melnitchouk , J. F. Owens , M. E. Christy , C. E. Keppel , L. Zhu , J. G. Morfin