English
Related papers

Related papers: Neutron structure function $F_2^n(x)$ from deep in…

200 papers

It is shown that the nuclear effects playing a relevant role in Deep Inelastic Scattering of polarized electrons by polarized $^3$He are mainly those arising from the effective proton and neutron polarizations generated by the $S'$ and $D$…

Nuclear Theory · Physics 2008-11-26 C. Ciofi degli Atti , S. Scopetta , E. Pace , G. Salme

We re-examine the large-x neutron/proton structure function ratio extracted from the latest deuteron data, taking into account the most recent developments in the treatment of Fermi motion, binding and nucleon off-shell effects in the…

Nuclear Theory · Physics 2008-11-26 W. Melnitchouk , A. W. Thomas

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

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

Effect of nuclear medium on the weak structure functions $F_2^A(x,Q^2)$ and $F_3^A(x,Q^2)$ have been studied using charged current (anti)neutrino deep inelastic scattering on various nuclear targets. Relativistic nuclear spectral function…

Nuclear Theory · Physics 2013-03-26 H. Haider , I. Ruiz Simo , M. Sajjad Athar

We consider a generalized convolution, linking Structure Functions (SF) $F^N_2$ for nucleons, $F^A_2$ for a physical nucleus and $f^{PN,A}$ for a nucleus, composed of point-nucleons. In order to extract $F_2^n$ we employ data on $F_2^{p,A}$…

Nuclear Theory · Physics 2009-11-07 A. S. Rinat , M. F. Taragin

We report on the first measurement of the F2 structure function of the neutron from semi-inclusive scattering of electrons from deuterium, with low-momentum protons detected in the backward hemisphere. Restricting the momentum of the…

Nuclear Experiment · Physics 2012-05-15 N. Baillie , S. Tkachenko , J. Zhang , P. Bosted , S. Bultmann , M. E. Christy , H. Fenker , K. A. Griffioen , C. E. Keppel , S. E. Kuhn , W. Melnitchouk , V. Tvaskis , K. P. Adhikari , D. Adikaram , M. Aghasyan , M. J. Amaryan , M. Anghinolfini , J. Arrington , H. Avakian , H. Baghdasaryan , M. Battaglieri , A. S. Biselli , 5 D. Branford , W. J. Briscoe , W. K. Brooks , V. D. Burkert , D. S. Carman , A. Celentano , S. Chandavar , G. Charles , P. L. Cole , M. Contalbrigo , V. Crede , A. D'Angelo , A. Daniel , N. Dashyan , R. De Vita , E. De Sanctis , A. Deur , B. Dey , C. Djalali , G. Dodge , J. Domingo , D. Doughty , R. Dupre , D. Dutta , R. Ent , H. Egiyan , A. El Alaoui , L. El Fassi , L. Elouadrhiri , P. Eugenio , G. Fedotov , S. Fegan , A. Fradi , M. Y. Gabrielyan , N. Gevorgyan , G. P. Gilfoyle , K. L. Giovanetti , F. X. Girod , W. Gohn , E. Golovatch , R. W. Gothe , L. Graham , B. Guegan , M. Guidal , N. Guler , L. Guo , K. Hafidi , D. Heddle , K. Hicks , M. Holtrop , E. Hungerford , C. E. Hyde , Y. Ilieva , D. G. Ireland , M. Ispiryan , E. L. Isupov , S. S. Jawalkar , H. S. Jo , N. Kalantarians , M. Khandaker , P. Khetarpal , A. Kim , W. Kim , P. M. King , A. Klein , F. J. Klein , A. Klimenko , V. Kubarovsky , S. V. Kuleshov , N. D. Kvaltine , K. Livingston , H. Y. Lu , I . J . D. MacGregor , Y. Mao , N. Markov , B. McKinnon , T. Mineeva , B. Morrison , H. Moutarde , E. Munevar , P. Nadel-Turonski , A. Ni , S. Niccolai , I. Niculescu , G. Niculescu , M. Osipenko , A. I. Ostrovidov , L. Pappalardo , K. Park , S. Park , E. Pasyuk , S. Anefalos Pereira , S. Pisano , S. Pozdniakov , J. W. Price , S. Procureur , Y. Prok , D. Protopopescu , B. A. Raue , G. Ricco , D. Rimal , M. Ripani , G. Rosner , P. Rossi , F. Sabatie , M. S. Saini , C. Salgado , D. Schott , R. A. Schumacher , E. Seder , Y. G. Sharabian , D. I. Sober , D. Sokhan , S. Stepanyan , S. S. Stepanyan , P. Stoler , S. Strauch , M. Taiuti , W. Tang , M. Ungaro , M. F. Vineyard , E. Voutier , D. P. Watts , L. B. Weinstein , D. P. Weygand , M. H. Wood , L. Zana , B. Zhao

We employ the maximum entropy method to extract the valence quark distributions of the neutron at a low scale, \( Q_0^2 \). At this initial scale, the neutron is defined to contain only three valence quarks, with no contributions from sea…

High Energy Physics - Phenomenology · Physics 2025-12-17 Chengdong Han , Rong Wang , Xurong Chen

Few-body systems offer a unique challenge to those interested in deep inelastic scattering. Using the deuteron as the simplest and most easily solvable nuclear system we review the main physics issues in the valence and sea quark regimes.…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. W. Thomas , W. Melnitchouk

We study the electrodisintegration of deuteron at quasi-elastic kinematics and high transferred momentum as a probe for the short distance structure in nuclei. In this reaction, an electron hits a nucleus of deuterium, which breaks up into…

Nuclear Theory · Physics 2021-08-27 Frank Vera

Distortions of bound nucleon space-time structure, measured in deep inelastic scattering off nuclei, are discussed from view-point of a theoretical approach based on the Bethe-Salpeter formalism. It is shown that modification of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. V. Molochkov

Understanding the differences between the distribution of quarks bound in protons and neutrons is key for constraining the mechanisms of SU(6) spin-flavor symmetry breaking in Quantum Chromodynamics (QCD). While vast amounts of proton…

High Energy Physics - Phenomenology · Physics 2021-04-16 E. P. Segarra , J. R. Pybus , F. Hauenstein , T. Kutz , D. Higinbotham , G. A. Miller , E. Piasetzky , A. Schmidt , M. Strikman , L. B. Weinstein , O. Hen

The quantitative knowledge of heavy nuclei's partonic structure is currently limited to rather large values of momentum fraction $x$ -- robust experimental constraints below $x \sim 10^{-2}$ at low resolution scale $Q^2$ are particularly…

Nuclear Experiment · Physics 2017-12-13 E. C. Aschenauer , S. Fazio , M. A. C. Lamont , H. Paukkunen , Pia Zurita

We demonstrate that measurement of tagged structure functions of the deuteron in (e,e'N) semi-inclusive reactions can discriminate between different hypotheses on the origin of the nuclear EMC effect. By choosing extreme backward kinematics…

Nuclear Theory · Physics 2009-10-30 W. Melnitchouk , M. Sargsian , M. Strikman

We investigate charged-current neutrino-nucleus deep inelastic scattering with particular interests in relationship of short range correlation (SRC) and EMC effect. The structure functions $F^A_2(x,Q^2)$, $x F^A_3(x,Q^2)$ and ratios of…

High Energy Physics - Phenomenology · Physics 2021-08-25 Fei Huang , Ji Xu , Xing-Hua Yang

Nuclear structure functions at small x and small or moderate $Q^2$ are studied using the relation with diffraction on nucleons which arises from Gribov's Reggeon Calculus. A reasonable description of experimental data is obtained with no…

High Energy Physics - Phenomenology · Physics 2011-09-13 N. Armesto , A. Capella , A. B. Kaidalov , J. Lopez-Albacete , C. A. Salgado

The current status of measurements of the nucleon structure functions and their understanding is reviewed. The fixed target experiments E665, CCFR and NMC and the HERA experiments H1 and ZEUS are discussed in some detail. The extraction of…

High Energy Physics - Phenomenology · Physics 2010-03-25 A. M. Cooper-Sarkar , R. C. E. Devenish , A. De Roeck

We study nuclear effects in the $F^A_3(x)$ structure function in the deep inelastic neutrino reactions on iron by using a relativistic framework to describe the nucleon spectral functions in the nucleus. The results for the ratio…

Nuclear Theory · Physics 2008-11-26 M. Sajjad Athar , S. K. Singh , M. J. Vicente Vacas

Deep inelastic structure functions for the nucleon are obtained in a constituent quark model on the light cone. Parton model formulas are derived. The negative slope of $F_{2}^{n}/F_{2}^{p} requires attraction between scalar quark pairs.…

High Energy Physics - Phenomenology · Physics 2009-10-28 H. J. Weber

We derive relations between spin-dependent nuclear and nucleon g_1 and g_2 structure functions within the nuclear impulse approximation, which are valid at all Q^2, and in both the resonance and deep inelastic regions. We apply the…

Nuclear Theory · Physics 2008-11-26 S. A. Kulagin , W. Melnitchouk