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Related papers: Extracting the Strange Density from $xF_3$

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Next-to-leading order QCD corrections, order 1 GeV mass corrections and the role of a strangeness asymmetry and isospin violation in the x dependence of the parton distribution functions are evaluated in the context of the neutrino-nucleon…

High Energy Physics - Phenomenology · Physics 2009-11-10 M. H. Reno

The possibility to determine the axial strange form factor of the nucleon from elastic neutrino-nucleon scattering experiments is studied. The existing experimental information is shortly mentioned and several observables which could be…

High Energy Physics - Phenomenology · Physics 2009-11-10 W. M. Alberico , S. M. Bilenky , C. Maieron

We show that there is no real conflict between the two determinations of the strange sea density from the opposite--sign dimuon production and from the difference of the $F_2$ structure functions measured in neutrino and muon deep inelastic…

High Energy Physics - Phenomenology · Physics 2009-10-22 V. Barone , M. Genovese , N. N. Nikolaev , E. Predazzi , B. G. Zakharov

The strange quark scalar content plays an important role in both the description of nucleon structure and in the determination of dark matter direct detection cross sections. As a measure of the strange-quark contribution to the nucleon…

High Energy Physics - Lattice · Physics 2013-01-10 R. D. Young

The extraction of the nucleon's strangeness axial charge, Delta_s, from inclusive, quasielastic neutral current neutrino cross sections is studied within the framework of the plane-wave impulse approximation. We find that the value of…

Nuclear Theory · Physics 2008-11-26 M. B. Barbaro , A. De Pace , T. W. Donnelly , A. Molinari , M. J. Musolf

We present a comprehensive analysis of deep inelastic scattering from He-3 and H-3, focusing in particular on the extraction of the free neutron structure function, F_2^n. Nuclear corrections are shown to cancel to within 1-2% for the…

We present the results of the next-to-next-to-leading order QCD analysis of the recently revised experimental data of the CCFR collaboration for the $xF_3$ structure function using the Jacobi polynomial expansion method. The effects of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. L. Kataev , A. V. Kotikov , G. Parente , A. V. Sidorov

We have performed the first global QCD analysis to include the CCFR and NuTeV dimuon data, which provide direct constraints on the strange and anti-strange parton distributions, $s(x)$ and $\bar{s}(x)$. To explore the strangeness sector, we…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Olness , J. Pumplin , D. Stump , J. Huston , P. Nadolsky , H. L. Lai , S. Kretzer , J. F. Owens , W. K. Tung

After the EMC and subsequent experiments at CERN, SLAC and DESY on the deep inelastic scattering of polarized leptons on polarized nucleons, it is now established that the Q^2=0 value of the axial strange form factor of the nucleon, a…

High Energy Physics - Phenomenology · Physics 2009-11-07 W. M. Alberico , S. M. Bilenky , C. Maieron

We discuss nuclear effects in the structure function F_3 measured in neutrino deep-inelastic scattering on heavy nuclear targets.

High Energy Physics - Phenomenology · Physics 2007-05-23 S. A. Kulagin

The last few years have seen a dramatic improvement in our knowledge of the strange form factors of the nucleon. With regard to the vector from factors the level of agreement between theory and experiment gives us considerable confidence in…

Nuclear Theory · Physics 2015-06-03 A. W. Thomas , P. E. Shanahan , R. D. Young

Preliminary results for the neutrino-nucleon differential cross section from the NuTeV experiment are presented. The extraction of the differential cross section from NuTeV is discussed and the structure functions $F_2$ and $\Delta xF_3$…

High Energy Physics - Experiment · Physics 2019-08-14 J. McDonald

The total contribution of strange quarks to the intrinsic spin of the nucleon can be determined from a measurement of the strange-quark contribution to the nucleon's elastic axial form factor. We have studied the strangeness contribution to…

High Energy Physics - Experiment · Physics 2014-05-19 S. F. Pate , J. P. Schaub , D. P. Trujillo

We report on our recent results for deep-inelastic neutrino-proton scattering. We have computed the perturbative QCD corrections to three loops for the harged current structure functions F_2, F_L and F_3 for the combination nu P - nubar P.…

High Energy Physics - Phenomenology · Physics 2008-12-18 M. Rogal , S. Moch

The possibility of the first measurement of Bjorken unpolarized sum rule for $F_1$ structure function of $\nu N$ deep-inelastic scattering at Neutrino Factories is commented. The brief summary of various theoretical contributions to this…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. I. Alekhin , A. L. Kataev

Using the results for the NNLO QCD corrections to anomalous dimensions of odd $xF_3$ Mellin moments and N$^3$LO corrections to their coefficient functions we improve our previous analysis of the CCFR'97 data for $xF_3$. The possibility of…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. L. Kataev , G. Parente , A. V. Sidorov

Power corrections both to the strong coupling constant and to the structure function itself are estimated on the basis of the LO, NLO and NNLO QCD analysis of $xF_3$ structure function data. The sign of correction to the coupling constant…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. V. Sidorov

Due to the weak current non-conservation the diffractive excitation of charm and strangeness dominates the longitudinal structure function $F_L(x,Q^2)$ of neutrino DIS at small Bjorken $x$. Based on the color dipole BFKL approach we report…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Fiore , V. R. Zoller

The total contribution of strange quarks to the intrinsic spin of the nucleon can be determined from a measurement of the strange-quark contribution to the nucleon's elastic axial form factor. We have studied the strangeness contribution to…

High Energy Physics - Experiment · Physics 2014-05-19 S. F. Pate , J. P. Schaub

We consider ratios of elastic neutrino(antineutrino)-proton cross sections measured by the Brookhaven BNL-734 experiment and use them to obtain the neutral current (NC) over charged current (CC) neutrino-antineutrino asymmetry. We discuss…

High Energy Physics - Phenomenology · Physics 2009-10-31 W. M. Alberico , M. B. Barbaro , S. M. Bilenky , J. A. Caballero , C. Giunti , C. Maieron , E. Moya de Guerra , J. M. Udias