Measurement of the deuteron spin structure function g1(x) for 1 (GeV/c)2&lt;Q2&lt;40 (GeV/c)2

Anthony, P.L.; Arnold, R. G.; Averett, T.; Band, H. R.; Berisso, M. C.; Borel, H.; Bosted, P.; Bültmann, S.; Buénerd, M.; Chupp, T. E.; Churchwell, S.; Court, G.R.; Crabb, D.; Day, D.; Decowski, P.; DePietro, P.; Erbacher, R.; Erickson, R.; Feltham, A.; Fonvieille, H.; Frlež, E.; Gearhart, R.; Ghazikhanian, V.; Gómez, J.; Griffioen, K. A.; Harris, Carl M.; Houlden, M.; Hughes, E. W.; Hyde‐Wright, C. E.; Igo, G.; Incerti, S.; Jensen, J.; Johnson, J. R.; P, King; Kolomensky, Yu. G.; Kuhn, S. E.; Lindgren, R.; Lombard-Nelsen, R. M.; Marroncle, J.; McCarthy, J.; McKee, P.; Meyer, W.; Mitchell, G. S.; Mitchell, J.; Olson, M.; Penttilä, S. I.; Peterson, G. A.; Petratos, G. G.; Pitthan, R.; Počanić, D.; Prepost, R.; Prescott, C.Y.; Qin, L. M.; Raue, B. A.; Reyna, D.; Rochester, L.S.; Rock, S. E.; Rondon-Aramayo, O.; Sabatié, F.; Sick, I.; Smith, T. B.; Sorrell, L.; Staley, F.; Lorant, S. St.; Stuart, L. M.; Szalata, Z. M.; Terrien, Y.; Tobías, Aurelio; Todor, L.; Toole, T.; Trentalange, S.; Walz, D.; Welsh, Robert C.; Wesselmann, F. R.; Wright, T.; Young, C.; Zeier, M.; Zhu, Haibin; Zihlmann, B.

doi:10.1016/s0370-2693(99)00940-5

Cited by 191 publications

(95 citation statements)

References 29 publications

(14 reference statements)

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“…The increasing precision of experimental data on inclusive polarized deeply inelastic scattering (DIS) of leptons from nucleons allows us to perform incisive QCD analyses of polarized structure functions to reveal the spin dependent partonic structure function of the nucleon. Polarized DIS lepton-nucleon scattering experiments have been performed at CERN, SLAC, DESY and JLAB [1][2][3][4][5][6][7][8][9][10][11][12][13], and these processes have played a key role in our understanding of QCD and the spin structure of the nucleon [14][15][16][17][18]. There are several comprehensive analyses of the polarized DIS data in the literature ; this work provides a detailed picture of the spin structure of the nucleons.…”

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Polarized deeply inelastic scattering (DIS) structure functions for nucleons and nuclei

et al. 2011

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We extract parton distribution functions (PDFs) and structure functions from recent experimental data of polarized lepton-DIS on nucleons at next-to-leading order (NLO) Quantum Chromodynamics. We apply the Jacobi polynomial method to the DGLAP evolution as this is numerically efficient. Having determined the polarized proton and neutron spin structure, we extend this analysis to describe 3 He and 3 H polarized structure functions, as well as various sum rules. We compare our results with other analyses from the literature.

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confidence: 99%

“…In the present study, we perform a NLO QCD analysis of the polarized deep-inelastic data [3][4][5][6][7][8][9][10][11][12][13] in the MSscheme and extract parameterizations of the polarized PDFs and structure functions. In Section II, we provide an overview of the Jacobi polynomials approach.…”

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confidence: 99%

Polarized deeply inelastic scattering (DIS) structure functions for nucleons and nuclei

et al. 2011

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“…We use a wide range of polarized deep-inelastic scattering lepton-nucleon data on spin structure functions g 1 [2,[35][36][37][38][39][40][41][42][43][44][45][46][47][48][49] and g 2 [2,35,45,[48][49][50][51][52], which are extracted based on the different nucleon targets of protons, neutrons, and deuterons to extract all PPDFs.…”

Section: B Overview Of Data Setsmentioning

confidence: 99%

Target mass corrections and higher twist effects in polarized deep-inelastic scattering

2014

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We perform a next-to-leading-order QCD analysis to world data on polarized structure functions g1 and g2 in a fixed-flavor number scheme. We include target mass corrections and higher twist effects in our fitting procedure and study their non-negligible effects on physically interesting quantities. Twist-3 contributions to both polarized structure functions are determined, and the accuracy of the extracted polarized parton distribution functions is improved. 3 He and 3 H polarized structure functions are described based on our fit result. Moreover, sum rules are derived and compared with available theoretical and experimental results.

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“…The most efficient use of the data from the various experiments done at different beam energies and kinematic conditions is achieved by incorporating all available x B , shown on separate panels, from HERMES [47] at DESY, SMC [40][41][42] at CERN, E143 [31] and E155 [33,34] at SLAC and COMPASS [48] data in a global fit based on the evolution predicted by QCD in NLO in α s . This approach has the important advantage that it also provides information about the polarization of the gluons contained in the nucleon.…”

Section: Quark Helicity Densities From Inclusive Dis Datamentioning

confidence: 99%

Spin-polarized high-energy scattering of charged leptons on nucleons

Burkardt¹,

Miller²,

Nowak³

2009

Rep. Prog. Phys.

103

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The proton is a composite object with spin one-half, understood to contain highly relativistic spin one-half quarks exchanging spin-one gluons, each possibly with significant orbital angular momenta. While their fundamental interactions are well described by quantum chromodynamics (QCD), our standard theory of the strong interaction, non-perturbative calculations of the internal structure of the proton based directly on QCD are beginning to provide reliable results. Most of our present knowledge of the structure of the proton is based on experimental measurements interpreted within the rich framework of QCD. An area presently attracting intense interest, both experimental and theoretical, is the relationship between the spin of the proton and the spins and orbital angular momenta of its constituents. While remarkable progress has been made, especially in the last decade, the discovery and investigation of new concepts have revealed that much more remains to be learned. This progress is reviewed and an outlook for the future is offered.

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Measurement of the deuteron spin structure function g1(x) for 1 (GeV/c)2<Q2<40 (GeV/c)2

Cited by 191 publications

References 29 publications

Polarized deeply inelastic scattering (DIS) structure functions for nucleons and nuclei

Polarized deeply inelastic scattering (DIS) structure functions for nucleons and nuclei

Target mass corrections and higher twist effects in polarized deep-inelastic scattering

Spin-polarized high-energy scattering of charged leptons on nucleons

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