Measurement of the deuteron spin structure function $g^{d}_1(x)$ for $1\ (GeV/c)^2 < Q^2 < 40\ (GeV/c)^2

Measurement of the deuteron spin structure function $g^{d}_1(x)$ for $1\ (GeV/c)^2 < Q^2 < 40\ (GeV/c)^2

New measurements are reported on the deuteron spin structure function g_1^d. These results were obtained from deep inelastic scattering of 48.3 GeV electrons on polarized deuterons in the kinematic range 0.01 < x < 0.9 and 1 < Q^2 < 40 (GeV/c)^2. These are the first high dose electron sc...

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Veröffentlicht in:Physics letters. B 1999, Vol.463, p.339-345
Hauptverfasser: Anthony, P.L., Arnold, R.G., Averett, T., Band, H.R., Berisso, M.C., Borel, H., Bosted, P.E., Bultmann, S.L., Buenerd, M., Chupp, T., Churchwell, S., Court, G.R., Crabb, D., Day, D., Decowski, P., Depietro, P., Erbacher, R., Erickson, R., Feltham, A., Fonvieille, H., Frlez, E., Gearhart, R., Ghazikhanian, V., Gomez, J., Griffioen, K.A., Harris, C., Houlden, M.A., Hughes, E.W., Hyde-Wright, C.E., Igo, G., Incerti, S., Jensen, J., Johnson, J.R., King, P.M., 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., Penttila, S., Peterson, G.A., Petratos, G.G., Pitthan, R., Pocanic, D., Prepost, R., Prescott, C., Qin, L.M., Raue, B.A., Reyna, D., Rochester, L.S., Rock, S., Rondon-Aramayo, O., Sabatie, F., Sick, I., Smith, T., Sorrell, L., Staley, F., Stuart, L.M., Szalata, Z., Terrien, Y., Tobias, A., Todor, L., Toole, T., Trentalange, S., Walz, D., Welsh, R.C., Wesselmann, F.R., Wright, T.R., Young, C.C., Zeier, M., Zhu, H., Zihlmann, B.
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Sprache:eng
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High Energy Physics - Experiment
Physics
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Zusammenfassung:New measurements are reported on the deuteron spin structure function g_1^d. These results were obtained from deep inelastic scattering of 48.3 GeV electrons on polarized deuterons in the kinematic range 0.01 < x < 0.9 and 1 < Q^2 < 40 (GeV/c)^2. These are the first high dose electron scattering data obtained using lithium deuteride (6Li2H) as the target material. Extrapolations of the data were performed to obtain moments of g_1^d, including Gamma_1^d, and the net quark polarization Delta Sigma.
ISSN:0370-2693