Measurements of the Q2-dependence of the proton and neutron spin structure functions g1p and g1n

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

Publikováno v: Physics Letters B. 493:19-28

The structure functions g1p and g1n have been measured over the range 0.014 < x < 0.9 and 1 < Q2 < 40 GeV2 using deep-inelastic scattering of 48 GeV longitudinally polarized electrons from polarized protons and deuterons. We find that the Q2 dependen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30f7a987287cd81ef26702dec497abd3
https://doi.org/10.1016/s0370-2693(00)01014-5

Measurement of the deuteron spin structure function g1d(x) for 1 (GeV/c)2

Autor: R. Erbacher, V. Ghazikhanian, G. G. Petratos, O. Rondon-Aramayo, B. A. Raue, H. Borel, Stephen M. Rock, K. A. Griffioen, H. R. Band, T. Averett, E. W. Hughes, Hongbo Zhu, L. S. Rochester, S. Bültmann, F. Sabatié, P.M. King, R. Gearhart, D. Crabb, L. Todor, J. Marroncle, P. McKee, Yu. G. Kolomensky, R. A. Lindgren, T. R. Wright, M. Olson, A. Feltham, Timothy B. Smith, D. Walz, R. G. Arnold, M. Zeier, L. M. Stuart, P. E. Bosted, B. Zihlmann, S. Trentalange, S.St. Lorant, L.M. Qin, John C. Mitchell, J. S. McCarthy, F.R. Wesselmann, G. A. Peterson, C. Harris, Ingo Sick, R. Prepost, C. Y. Prescott, D. Reyna, Gregory S. Mitchell, G. Igo, Donal Day, P.L. Anthony, H. Fonvieille, Emil Frlez, M.C. Berisso, R. M. Lombard-Nelsen, W. Meyer, J. Gomez, S. Churchwell, Ch. Hyde-Wright, Y. Terrien, J. R. Johnson, S. I. Penttilä, L. Sorrell, J. Jensen, R. Pitthan, F. Staley, M. A. Houlden, C. C. Young, P. Decowski, R. Erickson, Dinko Pocanic, Robert C. Welsh, S. E. Kuhn, P. DePietro, Z. M. Szalata, Sebastien Incerti, G.R. Court, A. Tobias, T. Toole, Timothy Chupp, M.J. Buenerd

Publikováno v: Physics Letters B. 463:339-345

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. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da038f71019b535a150bf201960687e9
https://doi.org/10.1016/s0370-2693(99)00940-5

Tensor analyzing power Ayy of -p radiative capture

Autor: Ph. Steiner, J. Jourdan, H. Witała, Ingo Sick, L.J. de Bever, M. Zeier, Hiroyuki Kamada, S. Buttazzoni, Jacek Golak, A. Honegger, L.M. Qin, T. Petitjean, H. Anklin, B. Zihlmann, W. Glöckle, J. Zhao, G. Kubon

Publikováno v: Nuclear Physics A. 636:189-206

Proton-deuteron radiative capture has been studied with polarized deuterons at a laboratory deuteron energy E d = 45 MeV. Precise data for the tensor analyzing power A yy have been measured in the angular range 50° to 160°. Three-nucleon Faddeev wa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b507878794f18bc6219ff20913ee5d4f
https://doi.org/10.1016/s0375-9474(98)00186-9

4He(d,d) scattering as polarization standard

Autor: J. Jourdan, L.M. Qin, Ingo Sick, B. Zihlmann, P. Trueb, P.A. Schmelzbach, H. Anklin, D. Vetterli

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 404:394-399

We have measured the tensor analyzing power of d- 4 He elastic scattering at θ d = 150° in the energy range from 30 to 52 MeV. In this region the analyzing power is large, and the process can be employed as a standard to calibrate the tensor polari

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19d65322012b272e6740bbee73ac910f
https://doi.org/10.1016/s0168-9002(97)01164-9

Measurement of the analyzing power Ay in neutron-proton radiative capture at En = 68 MeV

Autor: M. Tuccillo, G. Masson, R. Henneck, Ingo Sick, D. Fritschi, S. Robinson, L.M. Qin, H. Mühry, J. Götz, P. Steiner, B. Zihlmann, P. Trueb, J. Jourdan

Publikováno v: Nuclear Physics A. 580:253-262

The vector analyzing power Ay for the reaction 1 H ( n , γ) 2 H has been measured at five angles between 60° and 140° in the lab at an incident neutron energy of 67.7 MeV. The measurement is of a presision never before acheived (ΔAy ⩽ 0.01, sta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a1735300de80ba0d6f52767944d712b0
https://doi.org/10.1016/0375-9474(94)90772-2