1. The spin-dependent structure function g1(x) of the deuteron from polarized deep-inelastic muon scattering
- Author
-
S. Bültmann, T. Kageya, M. Boutemeur, D. Fasching, T. Pussieux, A. Bressan, J. E.J. Oberski, E. M. Kabuß, E. Burtin, T. Matsuda, D.V. Peshekhonov, K. M. Teichert, I. Sabo, Jay Roberts, I.A. Savin, V. G. Krivokhijine, J. Nassalski, J. Zhao, N. de Botton, Victor Kukhtin, A. Bravar, B. W. Mayes, E. Arik, R. Seitz, G. Gratia, W. Tlaczala, J. Cranshaw, H. J. Kessler, Roland Windmolders, M. Lowe, A. Arvidson, J. Martino, A. Gallas, A. Nagaitsev, G. K. Mallot, M. Lamanna, Y. Ylöstalo, David Miller, Aina Yañez, G. Bardin, Drew Parks, L. Naumann, G. Unel, T. O. Niinikoski, J. Lichtenstadt, J. Kyynäräinen, F. Tessarotto, W. Kröger, H. Postma, J. Kiryluk, J. Saborido, M. Litmaath, L. S. Pinsky, P. Schiavon, N. Horikawa, B. Derro, D. von Harrach, M. K. Ballintijn, D. Krämer, Abhay Deshpande, F. Sever, R. Puntaferro, K. P. Schüler, E. Rondio, J. H. Moromisato, Satish Dhawan, G. Baum, F. Feinstein, T. Iwata, Yannis K. Semertzidis, J. Pyrlik, Mayda Velasco, L. Betev, S. Eichblatt, A. Witzmann, Patrick Hautle, P. Björkholm, T. Hasegawa, S. Dalla Torre, J. C. Faivre, L. Klostermann, J. M. Le Goff, F. Marie, J. S. McCarthy, C. Cavata, Regine Willumeit, Matias Rodriguez, C. Dulya, G. van Middelkoop, A. Ogawa, P. Berglund, B. Frois, S. Platchkov, Roy Weinstein, N. De Groot, J. Vogt, E. von Goeler, P. Shanahan, A. Kishi, A. Rosado, G. Rädel, G. Igo, S. Rock, T. Gaussiran, L. V. Kalinovskaya, Clemens A. Heusch, F. Simeoni, G.I. Smirnov, Ricardo Piegaia, T. Çuhadar, A. de Lesquen, J. Pretz, J. A. Garzon, Franco Bradamante, D. Y. Bardin, M. Giorgi, J. Polec, B. Badelek, C. Fernandez, R. Birsa, N. Hayashi, A. Sandacz, F. Perrot-Kunne, C.S. Ozben, S. Trentalange, D. G. Crabb, Yu. Kisselev, W. Wislicki, A. Steinmetz, T. Lindqvist, D. L. Adams, T. Akdogan, D. Pose, A. Rijllart, Bernardo Adeva, A. Dyring, Heinrich B. Stuhrmann, A. Staude, T. J. Ketel, V. W. Hughes, Ulrich Landgraf, A. Karev, F. Lehar, A. Magnon, A. Tripet, B. E. Bonner, M. Grosse-Perdekamp, Rudiger Voss, Michal Szleper, S. Ishimoto, R. van Dantzig, I. G. Bird, E. P. Sichtermann, K. Zaremba, M. Plo, U. Stiegler, Faustino Gómez, Kunikazu Mori, K. Medved, Anna Zanetti, K. Kurek, C. A. Whitten, Anne-Laure Martin, (Astro)-Particles Physics, D., Adam, B., Adeva, T., Akdogan, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, D., Bardin, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, A., Bravar, Bressan, Andrea, S., Bültmann, E., Burtin, C., Cavata, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, A., Galla, J. A., Garzon, T., Gaussiran, Giorgi, Marcello, E., von Goeler, F., Gomez, G., Gracia, N., de Groot, M., Grosse Perdekamp, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, L., Kalinovskaya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Krämer, V., Krivokhijine, W., Kröger, V., Kukhtin, K., Kurek, J., Kyynäräinen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, G., van Middelkoop, D., Miller, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, D. P., Park, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, J., Polec, D., Pose, H., Postma, J., Pretz, R., Puntaferro, T., Pussieux, J., Pyrlik, G., Rädel, G., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, K. P., Schüler, R., Seitz, Y., Semertzidi, F., Sever, P., Shanahan, E. P., Sichtermann, Simeoni, Fabrizio, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, K. M., Teichert, F., Tessarotto, W., Tlaczala, S., Trentalange, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, A., Yañez, Y., Ylöstalo, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
- Subjects
Physics ,DIS ,Nuclear and High Energy Physics ,Strange quark ,Muon ,SMC ,Scattering ,g1 structure function ,Perturbative QCD ,Deep inelastic scattering ,Nuclear physics ,High Energy Physics::Experiment ,Sum rule in quantum mechanics ,Nucleon ,Particle Physics - Experiment ,Spin-½ - Abstract
We present a new measurement of the spin-dependent structure function $g_{1}^{\rm d}$ of the deuteron from deep inelastic scattering of 190 GeV polarized muons on polarized deuterons. The results are combined with our previous measurements of $g_{1}^{\rm d}$. A perturbative QCD evolution in next-to-leading order is used to compute $g_{1}^{\rm d}(x)$ at a constant $Q^{2}$. At $Q^{2} = 10$ GeV$^{2}$, we obtain a first moment $\Gamma_{1}^{\rm d} = \int_{0}^{1} g_{1}^{\rm d}{\rm d}x = 0.041 \pm 0.008$, a flavour-singlet axial charge of the nucleon $a_{0} = 0.30 \pm 0.08$, and an axial charge of the strange quark $a_{s} = -0.09 \pm 0.03$. Using our earlier determination of $\Gamma_{1}^{\rm p}$, we obtain $\Gamma_1^{\rm p} - \Gamma_1^{\rm n} = 0.183 \pm 0.035$ at $Q^2 = 10\,\mbox{GeV}^2$. This result is in agreement with the Bjorken sum rule which predicts $\Gamma_1^{\rm p} - \Gamma_1^{\rm n} = 0.186 \pm 0.002$ at the same $Q^2$.
- Published
- 1997
- Full Text
- View/download PDF