Spin asymmetry in muon-proton deep inelastic scattering on a transversely-polarized target

D. Adams*, B. Adeva, E. Arik, A. Arvidson, B. Badelek, M. K. Ballintijn, G. Bardin, G. Baum, P. Berglund, L. Betev, I. G. Bird, R. Birsa, P. Björkholm, B. E. Bonner, N. de Botton, F. Bradamante, A. Bressan, A. Brüll, S. Bültmann, E. BurtinC. Cavata, M. Clocchiatti, M. D. Corcoran, D. Crabb, J. Cranshaw, M. Crawford, T. Çuhadar, S. Dalla Torre, R. van Dantzig, S. Dhawan, C. Dulya, A. Dyring, S. Eichblatt, J. C. Faivre, D. Fasching, F. Feinstein, C. Fernandez, B. Frois, J. A. Garzon, T. Gaussiran, M. Giorgi, E. von Goeler, G. Gracia, N. de Groot, M. Grosse Perdekamp, E. Gülmez, D. von Harrach, T. Hasegawa, P. Hautle, N. Hayashi, C. A. Heusch, N. Horikawa, V. W. Hughes, G. Igo, S. Ishimoto, T. Iwata, E. M. Kabuß, R. Kaiser, A. Karev, H. J. Kessler, T. J. Ketel, A. Kishi, Yu Kisselev, L. Klostermann, D. Krämer, V. Krivokhijine, V. Kukhtin, J. Kyynäräinen, M. Lamanna, U. Landgraf, K. Lau, T. Layda, J. M. Le Goff, F. Lehar, A. de Lesquen, J. Lichtenstadt, T. Lindqvist, M. Litmaath, S. Lopez-Ponte, M. Lowe, A. Magnon, G. K. Mallot, F. Marie, A. Martin, J. Martino, T. Matsuda, B. Mayes, 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, D. P. Parks, A. Penzo, C. Perez, F. Perrot-Kunne, D. Peshekhonov, R. Piegaia, L. Pinsky, S. Platchkov, M. Plo, D. Pose, H. Postma, J. Pretz, T. Pussieux, J. Pyrlik, I. Reyhancan, J. M. Rieubland, A. Rijllart, J. B. Roberts, S. Rock, M. Rodriguez, E. Rondio, A. Rosado, I. Sabo, J. Saborido, A. Sandacz, I. Savin, P. Schiavon, K. P. Schüler, R. Segel, R. Seitz, Y. Semertzidis, F. Sever, P. Shanahan, N. Shumeiko, G. Smirnov, A. Staude, A. Steinmetz, U. Stiegler, H. Stuhrmann, K. M. Teichert, F. Tessarotto, M. Velasco, J. Vogt, R. Voss, R. Weinstein, C. Whitten, R. Windmolders, R. Willumeit, W. Wislicki, A. Witzmann, A. M. Zanetti, J. Zhao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

130 Scopus citations

Abstract

We measured the spin asymmetry in the scattering of 100 GeV longitudinally-polarized muons on transversely polarized protons. The asymmetry was found to be compatible with zero in the kinematic range 0.006 < x < 0.6, 1 < Q2 < 30 GeV2. From this result we derive the upper limits for the virtual photon-proton asymmetry A2, and for the spin structure function g2. For x < 0.15, A2 is significantly smaller than its positivity limit √R.

Original languageEnglish
Pages (from-to)125-130
Number of pages6
JournalPhysics Letters B
Volume336
Issue number1
DOIs
StatePublished - 15 Sep 1994
Externally publishedYes

Funding

FundersFunder number
Bo~aziqi University
Centre for Turkish-Balkan Physics Research and Applications
Ishida Foundation
Israeli Academy of Sciences
KBN20958-9101
Monbusho International Science Research Program
TUBITAK
National Science Foundation
U.S. Department of Energy
United States-Israel Binational Science Foundation
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Mitsubishi Foundation
Bundesministerium für Forschung und Technologie
Comisión Interministerial de Ciencia y Tecnología

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