The Q2 dependence of the structure function ratio F2Sn/F2C and the difference RSn - RC in deep inelastic muon scattering

M. Arneodo, A. Arvidson, B. Badełek, M. Ballintijn, G. Baum, J. Beaufays, I. G. Bird, P. Björkholm, M. Botje, C. Broggini, W. Brückner, A. Brüll, W. J. Burger, J. Ciborowski, R. Van Dantzig, H. Döbbeling, A. Dyring, H. Engelien, M. I. Ferrero, L. FluriU. Gaul, T. Granier, M. Grosse-Perdekamp, D. Von Harrach, M. Van Der Heijden, C. Heusch, Q. Ingram, M. De Jong, E. M. Kabuß, R. Kaiser, T. J. Ketel, F. Klein, S. Kullander, K. Kurek, U. Landgraf, T. Lindqvist, G. K. Mallot, C. Mariotti, G. Van Middelkoop, A. Milsztajn, Y. Mizuno, A. Most, A. Mücklich, J. Nassalski, D. Nowotny, J. Oberski, A. Paić, C. Peroni, B. Povh, K. Prytz, R. Rieger, K. Rith, K. Röhrich, E. Rondio, L. Ropelewski, A. Sandacz, D. Sanders, C. Scholz, R. Seitz, F. Sever, T. A. Shibata, M. Siebler, A. Simon, A. Staiano, M. Szleper, W. Tłaczała, Y. Tzamouranis, M. Virchaux, J. L. Vuilleumier, T. Walcher, R. Windmolders, A. Witzmann, K. Zaremba, F. Zetsche

Research output: Contribution to journalArticlepeer-review

Abstract

The Q2 dependence of the structure function ratio F2Sn/F2Cfor 0.01 < x < 0.75 and 1 < Q2 < 140 GeV2 is reported. For x < 0.1 the size of shadowing decreases linearly with Q2 and the maximum rate is about 0.04 at x = 0.01. The rate decreases with x and is compatible with zero for x ≥ 0.1. The difference RSn - RC, where R is the ratio of longitudinally to transversely polarised virtual photon absorption cross sections, is also given. No dependence on x is seen and the average value is 0.040 ± 0.021 (stat.) ± 0.026 (syst.) at a mean Q2 of 10 GeV2.

Original languageEnglish (US)
Pages (from-to)23-39
Number of pages17
JournalNuclear Physics B
Volume481
Issue number1-2
DOIs
StatePublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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