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

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer 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.

Lingua originaleInglese
pagine (da-a)23-39
Numero di pagine17
RivistaNuclear Physics B
Volume481
Numero di pubblicazione1-2
DOI
Stato di pubblicazionePubblicato - 1996
Pubblicato esternamente

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