Measurement of the proton and deuteron structure functions, Fp2 and Fd2, and of the ratio σLT

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, A. Dyring, H. Engelien, M. I. Ferrero, L. Fluri, U. GaulT. 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, 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 muon-proton and muon-deuteron inclusive deep inelastic scattering cross sections were measured in the kinematic range 0.002 < × < 0.60 and 0.5 < Q2 < 75 GeV2 at incident muon energies of 90, 120, 200 and 280 GeV. These results are based on the full data set collected by the New Muon Collaboration, including the data taken with a small angle trigger. The extracted values of the structure functions Fp2 and Fd2 are in good agreement with those from other experiments. The data cover a sufficient range of y to allow the determination of the ratio of the longitudinally to transversely polarised virtual photon absorption cross sections, R = σLT, for 0.002 < × < 0.12. The values of R are compatible with a perturbative QCD prediction; they agree with earlier measurements and extend to smaller x.

Lingua originaleInglese
pagine (da-a)3-43
Numero di pagine41
RivistaNuclear Physics B
Volume483
Numero di pubblicazione1-2
DOI
Stato di pubblicazionePubblicato - 6 gen 1997
Pubblicato esternamente

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