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Precision measurement of the structure function ratios F2He/F2D, F2C/F2D and F2Ca/F2D

  • P. Amaudruz
  • , M. Arneodo
  • , A. Arvidson
  • , B. Badelek
  • , G. Baum
  • , J. Beaufays
  • , I. G. Bird
  • , M. Botje
  • , C. Broggini
  • , W. Brückner
  • , A. Brüll
  • , W. J. Burger
  • , J. Ciborowski
  • , R. van Dantzig
  • , H. Döbbeling
  • , J. Domingo
  • , J. Drinkard
  • , H. Engelien
  • , M. I. Ferrero
  • , L. Fluri
  • P. Grafstrom, D. von Harrach, M. van der Heijden, C. Heusch, Q. Ingram, K. Janson, M. de Jong, E. M. Kabuß, R. Kaiser, T. J. Ketel, F. Klein, B. Korzen, U. Krüner, S. Kullander, U. Landgraf, F. Lettenström, T. Lindqvist, G. K. Mallot, C. Mariotti, G. van Middelkoop, Y. Mizuno, J. Nassalski, D. Nowotny, N. Pavel, C. Peroni, H. Peschel, B. Povh, R. Rieger, K. Rith, K. Röhrich, E. Rondio, L. Ropelewski, A. Sandacz, C. Scholz, R. Schumacher, U. Sennhauser, F. Sever, T. A. Shibata, M. Siebler, A. Simon, A. Staiano, G. Taylor, M. Treichel, J. L. Vuilleumier, T. Walcher, R. Windmolders, F. Zetsche

Research output: Contribution to journalArticlepeer-review

Abstract

We present the structure function ratios F2He/F2D, F2C/F2D and F2Ca/F2D measured in deep inelastic muon-nucleus scattering at an incident muon momentum of 200 GeV. The kinematic range 0.0035<x<0.65 and 0.5<Q2<90 GeV2 is covered. At low x the three ratios are significantly smaller than unity and the size of the depletion grows with decreasing x and increasing mass number A. At intermediate x the ratios show an enhancement of about 2% above unity for C/D and Ca/D, possibly less for He/D. There are indications of some Q2 dependence in the Ca/D data. The integrals of the structure function differences F2A-F2D are discussed.

Original languageEnglish
Pages (from-to)387-393
Number of pages7
JournalZeitschrift fur Physik C-Particles and Fields
Volume51
Issue number3
DOIs
Publication statusPublished - Sept 1991
Externally publishedYes

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