Bartsch, D.
Structure Function
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Determination of the Quark Density Ratio $d(x)/u(x)$ in the Proton

The Aachen-Bonn-CERN-Munich-Oxford collaboration Allen, P. ; Grassler, H. ; Lanske, D. ; et al.
Phys.Lett.B 103 (1981) 71-74, 1981.
Inspire Record 10562 DOI 10.17182/hepdata.31204

Data from an exposure of BEBC filled with hydrogen to a wideband neutrino beam are analysed to yield the structure function F v p 2 ( x ) for x > 0.2. Using our results in combination with data from electron-proton and muon-proton scattering, the quark density ratio d/u is determined as a function of x . The dominance u at large x is clearly seen. The results are compared with theoretical predictions.

6 data tables
Table 1

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Table 2

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Table 3

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Measurement of the Energy and X Dependence of the Y Distributions in Anti-neutrino Interactions

Benvenuti, A.C. ; Bobisut, F. ; Cline, D. ; et al.
Phys.Rev.Lett. 42 (1979) 149, 1979.
Inspire Record 7154 DOI 10.17182/hepdata.21899

Analysis of 5180 ν¯ interactions shows a variation with energy of the inelasticity (y) distributions over the range 10 to 220 GeV and a dependence on the scaling variable x. From these data are obtained the approximate x dependence of the sea quarks and a limit on the strength of right-handed coupling between the u quark and a massive b quark.

1 data table
Table 1

No description provided.