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Accurate measurement of F2(d)/F2(p) and R(d)-R(p).

The New Muon collaboration Arneodo, M. ; Arvidson, A. ; Badełek, B. ; et al.
Nucl.Phys.B 487 (1997) 3-26, 1997.
Inspire Record 426595 DOI 10.17182/hepdata.32750

Results are presented for F2d/F2p and Rd-Rp from simultaneous measurements of deep inelastic muon scattering on hydrogen and deuterium targets, at 90, 120, 200 and 280 GeV. The difference Rd-Rp, determined in the range 0.002<x<0.4 at an average Q^2 of 5 GeV^2, is compatible with zero. The x and Q^2 dependence of F2d/F2p was measured in the kinematic range 0.001<x<0.8 and 0.1<Q^2<145 GeV^2 with small statistical and systematic errors. For x>0.1 the ratio decreases with Q^2.

23 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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A High Statistics Measurement of the Proton Structure Functions F(2) (x, Q**2) and R from Deep Inelastic Muon Scattering at High Q**2

The BCDMS collaboration Benvenuti, A.C. ; Bollini, D. ; Bruni, G. ; et al.
Phys.Lett.B 223 (1989) 485-489, 1989.
Inspire Record 276661 DOI 10.17182/hepdata.12557

We present results on a high statistics study of the proton structure functions F 2 ( x , Q 2 ) and R = σ L / σ T measured in deep inelastic scattering of muons on a hydrogen target. The analysis is based on 1.8 × 10 6 events after all cuts, recorded at beam energies of 100, 120, 200 and 280 GeV and covering a kinematic range 0.06 ⩽ x ⩽ 0.80 and 7 GeV 2 ⩽ Q 2 ⩽260 GeV 2 . At small x , we find R to be different from zero in agreement with predictions of perturbative QCD.

105 data tables
Table 1

THE AVERAGE VALUES OF Q**2 AT EACH OF THE X VALUES LISTED IN THIS TABLE ARE 15,20,20,25,30,35,40,45,50,50.

Table 2

R=SIG(L)/SIG(T) IS TAKEN TO BE ZERO.

Table 3

R=SIG(L)/SIG(T) IS TAKEN TO BE ZERO.

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