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Small Angle Elastic electron - Deuteron Scattering

Akimov, Yu.K. ; Andert, K. ; Arvanov, A.N. ; et al.
EFI-98-74, 1974.
Inspire Record 91477 DOI 10.17182/hepdata.18429

None

1 data table
Table 1

X ERROR D(EKIN) = 0.0600 MEV.


Measurements of the Deuteron and Proton Magnetic Form-factors at Large Momentum Transfers

Bosted, Peter E. ; Katramatou, A.T. ; Arnold, R.G. ; et al.
Phys.Rev.C 42 (1990) 38-64, 1990.
Inspire Record 283632 DOI 10.17182/hepdata.26165

Measurements of the deuteron elastic magnetic structure function B(Q2) are reported at squared four-momentum transfer values 1.20≤Q2≤2.77 (GeV/c)2. Also reported are values for the proton magnetic form factor GMp(Q2) at 11 Q2 values between 0.49 and 1.75 (GeV/c)2. The data were obtained using an electron beam of 0.5 to 1.3 GeV. Electrons backscattered near 180° were detected in coincidence with deuterons or protons recoiling near 0° in a large solid-angle double-arm spectrometer system. The data for B(Q2) are found to decrease rapidly from Q2=1.2 to 2 (GeV/c)2, and then rise to a secondary maximum around Q2=2.5 (GeV/c)2. Reasonable agreement is found with several different models, including those in the relativistic impulse approximation, nonrelativistic calculations that include meson-exchange currents, isobar configurations, and six-quark configurations, and one calculation based on the Skyrme model. All calculations are very sensitive to the choice of deuteron wave function and nucleon form factor parametrization. The data for GMp(Q2) are in good agreement with the empirical dipole fit.

2 data tables
Table 1

The measured cross section have been devided by those obtained using the dipole form for the proton form factors: G_E=1/(1+Q2/0.71)**2, G_E(Q2)=G_M(Q2)/mu,where Q2 in GeV2, mu=2.79.

Table 2

Axis error includes +- 0.0/0.0 contribution (?////Errors given are the statistical errors and systematic uncertainties add ed in quadreture).


DEUTERON A(Q**2) STRUCTURE FUNCTION AND THE NEUTRON ELECTRIC FORM-FACTOR

Platchkov, S. ; Amroun, A. ; Auffret, S. ; et al.
Nucl.Phys.A 510 (1990) 740-758, 1990.
Inspire Record 292515 DOI 10.17182/hepdata.36877

We have measured the deuteron A ( Q 2 ) structure function in the momentum transfer region between 1 and 18 fm −2 . The accuracy of the data ranges from 2 to 6%. These measurements allow a sensitive test of theoretical predictions. We find that meson-exchange currents and relativistic corrections significantly improve the agreement between experiment and theory. We investigate the sensitivity of A ( Q 2 ) to the nucleon-nucleon interaction and to the neutron electric form factor G E n ( Q 2 ). Our analysis shows that G E n ( Q 2 ) can be extracted from these data with a significantly improved accuracy. The model dependence of this analysis is discussed.

4 data tables
Table 1

Axis error includes +- 15/15 contribution.

Table 2

Axis error includes +- 15/15 contribution.

Table 3

Axis error includes +- 15/15 contribution.

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