Kline, R.V
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The flavor asymmetry of the light quark sea from semi-inclusive deep inelastic scattering.

The HERMES collaboration Ackerstaff, K. ; Airapetian, A. ; Akopov, N. ; et al.
Phys.Rev.Lett. 81 (1998) 5519-5523, 1998.
Inspire Record 473345 DOI 10.17182/hepdata.44248

The flavor asymmetry of the light quark sea of the nucleon is determined in the kinematic range 0.02<x<0.3 and 1 GeV^2<Q^2<10 GeV^2, for the first time from semi-inclusive deep-inelastic scattering. The quantity (dbar(x)-ubar(x))/(u(x)-d(x)) is derived from a relationship between the yields of positive and negative pions from unpolarized hydrogen and deuterium targets. The flavor asymmetry dbar-ubar is found to be non-zero and x dependent, showing an excess of dbar over ubar quarks in the proton.

1 data table
Table 1

The ratio of parton distribution functions (PDF) is determined from the ratio of the differencies between charged pion yields for proton and neutron targets: (N_p(pi-)-N_n(pi-))/(N_p(pi+)-N_n(pi+)).


Measurement of the Neutron Magnetic Form-factor in the $D (e, e^\prime) N P$ Reaction for Momentum Transfers 0.48-{GeV}$^2 \le Q^2 \le$ 0.83-{GeV}$^2$

Esaulov, A.S. ; Rekalo, A.P. ; Rekalo, M.P. ; et al.
Sov.J.Nucl.Phys. 45 (1987) 258-262, 1987.
Inspire Record 250500 DOI 10.17182/hepdata.2500

None

7 data tables
Table 1

REID POTENTIAL AND SPECIAL PARAMETRIZATION FOR ELECTRIC FORMFACTOR OF NEUTRON HAVE BEEN USED.

Table 2

REID POTENTIAL AND ELECTRIC FORMFACTOR OF NEUTRON EQUAL 0 HAVE BEEN USED.

Table 3

PARIS POTENTIAL AND SPECIAL PARAMETRIZATION FOR ELECTRIC FORMFACTOR OF NEUTRON HAVE BEEN USED.

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Electroproduction of Inclusive Pions at High Q**2

Bebek, C.J. ; Brown, C.N. ; Kline, R.V. ; et al.
Phys.Rev.D 16 (1977) 1986, 1977.
Inspire Record 5477 DOI 10.17182/hepdata.24507

This paper reports measurements of the inclusive pion electroproduction reaction e+N→e+π±+ anything with both proton and neutron targets for pions produced along and near the direction of the virtual photon. Two independent purposes of these measurements were to provide data at low ε and at high Q2. Data are reported for the (W,Q2,ε) points (2.2 GeV, 1.2 GeV2, 0.45), (2.7, 2.0, 0.35), (2.7, 3.3, 0.40), (2.7, 6.2, 0.40), and (2.7, 9.5, 0.40). The data are used to test Feynman scaling and to compare the ratio of the cross sections for charged-pion production to the quark-model predictions. The data are also used in conjunction with the data from earlier experiments to separate the scalar and transverse components of the cross section.

18 data tables
Table 1

No description provided.

Table 2

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Table 3

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Electroproduction of Protons at Large p(T)

Browman, A. ; Hanson, K.M. ; Holmes, Stephen D. ; et al.
Phys.Rev.Lett. 37 (1976) 974, 1976.
Inspire Record 109878 DOI 10.17182/hepdata.4667

We report measurements of the inclusive electroproduction reaction e+p→e+p+X for protons produced between 100° and 150° in the virtual-photon-target-proton center-of-mass system. Data were taken at the (W,Q2) points (2.2 GeV, 1.2 GeV2), (2.2, 3.6), (2.65, 1.2), (2.65, 2.0), (2.65, 2.8), (2.65, 3.6), (3.1, 1.2), and (3.1, 2.0). The invariant structure function is studied as a function of W, Q2, xT, pT2, and MX2.

32 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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