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Passchier, I.; Alarcón, R.; Bauer, Th.; Boersma, D. J.; Brand, J. van den; Buuren, L. D. van; Bulten, H.; Ferro‐Luzzi, M.; Heimberg, P.; Higinbotham, D. W.; Jager, C. W. de; Klous, S.; Kolster, H.; Lang, J.; Militsyn, Boris; Nikolenko, D. M.; Nooren, G.; Norum, B.; Poolman, H. R.; Rachek, I. A.; Simani, M. C.; Six, E.; Szczerba, Dominik; Vries, H. de; Wang, K.; Zhou, Zhengfang

doi:10.1103/physrevlett.82.4988

Cited by 206 publications

(173 citation statements)

References 28 publications

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“…Passchier et al [Pas99] reported the first measurement of spin-correlation parameters A V ed at a Q 2 of 0.21 GeV 2 in 2 H( e, e ′ n)p reaction at NIKHEF; this experiment used a stored polarized electron beam and an internal vector polarized deuterium gas target; they extracted the value of G En from the measured sideways spin-correlation parameter in quasi-free scattering.…”

Section: Neutron Electric Form Factor Measurements With Polarization mentioning

confidence: 99%

Nucleon electromagnetic form factors

Perdrisat

Punjabi

Vanderhaeghen

2007

Progress in Particle and Nuclear Physics

474

583

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There has been much activity in the measurement of the elastic electromagnetic proton and neutron form factors in the last decade, and the quality of the data has been greatly improved by performing double polarization experiments, in comparison with previous unpolarized data. Here we review the experimental data base in view of the new results for the proton, and neutron, obtained at MIT-Bates, MAMI, and JLab. The rapid evolution of phenomenological models triggered by these high-precision experiments will be discussed, including the recent progress in the determination of the valence quark generalized parton distributions of the nucleon, as well as the steady rate of improvements made in the lattice QCD calculations.

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Section: Neutron Electric Form Factor Measurements With Polarization mentioning

confidence: 99%

Nucleon electromagnetic form factors

Perdrisat

Punjabi

Vanderhaeghen

2007

Progress in Particle and Nuclear Physics

474

583

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“…This shows that in this specific kinematic region the deuteron can be used as an effective neutron target. Thus, these data were normalized to the calculations and yielded an absolute accuracy of 3% in the determination of hP d 1 for our measurement of the charge form factor of the neutron [37]. For increasing missing momenta, both the data and predictions for the asymmetry reverse sign.…”

mentioning

confidence: 99%

“…The second wall was used only for neutron detection, as described in Ref. [37]. central angle of 58 ± and covered a solid angle of about 250 msr.…”

mentioning

confidence: 99%

Spin-Momentum Correlations in Quasielastic Electron Scattering from Deuterium

Passchier¹,

Buuren²,

Szczerba³

et al. 2002

Phys. Rev. Lett.

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The spin-momentum correlation parameter A V ed was measured for the 2 H͑e, e 0 p͒n reaction for missing momenta up to 350 MeV͞c at Q 2 0.21 ͑GeV͞c͒ 2 for quasielastic scattering of polarized electrons from vector-polarized deuterium. The data give detailed information about the deuteron spin structure and are in good agreement with the results of microscopic calculations based on realistic nucleon-nucleon potentials and including various spin-dependent reaction mechanism effects. The experiment reveals in a most direct manner the effects of the D state in the deuteron ground-state wave function and shows the importance of isobar configurations for this reaction. DOI: 10.1103/PhysRevLett.88.102302 PACS numbers: 25.30.Fj, 21.45. +v, 24.70. +s, 27.10. +h The deuteron serves as a benchmark for testing nuclear theory. Observables such as its binding energy, static magnetic dipole and charge quadrupole moment, asymptotic D͞S ratio, and the elastic electromagnetic form factors place strong constraints on any realistic nuclear model. Its simple structure allows reliable calculations to be performed in both nonrelativistic and relativistic frameworks [1 -6]. Such calculations are based upon state-of-the-art nucleon-nucleon (NN) potentials [7][8][9][10], and the resulting ground-state wave function is dominated by the S state, especially at low relative proton-neutron momentum p in the center of mass system. Because of the tensor part of the NN interaction a D-state component is generated (see, e.g., [5,11]). The models predict that the S-and D-state components strongly depend on p and are sensitive to the repulsive core of the NN interaction at short distances [5].Traditionally, the spin structure of the deuteron has been studied through measurements of the tensor analyzing power T 20 [12][13][14][15][16][17][18] in elastic electron-deuteron scattering. Complementary information can be obtained by electrodisintegration studies in the region of quasielastic scattering. In the 2 H͑e, e 0 p͒n reaction, energy n and three-momentum q are transferred to the nucleus and the nuclear response can be mapped as a function of missing momentum p m and missing energy. Here, p m ϵ q 2 p f and p f represents the momentum of the ejected proton. In the planewave impulse approximation (PWIA) the neutron is a spectator only during the scattering process, and p m is equal to the initial proton momentum in the deuteron, while the missing energy equals the binding energy. In this way the ͑e, e 0 p͒ reaction has been employed to probe the proton inside the deuteron for momenta up to 1.0 GeV͞c [19][20][21].To enhance the sensitivity to the spin structure of the deuteron, spin dependent observables in quasielastic scattering can be used [5,22,23]. The polarization of a proton P p z inside a deuteron with a vector polarization P d 1 , is given by [24]where P S and P D , respectively, represent the S-and D-state probability densities of the ground-state wave function. Note that the polarization of a nucleon in the D state is opposite to that of...

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“…A number of other cuts was applied to optimize the dilution factor and keep the nuclear corrections under control. [3], open diamonds [4], open cross [5], open circle [6], open triangle [7], open squares [8]). …”

Section: Analysis and Resultsmentioning

confidence: 99%

A polarized target measurement of the electric form factor of the neutron at JLab

Savvinov¹

2004

Braz. J. Phys.

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The experiment E93-026 at the Thomas Jefferson National Accelerator Facility (JLab) determined the electric form factor of the neutron G n E through quasielastic d( e, e n)p scattering using a longitudinally polarized electron beam and a frozen polarized 15 N D3 target. The knocked out neutrons were detected in a segmented plastic scintillator detector in coincidence with the scattered electrons. The G n E was extracted by comparing the experimental beam-target asymmetry with full theoretical calculations based on different values of G n E . Preliminary results of the Fall 2001 run are reported.

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Charge Form Factor of the Neutron from the Reaction2H→(e→

Cited by 206 publications

References 28 publications

Nucleon electromagnetic form factors

Nucleon electromagnetic form factors

Spin-Momentum Correlations in Quasielastic Electron Scattering from Deuterium

A polarized target measurement of the electric form factor of the neutron at JLab

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