Inelastic electron scattering from the three-nucleon bound states with polarization

Schulze, R.; Sauer, P.U.

doi:10.1103/physrevc.48.38

Cited by 100 publications

(161 citation statements)

References 26 publications

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“…A precise proton measurement is important to minimize the error on the correction. We point out that our measurements have a lower limit in missing mass W 2 of 4 GeV 2 , already beyond the quasielastic and resonance region which were found to be more sensitive to nuclear e ects 87].…”

Section: Extracting the Neutron Results From 3 Hementioning

confidence: 99%

“…Furthermore, the determination of the neutron spin structure function from a measurement on 3 He relies on an understanding of the reaction mechanism for the virtual photon absorption combined with the use of a realistic 3 He wavefunction. Detailed investigations of the 3 He inelastic spin response functions versus that of a free neutron have been carried out by three groups 85,86,87]. They examined the e ect of the Fermi motion of nucleons and their binding in 3 He along with the study of the electromagnetic vertex using the most realistic 3 He wavefunction.…”

Section: Extracting the Neutron Results From 3 Hementioning

confidence: 99%

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Deep inelastic scattering of polarized electrons by polarizedHe3and the study of the neutron spin structure

et al. 1996

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The neutron longitudinal and transverse asymmetries A n 1 and A n 2 have been extracted from deep inelastic scattering of polarized electrons by a polarized 3 He target at incident energies of 19.42, 22.66 and 25.51 GeV. The measurement allows for the determination of the neutron spin structure functions g n 1 (x; Q 2 ) and g n 2 (x; Q 2 ) over the range 0:03 < x < 0:6 at an average Q 2 of 2 (GeV=c) 2 . The data are used for the evaluation of the Ellis-Ja e and Bjorken sum rules. The neutron spin structure function g n 1 (x; Q 2 ) is small and negative within the range of our measurement, yielding an integral R 0:6 0:03 g n 1 (x)dx = 0:028 0:006 (stat) 0:006 (syst). Assuming Regge behavior at low x, we extract n 1 =

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Section: Extracting the Neutron Results From 3 Hementioning

confidence: 99%

Section: Extracting the Neutron Results From 3 Hementioning

confidence: 99%

Deep inelastic scattering of polarized electrons by polarizedHe3and the study of the neutron spin structure

et al. 1996

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“…In particular, the derivation of the expression in the numerator of Eq. (9) and (10) generalizes the one of the 3 He helicity distribution, to be found in [12,19,20], while that of the denominator generalizes the I.A. derivation of the 3 He unpolarized parton distribution, which can be found, e.g., in Ref.…”

Section: Sidis and Single Spin Asymmetriesmentioning

confidence: 99%

Neutron single spin asymmetries from semi-inclusive deep inelastic scattering off transversely polarizedHe3

Scopetta

2007

Phys. Rev. D

122

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A study of semi-inclusive deep inelastic scattering off transversely polarized 3 He is presented.The formal expressions of the Collins and Sivers contributions to the azimuthal single spin asymmetry for the production of leading pions are derived, in impulse approximation, and estimated in the kinematics of forth-coming experiments at JLab. The AV18 interaction has been used for a realistic description of the nuclear dynamics; the nucleon structure has been described by proper parameterizations of data or suitable model calculations. The initial transverse momentum of the struck quark has been properly included in the calculation. The crucial issue of extracting the neutron information from 3 He data, planned to shed some light on the puzzling experimental scenario arisen from recent measurements for the proton and the deuteron, is thoroughly discussed.It is found that a model independent procedure, widely used in inclusive deep inelastic scattering to take into account the momentum and energy distributions of the bound nucleons in 3 He, can be applied also in the kinematics of the planned JLab experiments, although fragmentation functions, not only parton distributions, are involved. The possible role played by final state interactions in the process under investigation is addressed. * sergio.scopetta@pg.infn.it

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“…The formula is based on two different prescriptions from Refs. [41] and [44], that nonetheless yield the same re- …”

Section: The Convolution Approachmentioning

confidence: 93%

Measurement of the neutron (<sup>3</sup>He) spin structure functions at low Q<sup>2</sup>: A connection between the Bjorken and gerasimov-drell-hearn sum rule

Djawotho

2002

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Inelastic electron scattering from the three-nucleon bound states with polarization

Cited by 100 publications

References 26 publications

Deep inelastic scattering of polarized electrons by polarizedHe3and the study of the neutron spin structure

Deep inelastic scattering of polarized electrons by polarizedHe3and the study of the neutron spin structure

Neutron single spin asymmetries from semi-inclusive deep inelastic scattering off transversely polarizedHe3

Measurement of the neutron (<sup>3</sup>He) spin structure functions at low Q<sup>2</sup>: A connection between the Bjorken and gerasimov-drell-hearn sum rule

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