Electron Scattering in the Excitation Region of the Delta Resonance on Nuclei with<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>A</mml:mi><mml:mo>=</mml:mo><mml:mn>1</mml:mn><mml:mn /><mml:mi> </mml:mi><mml:mi mathvariant="normal">to</mml:mi><mml:mi> </mml:mi><mml:mn>16</mml:mn></mml:math>

O'Connell, J.S.; Dodge, W. R.; Lightbody, J. W.; Maruyama, X. K.; Adler, J.; Hansen, Kurt Schaldemose; Schrøder, B.; Bernstein, A. M.; Blomqvist, K. I.; Cottman, B. H.; Comuzzi, J.; Miskimen, R.; Quinn, B.

doi:10.1103/physrevlett.53.1627

Cited by 66 publications

(39 citation statements)

References 13 publications

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“…As for the Anghinolfi data, we get also for the O'Connell data [98,103] good correspondence for the measurement with higher Q 2 QE-peak of 0.190 GeV 2 while we overshoot the QE-peak height for the lower Q 2 QE-peak = 0.106 GeV 2 . In Fig.…”

Section: Scattering Of Oxygenmentioning

confidence: 50%

“…Still unsolved is the discrepancy at the QE peak at very low Q 2 of Q 2 ≤ 0.15 where our model overestimates both the Anghinolfi [100,102] and O'Connell [98,103] data and does not resemble the peak shift. In view of this, we studied the influence of the initial momentum distribution of the nucleons.…”

Section: Discussionmentioning

confidence: 94%

“…At large energy transfers, the lack of double pion production strength leads to an underestimation of the data To analyze the problem at E beam = 0.7 GeV more closely, we compare in Fig. 10 our model to measurements performed by O'Connell et al [98,103], where the kinematical constraints are similar to the (E beam = 0.700 GeV, θ k ′ = 32.0…”

Section: Scattering Of Oxygenmentioning

confidence: 99%

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Electron- and neutrino-nucleus scattering from the quasielastic to the resonance region

et al. 2009

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We present a model for electron-and neutrino-scattering off nucleons and nuclei focussing on the quasielastic and resonance region. The lepton-nucleon reaction is described within a relativistic formalism that includes, besides quasielastic scattering, the excitation of 13 N * and ∆ resonances and a non-resonant single-pion background. Recent electron-scattering data is used for the state-ofthe-art parametrizations of the vector form factors; the axial couplings are determined via PCAC and, in the case of the ∆ resonance, the axial form factor is refitted using neutrino-scattering data. Scattering off nuclei is treated within the Giessen Boltzmann-Uehling-Uhlenbeck (GiBUU) framework that takes into account various nuclear effects: the local density approximation for the nuclear ground state; mean-field potentials and in-medium spectral functions. Results for inclusive scattering off Oxygen are presented and, in the case of electron-induced reactions, compared to experimental data and other models.

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Section: Scattering Of Oxygenmentioning

confidence: 50%

Section: Discussionmentioning

confidence: 94%

Section: Scattering Of Oxygenmentioning

confidence: 99%

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Electron- and neutrino-nucleus scattering from the quasielastic to the resonance region

et al. 2009

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“…The real part of Π contains the effects of the mean field potential (and possible dispersive corrections) [263]. The parameter Q 2 denotes the four-momentum-squared at the quasi-elastic-peak position (from [58]).…”

Section: Inclusive Cross Sectionsmentioning

confidence: 99%

Transport-theoretical description of nuclear reactions

et al. 2012

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In this review we first outline the basics of transport theory and its recent generalization to offshell transport. We then present in some detail the main ingredients of any transport method using in particular the Giessen Boltzmann-Uehling-Uhlenbeck (GiBUU) implementation of this theory as an example. We discuss the potentials used, the ground state initialization and the collision term, including the in-medium modifications of the latter. The central part of this review covers applications of GiBUU to a wide class of reactions, starting from pion-induced reactions over proton and antiproton reactions on nuclei to heavy-ion collisions (up to about 30 AGeV). A major part concerns also the description of photon-, electron-and neutrino-induced reactions (in the energy range from a few 100 MeV to a few 100 GeV). For this wide class of reactions GiBUU gives an excellent description with the same physics input and the same code being used. We argue that GiBUU is an indispensable tool for any investigation of nuclear reactions in which final-state interactions play a role. Studies of pion-nucleus interactions, nuclear fragmentation, heavy-ion reactions, hypernucleus formation, hadronization, color transparency, electronnucleus collisions and neutrino-nucleus interactions are all possible applications of GiBUU and are discussed in this article.

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“…11) of experimental uncertainties in our data and the data given in Refs. [10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35], and uncertainties in the evaluation procedure. The first type of uncertainties was accounted for in the moment evaluation point-by-point.…”

Section: Systematic Uncertaintiesmentioning

confidence: 99%

Measurement of the nucleon structure function in the nuclear medium and evaluation of its moments

et al. 2010

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We report on the measurement of inclusive electron scattering off a carbon target performed with CLAS at Jefferson Laboratory. A combination of three different beam energies 1.161, 2.261 and 4.461 GeV allowed us to reach an invariant mass of the final-state hadronic system W ≈ 2.4 GeV with four-momentum transfers Q 2 ranging from 0.2 to 5 (GeV/c) 2 . These data, together with previous measurements of the inclusive electron scattering off proton and deuteron, which cover a similar continuous two-dimensional region of Q 2 and Bjorken variable x, permit the study of nuclear modifications of the nucleon structure. By using these, as well as other world data, we evaluated the F 2 structure function and its moments. Using an OPE-based twist expansion, we studied the Q 2 -evolution of the moments, obtaining a separation of the leading-twist and the total higher-twist terms. The carbon-to-deuteron ratio of the leading-twist contributions to the F 2 moments exhibits the well known EMC effect, compatible with that discovered previously in x-space. The total higher-twist term in the carbon nucleus appears, although with large systematic uncertainties, to be smaller with respect to the deuteron case for n < 7, suggesting partial parton deconfinement in nuclear matter. We speculate that the spatial extension of the nucleon is changed when it is immersed in the nuclear medium.

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Electron Scattering in the Excitation Region of the Delta Resonance on Nuclei withA=1 to 16

Cited by 66 publications

References 13 publications

Electron- and neutrino-nucleus scattering from the quasielastic to the resonance region

Electron- and neutrino-nucleus scattering from the quasielastic to the resonance region

Transport-theoretical description of nuclear reactions

Measurement of the nucleon structure function in the nuclear medium and evaluation of its moments

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