Phenomenology of the deuteron electromagnetic form factors

Abbott, D.; Ahmidouch, A.; Anklin, H.; Arvieux, J.; Ball, J.; Beedoe, S.; Beise, E. J.; Bimbot, L.; Boeglin, W.; Breuer, H.; Carlini, R.; Chant, N. S.; Danagoulian, S.; Dow, K.; Ducret, J.E.; Dunne, J.; Ewell, L.; Eyraud, L.; Furget, C.; Garçcon, M.; Gilman, R.; Glashausser, C.; Guèye, P.; Gustafsson, K.; Hafidi, K.; Honegger, A.; Jourdan, J.; Kox, S.; Kumbartzki, G.; Lu, Lanchun; Lung, A.; Markowitz, P.; McIntyre, Justin I.; Meekins, D.; Merchez, F.; Mitchell, J.; Mohring, R.; Mtingwa, S.; Mrktchyan, H.; Pitz, D.; Qin, L.; Ransome, R. D.; Réal, J. S.; Roos, P.G.; Rutt, P. M.; Sawafta, R.; Stepanyan, S.; Tieulent, R.; Tomasi–Gustafsson, E.; Turchinetz, W.; Vansyoc, K.; Volmer, J.; Voutier, E.; Williamson, C. F.; Wood, S. A.; Yan, Chao; Zhao, J.; Wenheng, Zhao

doi:10.1007/pl00013629

Cited by 133 publications

(72 citation statements)

References 24 publications

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“…Refs. [1][2][3][4]). Many theoretical approaches have been applied to the problem of the deuteron form factors: perturbative QCD, chiral effective and phenomenological approaches, potential and quark models (see e.g.…”

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confidence: 97%

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Nuclear physics in soft-wall AdS/QCD: Deuteron electromagnetic form factors

et al. 2015

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We present a high-quality description of the deuteron electromagnetic form factors in a soft-wall anti-de Sitter/quantum chromodynamics approach. We first propose an effective action describing the dynamics of the deuteron in the presence of an external vector field. Based on this action the deuteron electromagnetic form factors are calculated, displaying the correct 1=Q 10 power scaling for large Q 2 values. This finding is consistent with quark counting rules and the earlier observation that this result holds in confining gauge/gravity duals. The Q 2 dependence of the deuteron form factors is defined by a single and universal scale parameter κ, which is fixed from data.The experimental and theoretical study of the deuteron is one of the main focuses of hadronic physics during the last decades (for detailed reviews see e.g. Refs. [1][2][3][4]). Many theoretical approaches have been applied to the problem of the deuteron form factors: perturbative QCD, chiral effective and phenomenological approaches, potential and quark models (see e.g. Refs. ). For example, in potential models the nonrelativistic impulse approximation [7,8] was used. It leads to deuteron form factors factorized in terms of the isoscalar combinations of the nucleon form factors. These approaches are able to describe data up to 0.5 GeV 2 , but deviate from data for higher Q 2 and are not consistent with quark counting rules. To include relativistic effects, different types of relativistic nuclear models have been developed. One possibility is based on taking into account relativistic corrections in a v=c expansion of the nonrelativistic current (leading to so-called two-body interaction current diagrams) [9][10][11]. Such approaches are limited in their validity of the description of data up to 1-2 GeV 2 . There is a group of models based on relativistic Hamiltonian constraint dynamics, which uses certain phenomenological potentials (Argonne, Nijmegen, etc.) and three forms of quantization procedures (point, instant or front form) (see e.g. Refs. [12,13]). Field-theoretical methods formulated in terms of hadronic (mesons, nucleons, Δ-isobars) degrees of freedom are used in a wide range of approaches. These include models based on the solution of a quasipotential [14] or on Bethe-Salpeter [16] equations. These methods also include field theories quantized on the light cone [17,18], phenomenological Lagrangian approaches [19] and effective field theories treating the long-range dynamics explicitly while parametrizing the short-distance effects by contact interactions (for recent applications to deuteron form factors see e.g. Refs.[20]). Another class of approaches supposes to treat the deuteron in terms of fundamental degrees of freedom-quarks and gluons: nonrelativistic quark models [21,22] and perturbative QCD [6]. The analysis of Ref.[6] results in a prediction for the asymptotic large-momentum-transfer behavior of the deuteron form factors and the form of the deuteron distribution amplitude at short distances. Later on in Ref. [23] it was shown...

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confidence: 97%

“…The best description of the data on the deuteron form factors is obtained for κ ¼ 190 MeV and is shown by the solid line. Data points are taken from Refs [2,4]…”

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confidence: 99%

Nuclear physics in soft-wall AdS/QCD: Deuteron electromagnetic form factors

et al. 2015

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“…The spin angle in each case varied by a few degrees along the cell and was corrected using a carefully measured field map. The average spin angle was calibrated simultaneously with the target tensor polarization by comparing the elastic tensor asymmetries at low momentum transfer 1:75 < Q < 2:15 fm À1 to Monte Carlo simulations based on parametrization III [26] of previous experimental data. The uncertainty in the normalization is estimated to be AE5%, which is dominated by the dispersion between the three parametrizations [26].…”

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confidence: 99%

“…The average spin angle was calibrated simultaneously with the target tensor polarization by comparing the elastic tensor asymmetries at low momentum transfer 1:75 < Q < 2:15 fm À1 to Monte Carlo simulations based on parametrization III [26] of previous experimental data. The uncertainty in the normalization is estimated to be AE5%, which is dominated by the dispersion between the three parametrizations [26]. The tensor polarizations for the 2004 and 2005 data sets were P zz ¼ 0:683 AE 0:015 AE 0:013 AE 0:034 and 0:563 AE 0:013 AE 0:023 AE 0:028, respectively, where the three uncertainties are statistical, systematic, and due to the parametrization, in that order.…”

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Precise Measurement of Deuteron Tensor Analyzing Powers with BLAST

et al. 2011

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We report a precision measurement of the deuteron tensor analyzing powers T(20) and T(21) at the MIT-Bates Linear Accelerator Center. Data were collected simultaneously over a momentum transfer range Q=2.15-4.50 fm(-1) with the Bates Large Acceptance Spectrometer Toroid using a highly polarized deuterium internal gas target. The data are in excellent agreement with calculations in a framework of effective field theory. The deuteron charge monopole and quadrupole form factors G(C) and G(Q) were separated with improved precision, and the location of the first node of G(C) was confirmed at Q=4.19±0.05 fm(-1). The new data provide a strong constraint on theoretical models in a momentum transfer range covering the minimum of T(20) and the first node of G(C).

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