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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Nucleon-to-Roper electromagnetic transition form factors at large Q(2)

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Author(s):
Chen, Chen [1] ; Lu, Ya [2] ; Binosi, Daniele [3, 4] ; Roberts, Craig D. [5] ; Rodriguez-Quintero, Jose [6] ; Segovia, Jorge [7]
Total Authors: 6
Affiliation:
[1] Univ Estadual Paulista, Inst Fis Teor, Rua Dr Bento Teobaldo Ferraz 271, BR-01140070 Sao Paulo, SP - Brazil
[2] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu - Peoples R China
[3] European Ctr Theoret Studies Nucl Phys & Related, Str Tabarelle 286, I-38123 Villazzano, TN - Italy
[4] Fdn Bruno Kessler Villa Tambosi, Str Tabarelle 286, I-38123 Villazzano, TN - Italy
[5] Argonne Natl Lab, Div Phys, Argonne, IL 60439 - USA
[6] Univ Huelva, Dept Integrated Sci, E-21071 Huelva - Spain
[7] Univ Pablo de Olavide, Dept Sistemas Fis Quim & Nat, E-41013 Seville - Spain
Total Affiliations: 7
Document type: Journal article
Source: Physical Review D; v. 99, n. 3 FEB 19 2019.
Web of Science Citations: 5
Abstract

High-precision nucleon-resonance electroproduction data on a large kinematic domain of energy and momentum transfer have proven crucial in revealing novel features of strong interactions within the Standard Model and unfolding structural details of baryon excited states. Thus, in anticipation of new data reaching to unprecedented photon virtuality, we employ a quark-diquark approximation to the three-valence-quark bound-state problem to compute gamma{*} p -> R+ and gamma{*}n -> R+ and gamma{*}n -> R-0 transition form factors on Q(2)/m(N)(2) epsilon {[}0, 12], where m(N) is the nucleon mass. Having simultaneously analyzed both charged and neutral channels, we also provide a quark-flavor separation of the transition form factors. The results should be useful in planning new-generation experiments. (AU)

FAPESP's process: 15/21550-4 - Continuum strong QCD: baryon masses and partonic structure
Grantee:Chen Chen
Support type: Scholarships in Brazil - Post-Doctorate