Electroproduction of lightest nucleon resonances up to Q∗2=12 GeV∗2 in quark models at light front

Abstract

The lightest nucleon resonances are described at light front as mixed states of the 3q cluster ("quark core") possessing a definite value of the inner orbital momentum L = 0,1 and a hadron molecular state, N+σ or Λ+K. Helicity amplitudes of the resonance electroproduction off the proton are calculated at large Q² up to 12 GeV² and compared to the last CLAS data. At this basis we have estimated the probability of quark core in lightest nucleon resonances and predicted the high Q² behaviour of the resonance electrocoupling.

Original language	English
Article number	04003
Journal	EPJ Web of Conference
Volume	138
DOIs	https://doi.org/10.1051/epjconf/201713804003
Publication status	Published - 27 Mar 2017
Event	23rd International Baldin Seminar on High Energy Physics Problems Relativistic Nuclear Physics and Quantum Chromodynamics, Baldin ISHEPP 2016 - Dubna, Russian Federation Duration: 19 Sep 2016 → 24 Sep 2016

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1051/epjconf/201713804003

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Obukhovsky, I. T., Faessler, A., Gutsche, TH., Fedorov, D. K., & Lyubovitskij, V. E. (2017). Electroproduction of lightest nucleon resonances up to Q∗2=12 GeV∗2 in quark models at light front. EPJ Web of Conference, 138, [04003]. https://doi.org/10.1051/epjconf/201713804003

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author = "Obukhovsky, {Igor T.} and A Faessler and TH Gutsche and Fedorov, {D. K.} and Lyubovitskij, {V. E.}",

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doi = "10.1051/epjconf/201713804003",

language = "English",

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AU - Obukhovsky, Igor T.

AU - Faessler, A

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AU - Fedorov, D. K.

AU - Lyubovitskij, V. E.

PY - 2017/3/27

Y1 - 2017/3/27

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AB - The lightest nucleon resonances are described at light front as mixed states of the 3q cluster ("quark core") possessing a definite value of the inner orbital momentum L = 0,1 and a hadron molecular state, N+σ or Λ+K. Helicity amplitudes of the resonance electroproduction off the proton are calculated at large Q2 up to 12 GeV2 and compared to the last CLAS data. At this basis we have estimated the probability of quark core in lightest nucleon resonances and predicted the high Q2 behaviour of the resonance electrocoupling.

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