Electromagnetic proton form factors in largeNcQCD | Zendy

C. A. Domínguez | Zendy; Teboho L Thapedi | Zendy

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Electromagnetic proton form factors in largeN_cQCD

Author(s) -

C. A. Domínguez,

Teboho L Thapedi

Publication year - 2004

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2004/10/003

Subject(s) - quantum chromodynamics , physics , proton , momentum transfer , particle physics , realization (probability) , polarization (electrochemistry) , limit (mathematics) , range (aeronautics) , yield (engineering) , zero (linguistics) , nuclear physics , quantum electrodynamics , quantum mechanics , scattering , mathematics , mathematical analysis , thermodynamics , chemistry , linguistics , statistics , materials science , philosophy , composite material

The electromagnetic form factors of the proton are obtained using aparticular realization of QCD in the large $N_c$ limit (${QCD}_{\infty}$),which sums up the infinite number of zero-width resonances to yield an Euler'sBeta function (Dual-${QCD}_{\infty}$). The form factors $F_1(q^2)$ and$F_2(q^2)$, as well as $G_M(q^2)$ agree very well with reanalyzed space-likedata in the whole range of momentum transfer. In addition, the predicted ratio$\mu_p G_E/G_M$ is in good agreement with recent polarization transfermeasurements at Jefferson Lab.Comment: 10 page

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