Ideas of four-fermion operators in electromagnetic form factor calculations

C.R. Ji; B.L.G. Bakker; H.M. Choi; A. Suzuki

doi:10.1103/PhysRevD.87.093004

Ideas of four-fermion operators in electromagnetic form factor calculations

C.R. Ji, B.L.G. Bakker, H.M. Choi, A. Suzuki

(Astro)-Particles Physics

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Four-fermion operators have been used in the past to link the quark-exchange processes in the interaction of hadrons with the effective meson-exchange amplitudes. In this paper, we apply the similar idea of a Fierz rearrangement to the self-energy and electromagnetic processes and focus on the electromagnetic form factors of the nucleon and the electron. We explain the motivation of using four-fermion operators and discuss the advantage of this method in computing electromagnetic processes. © 2013 American Physical Society.

Original language	English
Article number	093004
Number of pages	8
Journal	Physical Review D
Volume	87
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.87.093004
Publication status	Published - 7 May 2013

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title = "Ideas of four-fermion operators in electromagnetic form factor calculations",

abstract = "Four-fermion operators have been used in the past to link the quark-exchange processes in the interaction of hadrons with the effective meson-exchange amplitudes. In this paper, we apply the similar idea of a Fierz rearrangement to the self-energy and electromagnetic processes and focus on the electromagnetic form factors of the nucleon and the electron. We explain the motivation of using four-fermion operators and discuss the advantage of this method in computing electromagnetic processes. {\textcopyright} 2013 American Physical Society.",

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AU - Bakker, B.L.G.

AU - Choi, H.M.

AU - Suzuki, A.

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AB - Four-fermion operators have been used in the past to link the quark-exchange processes in the interaction of hadrons with the effective meson-exchange amplitudes. In this paper, we apply the similar idea of a Fierz rearrangement to the self-energy and electromagnetic processes and focus on the electromagnetic form factors of the nucleon and the electron. We explain the motivation of using four-fermion operators and discuss the advantage of this method in computing electromagnetic processes. © 2013 American Physical Society.

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VL - 87

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Ideas of four-fermion operators in electromagnetic form factor calculations

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