Chiral structure of the nucleon

Véronique Bernard; Norbert Kaiser; Joachim Kambor; Ulf G. Meißner

doi:10.1016/0550-3213(92)90615-I

Chiral structure of the nucleon

Véronique Bernard, Norbert Kaiser, Joachim Kambor, Ulf G. Meißner

School Office of the TUM School of Natural Sciences

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473 Scopus citations

Abstract

We analyze the structure of QCD Green functions with one external nucleon, treated as a very massive field. We discuss the matching conditions and relations of various nucleon matrix elements of quark currents to the relativistic approach. Particular emphasis is put on the forward Compton amplitudes. Besides the nucleon electromagnetic polarizabilities we consider the spin-flip amplitude f{hook}₂(ω²) to one-loop order. We predict the slope parameter of f{hook}₂(ω²) which can be determined from the absorption cross sections of circularly polarized photons on polarized nucleons.

Original language	English
Pages (from-to)	315-345
Number of pages	31
Journal	Nuclear Physics, Section B
Volume	388
Issue number	2
DOIs	https://doi.org/10.1016/0550-3213(92)90615-I
State	Published - 21 Dec 1992

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title = "Chiral structure of the nucleon",

abstract = "We analyze the structure of QCD Green functions with one external nucleon, treated as a very massive field. We discuss the matching conditions and relations of various nucleon matrix elements of quark currents to the relativistic approach. Particular emphasis is put on the forward Compton amplitudes. Besides the nucleon electromagnetic polarizabilities we consider the spin-flip amplitude f{hook}2(ω2) to one-loop order. We predict the slope parameter of f{hook}2(ω2) which can be determined from the absorption cross sections of circularly polarized photons on polarized nucleons.",

author = "V{\'e}ronique Bernard and Norbert Kaiser and Joachim Kambor and Mei{\ss}ner, {Ulf G.}",

note = "Funding Information: 2 Heisenberg Fellow. * Work supported in part by Deutsche Forschungsgemeinschaft, Bundesministerium f{\"u}r Forschung und Technology (BMFT) and by Schweizerischer Nationalfonds.",

year = "1992",

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doi = "10.1016/0550-3213(92)90615-I",

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T1 - Chiral structure of the nucleon

AU - Bernard, Véronique

AU - Kaiser, Norbert

AU - Kambor, Joachim

AU - Meißner, Ulf G.

N1 - Funding Information: 2 Heisenberg Fellow. * Work supported in part by Deutsche Forschungsgemeinschaft, Bundesministerium für Forschung und Technology (BMFT) and by Schweizerischer Nationalfonds.

PY - 1992/12/21

Y1 - 1992/12/21

N2 - We analyze the structure of QCD Green functions with one external nucleon, treated as a very massive field. We discuss the matching conditions and relations of various nucleon matrix elements of quark currents to the relativistic approach. Particular emphasis is put on the forward Compton amplitudes. Besides the nucleon electromagnetic polarizabilities we consider the spin-flip amplitude f{hook}2(ω2) to one-loop order. We predict the slope parameter of f{hook}2(ω2) which can be determined from the absorption cross sections of circularly polarized photons on polarized nucleons.

AB - We analyze the structure of QCD Green functions with one external nucleon, treated as a very massive field. We discuss the matching conditions and relations of various nucleon matrix elements of quark currents to the relativistic approach. Particular emphasis is put on the forward Compton amplitudes. Besides the nucleon electromagnetic polarizabilities we consider the spin-flip amplitude f{hook}2(ω2) to one-loop order. We predict the slope parameter of f{hook}2(ω2) which can be determined from the absorption cross sections of circularly polarized photons on polarized nucleons.

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DO - 10.1016/0550-3213(92)90615-I

M3 - Article

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SN - 0550-3213

VL - 388

SP - 315

EP - 345

JO - Nuclear Physics, Section B

JF - Nuclear Physics, Section B

IS - 2

ER -

Chiral structure of the nucleon

Abstract

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