The European Physical Journal C, ISSN 1434-6044, 11/2014, Volume 74, Issue 11, pp. 1 - 13

We analyze the pion transition form factor using dispersion theory. We calculate the singly-virtual form factor in the time-like region based on data for the...

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | ORDER HADRONIC CORRECTIONS | LOW-ENERGY THEOREM | MESON PARAMETERS | MUON G-2 | CMD-2 DETECTOR | CHIRAL PERTURBATION-THEORY | BY-LIGHT CONTRIBUTION | ANOMALOUS MAGNETIC-MOMENT | AXIAL-VECTOR CURRENT | ASYMPTOTIC-BEHAVIOR | PHYSICS, PARTICLES & FIELDS | Pions | Mathematical analysis | Scattering | Texts | Dispersions | Formalism | Form factors | Cross sections | Regular - Theoretical Physics | Fysik | Physical Sciences | Naturvetenskap | Natural Sciences

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | ORDER HADRONIC CORRECTIONS | LOW-ENERGY THEOREM | MESON PARAMETERS | MUON G-2 | CMD-2 DETECTOR | CHIRAL PERTURBATION-THEORY | BY-LIGHT CONTRIBUTION | ANOMALOUS MAGNETIC-MOMENT | AXIAL-VECTOR CURRENT | ASYMPTOTIC-BEHAVIOR | PHYSICS, PARTICLES & FIELDS | Pions | Mathematical analysis | Scattering | Texts | Dispersions | Formalism | Form factors | Cross sections | Regular - Theoretical Physics | Fysik | Physical Sciences | Naturvetenskap | Natural Sciences

Journal Article

Physics Letters B, ISSN 0370-2693, 08/2012, Volume 715, Issue 1-3, pp. 170 - 177

A new approach to the parameterization of pion form factors is presented and for illustration applied to the pion vector form factor. It has the correct...

Pion form factor | Omnès representation | ELECTROPRODUCTION | MESONS | SPACE-LIKE | FIELD THEORY | PHYSICS, NUCLEAR | Omnes representation | MODEL | E(+)E(-) | REGION | PHASE | ONE-LOOP | ASTRONOMY & ASTROPHYSICS | SCATTERING | PHYSICS, PARTICLES & FIELDS | Parametrization | Maps | Pions | Mathematical analysis | Elementary particles | Isobars | Vectors (mathematics) | Form factors

Pion form factor | Omnès representation | ELECTROPRODUCTION | MESONS | SPACE-LIKE | FIELD THEORY | PHYSICS, NUCLEAR | Omnes representation | MODEL | E(+)E(-) | REGION | PHASE | ONE-LOOP | ASTRONOMY & ASTROPHYSICS | SCATTERING | PHYSICS, PARTICLES & FIELDS | Parametrization | Maps | Pions | Mathematical analysis | Elementary particles | Isobars | Vectors (mathematics) | Form factors

Journal Article

Physical Review C - Nuclear Physics, ISSN 0556-2813, 06/2010, Volume 81, Issue 6

In a Poincare-covariant vector-boson-exchange theory, the pion possesses components of pseudovector origin, which materially influence its observable...

DYSON-SCHWINGER EQUATIONS | PHYSICS, NUCLEAR | QCD | PHYSICS | MODEL | THEOREM | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | ORIGIN | PIONS | QUANTUM CHROMODYNAMICS | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | FORM FACTORS

DYSON-SCHWINGER EQUATIONS | PHYSICS, NUCLEAR | QCD | PHYSICS | MODEL | THEOREM | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | ORIGIN | PIONS | QUANTUM CHROMODYNAMICS | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | FORM FACTORS

Journal Article

Physical Review D, ISSN 1550-7998, 2009, Volume 80, Issue 5

We study the reaction e(+)e(-) -> e(+)e(-)pi(0) in the single tag mode and measure the differential cross section d sigma/dQ(2) and the gamma gamma* -> pi(0)...

EXCLUSIVE PROCESSES | MESONS | QUANTUM CHROMODYNAMICS | QCD | ASTRONOMY & ASTROPHYSICS | PION | COLLISIONS | PHYSICS, PARTICLES & FIELDS

EXCLUSIVE PROCESSES | MESONS | QUANTUM CHROMODYNAMICS | QCD | ASTRONOMY & ASTROPHYSICS | PION | COLLISIONS | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 11/2012, Volume 2012, Issue 11, pp. 1 - 46

We derive all the $ \mathcal{O}\left( {{p^6}} \right) $ Chiral Perturbation Theory low-energy constants from a class of gravity dual models of QCD described by...

QCD | Chiral Lagrangians | AdS-CFT Correspondence | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | 1/N Expansion | Elementary Particles, Quantum Field Theory | PHOTON-PHOTON COLLISIONS | 2 LOOPS | PION DISTRIBUTION AMPLITUDE | VECTOR | EXCLUSIVE PROCESSES | PERTURBATION-THEORY | SYMMETRY BREAKING | RESONANCES | RENORMALIZATION | PHYSICS, PARTICLES & FIELDS

QCD | Chiral Lagrangians | AdS-CFT Correspondence | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | 1/N Expansion | Elementary Particles, Quantum Field Theory | PHOTON-PHOTON COLLISIONS | 2 LOOPS | PION DISTRIBUTION AMPLITUDE | VECTOR | EXCLUSIVE PROCESSES | PERTURBATION-THEORY | SYMMETRY BREAKING | RESONANCES | RENORMALIZATION | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 1/2014, Volume 2014, Issue 1, pp. 1 - 32

We construct an evolution equation for the pion wave function in the k T factorization formalism, whose solution sums the mixed logarithm ln x ln k T to all...

QCD | Resummation | Quantum Physics | Quantum Field Theories, String Theory | Electromagnetic Processes and Properties | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | FACTORIZATION | PHOTON | ORDER QCD CORRECTIONS | BEHAVIOR | MESON | HEAVY-QUARK PRODUCTION | RENORMALIZATION | PAIR | PHYSICS, PARTICLES & FIELDS | Electromagnetism | Pions | Mathematical analysis | Evolution | Wave functions | Logarithms | Form factors | Factorization | Quantum chromodynamics

QCD | Resummation | Quantum Physics | Quantum Field Theories, String Theory | Electromagnetic Processes and Properties | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | FACTORIZATION | PHOTON | ORDER QCD CORRECTIONS | BEHAVIOR | MESON | HEAVY-QUARK PRODUCTION | RENORMALIZATION | PAIR | PHYSICS, PARTICLES & FIELDS | Electromagnetism | Pions | Mathematical analysis | Evolution | Wave functions | Logarithms | Form factors | Factorization | Quantum chromodynamics

Journal Article

Physics Letters B, ISSN 0370-2693, 12/2014, Volume 739, pp. 133 - 138

We present a dispersive representation of the D-term form factor for hard exclusive reactions, using unsubtracted -channel dispersion relations. The -channel...

Dispersion relations | Generalized parton distributions | Deeply virtual Compton scattering | GAMMA | 2 PIONS | NUCLEON | PI-PI | PHYSICS, MULTIDISCIPLINARY | HARD EXCLUSIVE ELECTROPRODUCTION | CHIRAL PERTURBATION-THEORY | ENERGY-MOMENTUM TENSOR | Nuclear and High Energy Physics | Nuclear Theory | Experiment | hep-ph | nucl-th | nucl-ex | High Energy Physics - Experiment | Physics | High Energy Physics - Phenomenology | High Energy Physics | Nuclear Experiment | hep-ex

Dispersion relations | Generalized parton distributions | Deeply virtual Compton scattering | GAMMA | 2 PIONS | NUCLEON | PI-PI | PHYSICS, MULTIDISCIPLINARY | HARD EXCLUSIVE ELECTROPRODUCTION | CHIRAL PERTURBATION-THEORY | ENERGY-MOMENTUM TENSOR | Nuclear and High Energy Physics | Nuclear Theory | Experiment | hep-ph | nucl-th | nucl-ex | High Energy Physics - Experiment | Physics | High Energy Physics - Phenomenology | High Energy Physics | Nuclear Experiment | hep-ex

Journal Article

The European Physical Journal A, ISSN 1434-6001, 11/2019, Volume 55, Issue 11, pp. 1 - 8

The charge form factor and charge radius of neutron are investigated in the perturbative chiral quark model (PCQM) with considering both the ground and excited...

Nuclear Physics, Heavy Ions, Hadrons | Nuclear Fusion | Physics | Particle and Nuclear Physics | Physics - High Energy Physics - Phenomenology

Nuclear Physics, Heavy Ions, Hadrons | Nuclear Fusion | Physics | Particle and Nuclear Physics | Physics - High Energy Physics - Phenomenology

Journal Article

Physics Letters B, ISSN 0370-2693, 01/2011, Volume 696, Issue 1-2, pp. 97 - 102

The electric dipole form factor (EDFF) of the nucleon stemming from the QCD term and from the quark color-electric dipole moments is calculated in chiral...

Quark chromo-electric dipole moment | Time reversal violation | Nucleon electric dipole form factor | Chiral perturbation theory | QCD theta term | Nucleon electric dipole moment | MOMENT | LAGRANGIANS | QUARK-MODEL | LATTICE QCD | ISOSPIN VIOLATION | NEUTRON EDM | MASS | STRONG CP-VIOLATION | PHYSICS, MULTIDISCIPLINARY | Clouds | Analysis | Universities and colleges | Perturbation theory | Pions | Elementary particles | Images | Electric dipoles | Nucleons | Form factors | Dipole moment | Stemming

Quark chromo-electric dipole moment | Time reversal violation | Nucleon electric dipole form factor | Chiral perturbation theory | QCD theta term | Nucleon electric dipole moment | MOMENT | LAGRANGIANS | QUARK-MODEL | LATTICE QCD | ISOSPIN VIOLATION | NEUTRON EDM | MASS | STRONG CP-VIOLATION | PHYSICS, MULTIDISCIPLINARY | Clouds | Analysis | Universities and colleges | Perturbation theory | Pions | Elementary particles | Images | Electric dipoles | Nucleons | Form factors | Dipole moment | Stemming

Journal Article

The European Physical Journal C, ISSN 1434-6044, 7/2017, Volume 77, Issue 7, pp. 1 - 8

Starting from a successful model of the $$\pi $$ π -meson electromagnetic form factor, we calculate a similar form factor, $$F_{K}(Q^{2})$$ F K ( Q 2 ) , of...

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | MODEL | ELECTROWEAK PROPERTIES | LIGHT MESONS | INSTANT-FORM | PHYSICS, PARTICLES & FIELDS | Measurement | Analysis | Electromagnetism | Momentum transfer | Pions | Laboratories | Form factors

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | MODEL | ELECTROWEAK PROPERTIES | LIGHT MESONS | INSTANT-FORM | PHYSICS, PARTICLES & FIELDS | Measurement | Analysis | Electromagnetism | Momentum transfer | Pions | Laboratories | Form factors

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 11/2013, Volume 2013, Issue 11, pp. 1 - 37

We present a comprehensive study of the electromagnetic form factor, the decay constant and the mass of the pion computed in lattice QCD with two degenerate...

Chiral Lagrangians | Lattice QCD | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Nonperturbative Effects | Elementary Particles, Quantum Field Theory | Nonperturbative effects | TWISTED BOUNDARY-CONDITIONS | STRANGE QUARK | POLARIZABILITIES | ONE-LOOP | LOW-ENERGY | FLAVORS | HMC ALGORITHM | MASS | IMPROVEMENT | SCATTERING | PHYSICS, PARTICLES & FIELDS | Pions | Lattices | Charge | Constants | Mathematical models | Decomposition | Form factors | Quantum chromodynamics

Chiral Lagrangians | Lattice QCD | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Nonperturbative Effects | Elementary Particles, Quantum Field Theory | Nonperturbative effects | TWISTED BOUNDARY-CONDITIONS | STRANGE QUARK | POLARIZABILITIES | ONE-LOOP | LOW-ENERGY | FLAVORS | HMC ALGORITHM | MASS | IMPROVEMENT | SCATTERING | PHYSICS, PARTICLES & FIELDS | Pions | Lattices | Charge | Constants | Mathematical models | Decomposition | Form factors | Quantum chromodynamics

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 01/2011, Volume 83, Issue 1

The transverse charge density in the pion can be represented as a dispersion integral of the imaginary part of the pion form factor in the timelike region....

ELECTROPRODUCTION | GENERALIZED PARTON DISTRIBUTIONS | WAVE-FUNCTION | QUANTUM CHROMODYNAMICS | RADIUS | IMPACT PARAMETER SPACE | ASTRONOMY & ASTROPHYSICS | ONE LOOP | COLOR-TRANSPARENCY | CROSS-SECTION | REGION | PHYSICS, PARTICLES & FIELDS | NUCLEAR PHYSICS AND RADIATION PHYSICS | MESONS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | PIONS | CHARGE DENSITY | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | ANNIHILATION | FORM FACTORS | ACCURACY | WAVE FUNCTIONS

ELECTROPRODUCTION | GENERALIZED PARTON DISTRIBUTIONS | WAVE-FUNCTION | QUANTUM CHROMODYNAMICS | RADIUS | IMPACT PARAMETER SPACE | ASTRONOMY & ASTROPHYSICS | ONE LOOP | COLOR-TRANSPARENCY | CROSS-SECTION | REGION | PHYSICS, PARTICLES & FIELDS | NUCLEAR PHYSICS AND RADIATION PHYSICS | MESONS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | PIONS | CHARGE DENSITY | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | ANNIHILATION | FORM FACTORS | ACCURACY | WAVE FUNCTIONS

Journal Article

13.
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Pion light-front wave function, parton distribution and the electromagnetic form factor

Journal of Physics G: Nuclear and Particle Physics, ISSN 0954-3899, 09/2015, Volume 42, Issue 9, p. 95005

We derive the lowest-order q (q) over bar valence light-front wave function for the pion with L-z = 0 and vertical bar L-z vertical bar = 1, which reproduces...

light-front quark model | electromagnetic form factor | pion | parton distribution | ELECTROPRODUCTION | PHYSICS, NUCLEAR | REGION | PHYSICS, PARTICLES & FIELDS | Wave functions | Pions | Partons | Form factors | Particle physics | Physics - High Energy Physics - Phenomenology

light-front quark model | electromagnetic form factor | pion | parton distribution | ELECTROPRODUCTION | PHYSICS, NUCLEAR | REGION | PHYSICS, PARTICLES & FIELDS | Wave functions | Pions | Partons | Form factors | Particle physics | Physics - High Energy Physics - Phenomenology

Journal Article

Physics Letters B, ISSN 0370-2693, 07/2009, Volume 678, Issue 1, pp. 90 - 96

We examine the quark mass dependence of the pion vector form factor, particularly the curvature (mean quartic radius). We focus our study on the consequences...

Pion form factor | Quark mass dependence | Omnès representation | Inverse amplitude method | SPACE | ASTRONOMY & ASTROPHYSICS | CHIRAL PERTURBATION-THEORY | PHYSICS, NUCLEAR | AMPLITUDE | Omnes representation | PHYSICS, PARTICLES & FIELDS

Pion form factor | Quark mass dependence | Omnès representation | Inverse amplitude method | SPACE | ASTRONOMY & ASTROPHYSICS | CHIRAL PERTURBATION-THEORY | PHYSICS, NUCLEAR | AMPLITUDE | Omnes representation | PHYSICS, PARTICLES & FIELDS

Journal Article

FEW-BODY SYSTEMS, ISSN 0177-7963, 12/2019, Volume 60, Issue 4

The study of nucleon electromagnetic form factors has long been identified as a singular source of information for conception strong interactions in the extent...

ELECTROPRODUCTION | RESONANCE | PHYSICS, MULTIDISCIPLINARY | CURRENT MATRIX-ELEMENTS | SINGLE PION-PHOTOPRODUCTION | BARYONS

ELECTROPRODUCTION | RESONANCE | PHYSICS, MULTIDISCIPLINARY | CURRENT MATRIX-ELEMENTS | SINGLE PION-PHOTOPRODUCTION | BARYONS

Journal Article

The European Physical Journal C, ISSN 1434-6044, 7/2007, Volume 51, Issue 2, pp. 335 - 345

We compute the electromagnetic form factor of the pion, using non-perturbatively O(a) improved Wilson fermions. The calculations are done for a wide range of...

Measurement Science, Instrumentation | Nuclear Physics, Heavy Ions, Hadrons | Physics | Physics beyond the Standard Model | Astronomy, Astrophysics and Cosmology | Elementary Particles, Quantum Field Theory | ELECTROPRODUCTION | WILSON FERMIONS | VECTOR CURRENT | O(A) IMPROVEMENT | PHYSICS, PARTICLES & FIELDS | Pions | Flavor (particle physics) | Fermions | Lattices | Size effects | Lattice parameters | Form factors | Quantum chromodynamics

Measurement Science, Instrumentation | Nuclear Physics, Heavy Ions, Hadrons | Physics | Physics beyond the Standard Model | Astronomy, Astrophysics and Cosmology | Elementary Particles, Quantum Field Theory | ELECTROPRODUCTION | WILSON FERMIONS | VECTOR CURRENT | O(A) IMPROVEMENT | PHYSICS, PARTICLES & FIELDS | Pions | Flavor (particle physics) | Fermions | Lattices | Size effects | Lattice parameters | Form factors | Quantum chromodynamics

Journal Article

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One-pion exchange current effects on magnetic form factor in the relativistic formalism

Journal of Physics G: Nuclear and Particle Physics, ISSN 0954-3899, 02/2016, Volume 43, Issue 4, pp. 45103 - 45114

One-pion exchange current effects on the magnetic form factors of some odd nuclei are studied in the relativistic formalism. The Dirac wave functions of...

relativistic mean-field theory | magnetic form factor | one-pion exchange current | O-17 | CA-41 | EXCITATION | ELECTRON-NUCLEUS SCATTERING | PHYSICS, NUCLEAR | DENSITY | RADIUS | MEAN-FIELD THEORY | DYNAMICS | CORE-POLARIZATION | PHYSICS, PARTICLES & FIELDS | Exchange | Nucleons | Mathematical models | Wave functions | Orbits | Formalism | Form factors | Quenching

relativistic mean-field theory | magnetic form factor | one-pion exchange current | O-17 | CA-41 | EXCITATION | ELECTRON-NUCLEUS SCATTERING | PHYSICS, NUCLEAR | DENSITY | RADIUS | MEAN-FIELD THEORY | DYNAMICS | CORE-POLARIZATION | PHYSICS, PARTICLES & FIELDS | Exchange | Nucleons | Mathematical models | Wave functions | Orbits | Formalism | Form factors | Quenching

Journal Article

Physics Letters B, ISSN 0370-2693, 1996, Volume 376, Issue 1, pp. 19 - 24

The formalism underlying the analysis of e e → π τ in the p - ω interference region is carefully revisited. We show that the standard neglect of the pure I = 0...

Isospin | Mixing | Pion form-factor | Vector mesons | vector mesons | PROTON ELASTIC-SCATTERING | mixing | pion form-factor | QUARKS | isospin | CHARGE-SYMMETRY BREAKING | PHYSICS

Isospin | Mixing | Pion form-factor | Vector mesons | vector mesons | PROTON ELASTIC-SCATTERING | mixing | pion form-factor | QUARKS | isospin | CHARGE-SYMMETRY BREAKING | PHYSICS

Journal Article