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

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

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 | OmnÃ¨s 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 | OmnÃ¨s 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 D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 10/2011, Volume 84, Issue 7

We study the photon-to-meson transition form factors (TFFs) F-M gamma (Q(2)) for gamma gamma* -> M using light-front holographic methods. The Chern-Simons...

TRANSVERSE-MOMENTUM | GAMMA | PHOTON | ETA | ASTRONOMY & ASTROPHYSICS | MODEL | SCATTERING | PHYSICS, PARTICLES & FIELDS

TRANSVERSE-MOMENTUM | GAMMA | PHOTON | ETA | ASTRONOMY & ASTROPHYSICS | MODEL | SCATTERING | PHYSICS, PARTICLES & FIELDS

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

1979, ISBN 3540089985, Volume no. 83., 162

Book

Physical Review Letters, ISSN 0031-9007, 2006, Volume 97, Issue 19, p. 192001

The 1H(e,e'pi+)n cross section was measured at four-momentum transfers of Q2=1.60 and 2.45 GeV2 at an invariant mass of the photon nucleon system of W=2.22...

ELECTROPRODUCTION | CROSS SECTIONS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | FOUR MOMENTUM TRANSFER | PIONS | FORECASTING | FORM FACTORS | PHOTONS | MONOPOLES | NUCLEONS

ELECTROPRODUCTION | CROSS SECTIONS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | FOUR MOMENTUM TRANSFER | PIONS | FORECASTING | FORM FACTORS | PHOTONS | MONOPOLES | NUCLEONS

Journal Article

Physical Review Letters, ISSN 0031-9007, 12/2010, Volume 105, Issue 24, p. 242001

New precise results of a measurement of the elastic electron-proton scattering cross section performed at the Mainz Microtron MAMI are presented. About 1400...

HYDROGEN | RADIUS | PHYSICS, MULTIDISCIPLINARY | SCATTERING | Physics - Nuclear Experiment | Nuclear Experiment | Physics | ELECTRON-PROTON INTERACTIONS | DIMENSIONLESS NUMBERS | FOUR MOMENTUM TRANSFER | ERRORS | ENERGY RANGE | FERMIONS | PARTICLE PROPERTIES | BOSONS | LEPTON-HADRON INTERACTIONS | CROSS SECTIONS | MATERIALS WORKING | FORM FACTORS | MOMENTUM TRANSFER | PSEUDOSCALAR MESONS | MESONS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | LEPTON-BARYON INTERACTIONS | LEPTON-NUCLEON INTERACTIONS | INTERACTIONS | PROTONS | ELEMENTARY PARTICLES | NUCLEONS | ACCURACY | NUCLEAR PHYSICS AND RADIATION PHYSICS | PIONS | GEV RANGE 01-10 | GEV RANGE | PARTICLE INTERACTIONS | ELECTRON-NUCLEON INTERACTIONS | MAGNETIC FORMING | FABRICATION | BARYONS | HADRONS

HYDROGEN | RADIUS | PHYSICS, MULTIDISCIPLINARY | SCATTERING | Physics - Nuclear Experiment | Nuclear Experiment | Physics | ELECTRON-PROTON INTERACTIONS | DIMENSIONLESS NUMBERS | FOUR MOMENTUM TRANSFER | ERRORS | ENERGY RANGE | FERMIONS | PARTICLE PROPERTIES | BOSONS | LEPTON-HADRON INTERACTIONS | CROSS SECTIONS | MATERIALS WORKING | FORM FACTORS | MOMENTUM TRANSFER | PSEUDOSCALAR MESONS | MESONS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | LEPTON-BARYON INTERACTIONS | LEPTON-NUCLEON INTERACTIONS | INTERACTIONS | PROTONS | ELEMENTARY PARTICLES | NUCLEONS | ACCURACY | NUCLEAR PHYSICS AND RADIATION PHYSICS | PIONS | GEV RANGE 01-10 | GEV RANGE | PARTICLE INTERACTIONS | ELECTRON-NUCLEON INTERACTIONS | MAGNETIC FORMING | FABRICATION | BARYONS | HADRONS

Journal Article

Physical Review C, ISSN 2469-9985, 12/2016, Volume 94, Issue 6

Electromagnetic resonance properties are uniquely defined at the pole and do not depend on the separation of the resonance from background or the decay...

ELECTROPRODUCTION | NUCLEON | DELTA TRANSITION | SCATTERING-AMPLITUDE | ISOBAR | PHYSICS, NUCLEAR | MODEL | ELECTROMAGNETIC-EXCITATION | PION | PHOTOPRODUCTION | DELTA RESONANCE

ELECTROPRODUCTION | NUCLEON | DELTA TRANSITION | SCATTERING-AMPLITUDE | ISOBAR | PHYSICS, NUCLEAR | MODEL | ELECTROMAGNETIC-EXCITATION | PION | PHOTOPRODUCTION | DELTA RESONANCE

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 08/2011, Volume 84, Issue 3

The QCD evolution of the pion distribution amplitude (DA) phi(pi)(x, Q(2)) is computed for several commonly used models. Our analysis includes the...

EXCLUSIVE PROCESSES | TRANSVERSE-MOMENTUM | EVOLUTION | ASTRONOMY & ASTROPHYSICS | PION DISTRIBUTION AMPLITUDE | ASYMPTOTIC-BEHAVIOR | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Phenomenology

EXCLUSIVE PROCESSES | TRANSVERSE-MOMENTUM | EVOLUTION | ASTRONOMY & ASTROPHYSICS | PION DISTRIBUTION AMPLITUDE | ASYMPTOTIC-BEHAVIOR | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Phenomenology

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

Few-Body Systems, ISSN 0177-7963, 2014, Volume 55, Issue 12, pp. 1185 - 1222

We present a unified study of nucleon and elastic and transition form factors, and compare predictions made using a framework built upon a Faddeev equation...

DYSON-SCHWINGER EQUATIONS | HADRON PHYSICS | SPIN STRUCTURE | GREEN-TAKAHASHI IDENTITIES | PHYSICS, MULTIDISCIPLINARY | ANOMALOUS MAGNETIC-MOMENT | VECTOR-MESONS | QUARK-DIQUARK MODEL | PION LOOP CONTRIBUTION | DECUPLET BARYONS | ELECTROMAGNETIC-INTERACTIONS | Correlation | Momentum transfer | Mathematical analysis | Nucleons | Mathematical models | Vectors (mathematics) | Form factors | Quadrupoles

DYSON-SCHWINGER EQUATIONS | HADRON PHYSICS | SPIN STRUCTURE | GREEN-TAKAHASHI IDENTITIES | PHYSICS, MULTIDISCIPLINARY | ANOMALOUS MAGNETIC-MOMENT | VECTOR-MESONS | QUARK-DIQUARK MODEL | PION LOOP CONTRIBUTION | DECUPLET BARYONS | ELECTROMAGNETIC-INTERACTIONS | Correlation | Momentum transfer | Mathematical analysis | Nucleons | Mathematical models | Vectors (mathematics) | Form factors | Quadrupoles

Journal Article

Physical Review C - Nuclear Physics, ISSN 0556-2813, 02/2012, Volume 85, Issue 2

Journal Article

Nuclear Physics, Section B, ISSN 0550-3213, 2002, Volume 622, Issue 1, pp. 279 - 308

We derive expressions for strangeness-changing scalar form factors, which incorporate known theoretical constraints both at low and high energies. Their...

Coupled channels | Chiral Lagrangians | Scalar form factors | Mesonâ€“meson interactions | Final state interactions | Meson-meson interactions | scalar form factors | chiral Lagrangians | coupled channels | MESON-MESON | LAGRANGIANS | final state interactions | VECTOR | TAU-DECAYS | CHIRAL PERTURBATION-THEORY | AMPLITUDES | QUARK MASS | PION | RESONANCES | SCATTERING | meson-meson interactions | PHYSICS, PARTICLES & FIELDS

Coupled channels | Chiral Lagrangians | Scalar form factors | Mesonâ€“meson interactions | Final state interactions | Meson-meson interactions | scalar form factors | chiral Lagrangians | coupled channels | MESON-MESON | LAGRANGIANS | final state interactions | VECTOR | TAU-DECAYS | CHIRAL PERTURBATION-THEORY | AMPLITUDES | QUARK MASS | PION | RESONANCES | SCATTERING | meson-meson interactions | PHYSICS, PARTICLES & FIELDS

Journal Article

Physical Review Letters, ISSN 0031-9007, 2006, Volume 97, Issue 19

The H-1(e,e(')pi(+))n cross section was measured at four-momentum transfers of Q(2)=1.60 and 2.45 GeV2 at an invariant mass of the photon nucleon system of...

EXCLUSIVE PROCESSES | ELECTROPRODUCTION | QUANTUM CHROMODYNAMICS | QCD | RESONANCE REGION | PHYSICS, MULTIDISCIPLINARY | GEV2 | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | FOUR MOMENTUM TRANSFER | PHOTONS | HYDROGEN 1 TARGET | REGGE CALCULUS | NUCLEONS | CROSS SECTIONS | GEV RANGE 01-10 | FORM FACTORS | MASS | PIONS PLUS | ELECTRON REACTIONS

EXCLUSIVE PROCESSES | ELECTROPRODUCTION | QUANTUM CHROMODYNAMICS | QCD | RESONANCE REGION | PHYSICS, MULTIDISCIPLINARY | GEV2 | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | FOUR MOMENTUM TRANSFER | PHOTONS | HYDROGEN 1 TARGET | REGGE CALCULUS | NUCLEONS | CROSS SECTIONS | GEV RANGE 01-10 | FORM FACTORS | MASS | PIONS PLUS | ELECTRON REACTIONS

Journal Article

Physical Review C - Nuclear Physics, ISSN 0556-2813, 07/2012, Volume 86, Issue 1

We consider the transition (gamma*pi(0)(eta,eta') -> gamma) and electromagnetic (gamma*pi(+/-) -> pi(+/-)) form factors in a wide range of energy-momentum...

EXCLUSIVE PROCESSES | ELECTROPRODUCTION | MOMENTUM-TRANSFER | QCD AMPLITUDES | CMD-2 DETECTOR | EQUATIONS | PHYSICS, NUCLEAR | RADIATIVE-CORRECTIONS | PION | PERTURBATIVE QUANTUM CHROMODYNAMICS | ASYMPTOTIC-BEHAVIOR

EXCLUSIVE PROCESSES | ELECTROPRODUCTION | MOMENTUM-TRANSFER | QCD AMPLITUDES | CMD-2 DETECTOR | EQUATIONS | PHYSICS, NUCLEAR | RADIATIVE-CORRECTIONS | PION | PERTURBATIVE QUANTUM CHROMODYNAMICS | ASYMPTOTIC-BEHAVIOR

Journal Article

Physical Review C - Nuclear Physics, ISSN 0556-2813, 03/2007, Volume 75, Issue 3

Dispersion relations provide a powerful tool to analyze the electromagnetic form factors of the nucleon for all momentum transfers. Constraints from...

THEORETICAL ANALYSIS | PION SCATTERING RESONANCE | ELECTROMAGNETIC STRUCTURE | NEUTRON | CHARGE RADIUS | TIME-LIKE REGION | PHYSICS, NUCLEAR | VECTOR-MESONS | PROTON | CROSS-SECTION | 1ST MEASUREMENT | NUCLEAR PHYSICS AND RADIATION PHYSICS | DISPERSIONS | ELECTROMAGNETIC FORM FACTORS | MESONS | QUANTUM CHROMODYNAMICS | ELECTRIC CHARGES | MOMENTUM TRANSFER | MESON-NUCLEON INTERACTIONS | COUPLING CONSTANTS | PROTONS | DISPERSION RELATIONS

THEORETICAL ANALYSIS | PION SCATTERING RESONANCE | ELECTROMAGNETIC STRUCTURE | NEUTRON | CHARGE RADIUS | TIME-LIKE REGION | PHYSICS, NUCLEAR | VECTOR-MESONS | PROTON | CROSS-SECTION | 1ST MEASUREMENT | NUCLEAR PHYSICS AND RADIATION PHYSICS | DISPERSIONS | ELECTROMAGNETIC FORM FACTORS | MESONS | QUANTUM CHROMODYNAMICS | ELECTRIC CHARGES | MOMENTUM TRANSFER | MESON-NUCLEON INTERACTIONS | COUPLING CONSTANTS | PROTONS | DISPERSION RELATIONS

Journal Article

Physics Letters B, ISSN 0370-2693, 08/2010, Volume 691, Issue 4, pp. 191 - 201

The decays of narrow light vector mesons into pseudoscalar mesons and dileptons are calculated to leading order in a recently proposed scheme which treats...

Effective field theory | Vector mesons | Electromagnetic form factors | Vector-meson dominance | BARYON SCATTERING | PHYSICS, NUCLEAR | DECAYS | NUCLEONS | CHIRAL LAGRANGIANS | SYMMETRY | ASTRONOMY & ASTROPHYSICS | RESONANCES | PHYSICS, PARTICLES & FIELDS | Electromagnetism | Reactions (nuclear) | Pions | Mathematical analysis | Decay | Elementary particles | Form factors | Gain | Physics - High Energy Physics - Phenomenology | Fysik | Physical Sciences | Naturvetenskap | Natural Sciences | Physics

Effective field theory | Vector mesons | Electromagnetic form factors | Vector-meson dominance | BARYON SCATTERING | PHYSICS, NUCLEAR | DECAYS | NUCLEONS | CHIRAL LAGRANGIANS | SYMMETRY | ASTRONOMY & ASTROPHYSICS | RESONANCES | PHYSICS, PARTICLES & FIELDS | Electromagnetism | Reactions (nuclear) | Pions | Mathematical analysis | Decay | Elementary particles | Form factors | Gain | Physics - High Energy Physics - Phenomenology | Fysik | Physical Sciences | Naturvetenskap | Natural Sciences | Physics

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