Nuclear Physics, Section B, ISSN 0550-3213, 01/2013, Volume 866, Issue 1, pp. 1 - 25

We analyze Nf=2 nucleon mass data with respect to their dependence on the pion mass down to mπ=157 MeV and compare it with predictions from covariant baryon...

Nucleon mass | Covariant baryon chiral perturbation theory | Sommer scale | Finite size corrections | Pion–nucleon sigma term | Pion-nucleon sigma term | ORDER | ONE-LOOP | EXPANSION | CHIRAL PERTURBATION-THEORY | PHYSICS, PARTICLES & FIELDS | Analysis | Universities and colleges | Physics - High Energy Physics - Lattice

Nucleon mass | Covariant baryon chiral perturbation theory | Sommer scale | Finite size corrections | Pion–nucleon sigma term | Pion-nucleon sigma term | ORDER | ONE-LOOP | EXPANSION | CHIRAL PERTURBATION-THEORY | PHYSICS, PARTICLES & FIELDS | Analysis | Universities and colleges | Physics - High Energy Physics - Lattice

Journal Article

Nuclear and Particle Physics Proceedings, ISSN 2405-6014, 07/2018, Volume 300-302, pp. 107 - 112

Nucleon sigma terms are fundamental properties of the nucleons and are important input quantities for direct dark matter detection experiments. Here we present...

sigma terms | quark contents | lattice QCD

sigma terms | quark contents | lattice QCD

Journal Article

Annals of Physics, ISSN 0003-4916, 09/2013, Volume 336, pp. 413 - 461

We present a novel analysis of the πN scattering amplitude in covariant baryon chiral perturbation theory up to O(p3) within the extended-on-mass-shell...

Subthreshold expansion | Cheng–Dashen theorem | Pion–nucleon scattering | Goldberger–Treiman relation | Baryon chiral perturbation theory | Pion–nucleon sigma term | Goldberger-Treiman relation | Cheng-Dashen theorem | Pion-nucleon scattering | Pion-nucleon sigma term | EXTRAPOLATION | LOW-ENERGY THEOREM | PHASE SHIFT | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | PION-NUCLEON INTERACTIONS | SCATTERING AMPLITUDES | PERTURBATION THEORY | BARYONS | SCATTERING | PARTIAL WAVES | RENORMALIZATION

Subthreshold expansion | Cheng–Dashen theorem | Pion–nucleon scattering | Goldberger–Treiman relation | Baryon chiral perturbation theory | Pion–nucleon sigma term | Goldberger-Treiman relation | Cheng-Dashen theorem | Pion-nucleon scattering | Pion-nucleon sigma term | EXTRAPOLATION | LOW-ENERGY THEOREM | PHASE SHIFT | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | PION-NUCLEON INTERACTIONS | SCATTERING AMPLITUDES | PERTURBATION THEORY | BARYONS | SCATTERING | PARTIAL WAVES | RENORMALIZATION

Journal Article

Computer Physics Communications, ISSN 0010-4655, 06/2012, Volume 183, Issue 6, pp. 1215 - 1224

The exact evaluation of the disconnected diagram contributions to the flavor-singlet pseudo-scalar meson mass, the nucleon σ-term and the nucleon...

Lattice QCD | Nucleon form factors | Nucleon sigma term

Lattice QCD | Nucleon form factors | Nucleon sigma term

Journal Article

Nuclear Physics, Section A, ISSN 0375-9474, 05/2012, Volume 881, pp. 62 - 77

The constituents of cold dense matter are still far from being understood. However, neutron star observations such as the recently observed pulsar PSR...

Neutron stars | Hypernuclei | Hadronic matter | Equation of state | GIANT MONOPOLE RESONANCE | MASSES | PHYSICS, NUCLEAR | MODEL | OMEGA-TERM | LAMBDA | NONLINEAR SIGMA-TERM | NUCLEAR-MATTER | MEAN-FIELD-THEORY | PARAMETRIZATION | Astronomy

Neutron stars | Hypernuclei | Hadronic matter | Equation of state | GIANT MONOPOLE RESONANCE | MASSES | PHYSICS, NUCLEAR | MODEL | OMEGA-TERM | LAMBDA | NONLINEAR SIGMA-TERM | NUCLEAR-MATTER | MEAN-FIELD-THEORY | PARAMETRIZATION | Astronomy

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 03/2012, Volume 85, Issue 5

We determine the strangeness and light quark fractions of the nucleon mass by computing the quark line connected and disconnected contributions to the matrix...

SIGMA-TERM | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS

SIGMA-TERM | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 09/2013, Volume 88, Issue 5

We calculate the intrinsic strangeness of the nucleon, < N vertical bar(s) over bars vertical bar N > < 0 vertical bar(s) over bars vertical bar 0 >, using the...

SIGMA-TERM | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Lattice

SIGMA-TERM | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Lattice

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 07/2013, Volume 88, Issue 1

We present a calculation of the strangeness and charmness contents < N vertical bar(s) over bars vertical bar N > and < N vertical bar(c) over barc vertical...

LATTICE QCD | HEAVY | SIGMA-TERM | ASTRONOMY & ASTROPHYSICS | MASS | QUARKS | PHYSICS, PARTICLES & FIELDS

LATTICE QCD | HEAVY | SIGMA-TERM | ASTRONOMY & ASTROPHYSICS | MASS | QUARKS | PHYSICS, PARTICLES & FIELDS

Journal Article

Physical Review Letters, ISSN 0031-9007, 11/2009, Volume 103, Issue 20, p. 201802

Recent lattice measurements have given accurate estimates of the quark condensates in the proton. We use these results to significantly improve the dark matter...

BENCHMARKS | MASSES | SYMMETRY | PHYSICS, MULTIDISCIPLINARY | PARTICLE PHYSICS | SIGMA-TERM | MATTER | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | SUPERSYMMETRY | SPIN | MATHEMATICAL MODELS | FERMIONS | PARTICLE PROPERTIES | PROTONS | ELEMENTARY PARTICLES | NUCLEONS | FIELD THEORIES | GRAND UNIFIED THEORY | CROSS SECTIONS | STANDARD MODEL | ANGULAR MOMENTUM | NONLUMINOUS MATTER | QUANTUM CHROMODYNAMICS | QUARK CONDENSATION | BARYONS | HADRONS | QUANTUM FIELD THEORY | UNIFIED GAUGE MODELS | PARTICLE MODELS

BENCHMARKS | MASSES | SYMMETRY | PHYSICS, MULTIDISCIPLINARY | PARTICLE PHYSICS | SIGMA-TERM | MATTER | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | SUPERSYMMETRY | SPIN | MATHEMATICAL MODELS | FERMIONS | PARTICLE PROPERTIES | PROTONS | ELEMENTARY PARTICLES | NUCLEONS | FIELD THEORIES | GRAND UNIFIED THEORY | CROSS SECTIONS | STANDARD MODEL | ANGULAR MOMENTUM | NONLUMINOUS MATTER | QUANTUM CHROMODYNAMICS | QUARK CONDENSATION | BARYONS | HADRONS | QUANTUM FIELD THEORY | UNIFIED GAUGE MODELS | PARTICLE MODELS

Journal Article

Physics Letters B, ISSN 0370-2693, 06/2018, Volume 781, Issue C, pp. 719 - 722

Baryon masses and nucleon σ terms are studied with the effective theory that combines the chiral and 1/Nc expansions for three flavors. In particular the...

Nucleon mass | Gell-Mann–Okubo mass formula | Baryon masses | Sigma terms | Gell-Mann–Okubo | mass formula | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Nucleon mass | Gell-Mann–Okubo mass formula | Baryon masses | Sigma terms | Gell-Mann–Okubo | mass formula | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Journal Article

Physical Review C - Nuclear Physics, ISSN 0556-2813, 09/2013, Volume 88, Issue 3

The effect of strong magnetic fields on the properties of the pasta structure is calculated within a Thomas-Fermi approach using relativistic mean-field models...

DENSITY | NONLINEAR SIGMA-TERM | MATTER | NEUTRON-STARS | STATE | PHYSICS, NUCLEAR | GAMMA-RAY BURSTS | EQUATION | OMEGA-TERM

DENSITY | NONLINEAR SIGMA-TERM | MATTER | NEUTRON-STARS | STATE | PHYSICS, NUCLEAR | GAMMA-RAY BURSTS | EQUATION | OMEGA-TERM

Journal Article

Physics Letters B, ISSN 0370-2693, 10/2015, Volume 749, Issue C, pp. 592 - 596

We present a unified picture of mesons and baryons in the Dyson–Schwinger/Bethe–Salpeter approach, wherein the quark–gluon and quark–(anti)quark interactions...

QCD's Green's functions | Mesons | Baryons | Quark–gluon vertex | Quark-gluon vertex | SALPETER | LADDER | PHYSICS, NUCLEAR | SIGMA-TERMS | ASTRONOMY & ASTROPHYSICS | DYSON | SPECTRA | EQUATION | PHYSICS, PARTICLES & FIELDS | Quarks | Investigations | Physics - High Energy Physics - Phenomenology | Nuclear and High Energy Physics | Nuclear Theory | Experiment | Physics | Lattice | Phenomenology | High Energy Physics - Phenomenology | High Energy Physics | Nuclear Experiment

QCD's Green's functions | Mesons | Baryons | Quark–gluon vertex | Quark-gluon vertex | SALPETER | LADDER | PHYSICS, NUCLEAR | SIGMA-TERMS | ASTRONOMY & ASTROPHYSICS | DYSON | SPECTRA | EQUATION | PHYSICS, PARTICLES & FIELDS | Quarks | Investigations | Physics - High Energy Physics - Phenomenology | Nuclear and High Energy Physics | Nuclear Theory | Experiment | Physics | Lattice | Phenomenology | High Energy Physics - Phenomenology | High Energy Physics | Nuclear Experiment

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 03/2012, Volume 85, Issue 5

We discuss techniques for evaluating sea quark contributions to hadronic form factors on the lattice and apply these to an exploratory calculation of the...

QCD | SIGMA-TERM | ASTRONOMY & ASTROPHYSICS | LIGHT | IMPROVEMENT | QUARK MASSES | PROTON | SCALE | SCATTERING | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Lattice

QCD | SIGMA-TERM | ASTRONOMY & ASTROPHYSICS | LIGHT | IMPROVEMENT | QUARK MASSES | PROTON | SCALE | SCATTERING | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Lattice

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 11/2017, Volume 2017, Issue 11, pp. 1 - 41

We provide expressions for the nonperturbative matching of the effective field theory describing dark matter interactions with quarks and gluons to the...

Chiral Lagrangians | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | LATTICE QCD | HEAVY | GENERALIZED PARTON DISTRIBUTIONS | ELECTROMAGNETIC FORM-FACTORS | SIGMA-TERM | HELICITY FLIP | FORCES | PHYSICS, PARTICLES & FIELDS | Analysis | Quarks | Matching | Operators | Dark matter | Gluons | Nucleons | Field theory | Phenomenology | High Energy Physics - Phenomenology | High Energy Physics | Nuclear Theory | Nuclear and particle physics. Atomic energy. Radioactivity | Lattice | Astrophysics - Cosmology and Nongalactic Astrophysics | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Chiral Lagrangians | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | LATTICE QCD | HEAVY | GENERALIZED PARTON DISTRIBUTIONS | ELECTROMAGNETIC FORM-FACTORS | SIGMA-TERM | HELICITY FLIP | FORCES | PHYSICS, PARTICLES & FIELDS | Analysis | Quarks | Matching | Operators | Dark matter | Gluons | Nucleons | Field theory | Phenomenology | High Energy Physics - Phenomenology | High Energy Physics | Nuclear Theory | Nuclear and particle physics. Atomic energy. Radioactivity | Lattice | Astrophysics - Cosmology and Nongalactic Astrophysics | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 06/2013, Volume 87, Issue 11

The scalar strange-quark matrix element of the nucleon is computed with lattice QCD. A mixed-action scheme is used with domain-wall valence fermions computed...

BARYON MASSES | MATTER | SIGMA-TERM | ASTRONOMY & ASTROPHYSICS | CHIRAL FERMIONS | EXPANSION | QUARKS | PHYSICS | CROSS-SECTION | SCATTERING | VALENCE | PHYSICS, PARTICLES & FIELDS

BARYON MASSES | MATTER | SIGMA-TERM | ASTRONOMY & ASTROPHYSICS | CHIRAL FERMIONS | EXPANSION | QUARKS | PHYSICS | CROSS-SECTION | SCATTERING | VALENCE | PHYSICS, PARTICLES & FIELDS

Journal Article

Physical Review C - Nuclear Physics, ISSN 0556-2813, 07/2013, Volume 88, Issue 1

We have calculated the properties of nuclear matter in a self-consistent manner with a quark-meson coupling mechanism incorporating the structure of nucleons...

MEAN-FIELD | DENSITY | MATTER | SIGMA-TERM | OF-STATE | PHYSICS, NUCLEAR | FINITE NUCLEI | FORCES | MESON-COUPLING MODEL | HARTREE-FOCK CALCULATIONS

MEAN-FIELD | DENSITY | MATTER | SIGMA-TERM | OF-STATE | PHYSICS, NUCLEAR | FINITE NUCLEI | FORCES | MESON-COUPLING MODEL | HARTREE-FOCK CALCULATIONS

Journal Article

Physical Review C - Nuclear Physics, ISSN 0556-2813, 06/2014, Volume 89, Issue 6

I have proposed two parameter sets, NLD1 and NLD2, for the Lagrangian with nonlinear derivative couplings in the relativistic mean-field theory. Properties of...

DENSITY | ENERGY | SIGMA-TERM | NEUTRON-STARS | DYNAMICS | PHYSICS, NUCLEAR | PROTON | GROUND-STATE PROPERTIES | OMEGA-TERM

DENSITY | ENERGY | SIGMA-TERM | NEUTRON-STARS | DYNAMICS | PHYSICS, NUCLEAR | PROTON | GROUND-STATE PROPERTIES | OMEGA-TERM

Journal Article

Progress in Particle and Nuclear Physics, ISSN 0146-6410, 04/2012, Volume 67, Issue 2, pp. 327 - 331

We present a determination of the pion–nucleon sigma-term based on a novel analysis of the πN scattering amplitude in Lorentz covariant baryon chiral...

[formula omitted] scattering | Chiral theory | Sigma terms | πN scattering

[formula omitted] scattering | Chiral theory | Sigma terms | πN scattering

Journal Article

Physical Review C, ISSN 2469-9985, 07/2016, Volume 94, Issue 1

The Vlasov formalism is extended to relativistic mean field hadron models with nonlinear terms up to fourth order and applied to the calculation of the...

NONLINEAR SIGMA-TERM | NUCLEAR-MATTER | GROUND-STATE | SYMMETRY ENERGY | COLLECTIVE MODES | HEAVY-ION COLLISIONS | NEUTRON-STARS | CONSTRAINTS | PHYSICS, NUCLEAR | DENSE MATTER | OMEGA-TERM | Physics - Nuclear Theory

NONLINEAR SIGMA-TERM | NUCLEAR-MATTER | GROUND-STATE | SYMMETRY ENERGY | COLLECTIVE MODES | HEAVY-ION COLLISIONS | NEUTRON-STARS | CONSTRAINTS | PHYSICS, NUCLEAR | DENSE MATTER | OMEGA-TERM | Physics - Nuclear Theory

Journal Article

Nuclear Physics, Section A, ISSN 0375-9474, 10/2016, Volume 954, pp. 125 - 148

A detailed analysis of the lowest two moments of the ϕ meson spectral function in vacuum and nuclear matter is performed. The consistency is examined between...

Strangeness sigma term | Sum rules | Nuclear matter | Phi meson | STRANGENESS | BARYONIC MATTER | CHIRAL SU DYNAMICS | PHYSICS, NUCLEAR | VECTOR-MESONS | RHO-MESON | EXPANSION | CONSTRAINTS | SUM-RULES | OPERATORS | Analysis | Quarks

Strangeness sigma term | Sum rules | Nuclear matter | Phi meson | STRANGENESS | BARYONIC MATTER | CHIRAL SU DYNAMICS | PHYSICS, NUCLEAR | VECTOR-MESONS | RHO-MESON | EXPANSION | CONSTRAINTS | SUM-RULES | OPERATORS | Analysis | Quarks

Journal Article