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Related papers: Chiral dynamics and peripheral transverse densitie…

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We present the general framework to calculate chiral-odd generalized parton distributions in the overlap representation using the Fock-state decomposition in the transverse spin basis. In the forward limit we derive the transversity…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Pincetti , B. Pasquini , S. Boffi

The axial form factor of the nucleon is studied in a two-component model consisting of a three-quark intrinsic structure surrounded by a meson cloud. The experimental data in the space-like region are well reproduced with a minimal number…

Nuclear Theory · Physics 2008-11-26 C. Adamuščín , E. Tomasi-Gustafsson , E. Santopinto , R. Bijker

We discuss the recent interpretation of quark distribution functions in the plane transverse to the light-cone direction. Such a mapping is model independent and allows one to build multidimensional pictures of the hadron and to develop a…

High Energy Physics - Phenomenology · Physics 2017-08-23 C. Lorcé , B. Pasquini , M. Vanderhaeghen

The electromagnetic form factors are the most fundamental quantities to describe the internal structure of the nucleon and the shape of a spatially extended particle is determined by its {\it intrinsic} quadrupole moment which is first…

High Energy Physics - Phenomenology · Physics 2010-12-23 Harleen Dahiya , Neetika Sharma

Longitudinal and transverse parton distributions for pion and nucleon are calculated from hadron vertexes obtained by a study of form factors within relativistic quark models. The relevance of the one-gluon-exchange dominance at short range…

High Energy Physics - Phenomenology · Physics 2011-07-21 T. Frederico , E. Pace , B. Pasquini , G. Salmé

We employ a model based on nucleonic and mesonic degrees of freedom to discuss the competition between isotropic and anisotropic phases in cold and dense matter. Assuming isotropy, the model exhibits a chiral phase transition which is of…

Nuclear Theory · Physics 2024-04-23 Savvas Pitsinigkos , Andreas Schmitt

We study $e^+e^-\to\pi^+\pi^-$ cross section and phase shift of $I=l=1$ $\pi-\pi$ scattering below 1GeV in framework of chiral constituent quark model. The results including all order contribution of the chiral perturbation expansion and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Xiao-Jun Wang , Mu-Lin Yan

We calculate the electromagnetic form factors of the nucleon to third chiral order in manifestly Lorentz-invariant effective field theory. The rho and omega mesons as well as the Delta(1232) resonance are included as explicit dynamical…

Nuclear Theory · Physics 2013-05-30 T. Bauer , J. C. Bernauer , S. Scherer

We study the momentum and the quark mass dependence of the axial nucleon to Delta(1232) transition form factors in the framework of non-relativistic chiral effective field theory to leading-one-loop order. The outcome of our analysis…

High Energy Physics - Phenomenology · Physics 2009-02-23 Massimiliano Procura

We investigate fluctuations of the net-baryon number density in hot hadronic matter. We discuss the interplay between chiral dynamics and repulsive interactions and their influence on the properties of these fluctuations near the chiral…

High Energy Physics - Phenomenology · Physics 2021-03-29 Michał Marczenko , Krzysztof Redlich , Chihiro Sasaki

We demonstrate that chiral transport in a strongly magnetized electron-positron plasma can arise dynamically from dissipative pair-creation processes encoded in the imaginary part of the photon polarization tensor within one-loop…

High Energy Physics - Phenomenology · Physics 2026-05-11 J. L. Acosta Avalo , S. Montesino Castillo , E. E. García Reynaldo

We calculate the nucleon and the delta mass to fourth order in a covariant formulation of the small scale expansion. We analyze lattice data from the MILC collaboration and demonstrate that the available lattice data combined with our…

High Energy Physics - Lattice · Physics 2007-05-23 Véronique Bernard , Thomas R. Hemmert , Ulf-G. Meißner

Recent progress on the extraction of electromagnetic properties of nucleon resonance excitation through pion photo- and electroproduction is reviewed. Cross section data measured at MAMI, ELSA, and CEBAF are analyzed and compared to the…

Nuclear Theory · Physics 2015-05-30 L. Tiator , D. Drechsel , S. S. Kamalov , M. Vanderhaeghen

We present the effective field theory for dark matter interactions with the visible sector that is valid at scales of O(1 GeV). Starting with an effective theory describing the interactions of fermionic and scalar dark matter with quarks,…

High Energy Physics - Phenomenology · Physics 2017-08-30 Fady Bishara , Joachim Brod , Benjamin Grinstein , Jure Zupan

The low energy dynamics of the general strongly interacting symmetry breaking sector can be easily described using effective chiral Lagrangians. Indeed, the enhancement in WW scattering at LHC, that would imply the existence of such an…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. R. Pelaez

The next-to-leading order chiral pion-nucleon Lagrangian contains seven finite low-energy constants. Two can be fixed from the nucleon anomalous magnetic moments and another one from the quark mass contribution to the neutron-proton mass…

High Energy Physics - Phenomenology · Physics 2016-09-06 V. Bernard , N. Kaiser , Ulf-G. Meißner

We present a comprehensive overview of chirality and its optical manifestation in plasmonic nanosystems and nanostructures. We discuss top-down fabricated structures that range from solid metallic nanostructures to groupings of metallic…

Spin-dependent quark densities, matrix elements of specific density operators in proton states of definite spin-polarization, indicate that the nucleon may harbor an infinite variety of non-spherical shapes. We show that these matrix…

Nuclear Theory · Physics 2008-11-26 Gerald A. Miller

We present a microscopic calculation of the complete quasiparticle interaction, including central as well as noncentral components, in neutron matter from high-precision two- and three-body forces derived within the framework of chiral…

Nuclear Theory · Physics 2015-06-11 J. W. Holt , N. Kaiser , W. Weise

Magnons in antiferromagnets exhibit two chiral modes, providing an intrinsic degree of freedom for magnon-based computing architectures and spintronic devices. Electrical control of chiral splitting is crucial for applications, but remains…

Materials Science · Physics 2026-01-22 Yu Xie , Dinghui Wang , Chao Li , Xiaofan Shen , Junting Zhang