Results 21 to 30 of about 225,392 (278)
UNQUENCHING THE QUARK MODEL [PDF]
Theoretical Nuclear Physics in Italy, 2007 We present the formalism for a new generation of unquenched quark models in which quark-antiquark pair effects are taken into account in an explicit form via a microscopic QCD-inspired quark-antiquark creation mechanism. No truncation in the sum over all the big tower of states is necessary since these states are automatically generated by means of ...
Santopinto, E., Bijker, R.
openaire +2 more sources
Nuclear Physics B, 2023 In this study, the T-even sub-leading twist transverse momentum dependent distributions (TMDs) of proton in the light-front quark-diquark model (LFQDM) have been investigated. We have derived the overlap form of the light-front wave functions (LFWFs) for
Shubham Sharma +2 more
doaj +1 more source
An alternative approach to the $\sigma$-meson-exchange in nucleon-nucleon interaction [PDF]
, 2007 Through a quantitative comparative study of the properties of deuteron and nucleon-nucleon interaction with chiral quark model and quark delocalization color screening model.
Fan Wang +5 more
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Nonperturbative partonic quasidistributions of the pion from chiral quark models
Physics Letters B, 2017 We evaluate nonperturbatively the quark quasidistribution amplitude and the valence quark quasidistribution function of the pion in the framework of chiral quark models, namely the Nambu–Jona-Lasinio model and the Spectral Quark Model.
Wojciech Broniowski +1 more
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Quark matter and quark stars at finite temperature in Nambu–Jona-Lasinio model
European Physical Journal C: Particles and Fields, 2017 We extend the SU(3) Nambu–Jona-Lasinio (NJL) model to include two types of vector interaction. Using these two types of vector interaction in NJL model, we study the quark symmetry free energy in asymmetric quark matter, the constituent quark mass, the ...
Peng-Cheng Chu +6 more
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Light-front holographic ρ-meson distributions in the momentum space
Journal of High Energy Physics, 2021 We present the leading-twist quark transverse momentum-dependent parton distribution functions (TMDs) for the spin-1 target, such as the ρ-meson, in the light-front framework.
Satvir Kaur +2 more
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Measurements of the Production, Decay and Properties of the Top Quark: A Review [PDF]
, 2012 With the full Tevatron Run II and early LHC data samples, the opportunity for furthering our understanding of the properties of the top quark has never been more promising.
A. Abulencia +117 more
core +2 more sources
RELATIVISTIC QUARK MODELS [PDF]
, 2001 The application of relativistic constituent quark models to the evaluation of the electromagnetic properties of the nucleon and its resonances is addressed. The role of the pair creation process in the Feynmann triangle diagram is discussed and the importance both of choosing the light-front formalism and of using a Breit frame where the plus component
openaire +2 more sources
Global aspects of the scalar meson puzzle [PDF]
, 2009 A generalized linear sigma model for low energy QCD is employed to study the quark structure of eight low lying scalar isomultiplets as well as eight low lying pseudoscalar isomultiplets.
Fariborz, Amir H. +2 more
core +3 more sources
Thermoelectric transport coefficients of quark matter
European Physical Journal C: Particles and Fields, 2022 A thermal gradient and/or a chemical potential gradient in a conducting medium can lead to an electric field, an effect known as thermoelectric effect or Seebeck effect.
Aman Abhisek +3 more
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