171 citations · 1.8k across the 51 of their papers we have counts for
36 papers · 1 filter
Relations between three-particle interactions in nuclear matter to observable quantities
Wolfgang Bentz, Ian C. Cloët
In the first part of this paper, we use the framework of the Fermi liquid theory to derive model-independent relations between the slope parameters of the symmetry energy and of th…
Effects of quark core sizes of baryons in neutron star matter
Wolfgang Bentz, Ian C. Cloët
We describe the quark substructure of hadrons and the equation of state of high density neutron star matter by using the NambuJona-Lasinio (NJL) model, which is an effective qua…
Composite octet baryons in a relativistic mean field description of nuclear and neutron star matter
Kaito Noro, Wolfgang Bentz, Ian C. Cloët +1
We examine the properties of composite octet baryons in the nuclear medium and neutron star matter. The internal quark-diquark structure of the octet baryons and the equations of s…
Slope parameter of the symmetry energy and the structure of three-particle interactions in nuclear matter
Wolfgang Bentz, Ian C. Cloët
In the first part of this paper, we present a study of the symmetry energy () and its slope parameter () for nuclear matter in the framework of the Fermi liquid theory of L…
Skewness of nuclear matter and three-particle correlations
Wolfgang Bentz, Ian C. Cloet
We present a study of the skewness of nuclear matter, which is proportional to the third derivative of the energy per nucleon with respect to the baryon density at the saturation p…
Massive Neutron Stars with a Color Superconducting Quark Matter Core
Takehiro Tanimoto, Wolfgang Bentz, Ian C. Cloët
We construct the equation of state for high density neutron star matter at zero temperature using the two-flavor Nambu--Jona-Lasinio (NJL) model as an effective theory of QCD. We b…
Effects of charge symmetry breaking on form factors of the pion and kaon
Parada T. P. Hutauruk, Wolfgang Bentz, Ian C. Cloët +1
Effects of charge symmetry breaking associated with the and quark mass difference in the elastic form factors of the pion and kaon are presented. We use a confining version…
Charge Symmetry Breaking Effects in Pion and Kaon Structure
Parada T. P. Hutauruk, Wolfgang Bentz, Ian C. Cloët +1
Charge symmetry breaking (CSB) effects associated with the and quark mass difference are investigated in the quark distribution functions and spacelike electromagnetic form…
TMDs of Spin-one Targets: Formalism and Covariant Calculations
Yu Ninomiya, Wolfgang Bentz, Ian C. Cloët
We present a covariant formulation and model calculations of transverse momentum-dependent quark distribution functions (TMDs) for spin-one hadrons. Emphasis is placed on a descrip…
Baryon Octet Electromagnetic Form Factors in a confining NJL model
Manuel E. Carrillo-Serrano, Wolfgang Bentz, Ian C. Cloët +1
Electromagnetic form factors of the baryon octet are studied using a Nambu--Jona-Lasinio model which utilizes the proper-time regularization scheme to simulate aspects of colour co…
Quark-Jet model for transverse momentum dependent fragmentation functions
W. Bentz, A. Kotzinian, H. H. Matevosyan +3
In order to describe the hadronization of polarized quarks, we discuss an extension of the quark-jet model to transverse momentum dependent fragmentation functions. The description…
Relativistic and Nuclear Medium Effects on the Coulomb Sum Rule
Ian C. Cloët, Wolfgang Bentz, Anthony W. Thomas
In light of the forthcoming high precision quasielastic electron scattering data from Jefferson Lab, it is timely for the various approaches to nuclear structure to make robust pre…
Rho meson form factors in a confining Nambu--Jona-Lasinio model
Manuel E. Carrillo-Serrano, Wolfgang Bentz, Ian C. Cloët +1
Elastic electromagnetic form factors for the meson are calculated in a Nambu--Jona-Lasinio model which incorporates quark confinement through the use of the proper-time regul…
Dressed Quark Mass Dependence of Pion and Kaon Form Factors
Y. Ninomiya, W. Bentz, I. C. Cloët
The structure of hadrons is described well by the Nambu--Jona-Lasinio (NJL) model, which is a chiral effective quark theory of QCD. In this work we explore the electromagnetic stru…
Role of diquark correlations and the pion cloud in nucleon elastic form factors
Ian C. Cloët, Wolfgang Bentz, Anthony W. Thomas
Electromagnetic form factors of the nucleon in the space-like region are investigated within the framework of a covariant and confining Nambu-Jona-Lasinio model. The bound state am…
Parity-violating DIS and the flavour dependence of the EMC effect
I. C. Cloët, W. Bentz, A. W. Thomas
Isospin-dependent nuclear forces play a fundamental role in nuclear structure. In relativistic models of nuclear structure constructed at the quark level these isovector nuclear fo…
Rotational states in deformed nuclei: An analytic approach
W. Bentz, A. Arima, J. Enders +2
The consequences of the spontaneous breaking of rotational symmetry are investigated in a field theory model for deformed nuclei, based on simple separable interactions. The crucia…
Kaon fragmentation function from NJL-jet model
Hrayr H. Matevosyan, Anthony W. Thomas, Wolfgang Bentz
The NJL-jet model provides a sound framework for calculating the fragmentation func- tions in an effective chiral quark theory, where the momentum and isospin sum rules are satisfi…
Reassessment of the NuTeV determination of the Weinberg angle
W. Bentz, I. C. Cloet, J. T. Londergan +1
In light of the recent discovery of the importance of the isovector EMC effect for the interpretation of the NuTeV determination of sin^2 theta_W, it seems timely to reassess the c…
The NJL-jet model for quark fragmentation functions
T. Ito, W. Bentz, I. C. Cloët +2
A description of fragmentation functions which satisfy the momentum and isospin sum rules is presented in an effective quark theory. Concentrating on the pion fragmentation functio…
Isovector EMC effect explains the NuTeV anomaly
I. C. Cloët, W. Bentz, A. W. Thomas
A neutron or proton excess in nuclei leads to an isovector-vector mean-field which, through its coupling to the quarks in a bound nucleon, implies a shift in the quark distribution…
Polarized structure functions of nucleons and nuclei
W. Bentz, I. C. Cloët, T. Ito +2
We determine the quark distributions and structure functions for both unpolarized and polarized DIS of leptons on nucleons and nuclei. The scalar and vector mean fields in the nucl…
Spin dependent parton distributions and structure functions
W. Bentz, I. C. Cloët, T. Ito +2
Nuclear parton distributions and structure functions are determined in an effective chiral quark theory. We also discuss an extension of our model to fragmentation functions.
EMC and Polarized EMC Effects in Nuclei
I. C. Cloet, W. Bentz, A. W. Thomas
We determine nuclear structure functions and quark distributions for Li, B, N and Al. For the nucleon bound state we solve the covariant quark-diquark equa…