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6 papers · 1 filter
Non-radial oscillations of hadronic neutron stars, quark stars, and hybrid stars : Calculation of , , and mode frequencies
Atanu Guha, Debashree Sen, Chang Ho Hyun
The composition and equation of state (EoS) of dense matter relevant to compact stars are quite inconclusive. However, certain observational constraints on the structural propertie…
Parton Distribution Functions for Pseudoscalar Mesons in the COnfining Effective Chiral Quark Theory
Parada T. P. Hutauruk, Seung-il Nam
This review paper presents the gluon, sea, and valence quark distributions of the pseudoscalar (PS) mesons. The calculations of the parton structure of PS mesons are performed usin…
In-medium properties of the light and heavy-light mesons in a light-front quark model
Ahmad Jafar Arifi, Parada. T. P. Hutauruk, Kazuo Tsushima
We investigate the in-medium properties of pseudoscalar and vector mesons with the light-light and heavy-light quarks in a light-front quark model, using the in-medium quark proper…
Impact of Charge Symmetry Breaking on Gluon and Sea Quark Distributions in the Pion and Kaon
Parada T. P. Hutauruk
In this exploratory study, I present, for the first time, the implications of the charge symmetry breaking (CSB) that arise from the and quark mass differences on gluon and…
Parity-violating coupling constant from the flavor-conserving effective weak chiral Lagrangian
Chang Ho Hyun, Hyun-Chul Kim, Hee-Jung Lee
We investigate the parity-violating pion-nucleon-nucleon coupling constant , based on the chiral quark-soliton model. We employ an effective weak Hamiltonian that takes…
Parity-violating coupling constant in the chiral quark-soliton model
Hee-Jung Lee, Chang Ho Hyun, Hyun-Chul Kim
We investigate the parity-violating Yukawa coupling constant within the framework of the SU(2) chiral quark-soliton model, based on the effective weak Lagr…