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133 papers · 1 filter
Properties of Thermal Glueballs
Noriyoshi Ishii, Hideo Suganuma
We study the properties of the 0++ glueball at finite temperature using SU(3) quenched lattice QCD. We find a significant thermal effects near T_c. We perform the χ^2 fit analyses…
Clustering in stable and unstable nuclei in -shell and -shell regions
Y. Kanada-En'yo, M. Kimura, H. Horiuchi
According to microscopic calculations with antisymmetrized molecular dynamics, we studied cluster features in stable and unstable nuclei. A variety of structure was found in stable…
Radioactivity of the Key Isotope 44Ti in SN 1987A
Yuko Motizuki, Shiomi Kumagai
We investigate radioactivity from the decay sequence of 44Ti in a young supernova remnant SN 1987A. We perform Monte-Carlo simulations of degradation of the nuclear lines to explai…
Quark distributions in nuclear matter and the EMC effect
H. Mineo, W. Bentz, N. Ishii +2
Quark light cone momentum distributions in nuclear matter and the structure function of a bound nucleon are investigated in the framework of the Nambu-Jona-Lasinio model. This fram…
Determination of polarized parton distribution functions and their uncertainties
M. Hirai, S. Kumano, N. Saito
We investigate the polarized parton distribution functions (PDFs) and their uncertainties by using the world data on the spin asymmetry A_1. The uncertainties of the polarized PDFs…
Evidence From HETE-2 For GRB Evolution With Redshift
C. Graziani, D. Q. Lamb, T. Sakamoto +3
After taking into account threshold effects, we find that the isotropic-equivalent energies E_iso and luminosities L_iso of gamma-ray bursts (GRBs) are correlated with redshift at…