38 citations · 121 across the 10 of their papers we have counts for
11 papers
Exotic Quark Structure of Lambda(1405) in QCD Sum Rule
T. Nakamura, J. Sugiyama, N. Ishii +2
A new analysis is performed in QCD sum rule for the lightest negative parity baryon Lambda (1405). Mixings of three-quark and five-quark Fock components are taken into account. Ter…
Tetra-Quark Resonances in Lattice QCD
Hideo Suganuma, Kyosuke Tsumura, Noriyoshi Ishii +1
We study -type four-quark (4Q) systems in SU(3) anisotropic quenched lattice QCD, using the -improved Wilson (clover) fermion at on $12^3 \time…
Mixings of 4-quark components in light non-singlet scalar mesons in QCD sum rules
J. Sugiyama, T. Nakamura, N. Ishii +2
Mixings of 4-quark components in the non-singlet scalar mesons are studied in the QCD sum rules. We propose a formulation to evaluate the cross correlators of q\bar q and qq\bar q…
Five-quark picture of Lambda(1405) in anisotropic lattice QCD
Noriyoshi Ishii, Takumi Doi, Makoto Oka +1
Five-quark (5Q) picture of Lambda(1405) is studied using quenched lattice QCD with an exotic 5Q operator of N\bar{K} type. To discreminate mere N\bar{K} and Σπscattering states, Hy…
Thermodynamics of two-flavor lattice QCD with an improved Wilson quark action at non-zero temperature and density
Y. Maezawa, S. Aoki, S. Ejiri +4
We report the current status of our systematic studies of the QCD thermodynamics by lattice QCD simulations with two flavors of improved Wilson quarks. We evaluate the critical tem…
J/Ψat high temperatures in anisotropic lattice QCD
Hideaki Iida, Takumi Doi, Noriyoshi Ishii +1
J/Ψand η_c above the QCD critical temperature T_c are studied in anisotropic quenched lattice QCD, considering whether the c\bar c systems above T_c are compact quasi-bound states…