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Critical review of deeply bound kaonic nuclear states
V. K. Magas, E. Oset, A. Ramos +1
We critically revise the recent claims of narrow deeply bound kaonic states and show that at present there is no convincing experimental evidence for their existence. In particular…
A critical analysis on deeply bound kaonic states in nuclei and the KEK experiment
E. Oset, H. Toki
We critically discuss the theoretical developments that led to predictions of very deeply bound kaon states and then revise the data of the KEK experiment from where claims for evi…
Recent developments in chiral dynamics of hadrons and hadrons in a nuclear medium
E. Oset, S. Sarkar, M. J. Vicente Vacas +5
In this talk I present recent developments in chiral dynamics of hadrons and hadrons in a medium addressing the following points: interaction of the octet of pseudoscalar mesons wi…
Study of the effect of the tensor correlation in oxygen isotopes with the charge- and parity-projected Hartree-Fock method
Satoru Sugimoto, Kiyomi Ikeda, Hiroshi Toki
Recently, we developed a mean-field-type framework which treats the correlation induced by the tensor force. To exploit the tensor correlation we introduce single-particle states w…
Tensor correlation in 4He with the tensor-optimized shell model
Takayuki Myo, Satoru Sugimoto, Kiyoshi Kato +2
We study the characteristics of the tensor correlation in He using a shell model type method. We treat the tensor force explicitly by performing a configuration-mixing calculat…
Coleman-Weinberg mechanism for spontaneous chiral symmetry breaking in the massless chiral sigma model
Setsuo Tamenaga, Hiroshi Toki, Akihiro Haga +1
We study the effect of one-loop corrections from nucleon together with those from boson in the massless chiral sigma model, where we perform the Coleman-Weinberg renormalization pr…