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10 papers · 1 filter
Hyperfine Anomaly of Be Isotopes and Anomalous Large Anomaly in Be
Takehisa Fujita, Kaori Ito, Toshio Suzuki
A new result of investigations of the hyperfine structure (hfs) anomaly in Be isotopes is presented. The hfs constant for Be is obtained by using the core plus neutron type…
The Peculiar Type Ic Supernova 1997ef: Another Hypernova
K. Iwamoto, T. Nakamura, K. Nomoto +7
SN 1997ef has been recognized as a peculiar supernova from its light curve and spectral properties. The object was classified as a Type Ic supernova (SN Ic) because its spectra are…
g-factor of a tightly bound electron
Tomoko Asaga, Takehisa Fujita, Makoto Hiramoto
We study the hyperfine splitting of an electron in hydrogen-like . It is found that the hfs energy splitting can be explained well by considering the g-factor red…
Three loop renormalization group for a marginally perturbed SU(2) WZW model
Chigak Itoi
Employing a simple calculation method obtained by M.-H. Kato, we calculate the three loop renormalization group in the coset conformal field theory with a slightly relevant…
Relation between Scattering and Production Amplitudes - concerning sigma Particle in pi pi System -
Muneyuki Ishida, Shin Ishida, Taku Ishida
In a series of previous papers the present authors and collaborators have shown strong evidence for existence of the long-sought sigma-particle by analyzing the pi pi-scattering an…
Widths of Isobaric Analog Resonances: a microscopic approach
G. Colo`, H. Sagawa, N. Van Giai +2
A self-consistent particle-phonon coupling model is used to investigate the properties of the isobaric analog resonance in Bi. It is shown that quantitative agreement with…