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photoprodution with coupled-channel effects
Hui-Young Ryu, Alexander I. Titov, Atsushi Hosaka +1
We study phi photoproduction with various hadronic rescattering contributions included, in addition to the Pomeron and pseudoscalar meson-exchange diagrams. We find that the hadron…
K*Sigma photoproduction off the proton target with baryon resonances
Sang-Ho Kim, Seung-il Nam, Atsushi Hosaka +1
We investigate the photoproduction of K*0Sigma+ and K*+Sigma0 off the proton target, employing the effective Lagrangian approach at the tree-level Born approximation. In addition t…
Decays and productions via bottomonium for Z_b resonances and other B anti-B molecules
Shunsuke Ohkoda, Yasuhiro Yamaguchi, Shigehiro Yasui +1
We discuss decays and productions for the possible molecular states formed by bottom mesons B (B*) and anti-B (anti-B*). The twin resonances found by Belle, Zb(10610) and Zb(10650)…
Contribution of N* and Delta* resonances in K* Sigma(1190) photoproduction
Sang-Ho Kim, Seung-il Nam, Atsushi Hosaka +1
In this talk, we report theoretical studies on the K*0 Sigma+(1190) photoproduction in the tree-level Born approximation, employing the effective Lagrangian method. We present the…
Exotic baryons from a heavy meson and a nucleon
Yasuhiro Yamaguchi, Shunsuke Ohkoda, Shigehiro Yasui +1
We evaluate a hadronic molecule formed by a heavy meson and a nucleon respecting heavy quark symmetry. The tensor force of pion exchange potential plays a dominate role to produce…
Thermodynamics of Quantum Ultra-cold Neutron Gas under Gravity of The Earth
Hiromi Kaneko, Akihiro Tohsaki, Atsushi Hosaka
The stored ultra-cold neutrons have been developed. A high density ultra-cold neutron gas has been recently produced by using the nuclear spallation method. We investigate the ther…