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Rich structure of the hidden-charm pentaquarks near threshold regions
Alessandro Giachino, Atsushi Hosaka, Elena Santopinto +3
The recent abundant observations of pentaquarks and tetraquarks by high-energy accelerator facilities indicate the realization of the conjecture by Gell-Mann and Zweig, and by De R…
Open charm and bottom meson-nucleon potentials à la nuclear force
Yasuhiro Yamaguchi, Shigehiro Yasui, Atsushi Hosaka
We discuss the interaction of an open heavy meson ( and for charm or and for bottom) and a nucleon () by considering the , , ,…
Decay properties of in the holographic QCD
Akihiro Iwanaka, Daisuke Fujii, Atsushi Hosaka
We study one pion emission decay of the first excited state of the nucleon with negative parity in the holographic model of QCD. The excited state is described…
Low-lying doubly heavy baryons: Regge relation and mass scaling
YongXin Song, Duojie Jia, WenXuan Zhang +1
In framework of heavy-diquarklight-quark endowed with heavy-pair binding, we explore excited baryons containing two heavy quarks () by combi…
Substructure of Multiquark Hadrons (Snowmass 2021 White Paper)
Nora Brambilla, Hua-Xing Chen, Angelo Esposito +27
In recent years there has been a rapidly growing body of experimental evidence for existence of exotic, multiquark hadrons, i.e. mesons which contain additional quarks, beyond the…
Electromagnetic transition amplitude for Roper resonance from holographic QCD
Daisuke Fujii, Akihiro Iwanaka, Atsushi Hosaka
The Roper resonance, the first excited state of the nucleon, Is one of the best-established baryon resonances. Yet, its properties have not been consistently explained by effective…