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15 papers · 2 filters
Chiral effective theory of diquarks and the U_A(1) anomaly
Masayasu Harada, Yan-Rui Liu, Makoto Oka +1
The diquark is a strongly correlated quark pair that plays an important role in hadrons and hadronic matter. In order to treat the diquak as a building block of hadrons, we formula…
Feasibility study of the reaction for the "" pentaquark
Takayasu Sekihara, Hyun-Chul Kim, Atsushi Hosaka
We investigate theoretically the invariant mass spectrum of the reaction and scrutinize how the signal of the "" pentaquark, if it exists,…
Operatorial characterization of Majorana neutrinos
Kazuo Fujikawa
The Majorana neutrino when constructed as a superposition of chiral fermions such as is characterized by $ ({\cal C}{\cal P}) ψ_{M}(x)({\…
Dark matter scattering cross section and dynamics in dark Yang-Mills theory
Nodoka Yamanaka, Hideaki Iida, Atsushi Nakamura +1
We calculate for the first time the scattering cross section between lightest glueballs in pure Yang-Mills theory, which are good candidates of dark matter. In the first st…
Heavy hadronic molecules with pion exchange and quark core couplings: a guide for practitioners
Yasuhiro Yamaguchi, Atsushi Hosaka, Sachiko Takeuchi +1
We discuss selected and important features of hadronic molecules as one of promising forms of exotic hadrons near thresholds. Using examples of systems such as $X(3872…
Perturbative static quark potential in Maximal Abelian gauge
Matthias Berwein, Yukinari Sumino
We calculate the static quark potential for an SU(N) gauge theory in the Maximal Abelian gauge as well as its Abelian projection up to two loops in perturbation theory. We discuss…