no code implementations • 4 Jan 2021 • Xiang-Kun Dong, Feng-Kun Guo, Bing-Song Zou
To give an overall feature of the spectrum of hadronic molecules composed of a pair of heavy-antiheavy hadrons, namely, which pairs are possible to form molecular states, we take charmed hadrons for example to investigate the interaction between them and search for poles by solving the Bethe-Salpeter equation.
High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Lattice Nuclear Theory
no code implementations • 15 Dec 2020 • Zhen-Hua Zhang, Feng-Kun Guo
We propose a new object, the $X$ atom, which is the $D^\pm D^{*\mp}$ composite system with positive charge parity and a mass of $(3879. 89\pm0. 07)$ MeV, formed mainly due to the Coulomb force.
High Energy Physics - Phenomenology High Energy Physics - Experiment Nuclear Experiment Nuclear Theory
no code implementations • 8 Dec 2020 • Meng-Lin Du, Feng-Kun Guo, Christoph Hanhart, Bastian Kubis, Ulf-G. Meißner
The lightest charmed scalar meson is known as the $D_0^*(2300)$, which is one of the earliest new hadron resonances observed at modern $B$ factories.
High Energy Physics - Phenomenology High Energy Physics - Experiment
1 code implementation • 16 Sep 2020 • Xiang-Kun Dong, Vadim Baru, Feng-Kun Guo, Christoph Hanhart, Alexey Nefediev
We suggest experimental tests to check the existence of this state and discuss what additional channels need to be studied experimentally to allow for distinctive tests between the two mechanisms proposed.
High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Lattice Nuclear Theory
no code implementations • 5 May 2020 • Hao-Jie Jing, Chao-Wei Shen, Feng-Kun Guo
In quantum field theory, the phase space integration is an essential part in all theoretical calculations of cross sections and decay widths.
High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Theory Nuclear Experiment Nuclear Theory
