Hanqing Zheng

activity

19932026

most citedThe pole structure of the unitary, crossing symmetric low energy

π π

scattering amplitudes

71 citations · 335 across the 30 of their papers we have counts for

collaborators

Showing 2023Show all

3 papers · 1 filter

hep-ph2023

A discussion on the anomalous threshold enhancement of $J / ψ$ -- $ψ (3770)$ couplings and $X (6900)$ peak

Ye Lu, Chang Chen, Guang-you Qin +1

The attractive interaction between $J / ψ$ and $ψ (3770)$ has to be strong enough to form the molecular resonant structure, i.e., $X (6900)$ . We argue that since $ψ (3770)$ decays predo…

hep-ph2023★ 1 cited

Some remarks on compositeness of $T_{cc}^{+}$

Chang Chen, Ce Meng, Zhiguang Xiao +1

Recently LHCb experimental group find an exotic state $T_{cc}^{+}$ from the process $p p ˉ \to D^{0} D^{0} π^{+} + X$ . A key question is if it is just a molecule or may have confined tetr…

hep-ph2023★ 1 cited

Roy equation analyses of $π π$ scatterings at unphysical pion masses

Xiong-Hui Cao, Qu-Zhi Li, Zhi-Hui Guo +1

An extended Roy equation including a bound state pole is used to study $π π$ scatterings at unphysical large pion masses when $σ$ becomes a bound state in one situation and stays as…

A discussion on the anomalous threshold enhancement of J/ψ -- ψ(3770) couplings and X(6900) peak

Some remarks on compositeness of Tcc+​

Roy equation analyses of ππ scatterings at unphysical pion masses

A discussion on the anomalous threshold enhancement of $J / ψ$ -- $ψ (3770)$ couplings and $X (6900)$ peak

Some remarks on compositeness of $T_{cc}^{+}$

Roy equation analyses of $π π$ scatterings at unphysical pion masses