Conveners
Parallel Session II (2)：Hadron and Flavor Physics
- Ju-Jun 谢 (IMP@CAS)
Ruiting Ma
(University of Chinese Academy of Sciences (UCAS))
09/08/2022, 16:10
强子物理与味物理
Oral report
The discoveries of meson-like exotic states have been attracting huge interest from the hadron physics community. A doubly charged tetraquark, T_csbar^a(2900)^++, and its neutral partner, T_csbar^a(2900)^0, are observed in the combined anplitude analysis of B+ -> D- Ds+ pi+ and B0 -> D0bar Ds+ pi- decays, based on the totally 9 fb^-1 pp collision datasets collected by LHCb Collaboration. They...
Dr
Bo Wang
(Hebei University)
09/08/2022, 16:30
强子物理与味物理
Oral report
We generalize the framework of chiral effective field theory to
study the interactions of the isovector $D^\ast\bar{D}^{(\ast)}$ and
$B^\ast\bar{B}^{(\ast)}$ systems up to the next-to-leading order, in
which the long-, mid-, and short-range force contributions as well
as the $S$-$D$ wave mixing are incorporated. Based on the
Lippmann-Schwinger equation, we fit the invariant mass...
Dr
Kan Chen
(Peking University)
09/08/2022, 16:50
强子物理与味物理
Oral report
We proposed a unified framework to describe the interactions of the
observed $T_{cc}$, $P_c$, and $P_{cs}$ within a quark level
interaction. We predict the possible $D^{(*)}_{(s)}D^{(*)}_{(s)}$ molecular states in the SU(3) limit with the masses of the $P_c$ states as the inputs. We also investigate the
baryon-meson and baryon-baryon systems. We suggest that for a specific heavy...
剑波 程
(Peking University)
09/08/2022, 17:05
强子物理与味物理
Oral report
We investigate the $T_{cc}^{+}$ as a $DD^{*}$ molecule with $J^{P}=1^{+}$ in the framework of the one-boson-exchange potential model. The isospin breaking effect and $S-D$ wave coupling are taken into account carefully. We adopt the complex scaling method to study the $DD^{*}$ system and obtain a quasibound state corresponding to the $T_{cc}^{+}$.
Summary: The binding energy of $DD^*$...
Dr
Jun Jiang
(Shandong University)
09/08/2022, 17:20
强子物理与味物理
Oral report
The double-charm tetraquark meson $T_{cc}^+(3875)$ can be produced in high-energy proton-proton collisions by the creation of the charm mesons $D^{*+} D^0$ at short distances followed by their binding into $T_{cc}^+$. The $T_{cc}^+$ can also be produced by the creation of $D^{*+} D^{*+}$ at short distances followed by their rescattering into $T_{cc}^+ π^+$. A charm-meson triangle...
伟 何
(L)
09/08/2022, 17:35
强子物理与味物理
Oral report
In this work, we construct the Lagrangian describing meson-diquark interaction, such that the diquark-anti-diquark component as well as the molecular component is introduced when studying the $Z_{cs}$ states. In this way, the problem is solved that if only considering the $\bar{D}^{(*)}D_s^{(*)}$ components, the potentials are suppressed by OZI rule. Through solving the Bethe-Salpeter...
