Chiral perturbation theory for heavy hadrons and chiral effective field theory for heavy hadronic molecules

L Meng, B Wang, GJ Wang, SL Zhu - Physics Reports, 2023 - Elsevier
Chiral symmetry and its spontaneous breaking play an important role both in the light
hadron and heavy hadron systems. The chiral perturbation theory (χ PT) is the low energy …

Towards a theory of hadron resonances

M Mai, UG Meißner, C Urbach - Physics Reports, 2023 - Elsevier
In this review, we present the current state of the art of our understanding of the spectrum of
excited strongly interacting particles and discuss methods that allow for a systematic and …

First observation of a doubly charged tetraquark and its neutral partner

R Aaij, ASW Abdelmotteleb, C Abellan Beteta… - Physical review …, 2023 - APS
A combined amplitude analysis is performed for the decays B 0→ D¯ D 0 s+ π-and B+→ DD
s+ π+, which are related by isospin symmetry. The analysis is based on data collected by the …

Role of Left-Hand Cut Contributions on Pole Extractions from Lattice Data: Case Study for

ML Du, A Filin, V Baru, XK Dong, E Epelbaum… - Physical Review Letters, 2023 - APS
We discuss recent lattice data for the T cc (3875)+ state to stress, for the first time, a
potentially strong impact of left-hand cuts from the one-pion exchange on the pole extraction …

Amplitude analysis of and decays

R Aaij, ASW Abdelmotteleb, C Abellan Beteta… - Physical Review D, 2023 - APS
Resonant contributions in B 0→ D¯ D 0 s+ π-and B+→ DD s+ π+ decays are determined
with an amplitude analysis, which is performed both separately and simultaneously, where …

Shallow Bound States and Hints for Broad Resonances with Quark Content in and Scattering from Lattice QCD

C Alexandrou, J Finkenrath, T Leontiou, S Meinel… - Physical Review Letters, 2024 - APS
We present the first determination of the energy dependence of the BD¯ and B*-D¯ isospin-
0, S-wave scattering amplitudes both below and above the thresholds using lattice QCD …

[HTML][HTML] The present and future of QCD

P Achenbach, D Adhikari, A Afanasev, F Afzal… - Nuclear Physics A, 2024 - Elsevier
Abstract This White Paper presents an overview of the current status and future perspective
of QCD research, based on the community inputs and scientific conclusions from the 2022 …

STCF conceptual design report (Volume 1): Physics & detector

M Achasov, XC Ai, LP An, R Aliberti, Q An, XZ Bai… - Frontiers of …, 2024 - Springer
The super τ-charm facility (STCF) is an electron–positron collider proposed by the Chinese
particle physics community. It is designed to operate in a center-of-mass energy range from …

Observation of a Vector Charmoniumlike State at and Search for in

M Ablikim, MN Achasov, P Adlarson, O Afedulidis… - Physical Review Letters, 2023 - APS
Using data samples with an integrated luminosity of 5.85 fb-1 collected at center-of-mass
energies from 4.61 to 4.95 GeV with the BESIII detector operating at the BEPCII storage ring …

[HTML][HTML] Emergence of molecular-type characteristic spectrum of hidden-charm pentaquark with strangeness embodied in the PψsΛ (4338) and Pcs (4459)

FL Wang, X Liu - Physics Letters B, 2022 - Elsevier
Inspired by the newly observed P ψ s Λ (4338) and the reported P cs (4459), we indicate the
existence of the molecular-type characteristic mass spectrum for hidden-charm pentaquark …