We evaluate discovery prospects for photophobic axion-like particles (ALPs) in the $\textit{WWjj}$ final state at the High-Luminosity LHC (HL-LHC; $\sqrt{s}=14\ {\rm{TeV}}$ , ${\cal{L}}=3\ {\rm{ab}}^{-1}$ ). In the photophobic limit ( $g_{a\gamma\gamma}=0$ ), ALPs couple to electroweak gauge bosons and are produced in association with two jets ( $ pp\to jj\ a $ ) via both $\textit{s}$-channel electroweak exchange and vector boson fusion (VBF)–like topologies, followed by $a\to W^+W^-$ decay. We target the different-flavour dilepton mode $W^+W^- \to e^\pm\mu^\mp\nu \bar{\nu}$ with two jets and moderate missing transverse momentum. The analysis employs a two-step strategy: initial preselection that defines the signal-like final state, followed by a multivariate analysis (MVA) trained on dijet and dileptonic-$\textit{WW}$ kinematics from both the $\textit{s}$-channel and VBF-like production mechanisms to separate signal from background; the MVA threshold is optimized independently at each $m_a$ . We present 2$\textit{σ}$ and 5$\textit{σ}$ discovery sensitivities for the ALP–$\textit{W}$ coupling $g_{aWW}$ across the 170–4000 GeV mass range. For $260\ {\rm{GeV}}\le m_a\le1500\ {\rm{GeV}}$ , the 2$\textit{σ}$ (5$\textit{σ}$) sensitivity is approximately flat around $ 0.61(0.76)\ {\rm{TeV}}^{-1}$ . At large masses/couplings, the mapping between an experimental rate and a single EFT parameter $g_{aWW}$ can become UV sensitive, and we treat the extreme high-mass/high-coupling corner as an extrapolation; therefore, we also report model-independent discovery thresholds for the fiducial quantity $ \sigma(pp\to jj\ a)\times\rm{Br}(a\to W^+W^-) $ over the same mass range to enable reinterpretation for other models. These results indicate that the $WWjj$ topology offers competitive and complementary sensitivity to heavy photophobic ALPs at the HL-LHC.

China

Jiaojiao Feng

Ying-nan Mao

Kechen Wang

Discovery prospects for photophobic axion-like particles in the $\textit{WWjj}$ final state at the High-Luminosity LHC * Jiaojiao Feng and Kechen Wang are supported by the National Natural Science Foundation of China (11905162), the Excellent Young Talents Program of the Wuhan University of Technology (40122102, 40122103) and the research program of the Wuhan University of Technology (2020IB024, 104972025KFYjc0101). Ying-nan Mao is supported by the National Natural Science Foundation of China (12205227). The simulation and analysis work of this article was completed with the computational cluster provided by the Theoretical Physics Group at the Department of Physics, School of Physics and Mechanics, Wuhan University of Technology

Motivated by the discrepancies noted recently between the theoretical predictions of the electromagnetic <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>J</mi><mo>/</mo><mi>ψ</mi><mo stretchy="false">→</mo><msup><mi>π</mi><mn>0</mn></msup><msup><mi>γ</mi><mo>*</mo></msup></math> transition form factor and the BESIII data, we reanalyze this transition form factor using the dispersive Khuri-Treiman equations, with final-state interactions in both the direct channel and the crossed channels properly considered. This improved framework incorporates <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>ρ</mi><mi>–</mi><mi>ω</mi></math> mixing effects. The effect of four-pion states is evaluated through a dispersively improved vector-meson-dominance model. From this information, we propose a two-parameter fit that provides an excellent description of the BESIII data over the broad energy range from 0 to 2.8 GeV. We demonstrate that the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>ρ</mi><msup><mi>π</mi><mn>0</mn></msup></math> decay mode of the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>J</mi><mo>/</mo><mi>ψ</mi></math> is dominated by strong interaction, while the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>ω</mi><msup><mi>π</mi><mn>0</mn></msup></math> mode is dominated by one-photon exchange. From this, we extract the relative phase between the strong and the one-virtual-photon (electromagnetic) modes in hadronic decays of <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>J</mi><mo>/</mo><mi>ψ</mi></math> as <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mo stretchy="false">(</mo><mn>62</mn><mo>±</mo><mn>21</mn><mo stretchy="false">)</mo><mo>°</mo></math>. This could provide useful information in understanding the long-standing <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>ρ</mi><mi>π</mi></math> puzzle in <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>J</mi><mo>/</mo><mi>ψ</mi></math> decays.

Xiong-Hui Cao

Feng-Kun Guo

Germany

Christoph Hanhart

Bastian Kubis

Dispersive analysis of the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>J</mi><mo>/</mo><mi>ψ</mi><mo stretchy="false">→</mo><msup><mi>π</mi><mn>0</mn></msup><msup><mi>γ</mi><mo>*</mo></msup></math> transition form factor with <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>ρ</mi><mo>–</mo><mi>ω</mi></math> mixing effects

We study the radiative decays <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><msub><mi>D</mi><mrow><mi>s</mi><mn>1</mn></mrow></msub><mo stretchy="false">(</mo><mn>2460</mn><mo stretchy="false">)</mo><mo stretchy="false">→</mo><mi>γ</mi><msubsup><mi>D</mi><mrow><mi>s</mi><mn>0</mn></mrow><mo>*</mo></msubsup><mo stretchy="false">(</mo><mn>2317</mn><mo stretchy="false">)</mo></math> and <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><msub><mi>D</mi><mrow><mi>s</mi><mn>1</mn></mrow></msub><mo stretchy="false">(</mo><mn>2460</mn><mo stretchy="false">)</mo><mo stretchy="false">→</mo><mi>γ</mi><msup><mi>D</mi><mn>0</mn></msup><msup><mi>K</mi><mo>+</mo></msup><mo>/</mo><mi>γ</mi><msup><mi>D</mi><mo>+</mo></msup><msup><mi>K</mi><mn>0</mn></msup></math> and argue them to constitute a paradigmatic case of reactions sensitive to the short-range component of the decaying meson wave function that can, in principle, be quantified in a model-independent way employing experimental data. We demonstrate how a simultaneous measurement of the above radiative decay widths, or at least a constraint on the ratio of the corresponding branching fractions, can allow one to probe the nature of the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><msubsup><mi>D</mi><mrow><mi>s</mi><mn>0</mn></mrow><mo>*</mo></msubsup><mo stretchy="false">(</mo><mn>2317</mn><mo stretchy="false">)</mo></math> and <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><msub><mi>D</mi><mrow><mi>s</mi><mn>1</mn></mrow></msub><mo stretchy="false">(</mo><mn>2460</mn><mo stretchy="false">)</mo></math> mesons.

Hai-Long Fu

Alexey Nefediev

What can we learn from the radiative decays of the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><msub><mi>D</mi><mrow><mi>s</mi><mn>1</mn></mrow></msub><mo stretchy="false">(</mo><mn>2460</mn><mo stretchy="false">)</mo></math> meson?

The <italic>f</italic> <inf>0</inf>(980) is a light scalar meson whose internal structure remains under debate and investigation. Assuming that the <italic>f</italic> <inf>0</inf>(980) is a <math altimg='si4.svg'><mrow><mi>K</mi><mover accent='true'><mi>K</mi><mo>&#175;</mo></mover></mrow></math> molecule that can only survive at the kinetic freeze-out of the evolving bulk matter, we implement the coalescence model to study its transverse momentum ( <italic>p<inf>T</inf></italic>) spectra and elliptic flow ( <italic>v</italic> <inf>2</inf>) in high-multiplicity p-Pb collisions at <math altimg='si5.svg'><mrow><msqrt><msub><mi>s</mi><mrow><mi>N</mi><mi>N</mi></mrow></msub></msqrt><mo linebreak='goodbreak'>=</mo><mn>5.02</mn></mrow></math> TeV. Using the well-tuned kaon phase-space distributions from the Hydro-Coal-Frag model, our <math altimg='si4.svg'><mrow><mi>K</mi><mover accent='true'><mi>K</mi><mo>&#175;</mo></mover></mrow></math> coalescence calculations with reasonable values for the <italic>f</italic> <inf>0</inf>(980) radius successfully reproduce the elliptic flow measured by CMS over the range 0&#8239;&lt;&#8239; <italic>p<inf>T</inf></italic>&#8239;&lt;&#8239;12 GeV and also agree with the <italic>p<inf>T</inf></italic>-spectra from ALICE. These results in heavy ion collisions are compatible with the <math altimg='si4.svg'><mrow><mi>K</mi><mover accent='true'><mi>K</mi><mo>&#175;</mo></mover></mrow></math> molecular picture of the <italic>f</italic> <inf>0</inf>(980) with effective root-mean-square (RMS) radius. We also find that the number-of-constituent scaling of <italic>v</italic> <inf>2</inf> for the <italic>f</italic> <inf>0</inf>(980) is violated in p-Pb collisions at the LHC because most <italic>f</italic> <inf>0</inf>(980) are produced from the coalescence of kaons that have different momenta. Our study demonstrates the necessity of realistic coalescence model calculations and also explains why the CMS interpretation of the <italic>f</italic> <inf>0</inf>(980) as an ordinary <math altimg='si6.svg'><mrow><mi>q</mi><mover accent='true'><mi>q</mi><mo>&#175;</mo></mover></mrow></math> meson is no longer valid by interpreting the measured <italic>v</italic> <inf>2</inf> with a simple scaling formula based on the assumption of equal momentum coalescence. The investigation also provides a novel way to explore the internal structure of light exotic hadrons that can be abundantly produced in relativistic heavy and/or light ion collisions.

Yili Wang

Wenbin Zhao

United States

Che Ming Ko

Ju-Jun Xie

Huichao Song

Probing the structure of <italic>f</italic> <inf>0</inf>(980) from the elliptic flow in p-Pb collisions at the LHC

We generalize chiral perturbation theory with spinless matter fields in the fundamental representation of SU($\textit{N}$) to curved spacetime in the presence of an external gravitational field. This work is motivated by recent interest in investigating energy-momentum tensor matrix elements of matter fields. The complete chiral Lagrangian is constructed, including both minimal extensions from flat spacetime and new curvature-induced terms, up to the next-to-next-to-leading order in the chiral expansion, $$ \mathcal{O}\left({p}^3\right) $$ . We perform a systematic one-loop renormalization of the generating functional using the background field method combined with the heat-kernel technique, and explicitly compute the resulting ultraviolet divergences.

Cheng-Cheng Li

Renormalization of chiral perturbation theory with spinless matter field in curved spacetime

In light of recent high-precision data taken by the BESIII Collaboration, we reconsider the dipion transition <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>ψ</mi><mo stretchy="false">(</mo><mn>3686</mn><mo stretchy="false">)</mo><mo stretchy="false">→</mo><mi>J</mi><mo>/</mo><mi>ψ</mi><msup><mi>π</mi><mo>+</mo></msup><msup><mi>π</mi><mo>−</mo></msup></math>. The strong pion-pion final-state interactions are taken into account model independently by using dispersion theory. We find that we can reproduce the substructure near the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><msup><mi>π</mi><mo>+</mo></msup><msup><mi>π</mi><mo>−</mo></msup></math> threshold observed experimentally without introducing an extra resonance state. While a helicity-flip amplitude plays an important role for the formation of the dip in the invariant-mass distribution, the virtual exchange of the charmoniumlike exotic <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><msub><mi>Z</mi><mi>c</mi></msub><mo stretchy="false">(</mo><mn>3900</mn><mo stretchy="false">)</mo></math> state improves the fit quality only slightly.

Yun-Hua Chen

Xiang-Kun Dong

Decoding the structure near the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><msup><mi>π</mi><mo>+</mo></msup><msup><mi>π</mi><mo>−</mo></msup></math> mass threshold in <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>ψ</mi><mo stretchy="false">(</mo><mn>3686</mn><mo stretchy="false">)</mo><mo stretchy="false">→</mo><mi>J</mi><mo>/</mo><mi>ψ</mi><msup><mi>π</mi><mo>+</mo></msup><msup><mi>π</mi><mo>−</mo></msup></math> decays

We propose a novel method to identify the two-pole structure of the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi mathvariant="normal">Λ</mi><mo stretchy="false">(</mo><mn>1405</mn><mo stretchy="false">)</mo></math>. The two poles owe their origin to different quark flavor irreducible representations in the meson-baryon coupled-channel interactions, thus they should be individually manifested in reactions that provide good flavor eigenstate sources. Hadronic decays of charmonia into <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mover accent="true"><mi mathvariant="normal">Λ</mi><mo stretchy="false">¯</mo></mover><mi mathvariant="normal">Σ</mi><mi>π</mi></math> and <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mover accent="true"><mi mathvariant="normal">Λ</mi><mo stretchy="false">¯</mo></mover><mo stretchy="false">(</mo><mn>1520</mn><mo stretchy="false">)</mo><mi mathvariant="normal">Σ</mi><mi>π</mi></math> are such reactions, and the flavor octet and singlet poles can be approximately singled out in these two decay modes. This SU(3) flavor filter works even considering the flavor symmetry breaking. With the huge charmonium data sets collected, it is therefore promising to solve the long-standing <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi mathvariant="normal">Λ</mi><mo stretchy="false">(</mo><mn>1405</mn><mo stretchy="false">)</mo></math> puzzle employing the proposed flavor filter.

Ying-Bo He

Xiao-Hai Liu

Li-Sheng Geng

Identifying the two-pole structure of the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mi mathvariant="normal">Λ</mi><mo stretchy="false">(</mo><mn>1405</mn><mo stretchy="false">)</mo></mrow></math> using an SU(3) flavor filter

The discoveries of the hidden-charm <italic>P<inf>c</inf></italic> pentaquarks by the LHCb Collaboration have been not confirmed by other experiments yet. It is desirable to investigate the feasibility of observing them in other experiments. We present an order-of-magnitude estimate of the cross section of the <math altimg='si1.svg'><mrow><msup><mi>e</mi><mo>+</mo></msup><msup><mi>e</mi><mo>&#8722;</mo></msup><mo>&#8594;</mo><mi>J</mi><mo linebreak='goodbreak'>/</mo><mi>&#968;</mi><mi>p</mi><mover accent='true'><mi>p</mi><mo>&#175;</mo></mover></mrow></math> process, where the hidden-charm pentaquarks may be searched for, and find it to be of <math altimg='si6.svg'><mrow><mi mathvariant='script'>O</mi><mo>(</mo><mn>4</mn><mspace width='0.33em' /><mtext>fb</mtext><mo>)</mo></mrow></math> when the <math altimg='si7.svg'><mrow><msup><mi>e</mi><mo>+</mo></msup><msup><mi>e</mi><mo>&#8722;</mo></msup></mrow></math> c.m. energy is about between 6 and 7 GeV. The cross section for <math altimg='si8.svg'><mrow><msup><mi>e</mi><mo>+</mo></msup><msup><mi>e</mi><mo>&#8722;</mo></msup><mo>&#8594;</mo><msub><mi>P</mi><mi>c</mi></msub><mover accent='true'><mi>p</mi><mo>&#175;</mo></mover></mrow></math> is then estimated to be <math altimg='si9.svg'><mrow><mo>&#8818;</mo><mi mathvariant='script'>O</mi><mo>(</mo><mn>0.1</mn><mspace width='0.33em' /><mtext>pb</mtext><mo>)</mo></mrow></math>. Thus, it is promising to search for <italic>P<inf>c</inf></italic> at the future high-luminosity super tau-charm facilities with annual integrated luminosity about 1 ab <math altimg='si10.svg'><msup><mrow /><mrow><mo>&#8722;</mo><mn>1</mn></mrow></msup></math>. We also predict the branching fraction of <math altimg='si11.svg'><mrow><mstyle mathvariant='normal'><mi>&#933;</mi></mstyle><mo>&#8594;</mo><mi>J</mi><mo linebreak='goodbreak'>/</mo><mi>&#968;</mi><mi>p</mi><mover accent='true'><mi>p</mi><mo>&#175;</mo></mover></mrow></math> to be of <math altimg='si12.svg'><mrow><mi mathvariant='script'>O</mi><mo>(</mo><mn>2</mn><mo linebreak='goodbreak'>&#215;</mo><msup><mn>10</mn><mrow><mo>&#8722;</mo><mn>6</mn></mrow></msup><mo>)</mo></mrow></math>, which can be tested at <italic>B</italic> factories.

Xiao-Yu Zhang

Yi-Lin Song

Production of <math altimg='si5.svg'><mrow><mi>J</mi><mo linebreak='goodbreak'>/</mo><mi>&#968;</mi><mi>p</mi><mover accent='true'><mi>p</mi><mo>&#175;</mo></mover></mrow></math> in electron-positron collisions

In this paper, we model <math altimg='si17.svg'><mrow><mstyle mathvariant='normal'><mi>&#933;</mi></mstyle><mo>(</mo><mn>10753</mn><mo>)</mo></mrow></math> as a <math altimg='si15.svg'><mrow><mn>4</mn><mi>S</mi></mrow></math>- <math altimg='si16.svg'><mrow><mn>3</mn><mi>D</mi></mrow></math> bottomonium mixture and <math altimg='si21.svg'><mrow><mstyle mathvariant='normal'><mi>&#933;</mi></mstyle><mo>(</mo><mn>10860</mn><mo>)</mo></mrow></math> as a <math altimg='si18.svg'><mrow><mn>5</mn><mi>S</mi></mrow></math>- <math altimg='si19.svg'><mrow><mn>4</mn><mi>D</mi></mrow></math> mixture, and predict the properties of a new bottomonium state, <math altimg='si68.svg'><mrow><mstyle mathvariant='normal'><mi>&#933;</mi></mstyle><mo>(</mo><mn>10950</mn><mo>)</mo></mrow></math>, as the mixing partner of <math altimg='si21.svg'><mrow><mstyle mathvariant='normal'><mi>&#933;</mi></mstyle><mo>(</mo><mn>10860</mn><mo>)</mo></mrow></math>. The mixing angles are derived from dielectron decay widths and mass shifts of these bottomonia. We consider open-bottom meson loops in the decays of the <math altimg='si8.svg'><mi>D</mi></math>-wave bottomonium components, based on a nonrelativistic effective field theory power counting. We show that the <math altimg='si7.svg'><mi>S</mi></math>- <math altimg='si8.svg'><mi>D</mi></math> mixing scheme is consistent with the experimental data of the decays of <math altimg='si21.svg'><mrow><mstyle mathvariant='normal'><mi>&#933;</mi></mstyle><mo>(</mo><mn>10860</mn><mo>)</mo></mrow></math> into <math altimg='si3.svg'><mrow><mi>&#969;</mi><msub><mi>&#967;</mi><mrow><mi>b</mi><mi>J</mi></mrow></msub></mrow></math> ( <math altimg='si69.svg'><mrow><mi>J</mi><mo linebreak='goodbreak'>=</mo><mn>0</mn><mo>,</mo><mn>1</mn><mo>,</mo><mn>2</mn></mrow></math>) and <math altimg='si17.svg'><mrow><mstyle mathvariant='normal'><mi>&#933;</mi></mstyle><mo>(</mo><mn>10753</mn><mo>)</mo></mrow></math> into <math altimg='si3.svg'><mrow><mi>&#969;</mi><msub><mi>&#967;</mi><mrow><mi>b</mi><mi>J</mi></mrow></msub></mrow></math> ( <math altimg='si70.svg'><mrow><mi>J</mi><mo linebreak='goodbreak'>=</mo><mn>1</mn><mo>,</mo><mn>2</mn></mrow></math>). Predictions for the dielectron widths and partial decay widths into <math altimg='si71.svg'><mrow><msub><mi>&#967;</mi><mrow><mi>b</mi><mi>J</mi></mrow></msub><mi>&#969;</mi></mrow></math> for <math altimg='si17.svg'><mrow><mstyle mathvariant='normal'><mi>&#933;</mi></mstyle><mo>(</mo><mn>10753</mn><mo>)</mo></mrow></math> and <math altimg='si68.svg'><mrow><mstyle mathvariant='normal'><mi>&#933;</mi></mstyle><mo>(</mo><mn>10950</mn><mo>)</mo></mrow></math> are presented.

Zheng-Li Luo

Decays of <math altimg='si21.svg'><mrow><mstyle mathvariant='normal'><mi>&#933;</mi></mstyle><mo>(</mo><mn>10860</mn><mo>)</mo></mrow></math> and <math altimg='si17.svg'><mrow><mstyle mathvariant='normal'><mi>&#933;</mi></mstyle><mo>(</mo><mn>10753</mn><mo>)</mo></mrow></math> into <math altimg='si3.svg'><mrow><mi>&#969;</mi><msub><mi>&#967;</mi><mrow><mi>b</mi><mi>J</mi></mrow></msub></mrow></math>

We discuss the landscape of flavor physics at the Circular Electron-Positron Collider (CEPC), based on the nominal luminosity outlined in its Technical Design Report. The CEPC is designed to operate in multiple modes to address a variety of tasks. At the $\textit{Z}$ pole, the expected production of 4 Tera $\textit{Z}$ bosons will provide unique and highly precise measurements of $\textit{Z}$ boson couplings, while the substantial number of boosted heavy-flavored quarks and leptons produced in clean $\textit{Z}$ decays will facilitate investigations into their flavor physics with unprecedented precision. We investigate the prospects of measuring various physics benchmarks and discuss their implications for particle theories and phenomenological models. Our studies indicate that, with its highlighted advantages and anticipated excellent detector performance, the CEPC can explore beauty and $\textit{τ}$ physics in ways that are superior to or complementary with the Belle II and Large-Hadron-Collider-beauty experiments, potentially enabling the detection of new physics at energy scales of 10 TeV and above. This potential also extends to the observation of yet-to-be-discovered rare and exotic processes, as well as testing fundamental principles such as lepton flavor universality, lepton and baryon number conservation, etc., making the CEPC a vibrant platform for flavor physics research. The $\textit{WW}$ threshold scan, Higgs-factory operation and top-pair productions of the CEPC further enhance its merits in this regard, especially for measuring the Cabibbo-Kobayashi-Maskawa matrix elements, and Flavor-Changing-Neutral-Current physics of Higgs boson and top quarks. We outline the requirements for detector performance and considerations for future development to achieve the anticipated scientific goals. The role of machine learning for innovative detector design and advanced reconstruction algorithms is also stressed. The CEPC flavor physics program not only develops new capabilities for exploring flavor physics beyond existing projects but also enriches the physics opportunities of this machine. It should be remarked that, given the richness of the CEPC flavor physics, this manuscript is not meant to be a comprehensive survey, but rather an investigation of representative cases. Uncovering the full potential of flavor physics at the CEPC will require further dedicated explorations in the future.

Xiaocong Ai

Wolfgang Altmannshofer

Peter Athron

Xiaozhi Bai

Lorenzo Calibbi

Lu Cao

Yuzhi Che

Chunhui Chen

Ji-Yuan Chen

Long Chen

Mingshui Chen

Shanzhen Chen

Xuan Chen

Shan Cheng

Cheng-Wei Chiang

Switzerland

Andreas Crivellin

Hanhua Cui

France

Olivier Deschamps

Sébastien Descotes-Genon

Xiaokang Du

Shuangshi Fang

Yu Gao

Yuanning Gao

Pablo Goldenzweig

Jiayin Gu

Yuchen Guo

Zhi-Hui Guo

Tao Han

Hong-Jian He

Jibo He

Miao He

Xiaogang He

Yanping Huang

Gino Isidori

Quan Ji

Jianfeng Jiang

Xu-Hui Jiang

Slovenia

Jernej F. Kamenik

Tsz Hong Kwok

Gang Li

Geng Li

Haibo Li

Haitao Li

Hengne Li

Honglei Li

Liang Li

Lingfeng Li

Qiang Li

Shu Li

Xiaomei Li

Xin-Qiang Li

Yiming Li

Yubo Li

Yuji Li

Zhao Li

Hao Liang

Zhijun Liang

Libo Liao

Zoltan Ligeti

Jia Liu

Jianbei Liu

Tao Liu

Yi Liu

Yong Liu

Zhen Liu

Xinchou Lou

Peng-Cheng Lu

Italy

Alberto Lusiani

Hong-Hao Ma

Kai Ma

Farvah Mahmoudi

Yajun Mao

Yaxian Mao

David Marzocca

Juan-Juan Niu

Soeren Prell

Huirong Qi

Sen Qian

Zhuoni Qian

Qin Qin

Ariel Rock

Jonathan L. Rosner

Manqi Ruan

Dingyu Shao

Chengping Shen

Xiaoyan Shen

Haoyu Shi

United Kingdom

Liaoshan Shi

Zong-Guo Si

Cristian Sierra

Huayang Song

Shufang Su

Wei Su

Zhijia Sun

Michele Tammaro

Dayong Wang

En Wang

Flavor physics at the CEPC: a general perspective * We acknowledge financial support from the National Natural Science Foundation of China (NSFC) (12125507, 12047503, 12035008, 2211530479, 12475094, 12135006, 12075097, 12375086, 2022YFA1601903, 12061141007, 12375091, 12342502, 12235018, 12335003, 12105100, 12475106, 11961141015, 12188102, 12175245, 12205171, 12321005, tsqn202312052, 2024HWYQ-005, 12405121, 12447167, 12061141006, 12405102, 12125503,12305115, 12075213, 12335005, 12235008); the Chinese Academy of Sciences (YSBR-101, XDB34030000); the National Key R&D Program of China (2022YFE0116900, 2023YFA1606703, 2022YFA1601901); the National Key Research and Development Program of China (2023YFA1606300); the Excellent Postdoctoral Program of Jiangsu Province (2023ZB891); the Shenzhen Science and Technology Program (202206193000001, 20220816094256002); the Natural Science Foundation for Distinguished Young Scholars of Henan Province (242300421046); the Beijing Municipal Natural Science Foundation (JQ22002); the Area of Excellence (AoE/P-404/18-3) and the General Research Fund (16304321) (both grants are issued by the Research Grants Council of Hong Kong S.A.R); the MOST National Key R&D Program (2023YFA1606303); the Shanghai Key Laboratory for Particle Physics and Cosmology, Key Laboratory for Particle Astrophysics and Cosmology (Ministry of Education), Shanghai Jiao Tong University