pith. sign in

arxiv: 2605.26913 · v1 · pith:AN2EQDZOnew · submitted 2026-05-26 · ✦ hep-ph

Exotic Hadron Spectroscopy in Heavy-Flavor Systems

Mikhail Mikhasenko This is my paper

Pith reviewed 2026-06-29 17:08 UTC · model grok-4.3

classification ✦ hep-ph
keywords exotic hadronsheavy flavor spectroscopypentaquarkstetraquarkscharmonium-like statesbottomonium
0
0 comments X

The pith

Heavy-flavor systems show exotic hadron structures recurring across multiple experiments and flavor sectors.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper reviews how recent experimental results in charm and bottom quark systems have moved exotic hadron spectroscopy from isolated discoveries to a pattern of recurring structures. These appear in several classes and are confirmed in different decay environments by multiple collaborations. Smaller widths and cleaner signals in heavy flavors make regularities visible that remain hidden in light-quark systems. The work organizes the current landscape around five main categories of states.

Core claim

Heavy-flavor spectroscopy has entered a period in which new hadronic structures are no longer isolated surprises but recurring features across several flavor sectors, seen by multiple experiments in several decay environments. The defining classes are hidden-charm pentaquarks, charged charmonium-like structures, resonances in onia-onia systems, doubly-heavy tetraquarks, and open-flavor tetraquarks.

What carries the argument

The five recurring classes of exotic states (hidden-charm pentaquarks, charged charmonium-like structures, resonances in onia-onia systems, doubly-heavy tetraquarks, and open-flavor tetraquarks) that organize the observed spectrum and expose regularities across flavor sectors.

If this is right

  • The same mechanisms that produce hidden-charm pentaquarks should generate analogous states in bottom systems.
  • Resonances in onia-onia systems become a standard search channel rather than an exception.
  • Doubly-heavy and open-flavor tetraquarks should appear with predictable mass and width patterns across experiments.
  • Theoretical models must now explain the recurrence across sectors instead of individual anomalies.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Experimental programs could prioritize searches for bottom analogs of the established charm states to test the recurrence directly.
  • The pattern may constrain which QCD binding mechanisms operate at similar strengths in different flavor sectors.
  • Lattice calculations could be guided to target the mass regions where these recurring states cluster.

Load-bearing premise

The observed peaks and structures can be reliably grouped into the listed exotic categories using their experimental signatures and flavor quantum numbers.

What would settle it

A sequence of new heavy-flavor peaks that appear in only one experiment or decay channel and fail to match any of the five listed classes would undermine the claim of recurring, systematic features.

Figures

Figures reproduced from arXiv: 2605.26913 by Mikhail Mikhasenko.

Figure 1
Figure 1. Figure 1: A sketch of a deuteron-like resonance seen from a weakly coupled inelastic channel. 2 [PITH_FULL_IMAGE:figures/full_fig_p002_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: Hidden-charm pentaquark candidates in the 𝐽/𝜓 𝑝 channel [1] and the 𝐽/𝜓Λ channel [7]. Further hints of pentaquark states come from the 𝐵 0 𝑠 → 𝑝𝑝𝐽¯ /𝜓 decay [8] and Ξ − 𝑏 → 𝐽/𝜓Λ𝐾 − decay [9]. Several prospective reactions with charmonium-baryon components [10–12], and open￾flavor meson-baryon systems [13–16] have been observed, albeit limited by statistics. The LHC Run 3 data, currently being collected and… view at source ↗
Figure 3
Figure 3. Figure 3: Charmonium-like structure in 𝑒 + 𝑒 − → 𝜋 +𝜋 − 𝐽/𝜓 and 𝐾 +𝐾 − 𝐽/𝜓 final states from the BESIII experiment. The charmonium-like sector is very complex, and many hadronic thresholds may be relevant for understanding the dynamics and for explaining the appearance of these states. To identify relevant degrees of freedom and elucidate the interplay among these states, three directions can be listed: (a) observe … view at source ↗
Figure 4
Figure 4. Figure 4 [PITH_FULL_IMAGE:figures/full_fig_p006_4.png] view at source ↗
Figure 5
Figure 5. Figure 5: Left: Mass spectrum of the 𝐷 0𝐷 0𝜋 + system produced inclusively in proton–proton collisions, showing evidence for the doubly charmed 𝑇 + 𝑐𝑐 tetraquark. Right: Lattice QCD computation for the binding energy of doubly-heavy tetraquark families with quantum numbers 𝐽 𝑃 = 1 + . There is no consensus among theoretical predictions on the size of the binding for the scalar state relative to the 𝐵 +𝐷 − threshold.… view at source ↗
Figure 6
Figure 6. Figure 6: Overview of experimental results on charm-strange tetraquarks, 𝑇𝑐𝑠¯ and 𝑇𝑐𝑠. of other prominent decay channels, 𝐵 + → 𝐷 0𝐷¯ 0𝐾 + and 𝐵 0 → 𝐷 −𝐷 0𝐾 + , are available to date only from the older BaBar dataset [47], which reported no exotic signals at the time. For the 𝑇𝑐𝑠¯ sector, the key observation is the appearance of peaking structures in 𝐷 + 𝑠 𝜋 + and 𝐷 + 𝑠 𝜋 − studied in the combined amplitude analysis… view at source ↗
Figure 7
Figure 7. Figure 7: Two-meson subsystems accessible within the 𝐵 → 𝐷𝐷ℎ¯ analyses, as listed in [PITH_FULL_IMAGE:figures/full_fig_p009_7.png] view at source ↗
read the original abstract

Recent years have brought a dense sequence of experimental discoveries in heavy-flavor hadron spectroscopy. Heavy-flavor spectroscopy has entered a period in which new hadronic structures are no longer isolated surprises but recurring features across several flavor sectors, seen by multiple experiments in several decay environments. For systems with charm and bottom quarks, smaller widths and cleaner signatures expose regularities that would be harder to isolate in the light-quark sector. This contribution focuses on the classes of states that now define the modern ``exotic'' landscape: hidden-charm pentaquarks, charged charmonium-like structures, resonances in onia-onia systems, doubly-heavy tetraquarks, and open-flavor tetraquarks.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

0 major / 0 minor

Summary. The manuscript is a review that characterizes the recent experimental landscape in heavy-flavor hadron spectroscopy. It asserts that new hadronic structures have become recurring features across charm and bottom sectors, observed by multiple experiments in varied decay channels, and organizes the discussion around five classes of exotic states: hidden-charm pentaquarks, charged charmonium-like structures, onia-onia resonances, doubly-heavy tetraquarks, and open-flavor tetraquarks. No new derivations, quantitative predictions, or model fits are presented.

Significance. As a descriptive synthesis of the experimental record, the review would be useful for consolidating the current consensus view of the exotic landscape in a field where smaller widths and cleaner signatures in heavy-flavor systems allow regularities to be identified more readily than in the light-quark sector. Its value is archival and contextual rather than predictive.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for the careful reading and the positive assessment of the manuscript as a descriptive synthesis of the experimental landscape. The recommendation to accept is appreciated, and the characterization of the review's archival and contextual value aligns with our goals.

Circularity Check

0 steps flagged

No significant circularity

full rationale

The paper is a review article that summarizes experimental discoveries in heavy-flavor spectroscopy without advancing any quantitative derivations, model equations, predictions, or fitted parameters. Its central claim is a descriptive characterization of recurring experimental structures across flavor sectors, based on reported data from multiple experiments. No load-bearing steps reduce to self-definitions, fitted inputs, or self-citation chains, as there are no derivations or predictions present.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

The paper is a review of experimental findings; no new free parameters, axioms, or invented entities are introduced.

pith-pipeline@v0.9.1-grok · 5629 in / 950 out tokens · 29024 ms · 2026-06-29T17:08:34.656777+00:00 · methodology

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Reference graph

Works this paper leans on

52 extracted references · 41 canonical work pages

  1. [1]

    Observation of𝐽/𝜓 𝑝resonances consistent with pentaquark states inΛ0 𝑏 → 𝐽/𝜓 𝐾 − 𝑝decays.Phys.Rev.Lett.,115:072001,2015.doi: 10.1103/PhysRevLett.115.072001

    Roel Aaij et al. Observation of𝐽/𝜓 𝑝resonances consistent with pentaquark states inΛ0 𝑏 → 𝐽/𝜓 𝐾 − 𝑝decays.Phys.Rev.Lett.,115:072001,2015.doi: 10.1103/PhysRevLett.115.072001

    work page doi:10.1103/physrevlett.115.072001 2015

  2. [2]

    Model-independent evidence for𝐽/𝜓 𝑝contributions toΛ 0 𝑏 →𝐽/𝜓 𝑝 𝐾 − decays.Phys

    Roel Aaij et al. Model-independent evidence for𝐽/𝜓 𝑝contributions toΛ 0 𝑏 →𝐽/𝜓 𝑝 𝐾 − decays.Phys. Rev. Lett., 117(8):082002, 2016. doi: 10.1103/PhysRevLett.117.082002

    work page doi:10.1103/physrevlett.117.082002 2016

  3. [3]

    Observationofanarrowpentaquarkstate𝑃 𝑐 (4312) +andoftwo-peakstructure of the𝑃 𝑐 (4450) +.Phys

    RoelAaijetal. Observationofanarrowpentaquarkstate𝑃 𝑐 (4312) +andoftwo-peakstructure of the𝑃 𝑐 (4450) +.Phys. Rev. Lett., 122(22):222001, 2019. doi: 10.1103/PhysRevLett.122. 222001. 10 Exotic heavy-flavor spectroscopyM. Mikhasenko

    work page doi:10.1103/physrevlett.122 2019

  4. [4]

    Dalitz-plotdecompositionforthree-bodydecays.Phys.Rev.D,101(3): 034033, 2020

    M.Mikhasenkoetal. Dalitz-plotdecompositionforthree-bodydecays.Phys.Rev.D,101(3): 034033, 2020. doi: 10.1103/PhysRevD.101.034033

    work page doi:10.1103/physrevd.101.034033 2020

  5. [5]

    A novel method to test particle ordering and final state alignment in helicity formalism.Chin

    Mengzhen Wang, Yi Jiang, Yinrui Liu, Wenbin Qian, Xiaorui Lyu, and Liming Zhang. A novel method to test particle ordering and final state alignment in helicity formalism.Chin. Phys. C, 45(6):063103, 2021. doi: 10.1088/1674-1137/abf139

    work page doi:10.1088/1674-1137/abf139 2021

  6. [6]

    Wignerrotationsforcascadereactions.Phys.Rev

    KaiHabermannandMikhailMikhasenko. Wignerrotationsforcascadereactions.Phys.Rev. D, 111(5):056015, 2025. doi: 10.1103/PhysRevD.111.056015

    work page doi:10.1103/physrevd.111.056015 2025

  7. [8]

    Evidence for a new structure in the𝐽/𝜓 𝑝and𝐽/𝜓¯𝑝systems in𝐵0 𝑠 →𝐽/𝜓 𝑝¯𝑝 decays.Phys

    Roel Aaij et al. Evidence for a new structure in the𝐽/𝜓 𝑝and𝐽/𝜓¯𝑝systems in𝐵0 𝑠 →𝐽/𝜓 𝑝¯𝑝 decays.Phys. Rev. Lett., 128(6):062001, 2022. doi: 10.1103/PhysRevLett.128.062001

    work page doi:10.1103/physrevlett.128.062001 2022

  8. [9]

    Evidence of a𝐽/𝜓Λstructure and observation of excitedΞ− states in the Ξ− 𝑏 →𝐽/𝜓Λ𝐾 − decay.Sci

    Roel Aaij et al. Evidence of a𝐽/𝜓Λstructure and observation of excitedΞ− states in the Ξ− 𝑏 →𝐽/𝜓Λ𝐾 − decay.Sci. Bull., 66:1278–1287, 2021. doi: 10.1016/j.scib.2021.02.030

    work page doi:10.1016/j.scib.2021.02.030 2021

  9. [10]

    Aaij et al

    R. Aaij et al. Observation of theΛ0 𝑏 →𝐽/𝜓Ξ −𝐾 + andΞ 0 𝑏 →𝐽/𝜓Ξ −𝜋+ decays.Eur. Phys. J. C, 85(7):812, 2025. doi: 10.1140/epjc/s10052-025-14129-6

    work page doi:10.1140/epjc/s10052-025-14129-6 2025

  10. [11]

    First observation of the decayΛ0 𝑏 →𝜂 𝑐 (1𝑆)𝑝𝐾 −.Phys

    Roel Aaij et al. First observation of the decayΛ0 𝑏 →𝜂 𝑐 (1𝑆)𝑝𝐾 −.Phys. Rev. D, 102(11): 112012, 2020. doi: 10.1103/PhysRevD.102.112012

    work page doi:10.1103/physrevd.102.112012 2020

  11. [12]

    Observation of theΛ0 𝑏 →𝜒 𝑐1 (3872)𝑝 𝐾 − decay.JHEP, 09:028, 2019

    Roel Aaij et al. Observation of theΛ0 𝑏 →𝜒 𝑐1 (3872)𝑝 𝐾 − decay.JHEP, 09:028, 2019. doi: 10.1007/JHEP09(2019)028

    work page doi:10.1007/jhep09(2019)028 2019

  12. [13]

    FirstobservationoftheΛ 0 𝑏 →Λ + 𝑐 𝐷 − 𝑠 𝐾 +𝐾 − decayandsearchforpentaquarks in theΛ+ 𝑐 𝐷 − 𝑠 system.Phys

    RoelAaijetal. FirstobservationoftheΛ 0 𝑏 →Λ + 𝑐 𝐷 − 𝑠 𝐾 +𝐾 − decayandsearchforpentaquarks in theΛ+ 𝑐 𝐷 − 𝑠 system.Phys. Rev. D, 112(5):052013, 2025

    2025

  13. [14]

    Observation ofΛ0 𝑏 →Λ + 𝑐 ¯𝐷 (∗)0 𝐾 − andΛ 0 𝑏 →Λ + 𝑐 𝐷∗− 𝑠 decays.Eur

    Roel Aaij et al. Observation ofΛ0 𝑏 →Λ + 𝑐 ¯𝐷 (∗)0 𝐾 − andΛ 0 𝑏 →Λ + 𝑐 𝐷∗− 𝑠 decays.Eur. Phys. J. C, 84(6):575, 2024. doi: 10.1140/epjc/s10052-024-12752-3

    work page doi:10.1140/epjc/s10052-024-12752-3 2024

  14. [15]

    First observation ofΛ0 𝑏 →Σ (∗)++ 𝑐 𝐷 (∗) − 𝐾 − decays.Phys

    Roel Aaij et al. First observation ofΛ0 𝑏 →Σ (∗)++ 𝑐 𝐷 (∗) − 𝐾 − decays.Phys. Rev. D, 110(3): L031104, 2024. doi: 10.1103/PhysRevD.110.L031104

    work page doi:10.1103/physrevd.110.l031104 2024

  15. [16]

    Search for prompt production of pentaquarks in charm hadron final states

    Roel Aaij et al. Search for prompt production of pentaquarks in charm hadron final states. Phys. Rev. D, 110(3):032001, 2024. doi: 10.1103/PhysRevD.110.032001

    work page doi:10.1103/physrevd.110.032001 2024

  16. [17]

    Navas et al

    S. Navas et al. Review of particle physics.Phys. Rev. D, 110(3):030001, 2024. doi: 10.1103/ PhysRevD.110.030001

    2024

  17. [19]

    Observation of the resonant character of the𝑍(4430)− state.Phys

    Roel Aaij et al. Observation of the resonant character of the𝑍(4430)− state.Phys. Rev. Lett., 112(22):222002, 2014. doi: 10.1103/PhysRevLett.112.222002

    work page doi:10.1103/physrevlett.112.222002 2014

  18. [20]

    Model-independentconfirmationofthe𝑍(4430) − state.Phys.Rev.D,92(11): 112009, 2015

    RoelAaijetal. Model-independentconfirmationofthe𝑍(4430) − state.Phys.Rev.D,92(11): 112009, 2015. doi: 10.1103/PhysRevD.92.112009

    work page doi:10.1103/physrevd.92.112009 2015

  19. [21]

    Amplitude analysis of𝐵+ →𝜓(2𝑆)𝐾 +𝜋+𝜋− decays.JHEP, 01:054, 2025

    Roel Aaij et al. Amplitude analysis of𝐵+ →𝜓(2𝑆)𝐾 +𝜋+𝜋− decays.JHEP, 01:054, 2025. doi: 10.1007/JHEP01(2025)054

    work page doi:10.1007/jhep01(2025)054 2025

  20. [22]

    PhD thesis, Syracuse U., 2 2023

    Andy Beiter.Amplitude analysis of𝐵 0 decays to𝐽/𝜓 𝜋 −𝐾 + and𝜓(2𝑆)𝜋 −𝐾 +. PhD thesis, Syracuse U., 2 2023

    2023

  21. [23]

    Observation and investigation of the𝑇 𝑐¯𝑐1(4430) + structure in𝐵 + → 𝜓(2𝑆)𝐾 0 S 𝜋+ decays.Phys

    Roel Aaij et al. Observation and investigation of the𝑇 𝑐¯𝑐1(4430) + structure in𝐵 + → 𝜓(2𝑆)𝐾 0 S 𝜋+ decays.Phys. Rev. D, 113(7):L071101, 2026

    2026

  22. [24]

    Observationofachargedcharmoniumlikestructurein𝑒 +𝑒− →𝜋 +𝜋− 𝐽/𝜓at√𝑠=4.26 GeV.Phys

    M.Ablikimetal. Observationofachargedcharmoniumlikestructurein𝑒 +𝑒− →𝜋 +𝜋− 𝐽/𝜓at√𝑠=4.26 GeV.Phys. Rev. Lett., 110:252001, 2013. doi: 10.1103/PhysRevLett.110.252001

    work page doi:10.1103/physrevlett.110.252001 2013

  23. [25]

    Multi-channel joint analysis of the exotic charmonium-like state 𝑇𝑐¯𝑐(4020).arXiv preprint, 3 2026

    Medina Ablikim et al. Multi-channel joint analysis of the exotic charmonium-like state 𝑇𝑐¯𝑐(4020).arXiv preprint, 3 2026

    2026

  24. [26]

    Ablikim et al

    M. Ablikim et al. Observation of a vector charmoniumlike state at4.7 GeV/𝑐2 and search for𝑍 𝑐𝑠 in𝑒 +𝑒− →𝐾 +𝐾 − 𝐽/𝜓.Phys. Rev. Lett., 131(21):211902, 2023. doi: 10.1103/ PhysRevLett.131.211902

    2023

  25. [27]

    Strange molecular partners of𝑍 𝑐 (3900)and𝑍 𝑐 (4020).Phys

    Zhi Yang, Xu Cao, Feng-Kun Guo, Juan Nieves, and Manuel Pavon Valderrama. Strange molecular partners of𝑍 𝑐 (3900)and𝑍 𝑐 (4020).Phys. Rev. D, 103(7):074029, 2021. doi: 10.1103/PhysRevD.103.074029

    work page doi:10.1103/physrevd.103.074029 2021

  26. [28]

    Lu Meng, Bo Wang, and Shi-Lin Zhu.𝑍𝑐𝑠 (3985) − as the𝑈-spin partner of𝑍𝑐 (3900) − and implication of other states in theSU(3)𝐹 symmetry and heavy quark symmetry.Phys. Rev. D, 102(11):111502, 2020. doi: 10.1103/PhysRevD.102.111502

    work page doi:10.1103/physrevd.102.111502 2020

  27. [29]

    Polosa, and Verónica Riquer

    Luciano Maiani, Antonio D. Polosa, and Verónica Riquer. The new resonances𝑍𝑐𝑠 (3985) and𝑍 𝑐𝑠 (4003)(almost)filltwotetraquarknonetsofbrokenSU(3) f.Sci.Bull.,66:1616–1619,

  28. [30]

    doi: 10.1016/j.scib.2021.04.040

    work page doi:10.1016/j.scib.2021.04.040 2021

  29. [31]

    Observation of𝐽/𝜓 𝜙structures consistent with exotic states from amplitude analysis of𝐵 + →𝐽/𝜓 𝜙 𝐾 + decays.Phys

    Roel Aaij et al. Observation of𝐽/𝜓 𝜙structures consistent with exotic states from amplitude analysis of𝐵 + →𝐽/𝜓 𝜙 𝐾 + decays.Phys. Rev. Lett., 118(2):022003, 2017. doi: 10.1103/ PhysRevLett.118.022003

    2017

  30. [32]

    Observation of new resonances decaying to𝐽/𝜓𝐾+ and𝐽/𝜓𝜙.Phys

    Roel Aaij et al. Observation of new resonances decaying to𝐽/𝜓𝐾+ and𝐽/𝜓𝜙.Phys. Rev. Lett., 127(8):082001, 2021. doi: 10.1103/PhysRevLett.127.082001

    work page doi:10.1103/physrevlett.127.082001 2021

  31. [34]

    Aaij et al

    R. Aaij et al. Observation of structure in the𝐽/𝜓-pair mass spectrum.Sci. Bull., 65(23): 1983–1993, 2020. doi: 10.1016/j.scib.2020.08.032

    work page doi:10.1016/j.scib.2020.08.032 1983

  32. [35]

    Observation of an Excess of Dicharmonium Events in the Four-Muon Final State with the ATLAS Detector.Phys

    Georges Aad et al. Observation of an Excess of Dicharmonium Events in the Four-Muon Final State with the ATLAS Detector.Phys. Rev. Lett., 131(15):151902, 2023. doi: 10.1103/ PhysRevLett.131.151902

    2023

  33. [37]

    Determinationofthespinandparityofall-charmtetraquarks.Nature, 648(8092):58–63, 2025

    AramHayrapetyanetal. Determinationofthespinandparityofall-charmtetraquarks.Nature, 648(8092):58–63, 2025. doi: 10.1038/s41586-025-09711-7

    work page doi:10.1038/s41586-025-09711-7 2025

  34. [38]

    Observation of a family of all-charm tetraquark states, 9 2025

    Kai Yi. Observation of a family of all-charm tetraquark states, 9 2025. URLhttps: //indico.cern.ch/event/1371434/contributions/6649693/. Slides (CORFU2025)

    work page arXiv 2025

  35. [39]

    Observation of an exotic narrow doubly charmed tetraquark.Nature Phys., 18:751–754, 2022

    Roel Aaij et al. Observation of an exotic narrow doubly charmed tetraquark.Nature Phys., 18:751–754, 2022. doi: 10.1038/s41567-022-01614-y

    work page doi:10.1038/s41567-022-01614-y 2022

  36. [40]

    Study of the doubly charmed tetraquarkT cc +˝

    RoelAaijetal. Studyofthedoublycharmedtetraquark𝑇 + 𝑐𝑐.NatureCommun.,13:3351,2022. doi: 10.1038/s41467-022-30206-w

    work page doi:10.1038/s41467-022-30206-w 2022

  37. [41]

    Improved analysis of strong-interaction-stable doubly bottom tetraquarks on the lattice.Phys

    B.Colquhoun,A.Francis,R.J.Hudspith,R.Lewis,K.Maltman,andW.G.Parrott. Improved analysis of strong-interaction-stable doubly bottom tetraquarks on the lattice.Phys. Rev. D, 110(9):094503, 2024. doi: 10.1103/PhysRevD.110.094503

    work page doi:10.1103/physrevd.110.094503 2024

  38. [42]

    Search for𝑇 𝑏𝑐: prospects for Run 3, 10 2023

    Ivan Polyakov. Search for𝑇 𝑏𝑐: prospects for Run 3, 10 2023. URL https://indico.cern.ch/event/1324964/contributions/5576264/attachments/ 2728384/4742426/Tbc_Search.pdf. Talk

    work page arXiv 2023

  39. [43]

    Beyond𝑇𝑐𝑐:𝑇 𝑏𝑐 &𝑇 𝑏𝑏, 9 2021

    Steven Blusk. Beyond𝑇𝑐𝑐:𝑇 𝑏𝑐 &𝑇 𝑏𝑏, 9 2021. URLhttps://indico.cern.ch/event/ 1065494/contributions/4481578/attachments/2308739/3928347/Beyond_Tcc. pdf. Talk

    work page arXiv 2021

  40. [44]

    Gershon and A

    T. Gershon and A. Poluektov. Displaced𝐵− 𝑐 mesons as an inclusive signature of weakly decaying double-beauty hadrons.JHEP, 01:019, 2019. doi: 10.1007/JHEP01(2019)019

    work page doi:10.1007/jhep01(2019)019 2019

  41. [45]

    Amplitudeanalysisofthe𝐵 + →𝐷 +𝐷 −𝐾 + decay.Phys.Rev.D,102:112003,

    RoelAaijetal. Amplitudeanalysisofthe𝐵 + →𝐷 +𝐷 −𝐾 + decay.Phys.Rev.D,102:112003,

  42. [46]

    doi: 10.1103/PhysRevD.102.112003

    work page doi:10.1103/physrevd.102.112003

  43. [47]

    Observation of new charmonium(-like) states in𝐵+ →𝐷 ∗±𝐷∓𝐾 + decays

    Roel Aaij et al. Observation of new charmonium(-like) states in𝐵+ →𝐷 ∗±𝐷∓𝐾 + decays. Phys. Rev. Lett., 133(13):131902, 2024. doi: 10.1103/PhysRevLett.133.131902

    work page doi:10.1103/physrevlett.133.131902 2024

  44. [48]

    Pérez-García, M

    Roel Aaij et al. Observation of the open-charm tetraquark candidate𝑇∗ 𝑐𝑠0 (2870)0 in the 𝐵− →𝐷 − 𝐷0𝐾0 S decay.Phys. Rev. Lett., 134(10):101901, 2025. doi: 10.1103/PhysRevLett. 134.101901. 13 Exotic heavy-flavor spectroscopyM. Mikhasenko

    work page doi:10.1103/physrevlett 2025

  45. [49]

    J. P. Lees et al. Dalitz plot analyses of𝐵0 →𝐷 − 𝐷0𝐾 + and𝐵 + → 𝐷 0 𝐷0𝐾 + decays.Phys. Rev. D, 91(5):052002, 2015. doi: 10.1103/PhysRevD.91.052002

    work page doi:10.1103/physrevd.91.052002 2015

  46. [50]

    FirstObservationofaDoublyChargedTetraquarkandItsNeutralPartner.Phys

    R.Aaijetal. FirstObservationofaDoublyChargedTetraquarkandItsNeutralPartner.Phys. Rev. Lett., 131(4):041902, 2023. doi: 10.1103/PhysRevLett.131.041902

    work page doi:10.1103/physrevlett.131.041902 2023

  47. [51]

    Amplitude analysis and branching fraction measurement of𝐵+ →𝐷 ∗− 𝐷+ 𝑠 𝜋+ decays.JHEP, 08:165, 2024

    Roel Aaij et al. Amplitude analysis and branching fraction measurement of𝐵+ →𝐷 ∗− 𝐷+ 𝑠 𝜋+ decays.JHEP, 08:165, 2024. doi: 10.1007/JHEP08(2024)165

    work page doi:10.1007/jhep08(2024)165 2024

  48. [52]

    A model-independent study of resonant structure in𝐵+ →𝐷 +𝐷 −𝐾 + decays

    Roel Aaij et al. A model-independent study of resonant structure in𝐵+ →𝐷 +𝐷 −𝐾 + decays. Phys. Rev. Lett., 125:242001, 2020. doi: 10.1103/PhysRevLett.125.242001

    work page doi:10.1103/physrevlett.125.242001 2020

  49. [53]

    Observation of a resonant structure near the𝐷+ 𝑠 𝐷 − 𝑠 threshold in the𝐵+ → 𝐷+ 𝑠 𝐷 − 𝑠 𝐾 + decay.Phys

    Roel Aaij et al. Observation of a resonant structure near the𝐷+ 𝑠 𝐷 − 𝑠 threshold in the𝐵+ → 𝐷+ 𝑠 𝐷 − 𝑠 𝐾 + decay.Phys. Rev. Lett., 131(7):071901, 2023. doi: 10.1103/PhysRevLett.131. 071901

    work page doi:10.1103/physrevlett.131 2023

  50. [54]

    TowardsaHighLuminosityLHCwithevenhigherperformance.JACoW, IPAC2025:MOPM008, 2025

    RogelioTomasetal. TowardsaHighLuminosityLHCwithevenhigherperformance.JACoW, IPAC2025:MOPM008, 2025. doi: 10.18429/JACoW-IPAC2025-MOPM008

    work page doi:10.18429/jacow-ipac2025-mopm008 2025

  51. [55]

    Xiao-CongAietal.ConceptualdesignreportoftheSuperTau-CharmFacility: theaccelerator. Nucl. Sci. Tech., 36(12):242, 2025. doi: 10.1007/s41365-025-01833-x

    work page doi:10.1007/s41365-025-01833-x 2025

  52. [56]

    Special Review Meeting of KEK B-factory Project Joint Committee of Accelerator and Experiment

    KEK B-factory Project Joint Committee of Accelerator and Experiment. Special Review Meeting of KEK B-factory Project Joint Committee of Accelerator and Experiment. Report BELLE2-REPORT-2026-004, Belle II PubDB, March 2026. URLhttps://docs.belle2. org/pub_data/documents/5012/. Report by P. Craievich, M. Demarteau, R. Forty, T. Taylor, R. Tomás, N. Neufeld,...

    2026