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CLFV2026 - The 5th International Conference on Charged Lepton Flavor Violation

17–19 Jun 2026
Sapienza Università di Roma
Europe/Rome timezone

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Contribution List

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  1. 1. Registration
    17/06/2026, 08:30
  2. 2. Introduction and Welcome
    17/06/2026, 09:30
  3. 3. Local Welcome "La Sapienza"
    17/06/2026, 09:45
  4. 11. Theory Overview
    BHUPAL DEV (TUM)
    17/06/2026, 10:00
  5. 12. Global cLFV constraints
    Xabier Marcano (Università di Bologna and INFN)
    17/06/2026, 11:30
  6. 13. New exotic muon decays
    Admir Greljo (CERN)
    17/06/2026, 12:00
  7. 39. IAC Meeting
    17/06/2026, 14:30
  8. 14. Status of the MEG-II Experiment
    Antoine Venturini (Istituto Nazionale di Fisica Nucleare)
    17/06/2026, 15:30
  9. 15. Status of the Mu3e Experiment
    Tamasi Kar (Physics Institute, Heidelberg University)
    17/06/2026, 16:00
  10. 16. Status of the Mu2e Experiment
    Yuri Oksuzian (Fermilab)
    17/06/2026, 17:00
  11. 17. Status of the COMET Experiment
    Ryo Nagai
    17/06/2026, 17:30
  12. 18. CLFV searches at ATLAS/CMS
    Piet Omer J Verwilligen (Istituto Nazionale di Fisica Nucleare)
    18/06/2026, 09:00
  13. 19. CLFV searches at LHCb
    18/06/2026, 09:30
  14. 20. CLFV searches at BELLE-2
    18/06/2026, 10:00
  15. 21. CLFV searches at BES-3/STFC
    Dayong Wang (Peking University)
    18/06/2026, 11:00
  16. 32. CLFV at IceCube
    18/06/2026, 11:30
  17. 22. Present and future EDM searches
    Skyler Degenkolb (Heidelberg University)
    18/06/2026, 14:00
  18. 23. Electric Dipole Moments: Theoretical Perspective
    Maxim Pospelov (University of Minnesota)
    18/06/2026, 14:30
  19. 24. Results from the Muon g−2 Experiment at Fermilab
    Anna Driutti
    18/06/2026, 15:00
  20. 25. Muon g-2 at JPARC
    Dr Lorenzo Cotrozzi (University of Liverpool)
    18/06/2026, 15:30
  21. 26. tbd
    18/06/2026, 16:30
  22. 28. Results from NA62
    Marco Mirra (Istituto Nazionale di Fisica Nucleare)
    18/06/2026, 17:00
  23. 27. Perspectives for PIONEER
    Anna Soter
    18/06/2026, 17:30
  24. 30. CLFV at FCCee
    Paride Paradisi (Istituto Nazionale di Fisica Nucleare)
    19/06/2026, 09:00
  25. 31. CLFV at a 10 TeV Muon Collider
    Samuel Homiller (Cornell University)
    19/06/2026, 09:30
  26. 33. The HiMB Project
    Andreas Knecht (Paul Scherrer Institute)
    19/06/2026, 10:00
  27. 34. Future mu->e gamma Projects
    Sei Ban (Tokyo)
    19/06/2026, 11:00
  28. 35. CLFV upgrades at FNAL
    Michael Hedges (Fermilab)
    19/06/2026, 11:30
  29. 29. The KOTO-II Experiment
    Silvia Martellotti (INFN - LNF)
    19/06/2026, 12:00
  30. 37. Probes of Lepton Flavored Dark Matter
    Sebastian Trojanowski (National Centre for Nuclear Research (NCBJ), Poland)
    19/06/2026, 14:30
  31. 36. Theory and Experiment of Muonium Oscillations: MACEing Our Way Forward
    Alexey Petrov
    19/06/2026, 15:00
  32. 38. Ultralight DM
    Anthony Menzo
    19/06/2026, 15:30
  33. 4. Best Theory Poster Award Talk
    19/06/2026, 16:30
  34. 5. Best Experimental Poster Award Talk
    19/06/2026, 17:00
  35. 6. Conference Summary
    Hajime NISHIGUCHI (KEK)
    19/06/2026, 17:30
  36. 7. Closing Remarks
    19/06/2026, 18:10
  37. 50. A New Pattern Recognition Algorithm for Track Reconstruction in the Mu2e Tracker
    Mr Hussain Kitagawa (Istituto Nazionale di Fisica Nucleare)

    The Mu2e experiment at Fermilab searches for Charged Lepton Flavor Violation via the coherent conversion of a $\mu^{-}$ to an $e^{-}$ in the Coulomb field of an $\rm{Al}$ nucleus. The signal is a monoenergetic electron with an energy of $104.97~\rm{MeV}$ and the expected single-event sensitivity is $R_{\mu e} < 6.2 \times 10^{-16}$ at $90\%~\rm{C.L.}$ To identify conversion electrons, the Mu2e...

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  38. 45. A radial TPC for future $\mu\rightarrow e\gamma$ searches
    Susanna Scarpellini (Istituto Nazionale di Fisica Nucleare)
    Poster

    The MEG II experiment at the Paul Scherrer Institute (PSI) has set the world's best upper limit on the branching ratio of the Charged Lepton Flavor Violating (CLFV) decay $\mu^+\rightarrow e^+\gamma$, reaching $\mathcal{B}$($\mu^+\rightarrow e^+\gamma$)$<3.1\times{10}^{-13}$ at 90% confidence level. While MEG II aims to achieve a sensitivity of $6\times{10}^{-14}$ by 2026, next-generation...

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  39. 51. Asymmetries in three-body cLFV lepton: probing CP violation in HNL extensions of the SM
    Adrian Darricau (LPCA)

    In the context of Standard Model extensions via Majorana sterile fermions, the presence of additional CP violating phases (Dirac and Majorana) has been shown to be at source of important effects in charged lepton flavour violating (cLFV) transitions and decays.
    We consider further angular observables that can be studied for polarised $\tau$ and $\mu$ cLFV decays. These include, among others,...

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  40. 41. Calibration of the Mu2e Electromagnetic Calorimeter
    Sabrina Salamino (Istituto Nazionale di Fisica Nucleare)
    Poster

    The Mu2e experiment at Fermilab will search for the charged lepton flavour-violating conversion of a muon into an electron, aiming to reach a sensitivity of $R_{\mu e} \sim 10^{-17}$, an improvement of four orders of magnitude over previous limits. To reach this goal, Mu2e will use an intense pulsed muon beam and a detector system composed of a high-precision straw tube tracker and a pure CsI...

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  41. 10. CLFV and flavon footprints in discrete non-Abelian flavour models
    Dr Simone Marciano (Instituto de Fisica Corpuscular IFIC - Universitat de Valencia - CSIC)

    We discuss charged lepton flavour violation within different variants of flavour symmetry models. While these models yield the same lepton mixing matrix at leading order, they generate the observed charged lepton mass hierarchy through three distinct mechanisms.

    We examine CLFV three-body τ decays, the electric and magnetic dipole moments of the leptons, and the distinctive signals of...

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  42. 42. Conceptual design of the muonium‑to‑antimuonium conversion experiment (MACE)
    Ms Han Miao (INFN Sezione di Milano)
    Poster

    The spontaneous conversion of muonium to antimuonium is an interesting charged lepton flavor violation phenomenon that offers a sensitive probe for potential new physics and serves as a tool to constrain the parameter space beyond the Standard Model. The Muonium-to-Antimuonium Conversion Experiment (MACE) was designed to utilize a high-intensity muon beam, a Michel electron magnetic...

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  43. 49. Discriminating Muon-to-Electron Direct Conversion Signal from Backgrounds Using Tracker and Calorimeter Observables in Mu2e Simulation
    Ryan Hensley (University of California, Davis)
    Poster

    We present a simulation-based study of signal-background discrimination for the Mu2e experiment at Fermilab, targeting the charged lepton flavor violating process $\mu^- N \to e^- N$. Using the Mu2e Offline art framework, we analyze simulated samples of conversion electron (CE) signal events alongside beam-related backgrounds dominated by two-electron final states, including decay-in-orbit...

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  44. 48. High-energy cLFV at µTRISTAN with HNL
    Emanuelle Pinsard (University of Zurich)

    We study charged lepton flavour violation in heavy neutral lepton (HNL) extensions of the Standard Model, computing cross-sections and angular observables for $\mu^+ e^- \to \ell_\alpha \ell_\beta$ scattering.
    We investigate the future sensitivity of a $\mu$TRISTAN collider to these processes and its ability to constrain the HNL parameter space.
    Our results show that the prospects for...

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  45. 9. Hunting for Neutrino Texture Zeros with Muon and Tau Flavor Violation
    Xiyuan Gao

    We revisit the minimal type~II seesaw mechanism generating the Majorana neutrino mass matrix $M^{\nu}$, under the assumption that two entries of $M^{\nu}$ vanish. Such flavor structures are known as two-zero textures. Processes with charged lepton flavor violation (CLFV), absent in the Standard Model (SM), can have sizable rates in this framework and are directly linked to the flavor structure...

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  46. 40. Sensitivity to Charged Lepton Flavor Violation via e → τ Transitions in the Leptoquark Framework at the Electron-Ion Collider
    BARDH QUNI (University of Manitoba)

    The Electron-Ion Collider (EIC), with its state-of-the-art electron-Proton/Ion Collider (ePIC) detector, offers a unique opportunity to probe the structure of matter and search for new physics beyond the Standard Model. A particularly intriguing BSM scenario involves leptoquarks, hypothetical particles that couple quarks and leptons and can mediate rare charge-induced lepton flavor violating...

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  47. 44. The CAPHRI detector: a fast tool for Mu2e beam normalization
    Vittoria Ludovica Ciccarella (Istituto Nazionale di Fisica Nucleare)
    Poster

    The Mu2e experiment at Fermilab will search for the charged lepton flavor violating (CLFV) process of a neutrinoless muon-to-electron conversion in the field of an aluminum nucleus. Reaching the experiment’s target sensitivity requires precise normalization of the physics signal through accurate monitoring of the muon capture rate on the stopping target.

    For this purpose, the Calorimeter...

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  48. 43. The muEDM experiment at PSI
    David Hoehl
    Poster

    At PSI a high precision experiment is being set up to search for the muon electric dipole moment (muEDM) employing the frozen-spin technique. A muEDM larger than the Standard Model prediction would be a sign for new physics. The search is conducted in two phases with a final precision of $6 \times 10^{-23} \;\mathrm{e \cdot cm}$. Eventually, this will improve the current best limit by three...

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  49. 47. Track Based Software Alignment of the Mu3e Pixel Detector Using the General Triplet Track Fit
    David Fritz (University Heidelberg)
    Poster

    The Mu3e experiment at the Paul Scherrer Institut aims to observe the charged-lepton-flavour- violating decay μ⁺ → e⁺e⁻e⁺ with a signal sensitivity of 1 in 10¹⁶ muon decays. To reach the physics goals and tracking performance of Mu3e, precise alignment of the tracking detector is crucial. While optical survey systems provide an initial geometry, track-based software alignment is essential to...

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  50. 46. Vertex Reconstruction Using the General Triplet Track Fit for the Mu3e Experiment
    Thomas Schwartze (Heidelberg University)
    Poster

    The Mu3e Experiment at the Paul Scherrer Institut (PSI) searches for the charged-lepton-flavour-violating decay $\mu^+ \to \text{e}^+ \text{e}^- \text{e}^+$. Using a high-intensity muon beam, delivering up to $10^8$ muons per second, the experiment aims to improve the exclusion limit of $\mu^+ \to \text{e}^+ \text{e}^- \text{e}^+$ by four orders of magnitude. A main challenge of the experiment...

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  51. 8. What can we learn from charged lepton flavor (non-)conservation?
    Andrea Di Lecce (Istituto Nazionale di Fisica Nucleare)

    Upcoming experiments are set to dramatically improve the search for charged lepton flavor violation, with the sensitivity to the rates of $\mu \to eee$ decay and $\mu N\to e N$ conversion expected to improve by four orders of magnitude in the near future. I discuss the impact of these measurements in reshaping our picture of the flavor structure of fundamental interactions and in connection...

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