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24th Conference on Flavor Physics and CP Violation (FPCP 2026)

18–22 May 2026
Europe/Zurich timezone

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Contribution List

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  1. 48. Opening
    18/05/2026, 08:45
  2. 49. Theory Introduction
    Bernat Capdevila (IFAE)
    18/05/2026, 09:00
  3. 99. Status of rare semileptonic b-hadron decays
    Danny van Dyk (Durham University & IPPP)
    18/05/2026, 09:30

    I will review the status of rare semileptonic b-hadron decays

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  4. 12. Electroweak penguin and radiative B decays
    Fionn Bishop (Centre National de la Recherche Scientifique (FR))
    18/05/2026, 10:00
  5. 13. Rare B meson decays with missing energy
    Thomas Browder
    18/05/2026, 11:00
  6. 14. Theory of rare charm decays
    Dominik Suelmann (Technische Universität Dortmund)
    18/05/2026, 11:30
  7. 15. Rare charm decays experimentally
    Andrea Contu (INFN)
    18/05/2026, 12:00
  8. 16. B-physics connection with high pT
    Christoph Englert (The University of Manchester (GB))
    18/05/2026, 14:00
  9. 17. Evidence for Toponium
    Christian Schwanenberger (Deutsches Elektronen-Synchrotron (DE))
    18/05/2026, 14:30
  10. 18. Vcb with on-shell W decays with the ATLAS Experiment
    Paul Fraser Harrison (University of Warwick (GB)), Paul Harrison (University of Warwick (GB))
    18/05/2026, 15:00
  11. 19. Exotic hadron spectroscopy
    Stefan Wallner (MPP (Munich))
    18/05/2026, 16:00
  12. 20. Charm spectroscopy and exotics
    Ryan Mitchell
    18/05/2026, 16:30
  13. 22. Lattice QCD calculations of hadron spectroscopy
    Sasa Prelovsek
    18/05/2026, 17:00
  14. 64. New results from doubly charmed baryon searches
    Xingyu Tong (Peking University (CN))
    18/05/2026, 17:30
  15. 93. Probing Flavorful EFTs at the LHC
    Matheus Martines de Azevedo da Silva (Universidade de São Paulo)
    18/05/2026, 18:20

    Since the discovery of the Higgs boson, no clear signatures of New Physics (NP) have been observed at the LHC. This absence suggests a separation between the scale of NP and the electroweak scale. In this scenario, Effective Field Theories (EFTs) provide a model-independent framework to analyze LHC and low-energy data and search for indirect signs of physics beyond the Standard Model (SM). In...

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  16. 75. Model dependent amplitude analyses of $B\to K^{(*)}\mu^+\mu^-$ decays
    Konstantinos Petridis (University of Bristol (GB))
    18/05/2026, 18:35

    The LHCb experiment has recorded an unprecedented sample of $B\to K^{(∗)}\mu⁺\mu⁻$ decays during Run 1 and Run 2 of the LHC, enabling for the first time unbinned amplitude analyses of these transitions. Using a model for the strong-phase variation across the phase space, such analyses provide simultaneous determinations of both the real and imaginary parts of the relevant Wilson coefficients....

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  17. 10. Branching ratios and CP asymmetries in D->P eta' decays with SU(3)_F symmetry
    Carolina Da Silva Bolognani (Technische Universitaet Dortmund (DE))
    18/05/2026, 18:50

    Charm decays offer a unique window into the dynamics of up-type quark transitions, and therefore stand as an important testing ground for the Standard Model (SM).
    Predictions of $D$ mesons into hadronic final states, however, are notoriously challenging. A prospective method to study the amplitudes of such decays employs the approximate SU(3)$_F$ symmetry of QCD accounting for its linear...

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  18. 7. $b \to (s,d)\mu^{+}\mu^{-}$ Decays, the $L_{K^{(*)}\bar{K}^{(*)}}$ Puzzle, and Neutrino Phenomenology in the $U(1)_{B-3L_\mu}$ Model
    Dhiren Panda (UNIVERSITY OF HYDERABAD)
    18/05/2026, 19:05

    The current experimental data on several observables in $b \to (s,d)\,\mu^+\mu^-$ transitions exhibit persistent deviations from Standard Model (SM) predictions. Motivated by the possibility that these anomalies originate from physics beyond the SM, we investigate a scenario in which a non-universal $Z^{\prime}$ boson provides the underlying new physics contribution. We consider a...

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  19. 23. g-2 Theory
    Simon Kuberski (CERN)
    19/05/2026, 08:30
  20. 24. g-2 Experiment
    Matteo Sorbara (Istituto Nazionale di Fisica Nucleare - Sezione Roma Tor Vergata)
    19/05/2026, 09:00
  21. 25. Tau decays
    Michele Mantovano (DESY)
    19/05/2026, 09:30
  22. 26. Current and Future Charged Lepton Flavour Violations Searches
    Prof. Niklaus Emanuel Berger (JGU Mainz)
    19/05/2026, 10:00
  23. 96. Experimental results relevant for g-2 dispersion relation predictions
    Qingyuan LIU, Qingyuan Liu (DESY), Qingyuan Liu
    19/05/2026, 11:00
  24. 55. New precise measurement of e+e- to pi+pi- with BABAR for muon g-2 prediction
    Fabio Anulli (Sapienza Universita e INFN, Roma I (IT))
    19/05/2026, 11:30
  25. 27. Neutrino review (Theory)
    Christoph Andreas Ternes
    19/05/2026, 12:00
  26. 31. High-energy astrophysical neutrinos
    Carlos Arguelles (MIT), Prof. Carlos Arguelles Delgado (Harvard University)
    19/05/2026, 14:00
  27. 28. Neutrino CPV in current and future LBL experiments
    Lukas Berns (Tohoku University), Lukas Berns (Tokyo Institute of Technolofy)
    19/05/2026, 14:30
  28. 30. Results and prospects from short-baseline reactors and accelerators
    Maurizio Bonesini (Universita & INFN, Milano-Bicocca (IT))
    19/05/2026, 15:00
  29. 54. Neutrinoless double beta decay and neutrino masses
    Christoph Wiesinger
    19/05/2026, 15:30
  30. 32. Neutrino Physics with KM3NeT
    Meriem Bendahman, Meriem Bendahman
    19/05/2026, 16:00
  31. 51. Vub / Vcb Theory Review
    Dean Robinson (Lawrence Berkeley National Laboratory (LBL))
    19/05/2026, 17:00
  32. 6. Anomalies in Hadronic B Decays
    Marianne Bouchard (Université de Montréal)
    19/05/2026, 17:30

    The decays B->PP, where the pseudoscalar P is a pi or K, have been studied under the assumption of flavor SU(3) symmetry.
    The global fit reveals a 3.6 sigma discrepancy with the Standard Model.
    Separate fits for Delta S = 0 and Delta S = 1 decays find parameter sets that differ by a factor of 10, suggesting a flavor SU(3) breaking of 1000%, significantly larger than the 20% breaking...

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  33. 5. Complementary probes of light sterile neutrinos at MOMENT and DUNE
    Mr Sambit Kumar Pusty (University of Hyderabad, Telangana, India)
    19/05/2026, 17:45

    Light sterile neutrinos remain one of the most intriguing possibilities for physics beyond the Standard Model, motivated by persistent anomalies in short-baseline experiments such as LSND, MiniBooNE, and reactor measurements. In this work, we investigate the sensitivity of the future experiments MOMENT (medium baseline) and DUNE (long baseline) to light sterile neutrinos within the minimal 3+1...

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  34. 4. Progress of the Super Tau Charm Facility project in China
    Xiaorong Zhou, Xiaorong Zhou (University of Science and Technology of China)
    19/05/2026, 18:00

    The Super Tau-Charm Facility (STCF) is a new-generation high-luminosity electron-positron collider proposed in China. It will operate in an energy range of 2-7 GeV with a luminosity higher than 0.5*10^35 cm^2 s^-1 at 4 GeV. The STCF can produce a large number of hadrons and tau leptons in a clean environment, serving as a unique and powerful tool for studying how quarks form hadrons to...

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  35. 3. Towards Precision Predictions for Inclusive Non-Leptonic B-Meson Decays in the SM and Beyond
    Ali Mohamed (Siegen university)
    19/05/2026, 18:15

    Inclusive non-leptonic $B$-meson decays provide a key testing ground for the Standard Model (SM) and for searches for new physics in the flavour sector. In the framework of the Heavy Quark Expansion (HQE), decay widths are expressed in powers of $1/m_b$, where subleading terms become increasingly important as experimental precision improves.

    In this talk, I present recent progress toward a...

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  36. 8. CP test in Hyperon decays at BESIII
    Andrzej Kupsc
    19/05/2026, 18:30

    With the large datasets on 𝑒+𝑒−-annihilation at the 𝐽/𝜓 and 𝜓(3686) resonances collected at the BESIII experiment, multi-dimensional analyses making use of polarization and entanglement can shed new light on the production and decay properties hyperon-antihyperon pairs. In a series of recent studies performed at BESIII, significant transverse polarization of the (anti)hyperons has been...

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  37. 70. Understanding large local CP violation in \boldmath{$B^\pm\to K^\pm\pi^+\pi^-$} using dispersive methods
    Leon Heuser (HISKP, Bonn)
    19/05/2026, 18:45

    We utilize the universality of pion--pion ($\pi\pi$) final-state interactions at small invariant masses to understand their enhanced local CP violation in $B^\pm\to K^\pm\pi^+\pi^-$, using a dispersive approach. From the integrated CP-asymmetry data, we predict the Dalitz-plot kinematic distribution of the asymmetry in the low-energy $\pi\pi$ region, including the large local CP violation...

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  38. 33. Theory of CPV and mixing in beauty
    Matthew Black
    20/05/2026, 08:30
  39. 34. CPV and mixing in beauty decay
    Franz Muheim (The University of Edinburgh (GB))
    20/05/2026, 09:00
  40. 35. Theory of CPV in charm
    Ulrich Nierste (Karlsruhe Institute of Technology (KIT))
    20/05/2026, 09:30
  41. 36. CPV and mixing in charm (exp.)
    Andrea Villa (EPFL - Ecole Polytechnique Federale Lausanne (CH))
    20/05/2026, 10:00
  42. 41. Time dependent CPV with B -> pi0 pi0 with Belle II
    Mirco Dorigo (INFN Trieste)
    20/05/2026, 11:00
  43. 37. Axions searches (theory)
    Joerg Jaeckel (ITP Heidelberg)
    20/05/2026, 11:30
  44. 38. Axions searches experiment
    Babette Dobrich (Max Planck Society (DE)), Igor Garcia Irastorza (Centro de Astropartículas y Física de Altas Energías (CAPA) / Universidad de Zaragoza (ES))
    20/05/2026, 12:00
  45. 39. Kaon physics theory
    Teppei Kitahara (Nagoya University)
    21/05/2026, 08:30
  46. 40. Kaon Physics Experimental
    Karim Massri (Lancaster University (GB))
    21/05/2026, 09:00
  47. 95. A new measurement of the $K^{+} \rightarrow \pi^{+}\nu\bar{\nu}$ branching ratio at the NA62 experiment
    Letizia Peruzzo, Letizia Peruzzo (Johannes Gutenberg Universitaet Mainz (DE))
    21/05/2026, 09:30

    The $K^{+}\rightarrow\pi^{+}\nu\bar{\nu}$ decay is a golden mode for flavour physics. Using data collected in 2016--2022, NA62 announced the first observation of this decay with a signal significance above $5\sigma$ and the measurement $\mathcal{B}(K^{+}\rightarrow\pi^{+}\nu\bar{\nu}) = \left( 13.0^{+ 3.3}_{- 3.0} \right)\times10^{-11} $. New results from the analysis of the 2023--2024 dataset...

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  48. 98. Looking for CKM Oscillations at Flavour Factories
    Prisco Lo Chiatto (Max Planck Institut Für Physik, Weizmann Institute of Science)
    21/05/2026, 10:30

    Ultralight dark matter, with masses much below 1 eV, can be searched for using time oscillations of Standard Model parameters. Inspired by a recent construction of a model of ultralight dark matter that solves the strong-CP problem using the Nelson-Barr mechanism, I will present the phenomenology of oscillating CKM matrix elements at flavour factories, with particular emphasis on the K factory...

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  49. 66. The $B^{+}−B^{0}_{d}$ Lifetime Differences @ NNLO
    Francesco Moretti
    21/05/2026, 10:45

    The total decay widths of heavy mesons can be systematically calculated
    in terms of an expansion in the two parameters $1/m_Q$ and
    $\alpha_s(m_Q)$, where $Q=c,b$ denotes the heavy quark. The dominant
    contributions to meson lifetime splittings stem from terms which are
    suppressed by $1/m_Q^3$ with respect to the leading universal contribution
    to the total decay width. We calculate...

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  50. 63. Light-cone sum rules with $B$-meson distribution amplitudes for the $B\to p$ form factors in $B$-mesogenesis models
    Dr Aritra Biswas
    21/05/2026, 11:00

    New decay modes of $B$-meson into a baryon and invisible dark antibaryon $\Psi$ are among the most distinctive signatures of the $B$-mesogenesis scenario. We concentrate on the proton mode and consider two versions of the underlying interaction of $\Psi$ with quarks, the so-called models $(d)$ and $(b)$. To estimate the width of the $B^+\to p \Psi $ decay, we obtain the $B^+\to p$ transition...

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  51. 61. Measurements of hadronic $B$ decay rates at Belle and Belle II
    SWARNA PRABHA MAHARANA, Swarna Prabha Maharana (National Institute of Science Education and Research (IN)), Swarna Prabha Maharana
    21/05/2026, 11:15

    The Belle and Belle II experiments have collected a $1.2~\mathrm{ab}^{-1}$ sample of $e^+ e^-\to B\bar{B}$ collisions at a center-of-mass energy corresponding to the $\Upsilon(4S)$. The study of hadronic $B$ decays in these data allows the precise measurement of absolute branching fractions and angular distributions of the decay products. We present an amplitude analysis of three-body...

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  52. 60. Measurements of charm hadrons at Belle and Belle II
    Andrej Lozar (Jozef Stefan Institute (SI)), Andrej Lozar
    21/05/2026, 11:30

    The Belle and Belle II experiments have collected a $1.6~\mathrm{ab}^{-1}$ sample of $e^+e^-$ collision data at center-of-mass energies near the $\Upsilon(nS)$ resonances. These samples contain a large number of $e^+e^-\to c\bar{c}$ events that produce charmed mesons and baryons. We present new results including the observation of the radiative decay $D_s(2317)^+ \to D_s^* \gamma$, a search...

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  53. 97. LCSR-assisted dispersion relation for rare charm decays
    Anshika Bansal (Universität Siegen)
    21/05/2026, 11:45
  54. 88. Overview and status of COMET experiment
    George Adamov (Georgian Technical University (GE))
    21/05/2026, 14:00

    The COMET (COherent Muon to Electron Transition) experiment, conducted at J-PARC (Japan Proton Accelerator Research Complex) using a high-intensity muon beam, aims to search for the neutrinoless conversion of a muon into an electron in the field of an atomic nucleus, where the nucleus remains in its ground state, and the electron is emitted with an energy close to the muon mass, slightly...

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  55. 82. CP violation in Beauty-to-Open-Charm decays at LHCb
    Alberto Bellavista, Alberto Bellavista (Universita Di Bologna (IT))
    21/05/2026, 14:15

    Beauty-to-open-charm decays provide a rich laboratory for studying CP violation, including but not limited to precise measurements of the CKM angle gamma in tree-level B -> D0 h decays, where h denotes a kaon or pion; studies of CP violation in mixing and from potential new physics in Bs -> Ds pi decays; and searches for direct CP violation in double-charm decays. This talk will present recent...

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  56. 78. CPV in charmless B decays at LHCb
    Marco Caporale (Universita e INFN, Bologna (IT))
    21/05/2026, 14:30

    While CP violation (CPV) is well established in meson decays, its observation in baryon decays remains an open challenge. The LHCb experiment, designed to study CP violation in particles containing bb quarks, has collected an unprecedented dataset, offering a unique opportunity to probe CP asymmetries in baryon decays. This talk will present the latest LHCb results on CPV in baryon decays,...

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  57. 76. Recent results from LHCb on charged-current decays of b-hadrons
    Emily Jiang (University of Maryland)
    21/05/2026, 14:45

    Semileptonic b-hadron decays proceed via charged-current weak interactions and provide a powerful laboratory for precision tests of the Standard Model. Their experimental reach benefits from large branching fractions and clean signatures, while theoretical interpretations rely on increasingly robust determinations of the relevant hadronic form factors. Measurements of these modes constrain key...

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  58. 68. New physics searches in beam dump at the NA62 experiment
    Babette Dobrich (Max Planck Society (DE))
    21/05/2026, 15:00

    The NA62 experiment at CERN, designed to measure the highly-suppressed decay $K^{+} \to \pi^{+}\nu\bar{\nu}$, has the capability to collect data in a beam-dump mode, where 400~GeV protons are dumped on an absorber. In this configuration, New Physics particles may be produced in the absorber and decay in an instrumented volume beginning approximately 80 m downstream of the dump. Preliminary...

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  59. 57. Searches for dark sector particles at Belle and Belle II
    Priyanka Cheema
    21/05/2026, 15:15

    The Belle and Belle II experiment have collected samples of $e^+e^-$ collision data at center-of-mass energies near the $\Upsilon(nS)$ resonances. These data have constrained kinematics and low multiplicity, which allow searches for dark sector particles in the mass range from a few MeV to 10 GeV. We present new searches in a $600~\mathrm{fb}^{-1}$ sample collected by Belle II, including...

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  60. 52. Measurements of CKM matrix elements
    Markus Tobias Prim (University of Bonn (DE))
    21/05/2026, 16:00
  61. 43. Charm semileptonic and leptonic decays
    Dr Shulei Zhang (Hunan University (CN))
    21/05/2026, 16:30
  62. 92. Development of a Radiation Monitoring System for the CBM Experiment
    Ivan Voronetskyi (National Academy of Sciences of Ukraine (UA))
    21/05/2026, 17:00

    The Compressed Baryonic Matter (CBM) experiment at the Facility for Antiproton and Ion Research (FAIR) is dedicated to studying the properties of strongly interacting matter under extreme conditions. Operating with the SIS100 synchrotron, which accelerates protons up to 29 GeV and heavy ions up to 10 GeV/nucleon, the experiment will reach unprecedented interaction rates of up to 10 MHz. These...

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  63. 90. Search for the X17 particle with the PADME detector
    William Natale (INFN e Laboratori Nazionali di Frascati (IT))
    21/05/2026, 17:15

    The PADME experiment at the Frascati National Laboratory of INFN has performed a
    search for the hypothetical X17 particle, by observing the product of the collisions
    of the positron beam from the BTF facility of LNF on a diamond fixed target.
    The beam energy has been varied in the range
    265–300 MeV, corresponding to values of √s between 16.4 and 17.5 MeV,
    completely covering the...

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  64. 85. Probing Lepton Flavour Universality with $\Lambda_b$ decays to $\tau^+\tau^-$ final states
    Christiane Mayer
    21/05/2026, 17:30

    We present a study of the rare baryonic decay $\Lambda_b \to \Lambda \tau^+ \tau^-$ as a probe of new physics (NP) coupled preferentially to third-generation fermions. Within the Standard Model, we evaluate the branching ratio and the lepton-flavour-universality (LFU) ratio $R_{\Lambda}^{\tau/\mu}$, including both perturbative and long-distance charm contributions. We show that the LFU ratio...

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  65. 47. Recent results on semileptonic decays of B-mesons
    Fabian Christoph Glaser (Heidelberg University (DE))
    22/05/2026, 08:30
  66. 42. Recent lattice results
    Andreas Juttner (CERN)
    22/05/2026, 09:00
  67. 53. Flavour physics highlights from CMS
    Valeriia Lukashenko (University of Zurich (CH))
    22/05/2026, 09:30
  68. 86. Reconciling hadronic and partonic analyticity in $b \to s \ell \ell$ transitions
    Simon Mutke
    22/05/2026, 10:00

    To search for physics beyond the Standard Model (BSM) some of the most promising and sensitive observables are constituted by flavour-changing neutral-current $B$-meson decays mediated by $b \to s \ell \ell$ transitions. While several hints for deviations from the Standard Model have emerged over the recent years, it has also become clear that a more thorough theoretical understanding of...

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  69. 73. HQET sum rules for matrix elements of dimension-six four-quark operators for meson lifetimes within and beyond the Standard Model
    Martin Lang (University of Siegen)
    22/05/2026, 10:15

    Theory predictions of heavy-hadron lifetime ratios critically depend on precise determinations of the dimension-six spectator effects arising from the double insertion of the weak effective $|\Delta B| = 1$ Hamiltonian.
    In the presence of beyond-standard-model (BSM) operators, the resulting $\Delta B = 0$ Hamiltonian features additional four-quark operators whose matrix elements need to...

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  70. 50. Measurement of the ratio RD(*) = (Br(B—> D(*) τν ) / Βr(B —>D(*) lν ) with the BABAR detector
    Gerald Eigen (University of Bergen (NO))
    22/05/2026, 11:00
  71. 91. New Predictions for the Lifetimes of Doubly Heavy Baryons and the $B_c$ Meson
    Lovro Dulibić (Ruđer Bošković Institute)
    22/05/2026, 11:30

    We present updated predictions for the lifetimes of doubly heavy baryons, incorporating newly computed $\alpha_s$ corrections within the heavy quark expansion. While both the operator product expansion and the perturbative $\alpha_s$ series exhibit good convergence in the $b$-quark sector, we discuss potential issues related to their convergence in charm decays. Numerical predictions are...

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  72. 56. QM Decoherence and Entanglement
    SAGAR HAZRA, Sagar Hazra (Max-Planck-Institute for Physics)
    22/05/2026, 11:45
  73. 45. Future facilities for flavour physics
    Stephane Monteil (Université Clermont Auvergne (FR))
    22/05/2026, 12:15
  74. 46. Closeout
    Nazila Mahmoudi (Universite Claude Bernard Lyon I (FR))
    22/05/2026, 12:45
  75. 29. Neutrinoless double beta decay and neutrino masses
    Prof. Susanne Mertens (Technical University Munich)
  76. 69. TBC
  77. 71. TBC
  78. 21. Theoretical review of exotic states
    Luciano Maiani (Sapienza Universita e INFN, Roma I (IT))
  79. 11. Theory of rare and radiative b decays
    Claudia Cornella