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21st Conference on Flavor Physics and CP Violation (FPCP 2023)

29 May 2023 to 2 June 2023
IP2I - Lyon University
Europe/Zurich timezone

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Session

Parallel Talks

30 May 2023, 11:00
Amphi Dirac (IP2I - Lyon University)

Amphi Dirac

IP2I - Lyon University

Institute of Physics of the 2 Infinities 4 Rue Enrico Fermi 69100 Villeurbanne France

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  1. 137. Bs->J/Psi Phi in ATLAS
    Alexander Thaler (University of Innsbruck (AT))
    30/05/2023, 11:00
  2. 10. Implications of $A_4$ modular symmetry on neutrino mass, mixing and leptogenesis with linear seesaw
    Rukmani Mohanta (University of Hyderabad)
    30/05/2023, 11:00
    Parallel talks

    Motivated by the crucial role played by the discrete flavour symmetry groups in explaining the observed neutrino oscillation data, we consider the application $A_4$ modular symmetry in the linear seesaw framework. The basic idea behind using the modular symmetry is to minimize the necessity of the inclusion of extra flavon fields having specific vacuum expectation value (VEV) alignments. ...

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  3. 121. Measurements of $b \to s \mu^+ \mu^-$ transitions at LHCb
    Jake Reich (University of Bristol (GB))
    30/05/2023, 11:00
  4. 132. Flavor and lepton number violation in Effective interactions of heavy Majorana neutrinos: collider phenomenology.
    Lucia Duarte
    30/05/2023, 11:15
  5. 138. Measurement of $B^0$ and $B_s^0$ mixing phases at LHCb
    Ramon Angel Ruiz Fernandez (IGFAE)
    30/05/2023, 11:15
  6. 122. Rare decays at CMS
    Luca Guzzi (Universita & INFN, Milano-Bicocca (IT))
    30/05/2023, 11:15
  7. 139. Charm physics at BES III
    Martin Tat (University of Oxford (GB))
    30/05/2023, 11:30
  8. 133. Riding the Seesaw: What Higgsstrahlung May Reveal about Massive Neutrinos
    Adam Lackner (UNSW)
    30/05/2023, 11:30
  9. 123. Tests of Lepton Flavour Universality and searches for Lepton Flavour Violation at LHCb
    Sebastian Schmitt (Rheinisch Westfaelische Tech. Hoch. (DE))
    30/05/2023, 11:30
  10. 124. Lepton Flavour Universality tests using semileptonic b-hadron decays
    Guy Henri Maurice Wormser (Université Paris-Saclay (FR))
    30/05/2023, 11:45
  11. 107. Searching for the flavon at current and future colliders
    Eetu Loisa (University of Cambridge)
    30/05/2023, 11:45
    Parallel talks

    The B3−L2 Z′ model may explain some gross features of the fermion mass spectrum as well as the b -> sll anomalies. The Z' acquires its mass via a TeV-scale scalar field, the flavon (θ), whose VEV spontaneously breaks the family non-universal gauged U(1) symmetry. In this talk, I will discuss the phenomenology of the flavon field. After introducing the model, with an emphasis on its scalar...

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  12. 72. SM prediction for the CP asymmetries in two-body hadronic charm decays
    Eleftheria Solomonidi (IFIC (CSIC, Univ. of Valencia))
    30/05/2023, 11:45
    Parallel talks

    Charm Physics is highly topical in the current flavour landscape, especially after the announcement by LHCb of the measurement of direct CP asymmetries in the separate decays of $D^0\rightarrow K^+K^-$ and consequently $D^0\rightarrow \pi^+\pi^-$, which was preceded by the discovery of direct CP violation in the difference of these two asymmetries. The experimental result is extremely...

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  13. 134. Is the Muon A Third Family Lepton?
    Shahram Vatani
    30/05/2023, 12:00
  14. 125. Recent Belle II results on lepton universality in semileptonic decays
    Peter Lewis (University of Bonn)
    30/05/2023, 12:00
  15. 140. Recent Belle II results on time-dependent CP violation and charm physics
    Jake Bennett
    30/05/2023, 12:00
  16. 135. Lepton-flavour-violating constraints from triality
    Gabriela Lichtenstein (UNSW)
    30/05/2023, 12:15
  17. 141. Mixing and CPV in charm decays at LHCb
    Serena Maccolini (Technische Universitaet Dortmund (DE))
    30/05/2023, 12:15
  18. 126. New CMS results on heavy flavour production and flavour anomalies
    Matthew Jones
    30/05/2023, 12:15
  19. 14. CP violation in T2HK and DUNE with non-standard interaction
    Anjan Giri (IIT Hyderabad)
    30/05/2023, 14:00

    CP violation in the quark sector has been established, which is described by the CKM phenomenon, and we are entering the precision era as far as Flavor physics is concerned. Accumulation of more data from the LHCb and Belle II experiments will, hopefully, guide us to the pathway to physics beyond the standard model. But the tiny CP asymmetry observed in the quark sector cannot explain the...

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  20. 142. Recent Belle II results on hadronic B decays
    Sebastiano Raiz
    30/05/2023, 14:00
  21. 127. Recent Belle II results on radiative and electroweak penguin decays
    Jacopo Cerasoli (Université de Strasbourg, CNRS, IPHC, UMR 7178, 67037 Strasbourg, France)
    30/05/2023, 14:00
  22. 128. A new puzzle in non-leptonic $B$ decays
    Aritra Biswas (Institut de Física d'Altes Energies (IFAE))
    30/05/2023, 14:15
  23. 143. Rare B meson decays to baryonic final states
    Pablo Baladron Rodriguez (Universidade de Santiago de Compostela (ES))
    30/05/2023, 14:15
  24. 80. Recent Dark Matter related searches with the $BABAR$ detector.
    Sandrine Emery (Université Paris-Saclay (FR))
    30/05/2023, 14:15
    Parallel talks

    We present the most recent $BABAR$ searches for Dark-matter states with masses below the electroweak scale.The results are based on the full data set of about 470 $\text{fb}^{-1}$ collected at the $\Upsilon(4S)$ resonance by the $BABAR$ detector at the PEP-II collider.
    They include, in particular, a search for decays like $B^{0}\to\psi_{D} {\cal B}$ where $\cal{B}$ is a baryon (proton,...

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  25. 129. Global fits of b->dll
    Hector Gisbert
    30/05/2023, 14:30
  26. 82. Model-independent extraction of form-factors and $|V_{cb}|$ in $\overline{B}\to D\ell^m \overline{\nu_\ell}$ with hadronic tagging at $BABAR$
    Marcello Rotondo
    30/05/2023, 14:30
    Parallel talks

    Employing the full $BABAR$ dataset, the first two-dimensional unbinned angular analysis of the semileptonic decay $\overline{B}\to D\ell^m \overline{\nu_\ell}$ is performed in both $q^2$ and lepton helicity angle, making use of the hadronic reconstruction of the tag-side $B$ meson. Here $\ell$ stands for an electron or a muon. A novel data-driven signal-background separation procedure with...

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  27. 136. Recent tau and dark-sector results at Belle II
    Geraldine Raeuber
    30/05/2023, 14:30
  28. 5. A new Scattering and Neutrino Detector at the LHC (SND@LHC)
    Daniele Centanni (Universita e INFN sezione di Napoli (IT))
    30/05/2023, 14:45
    Parallel talks

    SND@LHC is a compact and stand-alone experiment to perform measurements with neutrinos produced at the LHC in a hitherto unexplored pseudo-rapidity region of 7.2 < 𝜂 < 8.6, complementary to all the other experiments at the LHC. The experiment is located 480 m downstream of IP1 in the unused TI18 tunnel. The detector is composed of a hybrid system based on a 800 kg target mass of tungsten...

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  29. 144. Recent Belle II results on the CKM parameters |V_cb| and |V_ub|
    Philipp Horak (HEPHY Vienna)
    30/05/2023, 14:45
  30. 106. Synergies of Drell-Yan, beauty, top, and Z observables in global SMEFT fits
    Lara Nollen (TU Dortmund)
    30/05/2023, 14:45
    Parallel talks

    The Standard Model Effective Field Theory (SMEFT) is a powerful tool to search for new physics in a model-independent way. We explore the synergies arising from different types of observables in a combined, global SMEFT fit. Specifically, we investigate the combination of top-quark measurements, $b\to s$ flavor changing neutral current transitions, $Z \to b\bar b$ and $Z \to c\bar c$, as well...

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  31. 21. Cabibbo angle anomalies and a global fit to vector-like quarks
    Matthew Kirk (ICCUB, Barcelona)
    30/05/2023, 15:00
    Parallel talks

    Theoretical developments over the last few years have lead to large shifts in the nuclear corrections to superallowed beta decays, albeit with enlarged uncertainties given different theoretical approaches. Nevertheless, this has lead to a shift in the value of $V_{ud}$, and a discrepancy when compared to the value implied by CKM unitarity.
    On top of this, improved precision in lattice QCD...

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  32. 145. Measurements of charmonia decays from BESIII
    Han Miao (University of Chinese Academy of Sciences (CN))
    30/05/2023, 15:00
  33. 19. New results for searches of exotic decays with NA62 in beam-dump mode
    Jan Jerhot
    30/05/2023, 15:00
    Parallel talks

    We report on the search for visible decays of exotic mediators from data taken in "beam-dump" mode with the NA62 experiment. The NA62 experiment can be run as a "beam-dump experiment" by removing the Kaon production target and moving the upstream collimators into a "closed" position. More than $10^{17}$ protons on target have been collected in this way during a week-long data-taking campaign...

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  34. 108. New LCSR predictions for b → s hadronic form factors
    Yann Monceaux
    30/05/2023, 15:15
    Parallel talks

    Deviations from the Standard Model have long been observed in semileptonic B-meson decays, notably b→ sll transitions, triggering speculations on potential New Physics effects in this sector. After the recent update of RK(*) and BR(B(s) → μμ) by the LHCb collaboration, the sole remaining significant deviations from the SM in FCNC B decays are found in the branching ratios of mesonic decays...

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  35. 120. Recent quarkonium results at Belle II
    Alessandro Boschetti
    30/05/2023, 15:15
  36. 20. Searches for baryon number violation in the HIBEAM-NNBAR experiment at the European Spallation Source
    Bernhard Meirose (Stockholms Universitet + Lunds Universitet)
    30/05/2023, 15:15
    Parallel talks

    The HIBEAM-NNBAR program is a proposed two-stage experiment at the European Spallation Source (ESS) designed to to search for baryon number violation, which is – together with C and CP violation – one of the three fundamental Sakharov conditions to explain the observed baryon asymmetry of the Universe. Taking advantage of the ESS' unique capabilities as the future brightest neutron source, the...

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  37. 146. Latest results on exotic hadrons from CMS
    Jingqing Zhang (Tsinghua University (CN))
    30/05/2023, 15:30
  38. 22. On the contribution of the electromagnetic dipole operator to the $\bar B_s \to \mu^+\mu^-$ decay amplitude
    Nicolas Seitz (Siegen University)
    30/05/2023, 15:30
    Parallel talks

    We report on the construction of a factorization theorem that allows to
    systematically include QCD corrections to the contribution of the
    electromagnetic dipole operator O7 to the $\bar B_s \to \mu^+\mu^-$
    decay amplitude. We elaborate on how the occurring endpoint divergences
    appearing in individual momentum regions cancel, and show how the
    resulting rapidity logarithms can be isolated...

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  39. 92. The n2EDM experiment at PSI.
    Thomas BOUILLAUD (LPSC, CNRS.)
    30/05/2023, 15:30
    Parallel talks

    Electric dipole moments (EDMs) in spin 1/2 particles such as the neutron or the electron are highly sensitive probes for CP violation beyond the Standard Model, which is required in order to fully explain the baryon asymmetry in the universe. n2EDM is an experiment in the commissioning phase at the Paul Scherrer Institute and one leading effort to search for the neutron EDM. The nEDM...

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  40. 147. Heavy flavor production in pp collisions at LHCb
    Jialu Wang (Peking University (CN))
    30/05/2023, 15:45
  41. 130. Meson light-front wavefunctions-applications to B transition form factors
    Mohammad Ahmady
    30/05/2023, 15:45
  42. 81. Results on exotic hadronic resonances with the ATLAS detector
    Marcella Bona (Queen Mary University of London (UK))
    30/05/2023, 15:45
    Parallel talks
  43. 89. Exotic bound state measurements with ALICE at the LHC
    Annalisa Mastroserio (Universita degli studi di Foggia (IT))
    Parallel talks

    Nuclear collisions at LHC energies are a unique opportunity to study hadronization mechanisms and the formation of exotic states. The ALICE experiment has excellent capabilities of identifying hadrons in a wide momentum range. This represents a great advantage in searches for exotic QCD bound states originated from a medium of deconfined QCD matter. The data collected so far allow to search...

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  44. 93. Flavor seesaw mechanism
    Sophie Klett
    Parallel talks

    In the Standard Model, Yukawa couplings parametrize the fermion masses and mixing angles with the exception of neutrino masses. The hierarchies and apparent regularities among the quark and lepton masses are, however, otherwise a mystery.
    In this talk I discuss a class of model having vector-like fermions that can potentially address this problem and provide a new mechanism for fermion mass...

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  45. 131. Implications of $A_4$ modular symmetry on neutrino mass, mixing and leptogenesis with linear seesaw
    Dr. Rukmani Mohanta
  46. 118. Lifetimes of heavy hadrons
    Blazenka Melic
    Parallel talks

    We present our predictions for lifetimes, lifetime ratios and semileptonic decay widths of singly-charm (bottom) mesons and baryons as well as of double-charm baryons within the Heavy Quark Expansion (HQE) framework, including all known corrections.
    We find an excellent agreement between the data and the experiment for the case of singly-charmed and bottom hadrons. In particular, in contrast...

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