11–13 May 2026
University of Pittsburgh
US/Eastern timezone

Session

Flavor Physics

11 May 2026, 14:15
University of Pittsburgh

University of Pittsburgh

Presentation materials

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  1. Shaouly Bar-Shalom (Technion, Israel)
    11/05/2026, 14:15

    We define an approximate conserved quantum number ("b-Parity") of the
    SM: $b_P = (−1)^n$, where $n$ is the number of produced b-jets in scattering processes with no $b$-quarks in the initil state. We then apply the concept of b-Parity in the reaction $e + p/A \to n \cdot j_b + X$, to explore new TeV-scale flavor-changing interactions involving the 3rd generation quarks at the EIC; simply by...

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  2. Sohini Pal (University of Cincinnati, OH, USA)
    11/05/2026, 14:30

    Baryon number violation (BNV) provides one of the most sensitive probes of physics beyond the Standard Model. In this work, we investigate rare BNV tau decays induced by effective field theory (EFT) operators, including scenarios with associated dark-sector final states. We demonstrate that any framework generating BNV tau decays necessarily induces proton decay, leading to stringent...

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  3. Dr Girish Kumar (University of South Carolina)
    11/05/2026, 14:45

    The nuclei-assisted transition $\mu^- e^- \to e^- e^-$ in a muonic atom is a striking charged-lepton flavor-violating process that muon-conversion experiments such as Mu2e and COMET will probe. We analyze this process in a simplified axion-like particle (ALP) model with couplings to light charged leptons and, possibly, to a dark sector, and compute the transition rate. The rate scales with the...

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  4. Hridoy Debnath
    11/05/2026, 15:00

    We explore the idea of quark–lepton unification at low energies. In particular, we discuss the minimal framework for matter unification at the multi-TeV scale, in which neutrino masses are necessarily generated via the inverse seesaw mechanism. To assess the testability of this theory for physics beyond the Standard Model, we analyze current experimental constraints and derive the...

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  5. Kumar Pandey (University of Mississippi)
    11/05/2026, 15:15

    Recent measurements of the ratios of branching ratios $R(D) \equiv \frac{\mathcal{B}(\bar{B} \to D \tau^- \bar{\nu}_{\tau})}{\mathcal{B}(\bar{B} \to D \ell^- \bar{\nu}_{\ell})} $ and
    $R(D*) \equiv \frac{\mathcal{B}(\bar{B} \to D^* \tau^- \bar{\nu}_{\tau})}{\mathcal{B}(\bar{B} \to D^* \ell^- \bar{\nu}_{\ell})} $ by the Belle, BaBar and LHCb experiments indicate evidence for New...

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  6. Saad Mohiuddin (Oklahoma State University (US))
    11/05/2026, 15:30

    Many extensions of the Standard Model predict new heavy particles that could appear as resonances decaying into quarks, leptons or photons. Using 13 and 13.6 TeV pp collision data from the LHC, ATLAS explores these signatures, including boosted regimes where high-momentum final states pose unique reconstruction and background estimation challenges. This talk presents recent results and their...

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  7. Arthur Wu
    11/05/2026, 15:45

    The flavor space of particles produced in collider environments contains informative quantum correlations. We present a systematic approach for constructing the complete flavor density matrix for a meson and antimeson system (MM¯ ) in the Bloch vector space at a given time t. We show that the quantum states of B_s^0 and K^0 systems can be efficiently reconstructed to high precision, which not...

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  8. Kaladi Babu
    12/05/2026, 16:30

    We develop a universal seesaw Pati-Salam model which can solve the strong CP problem via parity symmetry. Realistic fermion masses can be generated with the introduction of vector-like fermions belonging to (1,1,15) and (1,1,10) of the gauge group $SU(2)_L \times SU(2)_R \times SU(4)_c$, while keeping the Higgs sector very minimal. Loop-induced corrections to $\overline{\theta}$ are estimated...

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  9. Joachim Brod (University of Cincinnati)
    12/05/2026, 16:45

    I present the results of our calculation of the NNNLO QCD corrections to the mixing of flavor-changing current-current operators. They are relevant for the precision SM prediction of CP violation in neutral kaon mixing. Using this example, I will introduce our public code MaRTIn that can be used for fully automated multi-loop calculations.

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  10. Linda Carpenter
    12/05/2026, 17:00

    Using Light exotics Effective field theory I explore new phenomenological portals to exotic color-charged particles. This talk focuses on portals where new exotic states can be accessed in events that involve one SM quark and lepton, or one Standard model gluon and lepton. The exotica found through this portal go beyond standard lepto-quark or lepto-gluon states and reveal states of large...

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  11. Tomoya Iizawa (University of Tokyo (JP))
    12/05/2026, 17:15

    The Standard Model of particle physics explains many natural phenomena yet remains incomplete. Leptoquarks (LQs) are hypothetical particles predicted to mediate interactions between quarks and leptons, bridging the gap between these two fundamental classes of particles. Vector-like quarks (VLQs) and vector-like leptons (VLLs) lie at the heart of many extensions seeking to address the Hierarchy...

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  12. Margarita Gavrilova (Caltech)
    12/05/2026, 17:30

    In this talk I will present a universal second-order $U$-spin master rate sum rule among the CKM-free Cabibbo-favored (CF), doubly Cabibbo-suppressed (DCS), and singly Cabibbo-suppressed (SCS) decay rates of weak charm decays in the Standard Model,
    \begin{equation}
    \frac{\text{sum of CF and DCS CKM-free rates}}{\text{sum of SCS CKM-free rates}} = 1\,,
    \end{equation}
    which holds up to...

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  13. Jake Pfaller (University of Cincinnati (US))
    12/05/2026, 17:45

    Production of quarkonia states at colliders has been found to disagree with theoretical predictions in a number of ways, such as polarization and isolation. Recent developments in event generators have attempted to remedy these theoretical tensions via production of quarkonia in parton showers with an NRQCD model. In this work, we expand the NRQCD parton shower in Pythia to allow for different...

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  14. Diana Sokhashvili
    12/05/2026, 18:00

    Baryon number violation provides one of the most sensitive probes of physics beyond the Standard Model. Despite this sensitivity, baryon-number-violating effective operators of high mass dimension are generally suppressed compared to those of lower dimension. By studying UV completions of these operators, we identify many cases where certain UV completions generate operators only at or above a...

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  15. Eric Braaten
    12/05/2026, 18:15

    A new zoo consisting of dozens of heavy subatomic particles that contain more than three quarks and antiquarks have been discovered beginning in 2003.  Although they must be described by QCD, the pattern of these exotic heavy hadrons remained unexplained for more than 20 years.  I will present a simple proposal for the pattern based on the Born-Oppenheimer approximation for QCD.  This pattern...

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