Conveners
Flavor physics and neutrinos
- Stefania Gori (University of California Santa Cruz)
Flavor physics and neutrinos
- Yun-Tse Tsai (SLAC)
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Xiyuan Gao (KIT, Karlsruhe, TTP)19/08/2025, 14:00Flavor physics and neutrinos
It is common practice to explain deviations between data and Standard-Model predictions by postulating new particles at the TeV scale ad-hoc. This approach becomes much more convincing, if one successfully embeds the postulated particles into a UV completion which addresses other conceptual or phenomenological shortcomings of the SM. I present a study of an SO(10) grand unified theory which...
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Jonathan Leon Schubert (Max Planck Society (DE))19/08/2025, 14:20Flavor physics and neutrinos
The $K^{+}\rightarrow\pi^{+}\nu\bar{\nu}$ decay is a golden mode for flavour physics. Its branching ratio is predicted with high precision by the Standard Model to be less than $10^{-10}$, and this decay mode is highly sensitive to indirect effects of new physics up to the highest mass scales. A new measurement of the $K^{+}\rightarrow\pi^{+}\nu\bar{\nu}$ decay by the NA62 experiment at the...
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Christopher Donohue (University of California, Santa Cruz)19/08/2025, 14:40Flavor physics and neutrinos
Analyticity and unitarity constrain broad classes of new physics models by linking flavor-conserving and flavor-violating four-fermion interactions. In this work, we explore how these theoretical relations impact flavor-violating rare top quark decays. Building on our previous results, we present an updated analysis of the decays $t \to q \ell^+ \ell^-$ and identify interesting target...
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Paolo Branchini (Universita e INFN Roma Tre (IT))19/08/2025, 15:00Flavor physics and neutrinos
The Belle and Belle II experiments have collected a $1.6~\mathrm{ab}^{-1}$ sample of $e^+e^-$ collision data at centre-of-mass energies near the $\Upsilon(nS)$ resonances. This sample contains approximately 1.5 billion $e^+e^-\to \tau^+\tau^{-}$ events, which we use to search for lepton-flavour violating decays. We present searches for $\tau\to\ell\gamma$, tau decay to three charged leptons,...
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Daniel La Rocco19/08/2025, 15:20Flavor physics and neutrinos
Heavy Neutral Leptons (HNLs) are a well-motivated extension of the Standard Model which may provide explanations for observed neutrino masses, dark matter, and baryogengesis via leptogenesis. In this work, we present a user-friendly, fast, and flexible python library, HNLCalc, with over 150 HNL production channels and 100 HNL decay modes, which allows for the calculation of production and...
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Victoria Knapp Perez (UCI)22/08/2025, 16:30Flavor physics and neutrinos
Model building in particle physics relies heavily on the intuition of theorists to select appropriate symmetry groups, particle content, and representation assignments. However, the space of viable models is vast. Exploring the space is usually computationally expensive. The challenge lies in the combinatorial complexity of symmetry and representation choices and the computational effort...
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Sam Carey (Wayne State University)22/08/2025, 16:50Flavor physics and neutrinos
As neutrino experiments become more precise and explore a wide range of energies, studying how neutrinos interact with matter has become an important way to test the Standard Model and search for new physics. In this talk, I will present our work on neutrino interactions at both low (MeV) and high (GeV) energy scales. At low energies, we consider coherent elastic neutrino–nucleus scattering...
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Lee Hagaman, Lee Hagaman22/08/2025, 17:10Flavor physics and neutrinos
MicroBooNE is an 85-tonne active mass liquid argon time projection chamber (LArTPC) at Fermilab. The detector, which has an excellent calorimetric, spatial and energy resolution, has collected beam data from two different beamlines between 2015 and 2020. These characteristics make MicroBooNE a powerful detector not just to explore neutrino physics, but also for Beyond the Standard Model (BSM)...
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Avinay Bhat (University of Chicago)22/08/2025, 17:30Flavor physics and neutrinos
The Short-Baseline Near Detector (SBND) is one of the Liquid Argon Time Projection Chamber (LArTPC) neutrino detectors positioned along the axis of the Booster Neutrino Beam (BNB) at Fermilab, and is the near detector in the Short-Baseline Neutrino (SBN) Program. The detector completed commissioning and began taking neutrino data in the summer of 2024. SBND is characterized by superb imaging...
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Clark McGrew (Stony Brook Univ.)22/08/2025, 17:50Flavor physics and neutrinos
T2K is a neutrino experiment that measures neutrino and antineutrino oscillations using a long baseline of 295km, from the neutrino beam source at JPARC in Japan, to the Super-Kamiokande detector in Kamioka. The ND280 near detector at JPARC measures the properties of the neutrino beam prior to oscillations, while SuperK measures the beam after oscillations.
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In this talk, the most recent... -
Zachary Orr (Colorado State University)22/08/2025, 18:10Flavor physics and neutrinos
Cosmologically consistent Dark Matter models which allow for one or more component of the dark sector to receive a Lorentz boost may produce detectable signatures in terrestrial neutrino detectors. The Boosted Dark Matter (BDM) component may interact with the target material through elastic, resonant, or deep inelastic scattering. The aim of this work is to develop an event generator in GENIE...
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Iacopo Vivarelli (Universita e INFN, Bologna (IT))Flavor physics and neutrinos
The large top quark samples collected with the ATLAS experiment at the LHC have yielded measurements of the production cross section of unprecedented precision and in new kinematic regimes. They have also enabled new measurements of top quark properties that were previously inaccessible, enabled the observation of many rare top quark production processes predicted by the Standard Model and...
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