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Kairui Zhang (University of Oklahoma)19/11/2025 13:30
We explore flavored resonant leptogenesis embedded in a neutrinophilic 2HDM. The mass pattern of the right-handed neutrinos~(RHNs) is generated by invoking a softly broken U(1) lepton family number difference symmetry. Such a symmetry features two degenerate heavy RHNs and a massless one. The soft breaking then generates a small splitting between the two heavier one, while also generating mass...
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Abhik Sarkar (Indian Institute of Technology Guwahati)19/11/2025 13:45
Lepton number violation (LNV) is a key signal of physics beyond the Standard Model, often linked to neutrino mass generation and baryogenesis. In this talk, I will present our study of dimension-seven $\Delta L = 2$ SMEFT operators at a same-sign muon collider, focusing on the process $\mu^+\mu^+ → W^+W^+ / W^+qq'$ at $\sqrt{s} = 2$ TeV with 1 ab$^{-1}$ luminosity, inspired by the $\mu$TRISTAN...
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Thomas Leplumey (LLR)19/11/2025 14:00
The anomalous magnetic moment of the muon, or muon $g-2$, stands as one of the most precise tests of the Standard Model and a sensitive probe for potential new physics. With the final results from the Fermilab E989 experiment released in June 2025, and the second White Paper of the Muon $g-2$ Theory Initiative published in May 2025, the status of muon $g-2$ has entered a new and critical...
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Prof. Gerald Eigen19/11/2025 14:15
We present the most recent BABAR searches for reactions that could simultaneously explain the presence of dark matter and the matter-antimatter asymmetry in the Universe. This scenario predicts exotic B-meson decays into an ordinary-matter baryon and a dark-sector anti-baryon D with branching fractions accessible at the B factories. The results are based on the full data set of about 430 fb−1...
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Sourav Dey (KEK)19/11/2025 14:30
Dark sector and tau physics at Belle and Belle II
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Dr Antonio Uras (IP2I Lyon)19/11/2025 14:45
At extreme temperature and energy density conditions, achievable in the laboratory by colliding heavy nuclei at ultra-relativistic energies, strongly-interacting matter undergoes a transition from its condensed, hadronic phase to the deconfined, partonic phase named quark-gluon plasma (QGP). The main goal of the ALICE physics program is to investigate the properties of the QGP at the CERN LHC,...
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Kai-Feng Chen (National Taiwan University)19/11/2025 15:00
The high center-of-mass energy and luminosity of the LHC have enabled the production of millions of top quarks, providing an unprecedented opportunity to study top quark properties and related observables with high precision. As the heaviest known elementary particle, the top quark plays a unique role in the Standard Model and is a sensitive probe for potential new physics. This talk will...
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Priyanka Boora (Malaviya National Institute of Technology Jaipur)19/11/2025 15:15
We present a model independent study of the semileptonic decay $\Lambda_c^- \to \Lambda \mu^- \bar\nu_{\mu}$ in the presence of right-handed neutrinos, focusing on possible new physics contributions to the second-generation transition $\bar{c} \to \bar{s} \mu^- \nu_{\mu}$. Our analysis is carried out within the Standard Model Effective Field Theory (SMEFT) framework, where we parameterize new...
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Rishabh Mehta (KEK)19/11/2025 16:00
Measurements of the Cabibbo-Kobayashi-Maskawa quark-mixing matrix at Belle and Belle II
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Zuzana Kucerova (CERN)19/11/2025 16:15
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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Ya-Juan Zheng19/11/2025 16:30
Toponium is the color-singlet bound state of top quark and antitop quark. We study the signature of toponium formation at the LHC.
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Shaowei Song19/11/2025 16:45
The H→gammagamma decay channel provides a clean final-state topology that allows the mass of a Higgs boson to be reconstructed with high precision. This presentation will show the latest results of the search for resonant di-Higgs production where one of the Higgs bosons decays to diphoton, using CMS data.
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Prof. Qing Lin (University of Science and Technology of China)19/11/2025 17:00
The existence of magnetic monopoles (MMs) remains one of the most enduring questions in particle physics. They are theorized to play a crucial role in explaining the quantization of electric charge. According to the Grand Unified Theory (GUT), MMs were produced during the separation of the strong and electroweak forces, an event that occurred shortly after the Big Bang. Previous efforts to...
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Dr Rahul Tiwary (IN2P3)19/11/2025 17:15
Measurements of electroweak penguin and lepton-flavour violating $B$ decays to final states with missing energy at Belle and Belle II
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Lubos Bician19/11/2025 17:30
The NA62 experiment at CERN collected the world's largest dataset of charged kaon decays, leading to the most precise measurement of the branching ratio of the ultra-rare $K^+ \rightarrow \pi^+ \nu \bar\nu$ decay. In this talk NA62 reports recent results from precision measurements of kaon and pion decays, using data samples collected in 2017-2018.
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A sample of $K^+ \rightarrow \pi^+ \gamma... -
ATLAS Collaboration (CERN)
Searches for axion-like-particles (ALPs) are presented using LHC collision data collected by the ATLAS experiment during Run 2 and Run 3. The searches use novel reconstruction and identification techniques, covering a mass range of ALPs below the Z-boson mass.
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