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How the result of a measurement of a component of the spin of a spin-1/2 particle can turn out to be 100

Watanabe 420 2505 Correa Road, Honolulu, HI, United States

Speakers: Xerxes Tata (University of Hawaii) Biological materials gain complexity from the programmable nature of their components. To manufacture materials with comparable complexity synthetically, we need to create building blocks with low crosstalk so that they only bind to their desired partners. Canonically, these building blocks are made using DNA strands or proteins to achieve specificity. ... Read more

Event Series Colloquia

Particle Beams and Accelerators: Pushing the Frontiers of Science

Watanabe 112 2505 Correa Road, Honolulu, HI, United States

Speakers: Vladimir Shiltsev (NIU) Over the past three decades, the science of beams has evolved into a distinct discipline with its own subjects and methods. Some 30,000 accelerators are in operation worldwide today, including over 100 of major facilities for fundamental science research.  Around 5,000 accelerator scientists and engineers work in over 50 countries, collaborating ... Read more

Accelerator Research: Opportunities for University Growth and Student Training

Room 420 (Watanabe Hall)

Speakers: Vladimir Shiltev I will discuss key accelerator and beam physics developments that have advanced nuclear and high-energy physics, highlighting their relevance to major future projects such as the Electron-Ion Collider (EIC), Future Circular Collider (FCC-ee, a Higgs Factory at CERN), and the Muon Collider. I will first focus on electron lenses (e-lenses) for beam-beam ... Read more

Enhanced Disruption of Axion Minihalos by Multiple Stellar Encounters in the Milky Way

Room 420 (Watanabe Hall)

Speakers: Chris Gordon (University of Canterbury) If QCD axion dark matter formed post-inflation, axion miniclusters emerged from isocurvature fluctuations and later merged hierarchically into minihalos. These minihalos, potentially disrupted by stellar encounters in the Milky Way, affect axion detectability. We extend prior analyses by more accurately incorporating multiple stellar encounters and dynamical relaxation timescales, simulating ... Read more

Effective Field Theory Approach to Physics Beyond the Standard Model

Room 417A (Watanabe Hall)

Speakers: Xiaochuan Lu (University of California, San Diego) Effective Field Theories (EFTs) have wide reaching applications in particle physics of and beyond the Standard Model (BSM). They also serve as the foundation for our modern understanding of renormalization in Quantum Field Theories. In this talk, I will discuss a few crucial aspects of EFTs, including ... Read more

Symmetries and Particle Physics

Room 420 (Watanabe Hall)

Speakers: Xiaochuan Lu (University of California, San Diego) Symmetry principles are extremely powerful tools for understanding the properties of physics systems generally, including particle physics. The ideas of symmetry are critical for establishing the Standard Model of particle physics and will guide us towards future discoveries. In this talk, I will explain how to make ... Read more

Listening to Spacetime: Phase Space Harmonics and EFT

Room 417A (Watanabe Hall)

Speakers: Brian Henning (Kavli Institute for Theoretical Physics/UCSB) High-energy physics experiments measure distributions of relativistic events across phase space, yet traditionally phase space has served merely as a calculational backdrop. In this seminar, I propose a paradigm shift: viewing phase space as a dynamic, geometric entity deeply entwined with the underlying physics. By treating phase ... Read more

Charting the Uncharted: Hamiltonian Truncation and Real-Time Dynamics in Strongly Coupled Field Theories

Room 112 (Watanabe Hall)

Speakers: Brian Henning (Kavli Institute for Theoretical Physics/UCSB) Strong-coupling phenomena—ranging from exotic meson structures to the rich QCD phase diagram impacting heavy ion collisions, neutron stars, and early-universe transitions—pose challenges that have long eluded our conventional perturbative and lattice tools. In this colloquium, I will present a novel nonperturbative approach based on Hamiltonian truncation (HT), ... Read more

New Physics from New Paradigms

Room 417A (Watanabe Hall)

Speakers: Gilly Elor (University of Texas, Austin) I will present an overview of my short and long term research plans. I will begin by presenting more background behind my colloquium topic: mesogenesis. The goal of my 4-year mesogenesis research plan is to enable the discovery (or complete exclusion) of all variations of this mechanism. I ... Read more

Mesogenesis

Room 112 (Watanabe Hall)

Speakers: Gilly Elor (University of Texas, Austin) What is the Universe made of?  Why do complex structures such as ourselves exist?  I will present my proposal for simultaneously solving both these outstanding mysteries of particle physics: Mesogenesis, which generates both the observed asymmetry of matter over antimatter in the early Universe, and the population of Dark ... Read more

Quantum Discord at the Large Hadron Collider

Room 417A (Watanabe Hall)

Speakers: Matthew Low (University of Pittsburgh) The treatment of outgoing particles at high-energy colliders as qubits in a quantum system has recently enabled the application of quantum information tools to high-energy physics. This began with the study of quantum entanglement between a top quark and an anti-top quark, which has already been measured in experiments ... Read more

Hidden Naturalness in Cosmology and at Colliders

Room 420 (Watanabe Hall)

Speakers: Matthew Low (University of Pittsburgh) One of the enduring mysteries in particle physics is the lightness of the Higgs mass which is known as the electroweak hierarchy problem. Traditionally, colliders have been the leading tool to search for theories that solve this problem. In recent years, however, data from the Large Hadron Collider has ... Read more

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