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Events

Physics Colloquium: Justin Burton

Riddick 301 2401 Stinson Drive, Raleigh, NC, United States

Title: Learning force laws in many-body systems Abstract: Scientific laws that describe natural systems may be more complex than our intuition can handle, and thus how we discover laws must change. Machine learning (ML) models can analyze large quantities of data, but their structure should match the underlying physical constraints to provide useful insight. Here…

Triangle Nuclear Theory Seminar: Feng Yuan

Riddick 400P 2401 Katherine Stinson Dr, Raleigh, NC, United States

Dr. Feng Yuan Lawrence Berkeley National Laboratory Title: Nucleon Energy Correlators for the Color Glass Condensate Abstract: In this talk, we will present a proposal to unveil the hadron tomography through the nucleon energy-energy correlators (NEEC) at the future electron-ion collider (EIC). In particular, we will show that the gluon saturation at small-x predicts a…

Triangle Nuclear Theory Seminar: Wally Meltnichouk

Riddick 400P 2401 Katherine Stinson Dr, Raleigh, NC, United States

Dr. Wally Meltnichouk Title: Unraveling the Three-dimensional Structure of the Pion Abstract: We review recent work by the JAM Collaboration towards extracting the three-dimensional structure of the pion from simultaneous global QCD analysis of collinear parton distribution functions (PDFs) and transverse momentum dependent distributions (TMDs). We explore the constraints on pion PDFs from recent lattice QCD data on reduced…

CMB Seminar: Jose Castaneda

Riddick 314

Title: Photodecomposition in Methylammonium Lead Triiodide Thin Films Abstract: Organic-inorganic hybrid perovskites have shown remarkable photovoltaic properties while being solution and low-temperature processable. However, long-term applications are limited by instability arising from the material’s surface and photoexcitation. With above bandgap excitation Raman spectroscopy, the photodegradation process of methylammonium lead triiodide (MAPbI 3 ) was monitored.…

CMB Seminar: Christa Baker

Riddick 314

Title: Neural network and genetic basis of acoustic communication behaviors in Drosophila Abstract: Animals use sounds to communicate in a wide range of contexts. In turn, auditory systems must encode relevant sound features to drive appropriate reactions. However, how auditory feature detection emerges in neural networks has been difficult to solve due to challenges in…

Final Defense – Keith Mann

Riddick 415

Measuring the Coherent Elastic Neutrino-Neutron Scattering Cross Section in Germanium

Physics Colloquium: Rob Simcoe

Title: The Production and Dispersal of Heavy Elements in the Early Universe Abstract:       In the first billion years after the Big Bang, early generations of stars produced light which ionized intergalactic gas, and the first heavy elements of the periodic table via nuclear fusion and neutron capture. Infrared observations of quasars in…