Faculty

WIDG Seminar: Lauren Saunders, Yale University, "Telescope Pointing for the Simons Observatory"

The Simons Observatory is a Cosmic Microwave Background (CMB) experiment soon to be deployed in the Atacama Desert in Chile. The observatory will consist of three Small Aperture Telescopes designed to search for inflationary B-mode polarization signatures, and one higher-resolution Large Aperture Telescope designed to constrain cosmological parameters including the sum of the neutrino masses, the number of relativistic species, the Hubble constant, dark matter and dark energy.

Kuheli Dutt Seminar: “Diversity, Equity, and Inclusion: Addressing Systemic Racism in STEM”

STEM fields tend to lack diversity, with minorities (women, people of color, LGBTQ+ individuals) facing challenges and typically leaving these fields at higher rates than majority groups. In the geosciences, racial diversity has not increased in the past forty years. The less diverse a field, the greater the reliance on stereotypes and implicit biases, which in turn disproportionately impacts marginalized groups.

WIDG Seminar: Carl Rethmeier, Carleton University: "Measurement of Alpha-Decaying Backgrounds and the Search for 5.5 MeV Solar Axions in DEAP-3600"

DEAP-3600 is a liquid argon (LAr) based spin-independent direct dark matter search experiment. It is designed to detect nuclear recoils induced by the elastic scattering of weakly interacting massive particles (WIMPs) on argon nuclei. Last year, DEAP-3600 reported its second physics result that included the best reported upper limit on the WIMP-nucleon spin-independent cross section on a LAr target of 3.9×10^−45 cm^2 for a 100 GeV/c^2 WIMP mass at 90% C. L.

WIDG Seminar: Carel Rethmeier: "Measurement of Alpha-Decaying Backgrounds and the Search for 5.5 MeV Solar Axions in DEAP-3600"

DEAP-3600 is a liquid argon (LAr) based spin-independent direct dark matter search experiment. It is designed to detect nuclear recoils induced by the elastic scattering of weakly interacting massive particles (WIMPs) on argon nuclei. Last year, DEAP-3600 reported its second physics result that included the best reported upper limit on the WIMP-nucleon spin-independent cross section on a LAr target of 3.9×10^−45 cm^2 for a 100 GeV/c^2 WIMP mass at 90% C. L.

WIDG Seminar: Chitres Guria, Yale University, "Topological structures and dynamics in an optomechanical system with exceptional points"

A system whose time evolution is linear, i.e. dx/dt= -iH.x, shows non-trivial topological structures and dynamics when the effective Hamiltonian H is allowed to be any complex matrix, which includes all Hermitian and non-Hermitian matrices. Previous works have investigated a system of two optomechanically coupled oscillators, described by a non-Hermitian 2x2 effective Hamiltonian H parametrized by two independent control parameters.

NPA Zoom Seminar, Magdalena Djordjevic, Institute of Physics Belgrade, "Exploring QGP properties of through rare high-pt light and heavy flavor probes"

High-pt theory and data are traditionally used to explore high-pt parton interactions with QGP, while QGP bulk properties are explored through low-pt data and corresponding models. However, with a proper description of high-pt parton-medium interactions, rare high-pt light and heavy flavor can also be a powerful tool for inferring bulk QGP properties, as they are sensitive to global QGP parameters.

Wright Lab Computing Workshop: Preparing a personal website with GitHub pages

Led by Tom Langford, YCRC and Wright Lab
We will go through creating personal/academic and project-based websites. This is a great way to showcase your research portfolio when applying for postdocs or external positions. 
This will be a hands-on session, so please:
Create a free GitHub account (https://education.github.com
Bring some content that you would like to put on your website

NPA Seminar (virtual): Jan Behrens, KIT, "The KATRIN experiment: The Challenge of Determining the Absolute Neutrino Mass"

The KArlsruhe TRItium Neutrino experiment probes the absolute neutrinomass scale via the β-decay kinematics of molecular tritium. With a sensitivity goal of 0.2 eV/c² at 90% CL, it provides model-independent input to both particle theory and cosmology. The source is highly pure, cryogenic T₂ gas. The electrons resulting from β-decay are guided along magnetic field lines toward a high-resolution, integrating spectrometer for

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