Alumni

Film Screening of Unconformity and Moderated Conversation with Writer and Director Jonathan DiMaio '09

An ambitious, rock-climbing geology student defies her imperious advisor to travel to the Nevada high desert, where a career-defining discovery and an unexpected friendship with a young cattle rancher force her to make life-altering decisions. Unconformity is the story of a friendship tested in the American West, framed by geology, rock climbing, land rights, exploitation in academia, and the climate crisis.
Join us for a post-film moderated conversation with writer and director Jonathan DiMaio ‘09.

NPA Seminar: Maximiliano Silva-Feaver, University of California, San Diego and The Center for Computational Astrophysics at the Flatiron Institute, “Microwave SQUID Multiplexer Development for the Simons Observatory”

The Simons Observatory is a next generation cosmic microwave background (CMB) observatory sited at Cerro Toco in the Atacama Desert in Chile, scheduled to begin site commissioning in early 2023. It consists of three low angular resolution telescopes dedicated to measuring the degree scale B-mode signal generated from gravitational waves during inflation and one high angular resolution telescope focused on measuring secondary arcminute scale effects.

Dissertation Defense: Ako Jamil, Yale University, “Rare Event Searches in Liquid Xenon with EXO-200 and nEXO”

Noble liquid time projection chambers are ubiquitously used to search for rare events such
as neutrinoless double beta decay or dark matter interactions. A detailed understanding of
light and charge transport in liquid xenon is of the utmost importance when modeling the
performance of these experiments.
In this talk I will present the design and physics reach of the proposed nEXO experiment,

NPA Seminar, Simone Mazza, UCSC, "4D tracking technologies and R&D"

Precision Timing information at the level of 10-30ps is a game changer for detectors at future collider experiments. For example, the ability to assign a timestamp with 30ps precision to particle tracks will mitigate the impact of pileup at the High-Luminosity LHC (HL-LHC). With a time spread of the beam spot of approximately 180ps, a track time resolution of 30ps allows for a factor of 6 reduction in pileup. HL-LHC will only be the first in HEP experiments to exploit the concept of 4D tracking using time as one of the parameters.

NPA Seminar, Rene Bellwied, University of Houston, “From the Initial to the Final State - Quantum Entanglement in Relativistic Particle Collisions”

Collective quantum effects should play a significant role in the formation of hadrons from a deconfined and chirally symmetric state of matter. Yet most of our models ignore these effects or treat them as corrections after the dynamic calculation (e.g. color reconnection effects in PYTHIA). I will try to show that there is a direct connection between the entanglement entropy in the initial state and the thermodynamic entropy in the final state at least for elementary collisions where not too many decoherence effects are expected.

NPA Seminar, Yoshitaka Hatta, Brookhaven National Laboratory, “Azimuthal Angular Asymmetry of Soft Gluons in Jet Production”

We investigate the impact of soft gluon resummation on the azimuthal angle correlation between the total and relative momenta of two energetic final state particles (jets). We show that the initial and final state radiations induce sizable cos(ϕ) and cos(2ϕ) asymmetries in single jet and dijet events, respectively.

NPA Seminar, Alex Fieguth, Stanford University, “Probing Fundamental Physics With Levitated Force Sensors”

Microspheres have been the first objects optically levitated by Arthur Ashkin in the 1970s. While the technology itself was successfully used to trap atoms to explore new physics, the actual utilization of microspheres and other macroscopic objects as a useful tool for physics has emerged in the recent years. The unique properties of those levitated objects allows to deploy them as sensors with unmatched properties and advantages.

YSEA Spring Into Books 2022 with Author Alvin Saperstein ’56 PhD, ‘Physics: Energy in the Environment’

Join us for a Yale Science and Engineering Association virtual conversation with Dr. Alvin M. Saperstein ’56 PhD, professor of physics emeritus and executive board member of the Center for Peace and Conflict Studies at Wayne State University as well as the former editor of the Physics and Society, a quarterly journal of the Forum on Physics and Society of the American Physical Society. He has been a Foster Fellow at the U.S.

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