Events at Physics

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Events on Thursday, December 2nd, 2021

High Energy Seminar
Time: 2:30 pm - 3:30 pm
Place: 4274 Chamberlin Hall
Speaker: Caterina Vernieri, SLAC
Abstract: tbd
Host: Sridhara Dasu
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NPAC (Nuclear/Particle/Astro/Cosmo) Forum
A "cool” copper collider to unveil the Higgs boson’s secrets
Time: 2:30 pm - 3:30 pm
Place: 4274 Chamberlin and Zoom:
Speaker: Caterina Vernieri, SLAC
Abstract: The Higgs boson was discovered in 2012 by the ATLAS and CMS experiments at the world’s most powerful particle collider, the Large Hadron Collider (LHC) in Geneva, Switzerland. This particle plays a unique role in fundamental physics. It gives all of the known elementary particles, including itself, their masses. While we now have a strong evidence that the Higgs field is indeed the unique source of mass for the known elementary particles, the next step is to search for new interactions that could also explain why the Higgs field has the properties required by the Standard Model of particle physics. We have no clear roadmap to this new theory but the Higgs boson plays a crucial role in this quest. The goal of a next-generation e+e- collider is to carry out precision measurements to per-cent level of the Higgs boson properties that are not accessible at the LHC and HL-LHC. In this talk will we present the study of a new concept for a high gradient, high power accelerator with beam characteristics suitable to study the Higgs boson, the Cool Copper Collider (C^3), with the goal of significantly reducing capital, footprint and operating costs. We will present a timeline for such a collider to enable Higgs boson precision measurements exploring increasing energies for the center-of-mass collisions. The exploitation of the complementarity between LHC and future colliders will be the key to understanding fundamentally the Higgs boson. Zoom video link: Passcode: 6m!^nfpQ
Host: Sridhara Dasu
Presentation: c3-2021_Madison.pdf
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Astronomy Colloquium Zoom Talk
The Nancy Grace Roman Space Telescope and its H4RG-10 Detectors
Time: 3:30 pm - 5:00 pm
Place: This will be a Zoom Talk. Information to Follow soon.
Speaker: Gregory Mosby, NASA
Abstract: We have learned that our universe seems to be composed of significant amounts of invisible matter called dark matter and an unexpected dark energy driving the universe’s accelerating expansion. In the last few decades, we have also uncovered large populations of new worlds called exoplanets orbiting the stars of our Galaxy. These discoveries represent just a sample of the mysteries to investigate in our efforts to understand the universe. And to understand the universe, we must understand all its components. The Nancy Grace Roman Space Telescope will support this effort. The Roman Space Telescope with its Wide Field Instrument and the Coronagraph Instrument will help us study dark matter, dark energy, exoplanets, and more at infrared wavelengths. At the heart of the Roman Space Telescope are 18 newly designed infrared detectors the H4RG-10s. These detectors represent the state of the art in space-based detector technology. We will review the development and the performance of the flight lot detectors for the Roman Space Telescope, and we’ll cover the latest news from the project. The Roman Space Telescope will be an asset in the next decade, providing unprecedented wide and sensitive infrared surveys of the sky. These surveys by Roman will be key in helping us answer the open questions about the universe. This is a virtual talk. Please see the link below:
Host: Professor Ellen Zweibel
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