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DTSTART;TZID=America/Chicago:20241206T153000
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DTSTAMP:20260614T114646
CREATED:20241126T221025Z
LAST-MODIFIED:20241126T221025Z
UID:10435342-1733499000-1733504400@uwm.edu
SUMMARY:Physics Colloquium - Professor Scott A. Hughes
DESCRIPTION:Professor Scott A. Hughes\, Dept. of Physics & the Kavli Institute\, MIT  \nHigh-precision Waveforms with the Small-mass-ratio Limit \nCurrent gravitational-wave detectors are being upgraded\, and plans are developing for future detectors with greater sensitivity over broader frequency bands.  As instruments improve and develop\, more cycles of sources’ gravitational waveforms will be measured with greater signal to noise ratio.  Such higher fidelity measurements promise to teach us more about their sources and the nature of strong-field gravity — but only if theoretical modeling of these waves is able to match advances in the detectors.  As we measure waveforms with better precision\, the likelihood increases that systematic modeling errors will affect inferences about what we measure.   \nIn this talk\, I will survey recent progress modeling waveforms from small-mass binaries.  Such binaries\, which exactly describe important low-frequency gravitational wave sources\, also serve as a limit of the more general binary problem that can be modeled with very high precision.  I will discuss the outstanding progress that has been made on this problem in recent years\, and how what we learn in this limit can be combined with other binary modeling techniques to advance modeling for relativistic binaries in general. \nThe event flyer is available here.
URL:https://uwm.edu/physics/event/physics-colloquium-professor-scott-a-hughes/
LOCATION:Chemistry 108\, 2050 E Kenwood Blvd\, Milwaukee\, WI\, 53201\, United States
CATEGORIES:Physics Colloquia
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DTSTART;TZID=America/Chicago:20241213T153000
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CREATED:20241126T135817Z
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SUMMARY:Physics Colloquium - Scott Hertel
DESCRIPTION:Scott Hertel\, Assoc. Professor\, Dept. of Physics\, University of Massachusetts-Amherst  \nRecent Progress Towards the Detection of Dark Matter \nAs you read this\, you are immersed in a bath of particles beyond the Standard Model\, so-called ‘dark matter’ particles which are noticed only through their gravitational effects at astrophysical scales. Discovering the properties of these unseen particles (their mass\, interactions with other particles\, etc.) is one of the great challenges of 21st century physics. \nI will describe two complementary efforts which search for individual dark matter particles in a laboratory setting here on earth: LZ and TESSERACT. Each effort search Centeres for the individual scatters of galactic dark matter particles with atoms here on earth\, and each effort requires the development of novel and interesting technologies. I will update you on our progress towards unraveling this great mystery of physics. \nThe event flyer is available here.
URL:https://uwm.edu/physics/event/physics-colloquium-scott-hertel/
LOCATION:Chemistry 108\, 2050 E Kenwood Blvd\, Milwaukee\, WI\, 53201\, United States
CATEGORIES:Physics Colloquia
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