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Events at Physics

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Events During the Week of February 7th through February 14th, 2021

Monday, February 8th, 2021

NPAC (Nuclear/Particle/Astro/Cosmo) Forum
"Data Analysis and Simulations of Compact Objects and Performance of the X-Calibur Telescope"
Time: 11:00 am
Place: Zoom meeting
Speaker: Banafsheh Beheshitour, Postdoctoral Fellow, Max Planck Institute for Gravitational Physics, Hannover, Germany
Abstract: Join Zoom Meeting: https://uwmadison.zoom.us/j/99827220470?pwd=enA2V3ZRK1VYaEpZZHZOWXk3bUw1dz09
Meeting ID: 998 2722 0470
Passcode: 937974
Find your local number: https://uwmadison.zoom.us/u/abZE1fYiH
Host: Justin Vandenbroucke
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Plasma Physics (Physics/ECE/NE 922) Seminar
Stellarator Optimization in the 2020s
Time: 12:00 pm
Place: Zoom Meeting
Speaker: Aaron Bader, UW-Madison
Abstract: Chris Hegna is inviting you to a scheduled Zoom meeting.

Join Zoom Meeting
https://uwmadison.zoom.us/j/91835419103?pwd=YXhDdGlFeEZtc0c0MlZySUp0Q1FrUT09

Meeting ID: 918 3541 9103
Passcode: 578475
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Meeting ID: 918 3541 9103
Passcode: 578475
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Meeting ID: 918 3541 9103
Passcode: 578475
Host: Chris Hegna
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Plasma Theory Seminar
no Plasma Theory Seminar
Time: 4:00 pm
Place:
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Tuesday, February 9th, 2021

Academic Calendar
Online - Faculty Spotlight: Commitment to Equity
Time: 12:00 pm
Place:
Abstract: Join Master's in Learning Analytics program director Dr. Julia Rutledge to discuss how the field of learning analytics plays a significant role in bridging the achievement gap. Learn about the MLA program's Commitment to Equity initiative, as well as its newly announced scholarship. URL: https://www.tfaforms.com/4853017 ONLINE EVENT: https://www.tfaforms.com/4853017
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Council Meeting
Physics Council
Time: 4:00 pm
Place: https://uwmadison.zoom.us/j/98476092525?pwd=Q3hBWmVZYkxOWUdBMmFpa2dKSFRIQT09
Host: Sridhara Dasu
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Wednesday, February 10th, 2021

Physics ∩ ML Seminar
Physics meets ML to solve cosmological inference
Time: 11:00 am
Place: Online Seminar: Please sign up for our mailing list at www.physicsmeetsml.org for zoom link
Speaker: Ben Wandelt, Institut d’Astrophysique de Paris / Institut Lagrange, Sorbonne University and Center for Computational Astrophysics, Flatiron Institute, New York
Abstract: The goal of cosmological inference is to learn about the origin, composition, evolution, and fate of the cosmos from all accessible sources of astronomical data, such as the cosmic microwave background, galaxy surveys, or electromagnetic and gravitational wave transients. Traditionally, the field has progressed by designing and modeling intuitive summaries of the data, such as n-point correlations. This traditional approach has a number of risks and limitations: how do we know if we computed the most informative statistics? Did we forget any summaries that would have provided additional information or break parameter degeneracies? Did we take into account all the ways the model is affecting the data? To be feasible, the traditional approach imposes approximations on the statistical modeling (e.g. the likelihood form) and on the physical modeling. I will discuss a new mode of cosmological inference: simulation-based, full-physics modeling, made feasible through multiple advances in 1) machine-learning, 2) in the way we design and run simulations of cosmological observables, and 3) in how we compare models to data. The goal is to use current and next generation data to reconstruct the cosmological initial conditions and constrain cosmological physics much more completely than has been feasible in the past. I will discuss current status, and ways to meet the new challenges inherent in this approach, including robustness to model misspecification.
Host: Gary Shiu
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Department Meeting
Department Meeting - CANCELLED
Time: 12:15 pm
Place: Virtual see "abstract" for connection info
Speaker: Sridhara Dasu, Department Chair
CANCELLED
Host: Sridhara Dasu
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Thursday, February 11th, 2021

Graduate Program Event
Women of CTA
Time: 11:30 am
Place: visit https://www.cta-observatory.org/women-cta-meeting-3/ for YouTube or Facebook watch links
Speaker: Leslie Taylor, UW–Madison Physics
Abstract: In honour of the International Day of Women and Girls in Science, which aims to raise awareness about the work and achievements of women in STEM and to promote equal opportunities in the field, the CTA Observatory (CTAO) will hold its third edition of “Women of CTA.” For the first time, the event will be carried out virtually through the CTA YouTube and Facebook channels at 18:30 on Thursday, 11 February.


“Women of CTA” will feature three female astrophysicists – Elina Lindfors (University of Turku), Mireia Nievas (Instituto de Astrofísica de Canarias) and Leslie Paige Taylor (University of Wisconsin-Madison) – who will share their work developing the physics, software and hardware for gamma-ray astronomy, as well as their professional and personal experiences in the field. The event, moderated by Alba Fernández-Barral (CTA Observatory), will include a “Question & Answer” session with the viewers.
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Cosmology Journal Club
Time: 12:00 pm
Place:
Abstract: Cosmology Journal Club is back! We will be having virtual meetings this semester.

Each week, we start with a couple scheduled 15 minute talks about one's research, or an arXiv paper. The last 30 minutes will typically be open to the group for anyone to discuss an arXiv paper.

All are welcome and all fields of cosmology are appropriate.

Contact Ross Cawthon, cawthon@wisc, for more information.

Zoom info
Meeting ID: 93592708053, passcode: cmbadger

Or click:
https://uwmadison.zoom.us/j/93592708053?pwd=VWVNMDJXV2N1blV0emg4ZUg3ZGRiUT09
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Astronomy Colloquium
"The Astrophysics of Gas with Simulations "
Time: 3:30 pm
Place: Zoom meeting(see Abstract ) Coffee and tea 3:30 pm, Talk 3:45 PM
Speaker: Simeon Bird, UC Riverside
Abstract: The large scale distribution of gas in the Universe contains the answers to many mysteries, such as the nature of dark matter, the sources of ionizing photons, and global trends in star formation. Cosmological simulations are the only way to understand these questions. I will talk about our ongoing simulation effort, ASTERIX. A particular focus of ASTERIX is z > 2, the era probed by upcoming NASA flagship missions JWST and WFIRST. In pursuit of this focus, we have implemented novel models for hydrogen and helium reionization, and run a 250 Mpc/hbox simulation with a resolution comparable to Illustris-TNG 100. I will discuss our models and present some preliminary results at z > 5.

Web Link

https://uwmadison.zoom.us/j/88513896776?pwd=Y1JtRE1KZllxWkFTamJBSGtGdm9yQT09
Host: Tae Sun Kim UW Astronomy Department
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Friday, February 12th, 2021

NPAC (Nuclear/Particle/Astro/Cosmo) Forum
Closing in on the sources of UHECRs: A multimessenger approach
Time: 2:00 pm
Place: Zoom Meeting
Speaker: Marco Muzio, New York University
Abstract: Join Zoom Meeting: https://wipac-science.zoom.us/j/92924838487?pwd=TjZIdnlqcGtIb3ZvVHBucmlIQjVOUT09
Meeting ID: 929 2483 8487
Passcode: 830809
Find your local number: https://wipac-science.zoom.us/u/ab0354ypLs
Host: Lu Lu
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Theory Seminar (High Energy/Cosmology)
Phenomenology of Magnetic Black Holes
Time: 2:00 pm
Place: For zoom link, sign up at: https://groups.google.com/a/g-groups.wisc.edu/d/forum/theoryseminars/join
Speaker: Nicholas Orlofsky, Carleton University
Abstract: Magnetically charged black holes are interesting solutions of the Standard Model and general relativity. They may possess a “hairy” electroweak-symmetric corona outside the event horizon, which speeds up their Hawking radiation and leads them to become nearly extremal on short timescales. Their masses could range from the Planck scale up to the Earth mass. I will present various methods to search for primordially produced magnetic black holes and provide estimated upper limits on their abundance.
Host: Lars Aalsma
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Department Coffee Hour
Department Coffee Hour (Virtual)
Time: 3:30 pm
Place: Virtual (see abstract for connection info)
Abstract: Topic: Department Coffee Hour
Time: Jan 29, 2021 03:30 PM Central Time (US and Canada)
Every week on Fri, until May 14, 2021, 16 occurrence(s)
Jan 29, 2021 03:30 PM
Feb 5, 2021 03:30 PM
Feb 12, 2021 03:30 PM
Feb 19, 2021 03:30 PM
Feb 26, 2021 03:30 PM
Mar 5, 2021 03:30 PM
Mar 12, 2021 03:30 PM
Mar 19, 2021 03:30 PM
Mar 26, 2021 03:30 PM
Apr 2, 2021 03:30 PM
Apr 9, 2021 03:30 PM
Apr 16, 2021 03:30 PM
Apr 23, 2021 03:30 PM
Apr 30, 2021 03:30 PM
May 7, 2021 03:30 PM
May 14, 2021 03:30 PM
Please download and import the following iCalendar (.ics) files to your calendar system.
Weekly: https://uwmadison.zoom.us/meeting/tJMkf-yqpjojHdRt7HGeqviWNpBBgTH6ardi/ics?icsToken=98tyKuCvpzMvGNyUuR6HRowEHYqgZ-rxiH5EgqdviEjNJCVCdArBGPJgELVLOI7R

Join Zoom Meeting
https://uwmadison.zoom.us/j/97985281970?pwd=alp0enRHWmR2SnlxM2g3cCttdTU4Zz09

Meeting ID: 979 8528 1970
Passcode: 309601
One tap mobile
+13126266799,,97985281970#,,,,*309601# US (Chicago)
+19292056099,,97985281970#,,,,*309601# US (New York)

Dial by your location
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+1 929 205 6099 US (New York)
+1 301 715 8592 US (Washington D.C)
+1 346 248 7799 US (Houston)
+1 669 900 6833 US (San Jose)
+1 253 215 8782 US (Tacoma)
Meeting ID: 979 8528 1970
Passcode: 309601
Find your local number: https://uwmadison.zoom.us/u/adjU8aKij2

Join by SIP
97985281970@zoomcrc.com

Join by H.323
162.255.37.11 (US West)
162.255.36.11 (US East)
115.114.131.7 (India Mumbai)
115.114.115.7 (India Hyderabad)
213.19.144.110 (Amsterdam Netherlands)
213.244.140.110 (Germany)
103.122.166.55 (Australia)
149.137.40.110 (Singapore)
64.211.144.160 (Brazil)
69.174.57.160 (Canada)
207.226.132.110 (Japan)
Meeting ID: 979 8528 1970
Passcode: 309601


Host: Climate and Diversity Committee
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Department Meeting
Viruses, The Immune System, and Vaccines
Time: 3:30 pm
Place: Zoom: https://uwmadison.zoom.us/j/97985281970?pwd=alp0enRHWmR2SnlxM2g3cCttdTU4Zz09
Speaker: Dr. Sarah Perdue, Department of Physics, University of Wisconsin
Our own Dr. Sarah Perdue will give us a very broad overview of viruses, the immune system, and vaccines, providing some specifics about COVID-19 as they relate to these areas along the way.
Host: Sridhara Dasu
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