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Mitchell Institute (MIST) Events

Spring 2024

The Black Hole Mass - Stellar Velocity Dispersion Relation of 105 Month Swift-BAT Type 1 AGNs
January 23, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
The Black Hole Mass – Stellar Velocity Dispersion Relation of 105 Month Swift-BAT Type 1 AGNs

Speaker: Turgay Caglar (Texas A&M University)

We present two independent measurements of stellar velocity dispersions (σ) from the Ca II H+K λ3969, 3934 and Mg I b λ 5183, 5172, 5167 region (3880-5550 Å) and the calcium triplet region (8350-8750 Å) for 173 hard X-ray-selected Type 1 active galactic nuclei (AGNs; z ≤ 0.08) from the [...]
Stellar Populations and Ionized Gas in the Local Universe
January 23, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
Stellar Populations and Ionized Gas in the Local Universe

Speaker: Ray Garner (Texas A&M University)

How do galaxies evolve? This is at first a seemingly simple and fundamental question, yet it is a question laced with intricacies. To help unravel the mystery of galaxy evolution, I present some of my thesis work, where I used deep narrowband imaging to investigate the nearby M101 Group. Namely, [...]
The Fable of the Unstable Neutrinos
January 25, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
The Fable of the Unstable Neutrinos

Speaker: Srubabati Goswami (Physical Research Laboratory)Host: Doojin Kim/Bhaskar Dutta

Neutrino decay is governed by a non-Hermitian effective Hamiltonian and in general the mass eigenstates and decay eigenstates are not the same. This mismatch is inevitable in the presence of matter and the Hermitian and anti-Hermitian components cannot be simultaneously diagonalized by unitary transformations for all matter densities. In this [...]
Non-geometric String Compactifications and the Swampland
January 29, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
Non-geometric String Compactifications and the Swampland

Speaker: Muthusamy Rajaguru (Lehigh University)

The Swampland program attempts to classify Effective Field Theories based on their compatibility with Quantum Gravity. The criteria for compatibility are posed as conjectures for which there exist varying levels of evidence from explicit string compactifications. In this talk, I will discuss completed and ongoing work that is focused on [...]
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January 30, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
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Speaker: Vivienne Baldassare (Washington State University)Host: Krista Smith

COHERENT Neutrino Program and the First Search for Neutrino-Induced Nuclear Fission
February 1, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
COHERENT Neutrino Program and the First Search for Neutrino-Induced Nuclear Fission

Speaker: Tyler Johnson (Duke University)Host: Doojin Kim

Over 50 years ago, it was predicted that it is possible to split an atom with a neutrino interaction, but there has never been a concerted experimental effort to confirm this phenomenon. The existence of this process would inform nuclear astrophysics, nuclear reactor monitoring and give a vantage into a [...]
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February 5, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
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Speaker: Samir Mathur (Ohio State)

Stellar Abundances in the Milky Way and Their Implications for Nucleosynthesis
February 6, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
Stellar Abundances in the Milky Way and Their Implications for Nucleosynthesis

Speaker: Emily Griffith (University of Colorado Boulder)Host: Grace Olivier

Our understanding of the origin of the elements is grounded in observational abundance measurements and theoretical models of stellar explosions. The current era of big data from surveys such as APOGEE, GALAH, and Gaia allows us to study an unprecedented number of stars in abundance, velocity, and position space. With [...]
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February 8, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
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Speaker: Toby Opferkuch (University of California, Berkeley)Host: Doojin Kim

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February 12, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
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Speaker: Kurt Hinterbichler (Case Western Reserve University)

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February 13, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
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Speaker: Jessie Runnoe (Vanderbilt University)Host: Jonelle Walsh

High Dimension Operators of High Dimension CFTs
February 19, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
High Dimension Operators of High Dimension CFTs

Speaker: Nathan Benjamin (California Institute of Technology)

I will discuss universal behavior of conformal field theory (CFT) data at high energies. In particular I will discuss universal formulas for both the entropy and the three-point-functions of local operators for d-dimensional CFT (d>2) as a function of energy and spin, using a technique called thermal effective field theory. [...]
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February 20, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
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Speaker: Allison Strom (Northwestern University)Host: Casey Papovich

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February 22, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
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Speaker: Brian Lenardo (SLAC)Host: Doojin Kim

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February 26, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
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Speaker: Jacques Distler (University of Texas, Austin)

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February 27, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
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Speaker: Erik Tollerud (Space Telescope Science Institute)Host: Jonelle Walsh

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March 4, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
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Speaker: Scott Watson (Syracuse University)

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March 5, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
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Speaker: Ryan Sanders (University of Kentucky)

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March 18, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
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Speaker: Dave Morrison (University of California, Santa Barbara)

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March 19, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
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Speaker: Terese Hansen (Stockholm University)Host: Jennifer Marshall

Bursty Star Formation: Physical Drivers and Implications for JWST Observations of High-redshift Galaxies
March 26, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
Bursty Star Formation: Physical Drivers and Implications for JWST Observations of High-redshift Galaxies

Speaker: Chris Hayward (Flatiron Institute)Host: Justin Spilker

A complete theory of galaxy formation requires understanding the details of how gas is converted into stars over cosmic time, which is affected by gas supply, star formation, and feedback-driven outflows. Based on the results of state-of-the-art cosmological zoom simulations, I will argue that galaxy formation is a violent process: [...]
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April 2, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
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Speaker: Jiayi Sun (Princeton University)Host: Grace Olivier

Probing the Universe’s Expansion with Multi-messenger Astronomy
April 9, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
Probing the Universe’s Expansion with Multi-messenger Astronomy

Speaker: Antonella Palmese (Carnegie Mellon University)Host: Lifan Wang

Thanks to the synergies between gravitational wave (GW) experiments, such as LIGO/Virgo/KAGRA, and electromagnetic observations of transients and galaxies, a variety of novel cosmological measurements has recently become possible. Several of these measurements rely on the use of GW events as "standard sirens”. Following the detection of the first electromagnetic [...]
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April 15, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
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Speaker: G. Bruno De Luca (Stanford University)

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April 16, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
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Speaker: Emily Martin (Planet)Host: Ryan Oelkers

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April 22, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
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Speaker: Savdeep Sethi (University of Chicago)

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April 29, 2024 2:00 pm – 3:00 pm (CDT) MIST M102
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Speaker: Eric Sharpe (Virginia Tech )

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April 30, 2024 3:00 pm – 4:00 pm (CDT) MIST M102
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Speaker: Seiji Fujimoto (University of Texas, Austin)Host: Casey Papovich

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