Events Calendar

 March 2025        
MondayTuesdayWednesdayThursdayFriday
3
Roman Scoccimarro, Pairwise velocities at infinity and the redshift-space power spectrum (12:30 PM - 1:30 PM)

4
JJ Zanazzi, Resonance locking and hot Jupiters (2:00 PM - 3:15 PM)

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5
Giorgio Gratta, nEXO and the quest for neutrino-less double beta decay. (2:00 PM - 3:15 PM)

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6
Janosz Dewberry, Shake, rattle, and roll: waves, tides, and turbulence in stellar and planetary system (1:00 PM - 2:15 PM)

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Giorgio Gratta, Testing Gravity at Ever Shorter Scale: A Trip into Exotic Experimental Physics (4:00 PM - 5:30 PM)

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7
Cara Giovanetti, Cosmology, Astrophysics, and Computation to Advance the Detection Prospects of Dark Matter (10:30 AM - 12:30 PM)

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Calkins (3:30 PM - 4:30 PM)

10
Jesse Liu, Colliding light to measure tau g–2 (12:30 PM - 1:30 PM)

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11
Richard Anantua, A Message from the Horizon Scale by EHT: Deciphering Observational Signatures of Sgr A* and M87* (2:00 PM - 3:15 PM)

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Mathew Calkins, Office Hours (5:30 PM - 6:30 PM)

12
, HEP Journal Club (12:30 PM - 1:30 PM)

Junwu Huang, Novel string production mechanisms & gravitational wave detectors (2:00 PM - 3:15 PM)

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Mathew Calkins, Office Hours (4:30 PM - 5:30 PM)

13
Jacob Barandes, What's Wrong with Quantum Theory, and How to Fix It (4:00 PM - 5:30 PM)

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14
Calkins (3:30 PM - 4:30 PM)

17
Anthony Pullen, Probing Dusty Galaxies with FIR Surveys (12:30 PM - 1:30 PM)

18
Tony Zhou (host), ACT DR6 Webinar Inbox (11:00 AM - 12:30 PM)

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Carol Cuesta Lazaro, Beyond the Observable: A Machine Learning Perspective on Modern Cosmology (11:15 AM - 12:30 PM)

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19
, HEP Journal Club (12:30 PM - 1:30 PM)

Daniel Harlow, Quantum mechanics and observers for gravity in a closed universe (2:00 PM - 3:15 PM)

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20
21
Tianli Wang, A CFT Dual for Celestial MHV Amplitudes (1:00 PM - 2:00 PM)

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Calkins (3:30 PM - 4:30 PM)

24
, SPRING BREAK; Campus Closed

Rhine Samajdar (2:00 PM - 3:15 PM)

25
, SPRING BREAK; Campus Closed

26
, SPRING BREAK; Campus Closed

27
, SPRING BREAK; Campus Closed

28
, SPRING BREAK; Campus Closed

Calkins (3:30 PM - 4:30 PM)

31
Connor Hainje, A new formula for the area of a triangle, and applications (12:30 PM - 1:30 PM)

Aurelio Amerio, Searching dark matter subhalos among unassociated Fermi-LAT sources (2:00 PM - 3:00 PM)

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William Pannell, Gradient flow and the curvature of theory space (3:10 PM - 4:10 PM)

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1
Bart Ripperda, Are We There Yet? First-principles Modeling of Multimessenger sSignals in the Plasma Universe (11:00 AM - 12:15 PM)

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Raagini Patki, A Novel Bispectrum extracting the Kinematic SZ effect as a Cosmological Probe (2:00 PM - 2:30 PM)

-- Abstract: Over the past decade, the kinematic Sunyaev-Zel'dovich (kSZ) effect has emerged as a unique observational probe of the distribution of baryons and velocity fields in the Universe. In this 30-minute talk, I will briefly review the kSZ effect and present our recent work (arXiv:2411.11974), proposing a novel 'bispectrum' of the form temperature-temperature-density to extract it from cleaned CMB maps. This estimator can utilize any tracer of the large-scale structure density field projected along the line-of-sight and does not require individual redshifts. With this new method, we forecast high signal-to-noise ratios (SNR) of ∼100 for the upcoming Simons Observatory (SO) and CMB-S4 correlated with a galaxy sample from WISE that is restricted to the linear regime. We show the SNR peaks for squeezed triangles with a short (linear) density mode and long temperature modes in harmonic space. We study the cosmological dependence of this kSZ signal and forecast initial constraints on the sum of neutrino masses for SO and CMB-S4. Finally, I will discuss the advantages of this estimator and its prospects as a novel probe of baryonic abundance and beyond-ΛCDM cosmology with upcoming precision measurements.

2
, HEP Journal Club (12:30 PM - 1:30 PM)

Csaba Csaki, Exploring QCD-like dynamics from supersymmetric cousins (2:00 PM - 3:15 PM)

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3
Alessandra Buonanno, Theoretical Challenges in Gravitational-Wave Astronomy (4:00 PM - 5:30 PM)

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4
Dalimil Mazac, Spectral gaps and conformal field theory (10:00 AM - 11:15 AM)

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Calkins (3:30 PM - 4:30 PM)