[Physics-grads-open] PASS talk on Monday

[Pooyan Goodarzi]

Reminder: happening in ~2 hours.

On 11/21/25 4:32 PM, Pooyan Goodarzi wrote:
>
> Hi everyone,
>
>
> We will have our next PASS on *Monday, October 24* with an interesting 
> talk by Garett. Please join us at noon (*from 12:00 to 1:00 pm*) in 
> the *Nebula Room* (PHYS 3027).
>
>
> *Garett Lopez, PhD Candidate
> *Monday, 12:00 pm, Nebula Room (PHYS 3027)
>
> *What the CMB and Lyman-Alpha forest can teach us about reionization 
> and early galaxies *
>
> *
> *
>
> A key result from JWST’s first two cycles is that galaxy formation was 
> well underway by z=10. The implications of these early galaxies for 
> reionization are less clear, however, owing to the difficulty of 
> inferring their ionizing outputs from their non-ionizing spectral 
> characteristics. CMB measurements are still our best way to constrain 
> the ionization state of the IGM during reionization’s first half, 
> providing an important window into the sources of ionizing photons at 
> those times. In this talk, I will introduce the reionization-CMB 
> connection and use radiative transfer simulations to discuss how 
> measurements of the patchy kinetic Sunyaev Zel’dovich (pkSZ) effect 
> can be used to constrain the early stages of reionization, especially 
> when combined with Lyman-alpha forest constraints on reionization's 
> end. I will also highlight how pkSZ measurements can complement JWST's 
> direct observations of the galaxy population and improve our 
> understanding of the ionizing sources during cosmic dawn.
>
> If you’re interested in sharing your work as a speaker, please feel 
> free to add your name to this spreadsheet [Google Sheet 
> <https://docs.google.com/spreadsheets/d/1N3ncf43jdB6aHYHhyWmyHMycxDg4_phHZXLkQvviO0o/edit?usp=sharing>]. 
> Recordings of all the previous talks are available on our website: 
> https://ucrpass.arxiv.social
>
>
> Best,
> Pooyan
> Physics and Astronomy Student Seminar (PASS)
> https://ucrpass.arxiv.social
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ucr.edu/pipermail/physics-grads-open/attachments/20251124/281ac1f0/attachment.htm>