Kavli Affiliate: Michael Gladders | Summary:JWST has enabled the discovery of a statistical sample of obscured (type II) active galactic nuclei (AGN) at cosmic noon. Studies comparing those type II AGN with type I AGN at that epoch have reinforced the long-standing idea of an evolutionary link between those classes of objects. Mergers, the idea […]
Kavli Affiliate: Michael Gladders | Summary:JWST has enabled the discovery of a statistical sample of obscured (type II) active galactic nuclei (AGN) at cosmic noon. Studies comparing those type II AGN with type I AGN at that epoch have reinforced the long-standing idea of an evolutionary link between those classes of objects. Mergers, the idea […]
Kavli Affiliate: Salman Habib | Summary:We present a multi-modal foundation model for astrophysical galaxy data, designed to map between simulation- and observation-based galactic features. Our encoder-only transformer flexibly ingests scalar quantities (e.g., redshifts, galaxy masses) and vectors (e.g., star formation histories, spectra), supporting multi-task training that includes within-modality reconstruction and cross-modality prediction. With a dynamic […]
Kavli Affiliate: Katrin Heitmann | Summary:The potential of deep learning-based image-to-image translations has recently attracted significant attention. One possible application of such a framework is as a fast, approximate alternative to cosmological simulations, which would be particularly useful in various contexts, including covariance studies, investigations of systematics, and cosmological parameter inference. To investigate different aspects […]
Kavli Affiliate: Hsiaowen Chen |Summary:In dwarf galaxy models, outflows expel metal-enriched interstellar medium (ISM) into the circumgalactic medium (CGM) to reproduce their observed low metallicities, but measurements of dwarf CGM properties are scarce. We present a study of the CGM of an isolated dwarf at $z=0.5723$ with a stellar mass of $approx5times10^7rm,M_odot$ and star-formation rate […]
Kavli Affiliate: Michael S. Turner | First 5 Authors: Michael S. Turner, Michael S. Turner, , , | Summary: The current cosmological paradigm, $Lambda$CDM, is characterized its expansive description of the history of the Universe, its deep connections to particle physics and the large amounts of data that support it. Nonetheless, $Lambda$CDM’s critics argue that […]
Kavli Affiliate: Michael Turner | Summary:The current cosmological paradigm, $Λ$CDM, is characterized its expansive description of the history of the Universe, its deep connections to particle physics and the large amounts of data that support it. Nonetheless, $Λ$CDM’s critics argue that it has been falsified or must be discarded for various reasons. Critics and boosters […]
Kavli Affiliate: Alexander P. Ji | First 5 Authors: Martin P. Rey, Martin P. Rey, , , | Summary: We study the stellar mass-iron metallicity relation of dwarf galaxies in the new high-resolution MEGATRON cosmological radiation-hydrodynamics simulations. These simulations model galaxy formation up to $zapprox8$ in a region that will collapse into a Milky-Way-like galaxy […]
Kavli Affiliate: Luca Grandi| First 5 Authors: E. Aprile, E. Aprile, , , | Summary:We report the measurement of the $^214$Bi beta-decay spectrum to the ground state of $^214$Po using the XENONnT detector. This decay is classified as first-forbidden non-unique, for which theoretical predictions require detailed nuclear structure modeling. A dedicated identification algorithm isolates a […]
Kavli Affiliate: Hsiaowen Chen| First 5 Authors: [#item_custom_name[1, [#item_custom_name[2, [#item_custom_name[3, [#item_custom_name[4, [#item_custom_name[5| Summary:Measurements of SIDIS multiplicities for $π^+$ and $π^-$ from proton and deuteron targets are reported on a grid of hadron kinematic variables $z$, $P_T$, and $φ^*$ for leptonic kinematic variables in the range $0.3<x<0.6$ and $3<Q^2<5$ GeV$^2$. Data were acquired in 2018-2019 at […]