Timing the r-Process Enrichment of the Ultra-Faint Dwarf Galaxy Reticulum II

Kavli Affiliate: Alexander P. Ji | First 5 Authors: [#item_custom_name[1]], [#item_custom_name[2]], [#item_custom_name[3]], [#item_custom_name[4]], [#item_custom_name[5]] | Summary: The ultra-faint dwarf galaxy Reticulum II (Ret II) exhibits a unique chemical evolution history, with 72 +10/-12% of its stars strongly enhanced in r-process elements. We present deep Hubble Space Telescope photometry of Ret II and analyze its star […]


Continue.. Timing the r-Process Enrichment of the Ultra-Faint Dwarf Galaxy Reticulum II

Distant Echoes of the Milky Way’s Last Major Merger

Kavli Affiliate: Alexander P. Ji | First 5 Authors: [#item_custom_name[1]], [#item_custom_name[2]], [#item_custom_name[3]], [#item_custom_name[4]], [#item_custom_name[5]] | Summary: The majority of the Milky Way’s stellar halo consists of debris from our Galaxy’s last major merger, the Gaia-Sausage-Enceladus (GSE). In the past few years, stars from GSE have been kinematically and chemically studied in the inner $30$ kpc […]


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New Searches for Muonphilic Particles at Proton Beam Dump Spectrometers

Kavli Affiliate: Gordan Krnjaic | First 5 Authors: [#item_custom_name[1]], [#item_custom_name[2]], [#item_custom_name[3]], [#item_custom_name[4]], [#item_custom_name[5]] | Summary: We introduce a new search strategy for visibly decaying muonphilic particles using a proton beam spectrometer modeled after the SpinQuest experiment at Fermilab. In this setup, a ${sim}$100 GeV primary proton beam impinges on a thick fixed target and yields […]


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Predicting pathways for old and new metabolites through clustering

Kavli Affiliate: Nathan Lewis | First 5 Authors: [#item_custom_name[1]], [#item_custom_name[2]], [#item_custom_name[3]], [#item_custom_name[4]], [#item_custom_name[5]] | Summary: The diverse metabolic pathways are fundamental to all living organisms, as they harvest energy, synthesize biomass components, produce molecules to interact with the microenvironment, and neutralize toxins. While discovery of new metabolites and pathways continues, the prediction of pathways for […]


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Understanding binary phase separation towards Cu-C nanocrystalline-amorphous composites

Kavli Affiliate: Wei Gao | First 5 Authors: [#item_custom_name[1]], [#item_custom_name[2]], [#item_custom_name[3]], [#item_custom_name[4]], [#item_custom_name[5]] | Summary: The nanocrystalline-amorphous textures are commonly observed in the coatings synthesized by energetic deposition. We report a binary phase separation towards Cu-C nanocrystalline-amorphous composites by the FCVA deposition. The experimental results highlight that the average size of Cu nanocrystallines mainly depends […]


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Completely Dark Matter from Rapid-Turn Multifield Inflation

Kavli Affiliate: Edward W. Kolb | First 5 Authors: [#item_custom_name[1]], [#item_custom_name[2]], [#item_custom_name[3]], [#item_custom_name[4]], [#item_custom_name[5]] | Summary: We study cosmological gravitational particle production as applied to "rapid-turn" models of inflation involving two scalar fields. We are interested in the production of massive spin-0 particles that only interact gravitationally and provide a candidate for the dark matter. […]


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BDNF and TRiC-inspired Reagents Rescue Cortical Synaptic Deficits in a Mouse Model of Huntington’s Disease

Kavli Affiliate: William Mobley | Authors: Yingli Gu, Alexander Pope, Charlene Smith-Geater, Christopher Carmona, Aaron Johnstone, Linda Shi, Xuqiao Chen, Sarai Santos, Claire C Bacon-Brenes, Thomas Shoff, Korbin M Kleczko, Judith Frydman, Leslie M Thompson, William C Mobley and Chengbiao Wu | Summary: Abstract Huntington’s disease (HD) results from a CAG repeat expansion in the […]


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The gate-tunable Josephson diode

Kavli Affiliate: L. P. Kouwenhoven | First 5 Authors: [#item_custom_name[1]], [#item_custom_name[2]], [#item_custom_name[3]], [#item_custom_name[4]], [#item_custom_name[5]] | Summary: Superconducting diodes are a recently-discovered quantum analogueue of classical diodes. The superconducting diode effect relies on the breaking of both time-reversal and inversion symmetry. As a result, the critical current of a superconductor can become dependent on the direction […]


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Ganymede MHD Model: Magnetospheric Context for Juno’s PJ34 Flyby

Kavli Affiliate: George Clark | First 5 Authors: [#item_custom_name[1]], [#item_custom_name[2]], [#item_custom_name[3]], [#item_custom_name[4]], [#item_custom_name[5]] | Summary: On June 7th, 2021 the Juno spacecraft visited Ganymede and provided the first in situ observations since Galileo’s last flyby in 2000. The measurements obtained along a one-dimensional trajectory can be brought into global context with the help of three-dimensional […]


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Threshold of Primordial Black Hole Formation against Velocity Dispersion in Matter-Dominated Era

Kavli Affiliate: Misao Sasaki | First 5 Authors: [#item_custom_name[1]], [#item_custom_name[2]], [#item_custom_name[3]], [#item_custom_name[4]], [#item_custom_name[5]] | Summary: We study the effects of velocity dispersion on the formation of primordial black holes~(PBHs) in a matter-dominated era. The velocity dispersion is generated through the nonlinear growth of perturbations and has the potential to impede the gravitational collapse and thereby […]


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