NuSTAR Detection of an Absorption Feature in ESP 39607: Evidence for an Ultra-fast Inflow?

Kavli Affiliate: Claudio Ricci | First 5 Authors: Alessandro Peca, Michael J. Koss, Roberto Serafinelli, Claudio Ricci, C. Megan Urry | Summary: We report the serendipitous discovery of an absorption feature at 4.8 keV in the NuSTAR spectra of ESP 39607, a Seyfert 2 galaxy at $z = 0.201$, observed in May 2023 and August […]


Continue.. NuSTAR Detection of an Absorption Feature in ESP 39607: Evidence for an Ultra-fast Inflow?

An enhanced Eco1 retron editor enables precision genome engineering in human cells without double-strand breaks

Kavli Affiliate: Charles M. Rice | Authors: Matthew A Cattle, Lauren C Aguado, Samantha Sze, Dylan Yueyang Wang, Thales Papagiannakopoulos, Susan Smith, Charles M Rice, William Matthew Schneider and John T Poirier | Summary: Retrons are a retroelement class found in diverse prokaryotes that can be adapted to augment CRISPR-Cas9 genome engineering technology to efficiently […]


Continue.. An enhanced Eco1 retron editor enables precision genome engineering in human cells without double-strand breaks

Dynamics of $E_6$ Chiral Gauge Theories

Kavli Affiliate: Hitoshi Murayama | First 5 Authors: Andrew Goh, Hitoshi Murayama, Gup Singh, Bethany Suter, Jason Wong | Summary: We present exact non-perturbative solutions to chiral gauge theories based on the $E_6$ gauge group and several matter fermions in the fundamental $bf{27}$-dimensional representation. They are obtained when supersymmetric versions are perturbed by small supersymmetry […]


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Dark Matter Velocity Distributions for Direct Detection: Astrophysical Uncertainties are Smaller Than They Appear

Kavli Affiliate: Lina Necib | First 5 Authors: Dylan Folsom, Carlos Blanco, Mariangela Lisanti, Lina Necib, Mark Vogelsberger | Summary: The sensitivity of direct detection experiments depends on the phase-space distribution of dark matter near the Sun, which can be modeled theoretically using cosmological hydrodynamical simulations of Milky Way-like galaxies. However, capturing the halo-to-halo variation […]


Continue.. Dark Matter Velocity Distributions for Direct Detection: Astrophysical Uncertainties are Smaller Than They Appear

PtyRAD: A High-performance and Flexible Ptychographic Reconstruction Framework with Automatic Differentiation

Kavli Affiliate: David A. Muller | First 5 Authors: Chia-Hao Lee, Steven E. Zeltmann, Dasol Yoon, Desheng Ma, David A. Muller | Summary: Electron ptychography has recently achieved unprecedented resolution, offering valuable insights across diverse material systems, including in three dimensions. However, high-quality ptychographic reconstruction is computationally expensive and time consuming, requiring a significant amount […]


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ABS-Mamba: SAM2-Driven Bidirectional Spiral Mamba Network for Medical Image Translation

Kavli Affiliate: Feng Yuan | First 5 Authors: Feng Yuan, Yifan Gao, Wenbin Wu, Keqing Wu, Xiaotong Guo | Summary: Accurate multi-modal medical image translation requires ha-rmonizing global anatomical semantics and local structural fidelity, a challenge complicated by intermodality information loss and structural distortion. We propose ABS-Mamba, a novel architecture integrating the Segment Anything Model […]


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Weak transcription factor clustering at binding sites can facilitate information transfer from molecular signals

Kavli Affiliate: Jos W. Zwanikken | First 5 Authors: Tamara Mijatović, Aimée R. Kok, Jos W. Zwanikken, Marianne Bauer, | Summary: Transcription factor concentrations provide signals to cells that allow them to regulate gene expression to make correct cell fate decisions. Calculations for noise bounds in gene regulation suggest that clustering or cooperative binding of […]


Continue.. Weak transcription factor clustering at binding sites can facilitate information transfer from molecular signals

Rapid formation of a very massive star >50000 $M_odot$ and subsequently an IMBH from runaway collisions. Direct N-body and Monte Carlo simulations of dense star clusters

Kavli Affiliate: Rainer Spurzem | First 5 Authors: Marcelo C. Vergara, Abbas Askar, Albrecht W. H. Kamlah, Rainer Spurzem, Francesco Flammini Dotti | Summary: Context. We present simulations of a massive young star cluster using textsc{Nbody6++GPU} and textsc{MOCCA}. The cluster is initially more compact than previously published models, with one million stars, a total mass […]


Continue.. Rapid formation of a very massive star >50000 $M_odot$ and subsequently an IMBH from runaway collisions. Direct N-body and Monte Carlo simulations of dense star clusters

Resonant Self-Diffraction of Femtosecond Extreme Ultraviolet Pulses in Cobalt

Kavli Affiliate: Scott K. Cushing | First 5 Authors: Alexei A. Maznev, Wonseok Lee, Scott K. Cushing, Dario De Angelis, Danny Fainozzi | Summary: Self-diffraction is a non-collinear four-wave mixing technique well-known in optics. We explore self-diffraction in the extreme ultraviolet (EUV) range, taking advantage of intense femtosecond EUV pulses produced by a free electron […]


Continue.. Resonant Self-Diffraction of Femtosecond Extreme Ultraviolet Pulses in Cobalt