Hubble Constant Measurement from Three Large-Separation Quasars Strongly Lensed by Galaxy Clusters

Posted by Chicago

Kavli Affiliate: Michael D. Gladders | First 5 Authors: Kate Napier, Keren Sharon, Håkon Dahle, Matthew Bayliss, Michael D. Gladders | Summary: Tension between cosmic microwave background-based and distance ladder-based determinations of the Hubble constant ${rm H}_{rm 0}$ motivates pursuit of independent methods that are not subject to the same systematic effects. A promising alternative, […]


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Mapping the X-ray variability of GRS1915+105 with machine learning

Posted by dbos MIT

Kavli Affiliate: Ronald A. Remillard | First 5 Authors: Benjamin J. Ricketts, James F. Steiner, Cecilia Garraffo, Ronald A. Remillard, Daniela Huppenkothen | Summary: Black hole X-ray binary systems (BHBs) contain a close companion star accreting onto a stellar-mass black hole. A typical BHB undergoes transient outbursts during which it exhibits a sequence of long-lived […]


Continue.. Mapping the X-ray variability of GRS1915+105 with machine learning

Cosmic Web Dissection in Fuzzy Dark Matter Cosmologies

Posted by klaurent Cambridge

Kavli Affiliate: George Efstathiou | First 5 Authors: Tibor Dome, Anastasia Fialkov, Nina Sartorio, Philip Mocz, | Summary: On large cosmological scales, anisotropic gravitational collapse is manifest in the dark cosmic web. Its statistical properties are little known for alternative dark matter models such as fuzzy dark matter (FDM). In this work, we assess for […]


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NICER/NuSTAR Characterization of 4U 1957+11: A Near Maximally Spinning Black Hole Potentially in the Mass Gap

Posted by klaurent MIT

Kavli Affiliate: Ronald A. Remillard | First 5 Authors: Erin Barillier, Victoria Grinberg, David Horn, Michael A. Nowak, Ronald A. Remillard | Summary: 4U 1957+11 is a black hole candidate system that has been in a soft X-ray spectral state since its discovery. We present analyses of recent joint NICER and NuSTAR spectra, which are […]


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CodeScore: Evaluating Code Generation by Learning Code Execution

Posted by dbos Peking

Kavli Affiliate: Zhuo Li | First 5 Authors: Yihong Dong, Jiazheng Ding, Xue Jiang, Ge Li, Zhuo Li | Summary: A proper code evaluation metric (CEM) profoundly impacts the evolution of code generation, which is an important research field in NLP and software engineering. Prevailing match-based CEMs (e.g., BLEU, Accuracy, and CodeBLEU) suffer from two […]


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CodeScore: Evaluating Code Generation by Learning Code Execution

Posted by dbos Peking

Kavli Affiliate: Zhuo Li | First 5 Authors: Yihong Dong, Jiazheng Ding, Xue Jiang, Ge Li, Zhuo Li | Summary: A proper code evaluation metric (CEM) profoundly impacts the evolution of code generation, which is an important research field in NLP and software engineering. Prevailing match-based CEMs (e.g., BLEU, Accuracy, and CodeBLEU) suffer from two […]


Continue.. CodeScore: Evaluating Code Generation by Learning Code Execution

CodeScore: Evaluating Code Generation by Learning Code Execution

Posted by dbos Peking

Kavli Affiliate: Zhuo Li | First 5 Authors: Yihong Dong, Jiazheng Ding, Xue Jiang, Ge Li, Zhuo Li | Summary: A proper code evaluation metric (CEM) profoundly impacts the evolution of code generation, which is an important research field in NLP and software engineering. Prevailing match-based CEMs (e.g., BLEU, Accuracy, and CodeBLEU) suffer from two […]


Continue.. CodeScore: Evaluating Code Generation by Learning Code Execution

Reacceleration of Galactic Cosmic Rays Beyond the Knee at the Termination Shock of a Cosmic-Ray-Driven Galactic Wind

Posted by klaurent Stanford

Kavli Affiliate: Roger Blandford | First 5 Authors: Payel Mukhopadhyay, Enrico Peretti, Noemie Globus, Paul Simeon, Roger Blandford | Summary: The origin of cosmic rays above the knee in the spectrum is an unsolved problem. We present a wind model in which interstellar gas flows along a non-rotating, expanding flux tube with a changing speed […]


Continue.. Reacceleration of Galactic Cosmic Rays Beyond the Knee at the Termination Shock of a Cosmic-Ray-Driven Galactic Wind

Reacceleration of Galactic Cosmic Rays Beyond the Knee at the Termination Shock of a Cosmic-Ray-Driven Galactic Wind

Posted by klaurent Stanford

Kavli Affiliate: Roger Blandford | First 5 Authors: Payel Mukhopadhyay, Enrico Peretti, Noemie Globus, Paul Simeon, Roger Blandford | Summary: The origin of cosmic rays above the knee in the spectrum is an unsolved problem. We present a wind model in which interstellar gas flows along a non-rotating, expanding flux tube with a changing speed […]


Continue.. Reacceleration of Galactic Cosmic Rays Beyond the Knee at the Termination Shock of a Cosmic-Ray-Driven Galactic Wind

What Causes The Formation of Disks and End of Bursty Star Formation?

Posted by klaurent Peking

Philip F. Hopkins, Alexander B. Gurvich, Xuejian Shen, Zachary Hafen, Michael Y. Grudic | Summary: [[{“value”:”As they grow, galaxies can transition from irregular/spheroidal with ‘bursty’ star formation histories (SFHs), to disky with smooth SFHs. But even in simulations, the direct physical cause of such transitions remains unclear. We therefore explore this in a large suite […]


Continue.. What Causes The Formation of Disks and End of Bursty Star Formation?