July 1, 2022 – Kavli Institute Pre-Print Publications

Hard X-ray emission from the eastern jet of SS 433 powering the W50 `Manatee’ nebula: Evidence for particle re-acceleration

Posted by klaurent July 1, 2022MIT

Kavli Affiliate: Melania Nynka | Summary:We present a broadband X-ray study of W50 (`the Manatee nebula’), the complex region powered by the microquasar SS 433, that provides a test-bed for several important astrophysical processes. The W50 nebula, a Galactic PeVatron candidate, is classified as a supernova remnant but has an unusual double-lobed morphology likely associated […]

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Learning to correct spectral methods for simulating turbulent flows

Posted by klaurent July 1, 2022Harvard

Kavli Affiliate: Michael P. Brenner | First 5 Authors: Gideon Dresdner, Dmitrii Kochkov, Peter Norgaard, Leonardo Zepeda-Núñez, Jamie A. Smith | Summary: Despite their ubiquity throughout science and engineering, only a handful of partial differential equations (PDEs) have analytical, or closed-form solutions. This motivates a vast amount of classical work on numerical simulation of PDEs […]

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Learning to correct spectral methods for simulating turbulent flows

Posted by klaurent July 1, 2022July 18, 2022Harvard

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Search for a dark photon and an invisible dark Higgs boson in $μ^+μ^-$ and missing energy final states with the Belle II experiment

Posted by klaurent July 1, 2022Tokyo

Kavli Affiliate: T. Higuchi | First 5 Authors: Belle II Collaboration, F. Abudinén, I. Adachi, L. Aggarwal, H. Aihara | Summary: The dark photon $A^prime$ and the dark Higgs boson $h^prime$ are hypothetical particles predicted in many dark sector models. We search for the simultaneous production of $A^prime$ and $h^prime$ in the dark Higgsstrahlung process […]

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Poisson brackets in Sobolev spaces: a mock holonomy-flux algebra

Posted by klaurent July 1, 2022MIT

Kavli Affiliate: J. S. Villasenor | Summary:The purpose of this paper is to discuss a number of issues that crop up in the computation of Poisson brackets in field theories. This is specially important for the canonical approaches to quantization and, in particular, for loop quantum gravity. We illustrate the main points by working out […]

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Monitoring AGNs with H$β$ Asymmetry. III. Long-term Reverberation Mapping Results of 15 Palomar-Green Quasars

Posted by klaurent July 1, 2022Peking

Kavli Affiliate: Luis C. Ho | First 5 Authors: Dong-Wei Bao, Michael S. Brotherton, Pu Du, Jacob N. McLane, T. E. Zastrocky | Summary: In this third paper of the series reporting on the reverberation mapping (RM) campaign of active galactic nuclei with asymmetric H$beta$ emission-line profiles, we present results for 15 Palomar-Green (PG) quasars […]

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WS-Snapshot: An effective algorithm for wide-field and large-scale imaging

Posted by klaurent July 1, 2022July 18, 2022Berkeley

Kavli Affiliate: Feng Wang | First 5 Authors: Yangfan Xie, Feng Wang, Hui Deng, Ying Mei, Ying-He Celeste Lu | Summary: The Square Kilometre Array (SKA) is the largest radio interferometer under construction in the world. The high accuracy, wide-field and large size imaging significantly challenge the construction of the Science Data Processor (SDP) of […]

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Reading and Writing: Discriminative and Generative Modeling for Self-Supervised Text Recognition

Posted by klaurent July 1, 2022July 18, 2022Peking

Kavli Affiliate: Jing Wang | First 5 Authors: Mingkun Yang, Minghui Liao, Pu Lu, Jing Wang, Shenggao Zhu | Summary: Existing text recognition methods usually need large-scale training data. Most of them rely on synthetic training data due to the lack of annotated real images. However, there is a domain gap between the synthetic data […]

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SASV Based on Pre-trained ASV System and Integrated Scoring Module

Posted by klaurent July 1, 2022Peking

Kavli Affiliate: Zhuo Li | First 5 Authors: Yuxiang Zhang, Zhuo Li, Wenchao Wang, Pengyuan Zhang, | Summary: Based on the assumption that there is a correlation between anti-spoofing and speaker verification, a Total-Divide-Total integrated Spoofing-Aware Speaker Verification (SASV) system based on pre-trained automatic speaker verification (ASV) system and integrated scoring module is proposed and […]

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