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1,117 papers
Probing alternating-parity bands in even-even nuclei within an axial quadrupole-octupole-hexadecapole collective model
M. Chabab, A. El Batoul, L. El Ouaourti
An analytic quadrupole octupole hexadecapole (QOH) axially symmetric model is used to provide a coherent framework for describing both octupole vibrations and octupole deformations…
XuYi Interferometer Observation Simulator
M. Hadjara, T. Xu, Y. Sun +15
The XuYi Interferometer is the first Chinese long-baseline optical interferometer currently under development by the National Institute of Astronomical Optics and Technology (NIAOT…
BRICS Southern Observatory (BRICS-SO) Project: Invitation to African countries to invest in Chile
Massinissa Hadjara, Amokrane Berdja, Swagat R. Das +6
Recently, the BRICS countries created a promising astronomy consortium (https://www.bricsastronomy.org/), which was joined last year by some emerging countries, including two Afric…
Laboratory characterization of Hierarchical Fringe Tracking
Roxanne Ligi, Stéphane Lagarde, Romain Petrov +7
One of the main limitations in long-baseline interferometry lies in its fringe tracking sensitivity. The challenge is therefore to maximize this sensitivity while minimizing the sp…
Diffusion bridge with randomized initial and terminal times and its application to fish migration
Hidekazu Yoshioka, Mohammed Louriki
We mathematically model the dynamics of the number of migratory fish observed at a fixed location along a river in a random environment. Particularly, as a new approach, we constru…
Early Exploration of the Scientific Discovery Space for the Habitable Worlds Observatory
Courtney D. Dressing, Danica Adams, Evelyne Alecian +324
The Habitable Worlds Observatory (HWO) is a future NASA flagship mission concept identified by the Astro2020 Decadal Survey as the highest priority for large space missions. HWO sh…