96 citations
- University of AveiroPT6 papers
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Showing 2021Show all
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astro-ph.HE2021★ 96 cited
All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1669
This paper describes the first all-sky search for long-duration, quasi-monochromatic gravitational-wave signals emitted by ultralight scalar boson clouds around spinning black hole…
astro-ph.CO2021★ 61 cited
The BINGO Project I: Baryon Acoustic Oscillations from Integrated Neutral Gas Observations
Elcio Abdalla, Elisa G. M. Ferreira, Ricardo G. Landim +43
Observations of the redshifted 21-cm line of neutral hydrogen (HI) are a new and powerful window of observation that offers us the possibility to map the spatial distribution of co…
hep-ph2021
A three Higgs doublet model with symmetry-suppressed flavour changing neutral currents
Dipankar Das, P. M. Ferreira, António P. Morais +3
We construct a three-Higgs doublet model with a flavour non-universal symmetry. That symmetry induces suppressed flavour-changing interactions media…