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researcher

A. Viana

113 papers hereh-index 4210.2k citations205 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author1
  • first author3
  • middle author31
  • last author6

Across the 41 of 113 papers where every author was matched, so the position is known.

fields
  • astro-ph.HE105
  • astro-ph.CO3
  • astro-ph.IM2
  • hep-ph2
  • astro-ph.GA1
same name
  • A. Viana — 13 papers
  • A. Viana — 3 papers, h 1
  • A. Viana — 1 paper, h 3
  • A. Viana — 1 paper, h 0
  • A. Viana — 1 paper, h 1
  • A. Viana — 1 paper, h 31

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20102026
most citedAcceleration of petaelectronvolt protons in the Galactic Centre

512 citations · 6.5k across the 111 of their papers we have counts for

collaborators
Showing astro-ph.COShow all

3 papers · 1 filter

astro-ph.CO2012★ 15 cited

Constraints on the gamma-ray emission from the cluster-scale AGN outburst in the Hydra A galaxy cluster

HESS Collaboration, A. Abramowski, F. Acero +193

In some galaxy clusters powerful AGN have blown bubbles with cluster scale extent into the ambient medium. The main pressure support of these bubbles is not known to date, but cosm…

astro-ph.CO2012★ 134 cited

Gamma ray constraints on Decaying Dark Matter

Marco Cirelli, Emmanuel Moulin, Paolo Panci +2

We derive new bounds on decaying Dark Matter from the gamma ray measurements of (i) the isotropic residual (extragalactic) background by Fermi and (ii) the Fornax galaxy cluster by…

astro-ph.CO2011★ 188 cited

The 2010 very high energy gamma-ray flare & 10 years of multi-wavelength observations of M 87

The H. E. S. S. Collaboration, :, A. Abramowski +442

Abridged: The giant radio galaxy M 87 with its proximity, famous jet, and very massive black hole provides a unique opportunity to investigate the origin of very high energy (VHE;…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.