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O Tibolla

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Articles 17
Citations 49
Followers 0
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Recent Articles
1.
Alfaro R, Alvarez C, Arteaga-Velazquez J, Avila Rojas D, Ayala Solares H, Babu R, et al.
Nature . 2024 Oct; 634(8034):557-560. PMID: 39415065
Microquasars are laboratories for the study of jets of relativistic particles produced by accretion onto a spinning black hole. Microquasars are near enough to allow detailed imaging of spatial features...
2.
Albert A, Alfaro R, Alvarez C, Arteaga-Velazquez J, Avila Rojas D, Ayala Solares H, et al.
Phys Rev Lett . 2023 Aug; 131(5):051201. PMID: 37595214
We report the first detection of a TeV γ-ray flux from the solar disk (6.3σ), based on 6.1 years of data from the High Altitude Water Cherenkov (HAWC) observatory. The...
3.
Albert A, Alfaro R, Alvarez C, Angeles Camacho J, Arteaga-Velazquez J, Arunbabu K, et al.
Phys Rev Lett . 2020 Apr; 124(13):131101. PMID: 32302173
Because of the high energies and long distances to the sources, astrophysical observations provide a unique opportunity to test possible signatures of Lorentz invariance violation (LIV). Superluminal LIV enables the...
4.
Abeysekara A, Albert A, Alfaro R, Angeles Camacho J, Arteaga-Velazquez J, Arunbabu K, et al.
Phys Rev Lett . 2020 Feb; 124(2):021102. PMID: 32004015
We present the first catalog of gamma-ray sources emitting above 56 and 100 TeV with data from the High Altitude Water Cherenkov Observatory, a wide field-of-view observatory capable of detecting...
5.
Abeysekara A, Albert A, Alfaro R, Alvarez C, Alvarez J, Arceo R, et al.
Nature . 2018 Nov; 564(7736):E38. PMID: 30482938
In this Letter, owing to a production error, the penultimate version of the PDF was published. The HTML version was always correct. The PDF has been corrected online.
6.
Abeysekara A, Albert A, Alfaro R, Alvarez C, Alvarez J, Arceo R, et al.
Nature . 2018 Oct; 562(7725):82-85. PMID: 30283106
SS 433 is a binary system containing a supergiant star that is overflowing its Roche lobe with matter accreting onto a compact object (either a black hole or neutron star)....
7.
Abeysekara A, Albert A, Alfaro R, Alvarez C, Alvarez J, Arceo R, et al.
Science . 2017 Nov; 358(6365):911-914. PMID: 29146808
The unexpectedly high flux of cosmic-ray positrons detected at Earth may originate from nearby astrophysical sources, dark matter, or unknown processes of cosmic-ray secondary production. We report the detection, using...
8.
Aleksic J, Ansoldi S, Antonelli L, Antoranz P, Babic A, Bangale P, et al.
Science . 2014 Nov; 346(6213):1080-4. PMID: 25378461
Supermassive black holes with masses of millions to billions of solar masses are commonly found in the centers of galaxies. Astronomers seek to image jet formation using radio interferometry but...
9.
Ackermann M, Ajello M, Allafort A, Baldini L, Ballet J, Barbiellini G, et al.
Science . 2013 Feb; 339(6121):807-11. PMID: 23413352
Cosmic rays are particles (mostly protons) accelerated to relativistic speeds. Despite wide agreement that supernova remnants (SNRs) are the sources of galactic cosmic rays, unequivocal evidence for the acceleration of...
10.
Abramowski A, Acero F, Aharonian F, Akhperjanian A, Anton G, Barnacka A, et al.
Phys Rev Lett . 2011 May; 106(16):161301. PMID: 21599352
A search for a very-high-energy (VHE; ≥100  GeV) γ-ray signal from self-annihilating particle dark matter (DM) is performed towards a region of projected distance r∼45-150  pc from the Galactic center....