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19922026
most citedExperimental and Theoretical Challenges in the Search for the Quark Gluon Plasma: The STAR Collaboration's Critical Assessment of the Evidence from RHIC Collisions

3.4k citations

Showing 2018 · astro-ph.HEShow all

18 papers · 2 filters

astro-ph.HE2018★ 10 cited

Discovery of TeV -ray emission from the neighbourhood of the supernova remnant G24.7+0.6 by MAGIC

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +151

SNR G24.7+0.6 is a 9.5 kyrs radio and -ray supernova remnant evolving in a dense medium. In the GeV regime, SNR G24.7+0.6 (3FHL\,J1834.1--0706e/FGES\,J1834.1--0706) shows a hard…

astro-ph.HE2018★ 173 cited

A -ray determination of the Universe's star-formation history

LAT Collaboration, M. Ajello, K. Helgason +4

The light emitted by all galaxies over the history of the Universe produces the extragalactic background light (EBL) at ultraviolet, optical, and infrared wavelengths. The EBL is a…

astro-ph.HE2018★ 37 cited

Unresolved Gamma-Ray Sky through its Angular Power Spectrum

M. Ackermann, M. Ajello, L. Baldini +107

The gamma-ray sky has been observed with unprecedented accuracy in the last decade by the Fermi large area telescope (LAT), allowing us to resolve and understand the high-energy Un…

astro-ph.HE2018★ 71 cited

Periastron Observations of TeV Gamma-Ray Emission from a Binary System with a 50-year Period

The VERITAS Collaboration, A. U. Abeysekara, W. Benbow +212

We report on observations of the pulsar / Be star binary system PSR J2032+4127 / MT91 213 in the energy range between 100 GeV and 20 TeV with the VERITAS and MAGIC imaging atmosphe…

astro-ph.HE2018★ 55 cited

Constraining very-high-energy and optical emission from FRB 121102 with the MAGIC telescopes

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +155

Fast radio bursts (FRBs) are bright flashes observed typically at GHz frequencies with millisecond duration, whose origin is likely extragalactic. Their nature remains mysterious,…

astro-ph.HE2018★ 39 cited

VERITAS and Fermi-LAT observations of new HAWC sources

VERITAS Collaboration, A. U. Abeysekara, A. Archer +280

The HAWC (High Altitude Water Cherenkov) collaboration recently published their 2HWC catalog, listing 39 very high energy (VHE; >100~GeV) gamma-ray sources based on 507 days of obs…

astro-ph.HE2018★ 84 cited

The extreme HBL behaviour of Markarian 501 during 2012

M. L. Ahnen, S. Ansoldi, L. A. Antonelli +276

A multiwavelength campaign was organized to take place between March and July of 2012. Excellent temporal coverage was obtained with more than 25 instruments, including the MAGIC,…

astro-ph.HE2018★ 235 cited

The blazar TXS 0506+056 associated with a high-energy neutrino: insights into extragalactic jets and cosmic ray acceleration

S. Ansoldi, L. A. Antonelli, C. Arcaro +146

A neutrino with energy of 290 TeV, IceCube-170922A, was detected in coincidence with the BL Lac object TXS~0506+056 during enhanced gamma-ray activity, with chance coincidenc…

astro-ph.HE2018★ 1 cited

VHE observations of binary systems performed with the MAGIC telescopes

Alicia López-Oramas, Oscar Blanch, Emma de Oña Wilhelmi +11

The improvement on the Imaging Air Cherenkov Technique (IACT) led to the discovery of a new type of sources that can emit at very high energies: the gamma-ray binaries. Only six sy…

astro-ph.HE2018★ 26 cited

The broad-band properties of the intermediate synchrotron peaked BL Lac S2 0109+22 from radio to VHE gamma rays

MAGIC Collaboration, S. Ansoldi, L. A. Antonelli +163

The MAGIC telescopes observed S2 0109+22 in 2015 July during its flaring activity in high energy gamma rays observed by Fermi-LAT. We analyse the MAGIC data to characterise the ver…

astro-ph.HE2018★ 54 cited

Multi-wavelength characterization of the blazar S5~0716+714 during an unprecedented outburst phase

MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +187

The BL Lac object S5~0716+714, a highly variable blazar, underwent an impressive outburst in January 2015 (Phase A), followed by minor activity in February (Phase B). The MAGIC obs…

astro-ph.HE2018★ 12 cited

Influence of Earth-Directed Coronal Mass Ejections on the Sun's Shadow Observed by the Tibet-III Air Shower Array

M. Amenomori, X. J. Bi, D. Chen +78

We examine the possible influence of Earth-directed coronal mass ejections (ECMEs) on the Sun's shadow in the 3~TeV cosmic-ray intensity observed by the Tibet-III air shower (AS) a…

astro-ph.HE2018★ 53 cited

Gamma-ray flaring activity of NGC 1275 in 2016-2017 measured by MAGIC

MAGIC collaboration, S. Ansoldi, L. A. Antonelli +152

We report on the detection of flaring activity from the Fanaroff-Riley I radio galaxy NGC 1275 in very-high-energy (VHE, E 100 GeV) gamma rays with the MAGIC telescopes. Observ…

astro-ph.HE2018★ 47 cited

Constraining Dark Matter lifetime with a deep gamma-ray survey of the Perseus Galaxy Cluster with MAGIC

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +148

Clusters of galaxies are the largest known gravitationally bound structures in the Universe, with masses around , most of it in the form of dark matter. The groun…

astro-ph.HE2018★ 7 cited

Observing small-scale -ray anisotropies with the Cherenkov Telescope Array

Moritz Hütten, Gernot Maier

Disentangling the composition of the diffuse gamma-ray background (DGRB) is a major challenge in gamma-ray astronomy. It is presumed that at the highest energies, the DGRB is domin…

astro-ph.HE2018★ 176 cited

Search for Spatial Extension in High-Latitude Sources Detected by the Fermi Large Area Telescope

LAT Collaboration, Jonathan Biteau

We present a search for spatial extension in high-latitude () sources in recent Fermi point source catalogs. The result is the Fermi High-Latitude Extended Sources Cat…

astro-ph.HE2018★ 53 cited

Einstein@Home discovers a radio-quiet gamma-ray millisecond pulsar

C. J. Clark, H. J. Pletsch, J. Wu +18

Millisecond pulsars (MSPs) are old neutron stars that spin hundreds of times per second and appear to pulsate as their emission beams cross our line of sight. To date, radio pulsat…

astro-ph.HE2018★ 28 cited

The detection of the blazar S4 0954+65 at very-high-energy with the MAGIC telescopes during an exceptionally high optical state

MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +169

The very-high-energy (VHE, GeV) -ray MAGIC observations of the blazar S4 0954+65, were triggered by an exceptionally high flux state of emission in the optical. Th…