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1.
Measurement of the energy spectrum of cosmic rays with the Pierre Auger Observatory
Marko Zavrtanik, Danilo Zavrtanik, Serguei Vorobiov, Lili Yang, Samo Stanič, Ahmed Saleh, Andrej Filipčič, Valerio Verzi, 2016, objavljeni znanstveni prispevek na konferenci

Najdeno v: ključnih besedah
Povzetek najdenega: ...ultra-high energy cosmic rays ( UHECR), Pierre Auger Observatory, UHECR energy spectrum...
Ključne besede: ultra-high energy cosmic rays (UHECR), Pierre Auger Observatory, UHECR energy spectrum
Objavljeno: 17.11.2016; Ogledov: 2028; Prenosov: 0
.pdf Polno besedilo (1,16 MB)

2.
Evidence for a mixed mass composition at the ‘ankle’ in the cosmic-ray spectrum
Marko Zavrtanik, Danilo Zavrtanik, Lili Yang, Serguei Vorobiov, Darko Veberič, Marta Trini, Samo Stanič, Ahmed Saleh, Gašper Kukec Mezek, Andrej Filipčič, A. Aab, 2016, izvirni znanstveni članek

Najdeno v: ključnih besedah
Povzetek najdenega: ...ultra-high energy cosmic rays ( UHECR), UHECR mass composition, UHECR energy spectrum, Pierre Auger Observatory, compositi...
Ključne besede: ultra-high energy cosmic rays (UHECR), UHECR mass composition, UHECR energy spectrum, Pierre Auger Observatory, composition studies at the ‘ankle’ region in the UHECR spectrum
Objavljeno: 25.11.2016; Ogledov: 2135; Prenosov: 111
.pdf Polno besedilo (1,73 MB)

3.
Auger Highlights
Marko Zavrtanik, Danilo Zavrtanik, Darko Veberič, Samo Stanič, Andrej Filipčič, Antonella Castellina, Gašper Kukec Mezek, Ahmed Saleh, Marta Trini, Serguei Vorobiov, Lili Yang, 2014, objavljeni znanstveni prispevek na konferenci

Najdeno v: ključnih besedah
Povzetek najdenega: ...Pierre Auger Observatory, ultra high energy cosmic rays ( UHECR), UHECR hybrid detection technique, UHECR energy spectrum, UHECR mass...
Ključne besede: Pierre Auger Observatory, ultra high energy cosmic rays (UHECR), UHECR hybrid detection technique, UHECR energy spectrum, UHECR mass composition, UHECR arrival directions
Objavljeno: 20.06.2017; Ogledov: 1787; Prenosov: 253
.pdf Polno besedilo (861,47 KB)

4.
Astroparticles at the High Energy Frontier: Results from the Pierre Auger Observatory
Marko Zavrtanik, Danilo Zavrtanik, Serguei Vorobiov, Darko Veberič, Samo Stanič, Ahmed Saleh, Andrej Filipčič, Gonzalo Parente, 2014, objavljeni znanstveni prispevek na konferenci

Najdeno v: ključnih besedah
Povzetek najdenega: ...Pierre Auger Observatory, ultra-high energy cosmic rays ( UHECR), UHECR energy spectrum, mass composition, anisotropies...
Ključne besede: Pierre Auger Observatory, ultra-high energy cosmic rays (UHECR), UHECR energy spectrum, mass composition, anisotropies
Objavljeno: 20.06.2017; Ogledov: 1716; Prenosov: 0
.pdf Polno besedilo (1,06 MB)

5.
Multi-resolution anisotropy studies of ultrahigh-energy cosmic rays detected at the Pierre Auger Observatory
Marko Zavrtanik, Danilo Zavrtanik, Lili Yang, Serguei Vorobiov, Darko Veberič, Marta Trini, Samo Stanič, Ahmed Saleh, Gašper Kukec Mezek, Andrej Filipčič, A. Aab, 2017, izvirni znanstveni članek

Najdeno v: ključnih besedah
Povzetek najdenega: ...Pierre Auger Observatory, ultra-high energy cosmic rays ( UHECR), UHECR anisotropies, angular power spectrum, needlet wavelet analysis...
Ključne besede: Pierre Auger Observatory, ultra-high energy cosmic rays (UHECR), UHECR anisotropies, angular power spectrum, needlet wavelet analysis
Objavljeno: 23.06.2017; Ogledov: 1563; Prenosov: 0
.pdf Polno besedilo (1,12 MB)

6.
Results from the Pierre Auger Observatory
Marko Zavrtanik, Danilo Zavrtanik, Darko Veberič, Samo Stanič, Andrej Filipčič, Ivan De Mitri, 2015, objavljeni znanstveni prispevek na konferenci

Najdeno v: ključnih besedah
Povzetek najdenega: ...Pierre Auger Observatory, Ultra High Energy Cosmic Rays ( UHECR), UHECR energy spectrum, UHECR mass composition...
Ključne besede: Pierre Auger Observatory, Ultra High Energy Cosmic Rays (UHECR), UHECR energy spectrum, UHECR mass composition
Objavljeno: 27.06.2017; Ogledov: 1544; Prenosov: 0
.pdf Polno besedilo (475,69 KB)

7.
Evidence for Declination Dependence of Ultrahigh Energy Cosmic Ray Spectrum in the Northern Hemisphere
J. P. Lundquist, R.U. Abbasi, 2018, drugi članki ali sestavki

Opis: The energy of the ultrahigh energy spectral cutoff was measured, integrating over the northern hemisphere sky, by the Telescope Array (TA) collaboration, to be 10^19.78±0.06 eV, in agreement with the High Resolution Fly's Eye (HiRes) experiment, whereas the Pierre Auger experiment, integrating over the southern hemisphere sky, measured the cutoff to be at 10^19.62±0.02 eV. An 11% energy scale difference between the TA and Auger does not account for this difference. However, in comparing the spectra of the Telescope Array and Pierre Auger experiments in the band of declination common to both experiments ( −15.7∘<δ<24.8∘ ) we have found agreement in the energy of the spectral cutoff. While the Auger result is essentially unchanged, the TA cutoff energy has changed to 10^19.59±0.06 eV. In this paper we argue that this is an astrophysical effect.
Najdeno v: ključnih besedah
Povzetek najdenega: ...Astrophysics, High Energy Astrophysical Phenomena, UHECR, Cosmic Rays, Anisotropy, Energy Spectrum...
Ključne besede: Astrophysics, High Energy Astrophysical Phenomena, UHECR, Cosmic Rays, Anisotropy, Energy Spectrum
Objavljeno: 27.04.2020; Ogledov: 389; Prenosov: 17
.pdf Polno besedilo (687,87 KB)

8.
Supergalactic Structure of Energy-Angle Correlations
P. Sokolsky, J. P. Lundquist, 2020, objavljeni znanstveni prispevek na konferenci

Opis: Evidence for the supergalactic structure of multiplets (energy-angle correlations) has previously been shown using ultra-high energy cosmic ray (UHECR) data from Telescope Array (TA) with energies above 10^19 eV. The supergalactic deflection hypothesis (that UHECR sources and intervening magnetic fields are correlated) is measured by the all-sky behavior of the strength of intermediate-scale correlations. The multiplets are measured in spherical surface wedge bins of the field-of-view to account for uniform and random magnetic fields. The structure found is consistent with the previously published energy spectrum anisotropy results of TA and toy-model simulations of a supergalactic magnetic sheet. The 7 year data post-trial significance of this feature appearing by chance, on an isotropic sky, was found by Monte Carlo simulation to be ∼4σ. The analysis has now been applied to 10 years of data.
Najdeno v: ključnih besedah
Povzetek najdenega: ...been shown using ultra-high energy cosmic ray ( UHECR) data from Telescope Array (TA) with energies... ...is consistent with the previously published energy spectrum anisotropy results of TA and toy-model simulations...
Ključne besede: Cosmic rays, UHECR, energy spectrum, magnetic deflection, large-scale structure, supergalactic, multiplets
Objavljeno: 27.04.2020; Ogledov: 313; Prenosov: 15
.pdf Polno besedilo (1,66 MB)

9.
Supergalactic Structure of Multiplets with the Telescope Array Surface Detector
P. Sokolsky, J. P. Lundquist, 2019, objavljeni znanstveni prispevek na konferenci

Opis: Evidence of supergalactic structure of multiplets has been found for ultra-high energy cosmic rays (UHECR) with energies above 10^19 eV using 7 years of data from the Telescope Array (TA) surface detector. The tested hypothesis is that UHECR sources, and intervening magnetic fields, may be correlated with the supergalactic plane, as it is a fit to the average matter density within the GZK horizon. This structure is measured by the average behavior of the strength of intermediate-scale correlations between event energy and position (multiplets). These multiplets are measured in wedge-like shapes on the spherical surface of the fieldof-view to account for uniform and random magnetic fields. The evident structure found is consistent with toy-model simulations of a supergalactic magnetic sheet and the previously published Hot/Coldspot results of TA. The post-trial probability of this feature appearing by chance, on an isotropic sky, is found by Monte Carlo simulation to be ~4.5σ.
Najdeno v: ključnih besedah
Povzetek najdenega: ...been found for ultra-high energy cosmic rays ( UHECR) with energies above 10^19 eV using 7... ...UHECR, cosmic rays, energy spectrum, anisotropy, large-scale structure, magnetic deflection...
Ključne besede: UHECR, cosmic rays, energy spectrum, anisotropy, large-scale structure, magnetic deflection
Objavljeno: 28.04.2020; Ogledov: 340; Prenosov: 20
.pdf Polno besedilo (1,38 MB)

10.
Evidence of Intermediate-Scale Energy Spectrum Anisotropy in the Northern Hemisphere from Telescope Array
J. P. Lundquist, 2018, objavljeni znanstveni prispevek na konferenci

Opis: Evidence of an energy dependent intermediate-scale anisotropy has been found in the arrival directions of ultra-high energy cosmic rays in the northern hemisphere, using 7 years of TA surface detector data. The previously reported ``hot spot" excess E ≥ 10^19.75 EeV is found to correspond to a deficit, or ``cold spot," of events for 10^19.2≤ E < 10^19.75 EeV. This feature suggests energy dependent magnetic deflection of cosmic-rays. The global post-trial significance of the energy spectrum deviation is found to be 3.74σ.
Najdeno v: ključnih besedah
Povzetek najdenega: ... UHECR, cosmic rays, energy spectrum, anisotropy, magnetic deflection...
Ključne besede: UHECR, cosmic rays, energy spectrum, anisotropy, magnetic deflection
Objavljeno: 28.04.2020; Ogledov: 335; Prenosov: 15
.pdf Polno besedilo (4,87 MB)

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