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1.
Azimuthal asymmetry in the risetime of the surface detector signals of 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, 2016, izvirni znanstveni članek

Opis: The azimuthal asymmetry in the risetime of signals in Auger surface detector stations is a source of information on shower development. The azimuthal asymmetry is due to a combination of the longitudinal evolution of the shower and geometrical effects related to the angles of incidence of the particles into the detectors. The magnitude of the effect depends upon the zenith angle and state of development of the shower and thus provides a novel observable, (secθ)max, sensitive to the mass composition of cosmic rays above 3×1018  eV. By comparing measurements with predictions from shower simulations, we find for both of our adopted models of hadronic physics (QGSJETII-04 and EPOS-LHC) an indication that the mean cosmic-ray mass increases slowly with energy, as has been inferred from other studies. However, the mass estimates are dependent on the shower model and on the range of distance from the shower core selected. Thus the method has uncovered further deficiencies in our understanding of shower modeling that must be resolved before the mass composition can be inferred from (secθ)max.
Najdeno v: ključnih besedah
Povzetek najdenega: ...ultra-high energy cosmic rays ( UHECR), UHECR mass composition, Pierre Auger Observatory, extensive air showers, Auger Sur...
Ključne besede: ultra-high energy cosmic rays (UHECR), UHECR mass composition, Pierre Auger Observatory, extensive air showers, Auger Surface Detector signals risetime, azimuthal symmetry
Objavljeno: 15.04.2016; Ogledov: 2353; Prenosov: 0
.pdf Polno besedilo (698,19 KB)

2.
Measurement of the mass composition of ultra-high energy cosmic rays with 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, Mariangela Settimo, 2016, objavljeni znanstveni prispevek na konferenci

Najdeno v: ključnih besedah
Povzetek najdenega: ...ultra-high energy cosmic rays ( UHECR), Pierre Auger Observatory, UHECR mass composition...
Ključne besede: ultra-high energy cosmic rays (UHECR), Pierre Auger Observatory, UHECR mass composition
Objavljeno: 09.11.2016; Ogledov: 2038; Prenosov: 154
.pdf Polno besedilo (1,24 MB)

3.
Report of the Working Group on the Composition of Ultra High Energy Cosmic Rays
Marko Zavrtanik, Danilo Zavrtanik, Serguei Vorobiov, Samo Stanič, Ahmed Saleh, Andrej Filipčič, R. Abbasi, 2016, objavljeni znanstveni prispevek na konferenci

Najdeno v: ključnih besedah
Povzetek najdenega: ...ultra-high energy cosmic rays ( UHECR), UHECR mass composition, Pierre Auger Observatory, Telescope Array, cross-calibrati...
Ključne besede: ultra-high energy cosmic rays (UHECR), UHECR mass composition, Pierre Auger Observatory, Telescope Array, cross-calibration studies
Objavljeno: 17.11.2016; Ogledov: 2047; Prenosov: 0
.pdf Polno besedilo (448,71 KB)

4.
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: 2076; Prenosov: 109
.pdf Polno besedilo (1,73 MB)

5.
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... ...hybrid detection technique, UHECR energy spectrum, UHECR mass composition, UHECR arrival directions...
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: 1730; Prenosov: 251
.pdf Polno besedilo (861,47 KB)

6.
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: 1666; Prenosov: 0
.pdf Polno besedilo (1,06 MB)

7.
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: 1479; Prenosov: 0
.pdf Polno besedilo (475,69 KB)

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