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41.
The Fermi Galactic Center GeV Excess and Implications for Dark Matter
Gabrijela Zaharijas, 2017, izvirni znanstveni članek

Najdeno v: ključnih besedah
Povzetek najdenega: ... cosmic rays – Galaxy: bulge – Galaxy: center...
Ključne besede: cosmic rays – Galaxy: bulge – Galaxy: center – Galaxy: halo – gamma rays: general – ISM: general
Objavljeno: 13.07.2017; Ogledov: 1641; Prenosov: 0
.pdf Polno besedilo (7,21 MB)

42.
Astroparticle studies at the Pierre Auger Observatory
Lili Yang, predavanje na tuji univerzi

Opis: The Pierre Auger Observatory (PAO), the world’s largest cosmic ray detector combines a large surface detector (SD) with an air fluorescence detector (FD). It is designed to observe extensive air showers (EAS) of billions of secondary particles induced by the UHECRs in the earths’ atmosphere. The “hybrid” design (i.e., detected simultaneously by SD and FD) provides wealth of information about shower development and excellent event reconstruction. Together with observations of UHECRs, the Surface Detector (SD) of the PAO is sensitive to UHE neutrinos through the observation of deeply initiated inclined down-going showers produced by neutrino interactions in the atmosphere, which method has been well established. On the other hand, high-energy photons can also be discriminated from background of charged cosmic rays based on their characters of the shower front. In this talk, I will give a review on recent results from PAO and introduce the ultra-high energy multi-messenger studies from PAO.
Najdeno v: ključnih besedah
Povzetek najdenega: ...Pierre Auger Observatory (PAO), the world’s largest cosmic ray detector combines a large surface detector... ...be discriminated from background of charged cosmic rays based on their characters of the shower...
Ključne besede: Pierre Auger Observatory, cosmic rays, ultra-high energy
Objavljeno: 17.01.2018; Ogledov: 1173; Prenosov: 0
.pdf Polno besedilo (8,86 MB)
Gradivo ima več datotek! Več...

43.
Very high-energy gamma-ray signature of ultrahigh-energy cosmic-ray acceleration in Centaurus A
Jagdish Joshi, Marlui Miranda, Lili Yang, Soebur Razzaque, 2017, objavljeni povzetek znanstvenega prispevka na konferenci

Opis: The association of at least a dozen ultrahigh-energy cosmic-ray (UHECR) events with energy 54 EeV or higher detected by the Pierre Auger Observatory from the direction of Centaurus-A, the nearest radio galaxy, supports the scenario of UHECR acceleration in the jets of radio galaxies. Multiwavelength observations of Centaurus-A suggest that the inner jet is likely the site for particle acceleration, which emits in X-ray to very high-energy (VHE) gamma-ray. We model broadband spectral energy distribution with emission from shock-accelerated electrons and protons in a combined synchrotron-self-Compton and photo-hadronic scenario. The UHECR flux from Centaurus-A, required to explain Pierre Auger data, successfully explains observed VHE gamma rays as photo-hadronic emission.
Najdeno v: ključnih besedah
Povzetek najdenega: ...Auger data, successfully explains observed VHE gamma rays as photo-hadronic emission....
Ključne besede: Centaurus A, gamma ray, cosmic rays
Objavljeno: 17.01.2018; Ogledov: 1150; Prenosov: 0
.pdf Polno besedilo (2,27 MB)

44.
45.
Cosmic-ray electron-positron spectrum from 7 GeV to 2 TeV with the Fermi Large Area Telescope
Gabrijela Zaharijas, 2017, izvirni znanstveni članek

Najdeno v: ključnih besedah
Ključne besede: Fermi LAT, Cosmic rays
Objavljeno: 15.02.2018; Ogledov: 1093; Prenosov: 0
.pdf Polno besedilo (1,07 MB)

46.
47.
Dipolar anisotropy of cosmic rays above 8 EeV
Marko Zavrtanik, Danilo Zavrtanik, Lili Yang, Serguei Vorobiov, Marta Trini, Samo Stanič, Ahmed Saleh, Gašper Kukec Mezek, Andrej Filipčič, Oscar Taborda, 2017, objavljeni znanstveni prispevek na konferenci

Najdeno v: ključnih besedah
Ključne besede: Pierre Auger Observatory, dipolar anisotropy, cosmic rays
Objavljeno: 16.02.2018; Ogledov: 959; Prenosov: 83
.pdf Polno besedilo (411,21 KB)

48.
49.
Probing Lorentz symmetry 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, D. Boncioli, 2017, objavljeni znanstveni prispevek na konferenci

Najdeno v: ključnih besedah
Povzetek najdenega: ...Observatory, Lorentz invariance violation, ultra-high energy cosmic rays...
Ključne besede: Pierre Auger Observatory, Lorentz invariance violation, ultra-high energy cosmic rays
Objavljeno: 16.02.2018; Ogledov: 972; Prenosov: 84
.pdf Polno besedilo (309,46 KB)

50.
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