Cosmic ray physics with ARGO-YBJ

Montini, P.

doi:10.1016/j.nuclphysbps.2016.10.003

Cited by 3 publications

(3 citation statements)

References 27 publications

(37 reference statements)

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“…Right panel: The all-particle and proton plus helium energy spectra measured by ARGO-YBJ by using different experimental techniques; from Ref. [287].…”

Section: Fig 10 (Color Online)mentioning

confidence: 99%

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Cosmic ray models

Kachelrieß

Semikoz

2019

Progress in Particle and Nuclear Physics

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We review progress in high-energy cosmic ray physics focusing on recent experimental results and models developed for their interpretation. Emphasis is put on the propagation of charged cosmic rays, covering the whole range from ∼ (20 − 50) GV, i.e. the rigidity when solar modulations can be neglected, up to the highest energies observed. We discuss models aiming to explain the anomalies in Galactic cosmic rays, the knee, and the transition from Galactic to extragalactic cosmic rays.

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“…Right panel: The all-particle and proton plus helium energy spectra measured by ARGO-YBJ by using different experimental techniques; from Ref. [287].…”

Section: Fig 10 (Color Online)mentioning

confidence: 99%

“…The p+He spectra by CREAM[269], ARGO-YBJ[285] and the hybrid experiment[284] below the knee, the spectra by Tibet AS[286] and KASCADE[280,282] above the knee are shown for comparison. Right panel: The all-particle and proton plus helium energy spectra measured by ARGO-YBJ by using different experimental techniques; from Ref [287]…”

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confidence: 99%

Cosmic ray models

Kachelrieß

Semikoz

2019

Progress in Particle and Nuclear Physics

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“…Conflicting results for the knee in the flux of light elements were obtained by experiments using fluorescence technique and air shower arrays at high altitudes, as e.g. the ARGO-YBJ experiment [8]. This experiment combined results from its ground array with Cherenkov Telescope, finding a knee-like structure in the combined p+He flux around 700 TeV.…”

Section: Position Of Proton Kneementioning

confidence: 99%

Transition from Galactic to Extragalactic Cosmic Rays

Kachelrieß¹

2019

EPJ Web Conf.

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The question at which energy the transition from Galactic to extragalactic cosmic rays takes place has been a long-standing conundrum in cosmic ray physics. In the past, the transition energy has been usually associated with one of the evident features of the cosmic ray spectrum: The second knee around E≃5 ×1017 eV or the ankle at E≃3 ×1018 eV. I review anisotropy and composition data and show that they require that the transition from Galacticto extragalactic CRs has to happen early, at few ×1017 eV. As a result, a successful model for the transition should explain the ankle as a feature of the extragalactic CR spectrum. I review briefly such models and their implications.

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Expectation on probing the origin of the cosmic ray knee with the LHAASO experiment

Jin

Yin

Chen

et al. 2019

Radiat Detect Technol Methods

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The cosmic-ray (CR) knee and the compositions contain abundant information for probing the CR's origin, acceleration and propagation mechanisms, as well as the frontier of the fundamental physics. Realizing that major proposals toward the knee's shape can be divided into two categories: the rigidity-dependent (also Z-dependent) knee and the mass-dependent (also A-dependent) knee, where the former one relates to the acceleration or the propagation mechanisms, and the other one is often associated with the new physics, it is essential to precisely measure the individual compositions. Benefit from the high altitude and hybrid detection methods, the LHAASO experiment has the ability in determining the individual component and brings us an opportunity in discriminating these two models. We test this expected ability of LHAASO from 100 TeV to 10 PeV with 3-year observation. And find the dominant component at the knee is essential to this issue, while much heavier nuclei occupying the knee leads to higher significance. In the analysis, the He-dominant knee under the A-dependent case can be recognized at the significance about 6.6 σ, while the P-dominant knee under the Z-dependent case will be classified with 2 σ significance.

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Cosmic ray physics with ARGO-YBJ

Cited by 3 publications

References 27 publications

Cosmic ray models

Cosmic ray models

Transition from Galactic to Extragalactic Cosmic Rays

Expectation on probing the origin of the cosmic ray knee with the LHAASO experiment

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