cosmic rays
Galactic cosmic rays
... of cosmic rays (CRs) is no exception to this rule: generally speaking it is fair to say that at present there is little doubt in the Physics community at large, that the bulk of CRs are produced in the ...
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Precision measurements of the properties of cosmic rays at the highest energies
... an amplitude of 6.5% with a significance of more than 5.2 σ. Another highlight is the follow-up of a gravitational wave event (GW170817), looking for high-energy neutrinos with the Auger observatory [4, 5]. No neutrinos ...
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Cosmic rays measurements around the knee of the primary spectrum
... Abstract. In this contribution I will summarize and discuss some recent results about the study of the knee of the cosmic rays energy spectrum, indicating that this spectral feature is originated by ...
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Ultra-high energy cosmic rays: Setting the stage
... The controversy between the AGASA and HiRes results was instrumental in the formation of this new collaboration [3]. The idea was to construct an AGASA-like surface array and place it in proximity to a HiRes-like ...
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Status and perspectives of the radio detection of highenergy cosmic rays
... High-energy cosmic rays impinging on the atmosphere of the Earth initiate cascades of sec- ondary particles, the extensive air showers. Many secondary particles are electrons and positrons. They emit ...
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The highest-energy cosmic-rays – the past, the present and the future
... Work on cosmic rays in Australia was greatly stimulated by the arrival of C B A McCusker at the University of Sydney in 1959. He is best known for his leadership in the construction of an array covering 100 ...
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The origin of cosmic rays and TeV gamma-ray astronomy
... charged cosmic rays and not by gamma rays. Cosmic ray air show- ers are in general much more irregular with significantly more energy transferred to larger lateral distances from the shower ...
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The World in an Equation: A Reappraisal of the Lemaître’s Primeval Cosmic Rays
... in cosmic rays [2]. It is now believed that most cosmic rays come from a number of sources such as the Sun, some stars, supernovae and their remains, neutron stars, and black ...that ...
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The Anisotropy of Cosmic Rays and the Global Anisotropy of Physical Space
... studying cosmic rays in the region of spectrum break according to GZK (due to absorbing by relic pho- tons), an important contribution can be made from extra- galactic sources at a range lesser 100 Mps from ...
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Measurement of Ultra High Energy Cosmic Rays with CHICOS
... energy cosmic rays would only be observable if they originate from a relatively small volume around our ...energy cosmic rays that originate farther away would be observed as an accumulation ...
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One century of cosmic rays – A particle physicist's view
... Around the same time, Victor Hess (Fig. 1) took measurements on two flights in 1911 and found “no essential change” in the amount of radiation compared with near the ground. This implied the existence of a radiation ...
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Cosmic rays and stochastic magnetic reconnection in the heliotail
... that cosmic rays can achieve is approximately between ...average cosmic rays up to about 1–10 ...related cosmic ray distribution at a given ...TeV cosmic parti- cles experience ...
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LHCf experiment: forward physics at LHC for cosmic rays study
... of cosmic ray experiments. Highest energy cosmic rays can only be detected from secondary particles which are produced by the interaction of the primary particles with nuclei of the atmosphere, the ...
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Ionization of the Venusian atmosphere from solar and galactic cosmic rays
... updated cosmic ray ionization profiles for the venusian atmosphere, using for the first time a full 3D Monte Carlo modeling approach taking into account the complete GCR spectrum between 1 MeV/nucleon–1 TeV/nucleon ...
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Investigation of the Influence of Galactic Cosmic Rays on Clouds and Climate in Antarctica
... etc. Cosmic rays of galactic and solar origin are difficult to ...galactic cosmic rays (GCR) consisting mainly of high energy radiation of sub-atomic particles is known to decrease with ...
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Studies of Cosmic Rays at the Highest Energies with the Pierre Auger Observatory
... the cosmic ray spectrum known as the “ankle" (at about 5 EeV) is not settled ...scenario), cosmic rays are supposed to be extragalactic protons down to energies below 1 EeV and the concave shape ...
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Fermi bubbles as sources of cosmic rays above 1 PeV
... Such large accelerators which fill a substantial volume of the Galaxy should also modify the distribution of Galactic cosmic rays. It is generally accepted that supernova (SN) explosions in our Galaxy can ...
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Investigating cosmic rays and air shower physics with IceCube/IceTop
... that cosmic rays are electrically ...a cosmic ray at Earth can be accurately measured, but it cannot be traced back to its ...of cosmic rays ...the cosmic ray arrival ...
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Radio detection of cosmic rays with the Auger Engineering Radio Array
... Mass composition sensitivity is also present in radio signals. We have successfully reconstructed the depth of shower maximum of air showers from radio measurements with AERA, and they are in agreement with measurements ...
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Ultrahigh-energy cosmic rays: Anomalies, QCD, and LHC data
... of cosmic rays with nuclei in the earth atmosphere, up to √ s NN ≈ 450 ...ultrahigh-energy cosmic rays (UHECR, with E CR ≈ 10 17 –10 20 eV) feature now, after parameter retuning ...
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