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high energy cosmic rays

Different approaches to determine the composition of the ultra-high energy cosmic rays in the Pierre Auger Observatory

Different approaches to determine the composition of the ultra-high energy cosmic rays in the Pierre Auger Observatory

... The Cherenkov light produced by the particles of the extensive air shower is produced in the interior of the Auger WCD. The WCDs are cylindrical plastic tanks with 1.8 m radius and 1.55 m height. The tanks contain 12 t ...

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First Search for Point Sources of High Energy Cosmic Neutrinos with the ANTARES Neutrino Telescope

First Search for Point Sources of High Energy Cosmic Neutrinos with the ANTARES Neutrino Telescope

... Introduction High energy cosmic rays permeate the universe, but their origins remain ...of cosmic rays, high energy neutrinos may also be ...of cosmic ...

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Chasing the cosmic accelerators with high energy astroparticles

Chasing the cosmic accelerators with high energy astroparticles

... gamma rays are produced through hadronic processes, when cosmic rays accelerated by pulsars interact with molecular ...ultra-high- energy cosmic rays and ...

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Formation of large NAT particles and denitrification in polar stratosphere: possible role of cosmic rays and effect of solar activity

Formation of large NAT particles and denitrification in polar stratosphere: possible role of cosmic rays and effect of solar activity

... the energy of alpha particles De- twiler and Vonnegut (1980) and Seeley et ...not high enough to initiate freezing under the conditions they ...have energy larger than 100 Mev with significant ...

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Radio detection of cosmic rays with the Auger Engineering Radio Array

Radio detection of cosmic rays with the Auger Engineering Radio Array

... of cosmic rays above the knee region make their study possible only through the detection of the extensive air showers (EAS) produced by their interaction with the constituents of the ...largest high ...

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Canonical constraints on leptonic CP violation using ultrahigh energy cosmic ray neutrino fluxes

Canonical constraints on leptonic CP violation using ultrahigh energy cosmic ray neutrino fluxes

... ULTRA HIGH ENERGY COSMIC RAYS Ultra high energy cosmic rays and their detectors have attracted a fair amount of attention in recent ...

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Commissioning of the CMS High-Level Trigger with cosmic rays

Commissioning of the CMS High-Level Trigger with cosmic rays

... Run 68021 incorporated most of the detectors that were missing in the previous run; how- ever, the forward calorimeter (HF) was not included. In addition, an increase in the number of triggers from 16 to 24 added ...

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Propagation of Ultrahigh Energy Cosmic Rays in the Galaxy and Search for their Sources

Propagation of Ultrahigh Energy Cosmic Rays in the Galaxy and Search for their Sources

... different sets of RM for extragalactic sources are shown in Figure 2.4. Figure 2.4 (left panel) presents RM for 2247 extragalactic sources covering all sky, from Kro- nberg and Newton-McGee (2009) [138]. Figure 2.4 ...

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Energy Estimation of Cosmic Rays with the Engineering Radio Array of the Pierre Auger Observatory

Energy Estimation of Cosmic Rays with the Engineering Radio Array of the Pierre Auger Observatory

... of cosmic-ray air ...the cosmic-ray energies and arrival ...the energy deposit per area is determined from the radio pulses at each observer position and is interpolated using a two-dimensional ...

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Commissioning of the ATLAS Muon Spectrometer with Cosmic Rays

Commissioning of the ATLAS Muon Spectrometer with Cosmic Rays

... Given the uncertainties introduced by the addi- tional parameters in the fit procedure, the strategy for alignment in the barrel is slightly different from the one in the end-cap. Dedicated runs without magnetic field in ...

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Dark Matter Indirect Detection with charged cosmic rays

Dark Matter Indirect Detection with charged cosmic rays

... dominant, energy losses slightly deplete the high energy part of the antiproton spectrum and replenish its low energy tail, flattening ...once energy losses come into ...low ...

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EXTASIS: Radio detection of cosmic rays at low frequencies

EXTASIS: Radio detection of cosmic rays at low frequencies

... The radio technique may prove useful for the detection of ultra-high energy neutrinos in ice [2]. Most experiments (such as CODALEMA [3], LOFAR [4], AERA [5] or Tunka-Rex [6]) measure the electric field ...

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Commissioning of the ATLAS Muon Spectrometer with cosmic rays

Commissioning of the ATLAS Muon Spectrometer with cosmic rays

... Given the uncertainties introduced by the additional para- meters in the fit procedure, the strategy for alignment in the barrel is slightly different from the one in the end-cap. Ded- icated runs without magnetic field ...

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Alignment of the CMS silicon tracker during commissioning with cosmic rays

Alignment of the CMS silicon tracker during commissioning with cosmic rays

... TeV energy scale exploit- ing the proton-proton collisions delivered by the Large Hadron Collider (LHC) ...with high pattern recognition efficiency ...

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Sources and detection of high-energy cosmic events

Sources and detection of high-energy cosmic events

... efficient cosmic-ray acceleration in a nebula behind the ejecta shell (see Section ...of high-energy particles with the surrounding ejecta ...the energy losses and interactions experienced by ...

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The cosmic ray muon energy spectum via Čerenkov radiation

The cosmic ray muon energy spectum via Čerenkov radiation

... I con- structed a signal chain for measurement, collected data for muon energies with the goal of constructing the muon energy spectrum from different Cerenkov spec[r] ...

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Calibration of the CMS drift tube chambers and measurement of the drift velocity with cosmic rays

Calibration of the CMS drift tube chambers and measurement of the drift velocity with cosmic rays

... the cosmic rays, as compared to muons from proton-proton collisions, dedicated adjustments were needed to properly configure the DT trigger for high efficiency during ...with cosmic ...

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Cosmic Bell Test Using Random Measurement Settings from High-Redshift Quasars

Cosmic Bell Test Using Random Measurement Settings from High-Redshift Quasars

... a cosmic Bell experiment with polarization-entangled photons, in which measurement settings were determined based on real-time measurements of the wavelength of photons from high-redshift quasars, whose ...

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Chaotic Magnetic Fields Due to Asymmetric Current Configurations - Modeling Cross-Field Particle Diffusion in Cosmic Rays

Chaotic Magnetic Fields Due to Asymmetric Current Configurations - Modeling Cross-Field Particle Diffusion in Cosmic Rays

... of cosmic rays in the interplanetary space cannot be explained unless there is diffusion of the energetic particles across the interplanetary magnetic field ...of cosmic rays is assumed to be ...

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A large light-mass component of cosmic rays at 1017–1017.5 electronvolts from radio observations

A large light-mass component of cosmic rays at 1017–1017.5 electronvolts from radio observations

... Author Contributions All authors are part of the LOFAR collaboration and have contributed to the de- sign, construction, calibration, and maintenance of LOFAR and/or LORA. The first thirteen authors consti- tute the ...

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