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Large-Scale Cosmic-Ray Anisotropy with KASCADE

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TLDR
In this article, the results of an analysis of the large-scale anisotropy of cosmic rays in the PeV range were presented, and the Rayleigh formalism was applied to the right ascension distribution of extensive air showers measured by the KASCADE (Karlsruhe Shower Core and Array Detector) experiment.
Abstract
We present the results of an analysis of the large-scale anisotropy of cosmic rays in the PeV range. The Rayleigh formalism is applied to the right ascension distribution of extensive air showers measured by the KASCADE (Karlsruhe Shower Core and Array Detector) experiment. The data set contains about 108 extensive air showers in the energy range 0.7-6 PeV. No hints of anisotropy are visible in the right ascension distributions in this energy range. This accounts for all showers, as well as for subsets containing showers induced by predominantly light or heavy primary particles, respectively. Upper flux limits for Rayleigh amplitudes are determined to be between 10-3 at a primary energy of 0.7 PeV and 10-2 at 6 PeV.

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DissertationDOI

Measurement of ultra-high energy cosmic rays with CHICOS

Elina Brobeck
TL;DR: The California HIgh school Cosmic ray ObServatory (CHICOS) is a ground-based scintillator array designed to measure the extended air showers of ultra-high energy cosmic rays as mentioned in this paper.
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Overview on Direct and Indirect Measurements of Cosmic Rays

TL;DR: In this paper, an overview of results from direct and indirect measurements of galactic cosmic rays is given, and their implications on the contemporary understanding of the origin of cosmic rays and the knee in their energy spectrum are discussed.

The large scale structure of the nearby universe

TL;DR: In this article, a supervised neural network approach was proposed for the determination of photometric redshifts using the Sloan Digital Sky Survey (SDSS) spectroscopic dataset.
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Cosmic ray anisotropies to 5 PeV

TL;DR: In this paper, the amplitude and phase of the first harmonic of the cosmic ray (CR) were derived with reasonable precision and up to higher energies, and a measure of understanding follows from the use of two-dimensional maps of cosmic ray excesses over the mean background.
References
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CORSIKA: A Monte Carlo code to simulate extensive air showers

TL;DR: In this paper, the evolution of the information seeking and use models for professionals, essentially, the information access practices, is discussed. But two main categories can be distinguished : the informationseeking and use model versus the information retrieval model, and we will evaluate them in order to see if a convergence is possible with the same vocabulary and procedures.
Journal ArticleDOI

Quark-Gluon String Model and EAS Simulation Problems at Ultra-High Energies

TL;DR: The reliability of model calculations is of considerable significance because at energies above those attained by accelerators only model predictions enable us to extract primary cosmic ray characteristics as discussed by the authors, which is of particular relevance in the case of EAS simulations.
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