**Meet the editor**

Zbigniew Szadkowski obtained his Doctorate degree in theoretical physics with the thesis "Quarks mixing in the chiral SU4 x SU4 and SU6 x SU6 symmetries" from the University of Łódź.

In 2007, he obtained his DSci degree in experimental physics with the habilitation thesis "Triggers in the Pierre Auger Observatory – Designs, Implementation and the

Impact on the Experimental Results" from the University of Łódź. Since 2012, he has been the head of the Department in High-Energy Astrophysics at the University of Łódź.

Since 1999, he has worked in the Pierre Auger Observatory, where he developed the Second Level Trigger for the Fluorescence Detector, the First Level Trigger implemented in 1660 surface detectors, as well as many advanced algorithms for surface and radio detectors based on the discrete cosine transform, artificial neural networks, wavelets, linear predictions, etc.

Contents

**Preface VII**

**Section 1 Extragalactic Cosmic Rays 1**

Zbigniew Szadkowski

**Section 2 Galactic Cosmic Rays 39**

**around Us 41**

William R. Webber

Risto Jalkanen

Halzen

**Correlation Reversal 79**

Chapter 6 **Cosmic Ray Cradles in the Galaxy 99**

**Energy Spectra 121**

Chapter 1 **Introductory Chapter: Ultrahigh-Energy Cosmic Rays 3**

Chapter 2 **Gamma Ray Bursts: Progenitors, Accretion in the Central Engine, Jet Acceleration Mechanisms 13** Agnieszka Janiuk and Konstantinos Sapountzis

Chapter 3 **Cosmic Ray Muons as Penetrating Probes to Explore the World**

Paola La Rocca, Domenico Lo Presti and Francesco Riggi

Chapter 4 **Galactic Cosmic Rays from 1 MeV to 1 GeV as Measured by**

Chapter 5 **Galactic Cosmic Rays and Low Clouds: Possible Reasons for**

Chapter 7 **Exploration of Solar Cosmic Ray Sources by Means of Particle**

Jorge Perez-Peraza and Juan C. Márquez-Adame

Svetlana Veretenenko, Maxim Ogurtsov, Markus Lindholm and

Mehmet Guenduez, Julia Becker Tjus, Björn Eichmann and Francis

**Voyager beyond the Heliopause 61**
