Spectra and mass composition of ultrahigh-energy cosmic rays from point sources

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Ultrahigh-energy cosmic rays particle spectra from crypton decays

John Ellis, V. E. Mayes, and D. V. Nanopoulos Theory Division, Physics Department, CERN, CH 1211 Geneva 23, Switzerland George P. and Cynthia W. Mitchell Institute for Fundamental Physics, Texas A&M University, College Station, Texas 77843, USA Astroparticle Physics Group, Houston Advanced Research Center (HARC), Mitchell Campus, Woodlands, Texas 77381, USA and Academy of Athens, Division of Na...

متن کامل

New physics from ultrahigh energy cosmic rays

Observations of cosmic rays with energies above ∼ 4 × 10 GeV have inspired several speculative suggestions concerning their origin. The crucial question is whether or not the spectrum exhibits the expected ‘GZK cutoff’ at this energy — concerning which there are presently contradictory results. If there is indeed a cutoff, then the sources are cosmologically distant and rather exotic in nature....

متن کامل

Ultrahigh Energy Cosmic Rays Detection

The paper describes methods used for the detection of cosmic rays with energies above 1018 eV (UHECR, UltraHigh Energy Cosmic Rays). It had been anticipated there would be a cutoff in the energy spectrum of primary cosmic rays around 3·1019 eV induced by their interaction with the 2.7 K primordial photons. This has become known as the GZK cutoff. However, several showers have been detected with...

متن کامل

Flipped cryptons and ultrahigh energy cosmic rays

John Ellis, V. E. Mayes, and D.V. Nanopoulos Theory Division, Physics Department, CERN, CH 1211 Geneva 23, Switzerland George P. and Cynthia W. Mitchell Institute for Fundamental Physics, Texas A&M University, College Station, Texas 77843, USA Astroparticle Physics Group, Houston Advanced Research Center (HARC), Mitchell Campus, Woodlands, Texas 77381, USA and Academy of Athens, Division of Nat...

متن کامل

Ultrahigh Energy Cosmic Rays and Neutrinos

We discuss the relation between the highest energy cosmic rays (UHECR) and UHE neutrinos. The neutrinos produced in the sources of optically thin astrophysical sources have been linked to the UHECR emissivity of the Universe. The fluxes of cosmogenic neutrinos, generated in propagation by UHECR, also reflect the acceleration of these particles, the maximum acceleration energy, and the cosmologi...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Journal of Cosmology and Astroparticle Physics

سال: 2012

ISSN: 1475-7516

DOI: 10.1088/1475-7516/2012/04/035