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Detecting ultra-high energy cosmic rays from space with unprecedented acceptance: objectives and design of the JEM-EUSO mission

2011; Copernicus Publications; Volume: 7; Issue: 4 Linguagem: Inglês

10.5194/astra-7-477-2011

1810-6536

M. Casolino, Jenni Adams, М. Бертаина, M. J. Christl, Toshikazu Ebisuzaki, P. Gorodetzky, Y. Hachisu, F. Kajino, Y. Kawasaki, G. Medina‐Tanco, H. Miyamoto, Hitoshi Ohomori, E. Parizot, I. Park, P. Picozza, Н. Сакаки, A. Santangelo, K. Shinozaki, Y. Takizawa, K. Tsuno,

Gamma-ray bursts and supernovae

The Extreme Universe Space Observatory on the Japanese Experiment Module (JEM-EUSO) of the International Space Station (ISS) is the first mission that will study from space Ultra High-Energy Cosmic Rays (UHECR).JEM-EUSO will observe Extensive Air Showers (EAS) produced by UHECRs traversing the Earth's atmosphere from above.For each event, the detector will make accurate measurements of the energy, arrival direction and nature of the primary particle using a target volume far greater than what is achievable from ground.The corresponding increase in statistics will help to clarify the origin and sources of UHE-CRs as well as the environment traversed during production and propagation.Possibly this will bring new light onto particle physics mechanisms operating at energies well beyond those achievable by man-made accelerators.The spectrum of scientific goals of the JEM-EUSO mission includes as exploratory objectives the detection of high-energy gamma rays