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New air fluorescence detectors employed in the Telescope Array experiment
H. Tokuno, Y. Tameda, M. Takeda +134
Since 2007, the Telescope Array (TA) experiment, based in Utah, USA, has been observing ultra high energy cosmic rays to understand their origins. The experiment involves a surface…
Global Transients in ultraviolet and red-infrared ranges from data of the "Universitetsky-Tatiana-2" satellite
G. K. Garipov, B. A. Khrenov, P. A. Klimov +11
Detectors of fast flashes (duration of 1-128 ms) in near ultraviolet (240-400 nm) and red-infrared (>610 nm) ranges on board the "Universitetsky-Tatiana-2" satellite have measured…
Design and Fabrication of Detector Module for UFFO Burst Alert & Trigger Telescope
A. Jung, S. Ahmad, K. -B. Ahn +39
The Ultra-Fast Flash Observatory (UFFO) pathfinder is a space mission devoted to the measurement of Gamma-Ray Bursts (GRBs), especially their early light curves which will give cru…
Optical Performances of Slewing Mirror Telescope for UFFO-Pathfinder
S. Jeong, K. -B. Ahn, J. W. Nam +21
The Ultra-Fast Flash Observatory-Pathfinder (UFFO-P) is to be launched onboard Lomonosov spacecraft in November 2011. It is to measure early UV/Optical photons from Gamma Ray Burst…
The UFFO (Ultra Fast Flash Observatory) Pathfinder: Science and Mission
P. Chen, S. Ahmad, K. Ahn +39
Hundreds of gamma-ray burst (GRB) optical light curves have been measured since the discovery of optical afterglows. However, even after nearly 7 years of operation of the Swift Ob…
Ground and excited charmonium state production in p+p collisions at sqrt(s)=200 GeV
A. Adare, S. Afanasiev, C. Aidala +444
We report on charmonium measurements [J/psi(1S), psi'(2S), and chi_c(1P)] in p+p collisions at sqrt(s)=200 GeV. We find that the fraction of J/psi coming from the feed-down decay o…
The JEM-EUSO Mission
Toshikazu Ebisuzaki
The JEM-EUSO mission explores the origin of the extreme energy cosmic rays (EECRs) above 100 EeV and explores the limits of the fundamental physics through the observations of thei…