70 research outputs found

    Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station

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    A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. We present the detailed variation with rigidity of the flux spectral index for the first time. The spectral index progressively hardens at high rigidities.</p

    Multiuser Cognitive Relay Networks: Joint Impact of Direct and Relay Communications

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    Fracture behavior of Zr 55

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    The role of sp-hybridized atoms in carbon ferromagnetism: A spin-polarized density functional theory calculation

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    10.1088/0953-8984/22/4/046001Journal of Physics Condensed Matter224-JCOM
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