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Abstract: The Alpha Magnetic Spectrometer AMS-02 has been installed in May 19, 2011 on the International Space Station, where it will detect cosmic rays for the next decades. AMS-02 with its accurate measurements up to the TeV scale will contribute to our knowledge of the Universe providing the most sensitive search for the existence of primordial anti matter and indirect search for dark matter. The Time Of Flight (TOF) detector of the AMS-02 experiment provides the trigger to the AMS detector, the time of flight and the absolute charge measurements. The flight operations and the performances of the TOF in Space will be presented. [Copyright &y& Elsevier]

Abstract: AMS-02 is a high energy particle detector deployed in May 19, 2011 on board of the International Space Station (ISS) where it is expected to be in operation for the ISS lifetime of at least a decade. The main goal of AMS-02 is the detection of cosmic rays and gammas from the GeV to the TeV energy region to search for anti-matter, dark matter and understanding the origin of the cosmic rays. The AMS-02 time of flight (TOF) detector provides the trigger to experiment and allows precise measurements of the cosmic rays velocity and charge magnitude from hydrogen to iron and above. With the data set acquired during the first two and a half years of operation in space, a precise time-dependent calibration for time, velocity and charge measured by the TOF had been developed. The TOF calibration methods are described and the AMS-02 TOF performance in space is presented. [Copyright &y& Elsevier]