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Time dependent Geomagnetic Cutoff estimation along the ISS orbit

Jul 30, 2015, 3:30 PM
1h
Theater Foyer (World Forum)

Theater Foyer

World Forum

Churchillplein 10 2517 JW Den Haag The Netherlands
Board: 34
Poster contribution SH-EX Poster 1 SH

Speaker

Matteo Duranti (Universita e INFN, Perugia (IT))

Description

In this contribution we present the calculation of a realistic, time dependent geomagnetic cutoff along the International Space Station orbit, at ?400 km above the Earth?s surface with an inclination of 51.6 degrees. For this work, based on the analysis of data collected by the AMS02 experiment during the first year of operation, the TS05 and IGRF models have been employed, including the temporal variation of the external component of the geomagnetic field due to the solar activity. The evaluation of the cutoff has been performed every 30 seconds along the ISS orbit by means of a backtracing technique of 1500 random trajectories simulated in the field of view of the AMS-02 experiment at any given ISS location. The technique and its results will be discussed, as well as the relevance of this study to distinguish galactic cosmic rays from trapped secondary components in the geomagnetic field.
Registration number following "ICRC2015-I/" 370

Primary author

Dr Emanuele Fiandrini (University and INFN Perugia,Italy)

Co-authors

Bruna Bertucci (Universita e INFN, Perugia (IT)) Cecilia Pizzolotto (Universita e INFN, Perugia (IT)) Davide Grandi (Universita & INFN, Milano-Bicocca (IT)) Davide Rozza (Universita & INFN, Milano-Bicocca (IT)) Domenico D'Urso (Universita e INFN, Perugia (IT)) Federico Donnini (Universita e INFN (IT)) Francesco Nozzoli (Universita e INFN, Perugia (IT)) Giuseppe La Vacca (Universita & INFN, Milano-Bicocca (IT)) Mario Zannoni (Universita & INFN, Milano-Bicocca (IT)) Marta Crispoltoni (Universita e INFN, Perugia (IT)) Massimo Gervasi (Universita & INFN, Milano-Bicocca (IT)) Matteo Boschini (Univ. degli Studi Milano-Bicocca (IT)) Matteo Duranti (Universita e INFN, Perugia (IT)) Maura Graziani (Universita e INFN (IT)) Mauro Tacconi (Universita & INFN, Milano-Bicocca (IT)) Pier-Giorgio Rancoita (Universita & INFN, Milano-Bicocca (IT)) Dr Simonetta Pensotti (University and INFN Milano-Bicocca) Stefano Della Torre (Universita & INFN, Milano-Bicocca (IT)) Vincenzo Vitale (Universita e INFN, Perugia (IT))

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