Antiproton modulation in the Heliosphere and AMS-02 antiproton over proton ratio prediction
We implemented a quasi time-dependent 2-D stochastic model of solar modulation describing the transport of cosmic rays (CR) in the heliosphere. Our code can modulate the Local Interstellar Spectrum (LIS) of a generic charged particle (light cosmic ions and electrons), calculating the spectrum at 1 A...
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| Veröffentlicht in: | Astrophysics and space sciences transactions 2011-07, Vol.7 (3), p.245-249 |
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| container_title | Astrophysics and space sciences transactions |
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| creator | Bobik, P. Boschini, M. J. Consolandi, C. Della Torre, S. Gervasi, M. Grandi, D. Kudela, K. Pensotti, S. Rancoita, P. G. |
| description | We implemented a quasi time-dependent 2-D stochastic model of solar modulation describing the transport of cosmic rays (CR) in the heliosphere. Our code can modulate the Local Interstellar Spectrum (LIS) of a generic charged particle (light cosmic ions and electrons), calculating the spectrum at 1 AU. Several measurements of CR antiparticles have been performed. Here we focused our attention on the CR antiproton component and the antiproton over proton ratio. We show that our model, using the same heliospheric parameters for both particles, fit the observed p/p ratio. We show a good agreement with BESS-97 and PAMELA data and make a prediction for the AMS-02 experiment. |
| doi_str_mv | 10.5194/astra-7-245-2011 |
| format | Article |
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| title | Antiproton modulation in the Heliosphere and AMS-02 antiproton over proton ratio prediction |
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