日球层中反质子调制和AMS-02反质子与质子比的预测
Antiproton modulation in the Heliosphere and AMS-02 antiproton over proton ratio prediction
摘要：
我们实现了一个描述宇宙射线（CR）在日光层中传输的太阳调制的准时变二维随机模型。我们的代码可以调制一般带电粒子（轻宇宙离子和电子）的局部星际光谱（LIS），计算1AU的光谱。已经进行了几次CR反粒子的测量。在这里，我们把注意力集中在CR反质子分量和反质子与质子的比率。我们表明，我们的模型，使用相同的日光层参数的两种粒子，适合所观察到的反p/p比。结果与BESS-97和PAMELA数据吻合较好，并对AMS-02实验进行了预测。
英文摘要：
We implemented a quasi time-dependent 2D 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 1AU. 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 anti-p/p ratio. We show a good agreement with BESS-97 and PAMELA data and make a prediction for the AMS-02 experiment.
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