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首页> 外文会议>Proceedings of the 32nd International Cosmic Ray Conference >Atmospheric muon and neutrino fluxes and their relation to the Cosmic Ray mass composition at the knee
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Atmospheric muon and neutrino fluxes and their relation to the Cosmic Ray mass composition at the knee

机译：膝盖上的大气μon和中微子通量及其与宇宙线质量组成的关系

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摘要

The observation of astrophysical neutrinos by current high energy neutrino observatories, such as IceCubeor ANTARES requires detailed understanding of the atmospheric neutrino background. This inevitable background isproduced by extensive air showers and, as a consequence, its calculation requires detailedmodeling of Cosmic-Ray energyspectra from TeV to EeV energies and beyond. The knee is the most prominent feature in this energy range. To simulatethe absolute atmospheric neutrino and muon flux spectrum and to study their sensitivity to the mass composition in theknee energy range, we have parametrized the primary CR energy spectra of the H, He, C, Si, and Fe components basedon direct experiments and on KASCADE unfolding results. The simulations were performed with CORSIKA employingdifferent hadronic interaction models. We present the results, compare the simulated spectra with the ones measured bycurrent neutrino telescopes, and discuss the potential of observing the knee in atmospheric muon and neutrino spectraand of inferring information about the mass composition of cosmic rays in the knee energy range.
机译：当前的高能中微子观测站（如IceCubeor ANTARES）对天体中微子的观测需要对大气中微子背景的详细了解。这种不可避免的背景是通过大量的空气淋浴产生的，因此，其计算需要对从TeV到EeV能量以及更高能量的宇宙射线能谱进行详细建模。膝盖是该能量范围内最突出的特征。为了模拟绝对大气中微子和μ子通量谱，并研究它们对膝盖能量范围内质量组成的敏感性，我们基于直接实验和KASCADE对H，He，C，Si和Fe组分的主要CR能谱进行了参数化展现结果。通过采用不同强子相互作用模型的CORSIKA进行模拟。我们给出了结果，将模拟光谱与当前中微子望远镜测得的光谱进行了比较，并讨论了在大气μ子和中微子光谱中观察膝盖的潜力以及推断有关膝盖能量范围内宇宙射线质量组成信息的潜力。

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