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太阳中微子光谱

Spectroscopy of Solar Neutrinos

Michael Wurm, Franz von Feilitzsch, Marianne Goeger-Neff, Tobias Lachenmaier, Timo Lewke, Quirin Meindl, Randoplh Moellenberg, Lothar Oberauer, Walter Potzel, M… 展开作者

Michael Wurm, Franz von Feilitzsch, Marianne Goeger-Neff, Tobias Lachenmaier, Timo Lewke, Quirin Meindl, Randoplh Moellenberg, Lothar Oberauer, Walter Potzel, Marc Tippmann, Christoph Traunsteiner, Juergen Winter

摘要:

近年来,液体闪烁体探测器为低能天体物理中微子源的观测打开了一扇新的窗口。2007年,太阳中微子实验Borexino开始在格兰萨索地下实验室进行数据采集。探测器的高能量分辨率和良好的放射性背景条件允许首次在亚MeV能量范围内对太阳中微子进行光谱测量。BERREX-7中微子通量测量的实验结果以及太阳硼-8,PEP和CNO中微子的探测前景的背景下,目前讨论的太阳金属丰度的模糊性。此外,未来的SNO+和LENA实验的高精度太阳中微子光谱的潜力将被概述。

英文摘要:

In the last years, liquid-scintillator detectors have opened a new window for the observation of low-energetic astrophysical neutrino sources. In 2007, the solar neutrino experiment Borexino began its data-taking in the Gran Sasso underground laboratory. High energy resolution and excellent radioactive background conditions in the detector allow the first-time spectroscopic measurement of solar neutrinos in the sub-MeV energy regime. The experimental results of the Beryllium-7 neutrino flux measurements as well as the prospects for the detection of solar Boron-8, pep and CNO neutrinos are presented in the context of the currently discussed ambiguities in solar metallicity. In addition, the potential of the future SNO+ and LENA experiments for high-precision solar neutrino spectroscopy will be outlined.

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