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arXiv 1004.3474physics.ins-dethep-exhep-ph
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LENA探测器的物理势

The Physics Potential of the LENA Detector

Michael Wurm, Franz von Feilitzsch, Marianne Goeger-Neff, Tobias Lachenmaier, Timo Lewke, Quirin Meindl, Randolph Moellenberg, Lothar Oberauer, Juha Peltoniemi,… 展开作者

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

摘要:

大体积液体闪烁体探测器LENA(低能中微子天文学)已被提议作为下一代低能中微子实验。太阳、超新星和地中微子的高精度光谱学提供了一个新的途径,可以观察到地球、太阳和重恒星的内部。由于强有力的背景歧视,弥漫超新星中微子背景的检测预计将首次在LENA。质子寿命衰变为K介子和反中微子的灵敏度将比现有的实验极限提高一个数量级。最近的研究表明,液体闪烁体探测器能够重建中微子事件,即使在GeV的能量,提供了机会,使用LENA远探测器在长基线中微子束实验。

英文摘要:

The large-volume liquid-scintillator detector LENA (Low Energy Neutrino Astronomy) has been proposed as a next-generation experiment for low-energy neutrinos. High-precision spectroscopy of solar, Supernova and geo-neutrinos provides a new access to the otherwise unobservable interiors of Earth, Sun and heavy stars. Due to the potent background discrimination, the detection of the Diffuse Supernova Neutrino Background is expected for the first time in LENA. The sensitivity of the proton lifetime for the decay into Kaon and antineutrino will be increased by an order of magnitude over existing experimental limits. Recent studies indicate that liquid-scintillator detectors are capable to reconstruct neutrino events even at GeV energies, providing the opportunity to use LENA as far detector in a long-baseline neutrino beam experiment.

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