超纯闪烁体中超新星中微子的光谱
Spectrum of Supernova Neutrinos in Ultra-pure Scintillators
摘要:
人们对通过首次观测中性流反应来测量来自核心坍缩超新星的中微子的非电子成分有着极大的兴趣。为了评估在这方面的超纯制冷剂的物理潜力,我们研究了Borexino,KamLAND和SNO+探测器的整个预期能谱。我们研究的各种来源的不确定性的期望,特别是,由于特定的探测器功能和相关的截面。我们讨论的可能性,以确定不同的中微子的味道,我们量化的混乱的影响,由于其他成分的能量谱,重叠的中性电流反应的兴趣。
英文摘要:
There is a great interest in measuring the non-electronic component of neutrinos from core collapse supernovae by observing, for the first time, also neutral-current reactions. In order to assess the physics potential of the ultra-pure scintillators in this respect, we study the entire expected energy spectrum in the Borexino, KamLAND and SNO+ detectors. We examine the various sources of uncertainties in the expectations, and in particular, those due to specific detector features and to the relevant cross sections. We discuss the possibility to identify the different neutrino flavors, and we quantify the effect of confusion, due to other components of the energy spectrum, overlapped with the neutral-current reactions of interest.
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