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Physics beyond the Standard Model: experiments at the Gran Sasso Laboratory

机译:超越标准模型的物理学:格兰萨索实验室的实验

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Experiments in underground laboratories have shown strong evidence of physics beyond the Standard Model. The anomalies observed in electron neutrinos from the sun and muon neutrinos from cosmic rays interacting in the atmosphere can be explained if neutrinos are massive and oscillate. The physics program at the Gran Sasso Laboratory that we are defining will focus on the next phase of neutrino physics with a complementary set of experiments on the muon-neutrino beam from CERN (CNGS project), on solar neutrinos, on atmospheric neutrinos and on neutrinos from supernova explosions. The relevant thermonuclear cross-sections will be measured. The Majorana vs. Dirac nature of electron neutrinos will be explored with the search for neutrinoless double beta decays in different isotopes. Experiments on non-baryonic dark matter are reaching a sensitivity that brings them close to being able to detect neutralinos in certain optimistic theoretical expectations. The program at Gran Sasso for the next years will include a strong effort to increase further the sensitivity by orders of magnitude with different complementary techniques.
机译:地下实验室的实验已经证明了超出标准模型的物理学证据。如果中微子的质量很大且发生振荡,则可以解释在太阳的电子中微子和宇宙射线中的宇宙射线的μ子中微子中观察到的异常。我们正在定义的Gran Sasso实验室的物理学程序将集中在中微子物理学的下一阶段,并通过来自CERN(CNGS项目)的μ子-中微子束,太阳中微子,大气中微子和中微子的补充实验集来自超新星爆炸。将测量相关的热核横截面。电子中微子的马约拉纳对狄拉克性质将通过寻找不同同位素中的无中微子双β衰变来探索。非重流暗物质的实验已经达到了一种敏感性,使它们接近能够以某些乐观的理论期望检测中性粒子。未来几年,Gran Sasso的计划将包括大力努力,通过使用不同的补充技术将灵敏度进一步提高几个数量级。

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