Background Processes in the Electrostatic Spectrometers of the KATRIN Experiment(Springer Theses)

物理学其他学科

原   价:
1510.00
售   价:
1208.00
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平台大促 低至8折优惠
发货周期:外国库房发货,通常付款后3-5周到货
出  版 社
出版时间
2016年08月27日
装      帧
ISBN
9783319376646
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页      码
196
开      本
9.21 x 6.14 x 0.45
语      种
英文
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图书简介
Neutrinos continue to燽e the most mysterious and, arguably, the most fascinating particles of the Standard Model as their intrinsic properties such as absolute mass scale and CP properties are unknown. The open question of the absolute neutrino mass scale will be addressed with unprecedented accuracy by the Karlsruhe Tritium Neutrino (KATRIN) experiment, currently under construction. 燭his thesis爁ocusses on the spectrometer part of KATRIN and background processes therein. Various background sources such as small Penning traps, as well as nuclear decays from single radon atoms are fully characterized here for the first time. Most importantly, however, it was possible to reduce the background in the spectrometer by more than five orders of magnitude by eliminating Penning traps and by developing a completely new background reduction method by stochastically heating trapped electrons using electron cyclotron resonance (ECR). 燭he work燽eautifully demonstrates that the obstacles and challenges in measuring the absolute mass scale of neutrinos can be met successfully if novel experimental tools (ECR) and novel computing methods (KASSIOPEIA) are combined to allow almost background-free爐ritium ?spectroscopy.
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