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Uncertainty in the reactor neutrino spectrum and mass hierarchy determination

文献类型：期刊论文

作者Ciuffoli, E1; Evslin, J1; Mohammed, H1
刊名JOURNAL OF HIGH ENERGY PHYSICS
出版日期2019
卷号2019期号:10页码:18
关键词Neutrino Detectors and Telescopes (experiments) Oscillation
ISSN号1029-8479
DOI10.1007/JHEP10(2019)143
通讯作者Ciuffoli, E.(emilio@impcas.ac.cn)
英文摘要One of the challenges that must be overcome in order to determine the neutrino mass hierarchy using reactor neutrinos is the theoretical uncertainty in the unoscillated reactor neutrino spectrum: this is one of the reasons why, recently, it was proposed to add a near detector to the JUNO experiment. A model-independent treatment of the spectrum uncertainty will be discussed, as well as the effect that it will have on the final result. Moreover, since the neutrino spectrum depends on the chemical composition of the fuel, the spectra at the near and far detectors will be different, because they will receive neutrinos from different cores. Taking into account the time evolution of the chemical composition of the fuel in the reactor core, it is possible to reconstruct the far detector spectrum from the near detector data. We will show that the method used to reconstruct the spectrum can affect sensitivity to the mass hierarchy, however if the near detector is large enough the difference will be negligible.
资助项目[CAS Key Research Program of Frontier Sciences] ; [NSFC MianShang grants] ; [NSFC] ; [Recruitment Program of Highend Foreign Experts]
WOS研究方向Physics
语种英语
WOS记录号WOS:000491112300001
出版者SPRINGER
资助机构CAS Key Research Program of Frontier Sciences ; NSFC MianShang grants ; NSFC ; Recruitment Program of Highend Foreign Experts
源URL[http://119.78.100.186/handle/113462/136873]  
专题中国科学院近代物理研究所
作者单位1.Institute of Modern Physics, Chinese Academy of Sciences
2.University of Chinese Academy of Sciences, CAS
推荐引用方式
GB/T 7714		 Ciuffoli, E,Evslin, J,Mohammed, H. Uncertainty in the reactor neutrino spectrum and mass hierarchy determination[J]. JOURNAL OF HIGH ENERGY PHYSICS,2019,2019(10):18.
APA Ciuffoli, E,Evslin, J,&Mohammed, H.(2019).Uncertainty in the reactor neutrino spectrum and mass hierarchy determination.JOURNAL OF HIGH ENERGY PHYSICS,2019(10),18.
MLA Ciuffoli, E,et al."Uncertainty in the reactor neutrino spectrum and mass hierarchy determination".JOURNAL OF HIGH ENERGY PHYSICS 2019.10(2019):18.

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来源：近代物理研究所

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