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Advantages of multiple detectors for the neutrino mass hierarchy determination at reactor experiments
Ciuffoli, E; Evslin, J; Wang ZM(王志民); Wang, ZM; Yang, CG; Zhang, XM; Zhong, WL; Zhang XM(张新民); Yang ZG(杨长根); Zhong WL(钟玮丽)
2014
Source PublicationPHYSICAL REVIEW D
ISSN2470-0010
EISSN2470-0029
Volume89Issue:7Pages:73006
AbstractWe study the advantages of a second identical detector at a medium baseline reactor neutrino experiment. A major obstruction to the determination of the neutrino mass hierarchy is the detector's unknown nonlinear energy response, which even under optimistic assumptions reduces the sensitivity to the hierarchy by about 1 sigma at a single detector experiment. Various energy response models are considered at one-and two-detector experiments with the same total target mass. A second detector at a sufficiently different baseline eliminates this 1s reduction. Considering the unknown energy response, we find the sensitivity to the hierarchy at various candidate detector locations for JUNO and RENO 50. The best site for JUNO's near detector is under ZiLuoShan, 17 and 66 km from the Yangjiang and Taishan reactor complexes, respectively. We briefly describe other advantages, including a more precise determination of theta(12) and the possibility of a DAE delta ALUS-inspired program to measure the CP-violating phase delta using a single pion source about 10 km from one detector and 20 km from the other. Two identical half-sized detectors provide a better energy resolution than a single detector, further increasing the sensitivity to the hierarchy.
Subject AreaAstronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.89.073006
Indexed BySCI ; INSPIREHEP ; ADS
Language英语
WOS IDWOS:000334316800005
ADS Bibcode2014PhRvD..89g3006C
ADS URLhttps://ui.adsabs.harvard.edu/abs/2014PhRvD..89g3006C
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2014PhRvD..89g3006C/citations
inspireid1246169
inspireURLhttps://inspirehep.net/literature/1246169
Citation statistics
Cited Times:23 [INSPIRE]
Cited Times:21 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/225268
Collection理论物理室
粒子天体物理中心
Recommended Citation
GB/T 7714
Ciuffoli, E,Evslin, J,Wang ZM,et al. Advantages of multiple detectors for the neutrino mass hierarchy determination at reactor experiments[J]. PHYSICAL REVIEW D,2014,89(7):73006.
APA Ciuffoli, E.,Evslin, J.,王志民.,Wang, ZM.,Yang, CG.,...&钟玮丽.(2014).Advantages of multiple detectors for the neutrino mass hierarchy determination at reactor experiments.PHYSICAL REVIEW D,89(7),73006.
MLA Ciuffoli, E,et al."Advantages of multiple detectors for the neutrino mass hierarchy determination at reactor experiments".PHYSICAL REVIEW D 89.7(2014):73006.
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