A framework for testing leptonic unitarity by neutrino oscillation experiments
文献类型：期刊论文
| 作者 | Fong, CS; Minakata, H; Nunokawa, H |
| 刊名 | JOURNAL OF HIGH ENERGY PHYSICS
 |
| 出版日期 | 2017 |
| 期号 | 2 |
| 关键词 | Beyond Standard Model Neutrino Physics |
| DOI | 10.1007/JHEP02(2017)114 |
| 文献子类 | Article |
| 英文摘要 | If leptonic unitarity is violated by new physics at an energy scale much lower than the electroweak scale, which we call low-scale unitarity violation, it has different characteristic features from those expected in unitarity violation at high-energy scales. They include maintaining flavor universality and absence of zero-distance flavor transition. We present a framework for testing such unitarity violation at low energies by neutrino oscillation experiments. Starting from the unitary 3 active plus N (arbitrary positive integer) sterile neutrino model we show that by restricting the active-sterile and sterile sterile neutrino mass squared differences to greater than or similar to 0.1 eV(2) the oscillation probability in the (3 + N) model becomes insensitive to details of the sterile sector, providing a nearly model independent framework for testing low-scale unitarity violation. Yet, the presence of the sterile sector leaves trace as a constant probability leaking term, which distinguishes low scale unitarity violation from the high-scale one. The non-unitary mixing matrix in the active neutrino subspace is common for the both cases. We analyze how severely the unitarity violation can be constrained in ye-row by taking a JUNO-like setting to simulate medium baseline reactor experiments. Possible modification of the features of the (3 + N) model due to matter effect is discussed to first order in the matter potential. |
| 语种 | 英语 |
| WOS记录号 | WOS:000395018900008 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/297568]  |
| 专题 | 江门中微子实验 |
| 推荐引用方式 GB/T 7714 | Fong, CS,Minakata, H,Nunokawa, H. A framework for testing leptonic unitarity by neutrino oscillation experiments[J]. JOURNAL OF HIGH ENERGY PHYSICS,2017(2). |
| APA | Fong, CS,Minakata, H,&Nunokawa, H.(2017).A framework for testing leptonic unitarity by neutrino oscillation experiments.JOURNAL OF HIGH ENERGY PHYSICS(2). |
| MLA | Fong, CS,et al."A framework for testing leptonic unitarity by neutrino oscillation experiments".JOURNAL OF HIGH ENERGY PHYSICS .2(2017). |
入库方式： OAI收割
来源：高能物理研究所
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