发表机构
Indian Institute of Science Education and Research Kolkata(印度科学教育研究所加尔各答分校)
机构由 AI 辅助整理,请以论文原文为准。AI 中文总结
基于弯曲时空狄拉克方程,将无质量中微子味态建模为能量依赖的两能级量子态,重新分析KamLAND数据,获得比标准有质量中微子范式更高的似然拟合。
AI 中文摘要
稳态弯曲时空中的狄拉克方程意味着,描述两味中微子振荡需要将每个传播态的不变质量与守恒能量分别处理,因为引力对能量的影响不同于对质量的影响。通过重新分析公开的KamLAND数据集,我们表明,将无质量中微子的味态建模为具有能量依赖能级分裂的两能级量子态(类似于修正的Jaynes-Cummings模型),所得拟合观测数据的似然度高于标准有质量中微子范式。
英文摘要
The Dirac equation in stationary curved spacetime implies that describing two-flavor neutrino oscillations requires treating the invariant mass and conserved energy of each propagating state distinctly, as gravity affects energy differently than mass. By re-analysing the publicly released KamLAND dataset, we show that modeling flavor states of massless neutrinos as two-level quantum states with energy-dependent level splitting, analogous to modified Jaynes-Cummings models, results in a higher-likelihood fit to the observed data than the standard massive-neutrino paradigm.
Comments5 pages, 2 figures