Understanding the composition and homogeneity of the Earth's core-mantle boundary (CMB) is crucial to understanding the radiogenic heat of the Earth and the science of planetary formation. This talk discusses our work at the University of Hawai'i (UH) in collaboration with Tohoku University on an neutrino ocean bottom detector (OBD) with the goal of observing the CMD.
I will specifically...
The Earth’s mantle is bracketed by continental lithosphere above and Large Low Velocity Provinces (LLVPs) below, both of which can affect the efficiency of convective heat transfer within the mantle. Previous studies argue that continents act like insulators for the mantle, reducing surface heat flow and causing mantle temperatures to rise over time. In contrast, other studies show that LLVPs...
Using the Chooz method on segmented detectors has limitations when discussing multiple distributed nonhomogeneous sources, and identification between sources; something that we wish to understand about Earth's core-mantle boundary (CMB). Using our new method of neutrino directionality, we aim to solve these problems by implementing a new mathematical framework in the directional analysis of...
To investigate global Earth models with geoneutrino observations, it is crucial to characterize the surrounding crustal composition, since uranium (U) and thorium (Th) in the local crust contribute nearly half of the observed flux. In previous work, we developed a fully stochastic method to describe the 3D distribution of U and Th [1], along with a new geochemical approach to mitigate biases...