Nobuyuki Kobayashi

Associate Professor, Research Center for Nuclear Physics, Osaka University *Profile is at the time of the award.

2023Inamori Research GrantsScience & Engineering

Research topics
Novel study of nuclear reactions by crystal targets
Keyword
Summary
All materials on the earth are composed of atoms, and the atomic nucleus uniquely determines their properties. From previous studies, we know that the nucleus can be deformed depending on the nuclide and has various shapes such as lemon-shaped and pancake-shaped. These deformations are determined by the balance of the number of protons and neutrons that make up the nucleus, but the details of the mechanisms driving the deformations are not well understood. In this research, in order to directly observe this deformation mechanism, we will develop a new method to measure the shape with an accuracy of several fm using a crystal target.

Comment

This research may turn the world on its head!?

Outline of Research Achievments

The objective of this study is to measure the spatial distribution of nuclear wave functions by using a nuclear beam as a probe. This method enables the direct observation of wave-function distributions and can therefore be regarded as a “nuclear microscope.” While the spatial resolution of conventional electron microscopes is on the order of 0.1 nm, which limits their capability to visualizing structures at the atomic scale, the present study aims to achieve a resolution of approximately 2 fm. In numerical terms, this corresponds to an improvement of about a factor of 500,000 compared to electron microscopes. This study is impactful in that it enables the observation of objects that have previously been impossible to measure.


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