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Precision Measurements to Test the Standard Model and for Explosive Nuclear Astrophysics

Precision Measurements to Test the Standard Model and for Explosive Nuclear Astrophysics

Hardcover

Series: Springer Theses

General SciencePhysics

ISBN10: 3030307778
ISBN13: 9783030307776
Publisher: Springer Nature
Published: Dec 2 2019
Pages: 102
Weight: 0.77
Height: 0.31 Width: 6.14 Depth: 9.21
Language: English

This thesis presents two significant results in the field of precision measurements in low-energy nuclear physics. Firstly, it presents a precise half-life determination of 11C, leading to the most precise ft-value for a beta decay transition between mirror nuclides, an important advance in the testing of the electroweak sector of the Standard Model. Secondly, it describes a high-precision mass measurement of 56Cu, a critical nucleus for determining the path of the astrophysical rapid-proton capture process, performed by the author using the LEBIT Penning trap at the National Superconducting Cyclotron Laboratory. This new measurement resolves discrepancies in previously-reported calculated mass excesses. In addition, the thesis also presents the construction and testing of a radio-frequency quadrupole cooler and buncher that will be part of the future N = 126 factory at Argonne National Laboratory aimed at producing nuclei of interest for the astrophysical rapid-neutron capture process for the first time.

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