Date of Award
1-1-2023
Document Type
Dissertation
Degree Name
Ph.D. in Physics
First Advisor
Jake Bennett
Second Advisor
Jake Bennett
Third Advisor
Alakabha Datta
School
University of Mississippi
Relational Format
dissertation/thesis
Abstract
This PhD thesis presents a measurement of the direct ���� asymmetry, AΞ������, in the singly Cabibbo suppressed charm baryon decay Ξ+�� → Σ+��+��− using simulated and real data from the Belle II experiment. The full analysis is performed on a simulated dataset corresponding to an integrated luminosity of approximately 426.6 fb−1. The Cabibbo favored decay Λ+�� → Σ+��+��− is utilized as a control channel to account for detection asymmetries. The analysis is validated usingreal data for the control channel and systematic uncertainties are studied using simulated and real data. The measured ���� asymmetry in simulation, where no ���� asymmetry is expected, is found to be ��Ξ�� ���� = (0.9 } 3.5 } 1.3)%, where the first uncertainty is statistical and the second is systematic. The full analysis will be applied to real Belle II data and published along with other decay channels when similar studies have been completed for additional charm baryon decays. Additionally, this thesis presents a summary of development work related to Belle II distributed computing. This includes the introduction of dataset collections into the Belle II computing model, evaluation of Rucio as a Metadata Catalog, integration of Rucio with grid-based user tools, and development of a diagnostic tool to identify issues encountered during grid-based user analysis.
Recommended Citation
Panta, Anil, "Cp Asymmetry Measurement in Ξ+�� → Σ+��+��− and Distributed Computing Development at Belle II" (2023). Electronic Theses and Dissertations. 2705.
https://egrove.olemiss.edu/etd/2705