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Nuclear Physics Seminars

ics Nuclear
Tuesday, March 31, 2015
3:30 PM
Physics Building, Room 204
Dustin Keller [Host: Don Crabb]
University of Virginia
"Techniques of Uncertainty Reduction and Signal Extraction in Nuclear Physics"

Frequently small signals of interest are overwhelmed by background, systematic uncertainty, or statistical limitations. These types of constraints can degrade the quality of the observables under investigation. In some cases it is possible to improve the figure of merit using analytical tools while in others an experiment must be tactfully designed with error mitigation in mind. For a demonstration in error minimization in data analysis some branching ratios of the electromagnetic decays of the lower mass strange baryons are extracted using data from the CEBAF Large Acceptance Spectrometer (CLAS) detector in Hall B at Thomas Jefferson National Accelerator Facility. Some further examples are used for other experimental Halls as well as applications to systematic error minimization and plausible beam time reduction for polarized target experiments.

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