[Jlabsa_gs] Pizza Seminar - Wednesday, December 19, 2018
Jodi Patient
patient at jlab.org
Thu Dec 13 17:08:30 EST 2018
Jefferson Lab's Graduate Student and Post-Doc Association Wiki:
https://gspda.jlab.org/wiki/index.php/Main_Page
Please RSVP to: patient at jlab.org by COB on December 17.
Wednesday, December 19, 2018
***F113***
12:00-1:00 pm
"The Proton Radius"
OR
"How I Stopped Worrying and Learned to Love Uncertainty"
Douglas W. Higinbotham
Jefferson Lab
Abstract: In 2010, a muonic Lamb shift experiment rocked the atomic and nuclear
physics communities by extracting a proton radius that was significantly smaller
than previously determined. This new result launched many new electron-scattering
and atomic Lamb shift experiments to discover the source of the difference: new
physics or simply problems with the older measurements. I will review some of the
recent proton radius results as well as present a discussion of the fundamental
concepts of fitting experimental data: concepts that are at the heart of machine
learning algorithms.
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