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Aug 4 – 7, 2022
MIT Laboratory for Nuclear Science
US/Eastern timezone

Performance of the BigBite Calorimeter during SBS-GMn Experiment

Aug 6, 2022, 11:30 AM
20m
26-414 (MIT Laboratory for Nuclear Science)

26-414

MIT Laboratory for Nuclear Science

Speaker

Provakar Datta (University of Connecticut)

Description

Nucleon elastic form factors help us understand the nucleon structure by probing their four-current distribution. But very little is known of neutron's magnetic form factor, $G^{n}_{M}$, for $Q^2 > 4$ $(\text{GeV}/\text{c})^2$. To shed some light in this area, an experiment, SBS-$G_M^n$ (E12-09-019), has run in Jefferson Lab's experimental Hall A from October 2021 to February 2022 and recorded data for several high precision measurements of $G_M^n$ in the range $3ratio" method. Systematic errors are greatly reduced by the use ofratio" method in which $G_M^n$ is extracted from the ratio of neutron-coincident to proton-coincident quasi-elastic electron scattering from deuteron. Upgraded BigBite Spectrometer (BB) is being used to detect scattered electrons and the new Super BigBite Spectrometer (SBS) is being used to detect both neutrons and protons. In this talk, I will present an overview of the experiment and the progress of data analysis including the offline calibration of detectors.

Primary author

Provakar Datta (University of Connecticut)

Presentation materials