Bulletin of the American Physical Society
5th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Volume 63, Number 12
Tuesday–Saturday, October 23–27, 2018; Waikoloa, Hawaii
Session LF: Proton Puzzles III
9:00 AM–11:15 AM,
Saturday, October 27, 2018
Hilton
Room: King's 2
Chair: Jianwei Qiu, Jefferson Lab
Abstract ID: BAPS.2018.HAW.LF.3
Abstract: LF.00003 : Machine Learning and the Drell-Yan Cross-Section Ratios at E906 SeaQuest*
9:30 AM–9:45 AM
Presenter:
Daniel Morton
(Univ of Michigan - Ann Arbor)
Author:
Daniel Morton
(Univ of Michigan - Ann Arbor)
Multivariate analysis has successfully been employed at high and medium energy experiments, especially for the detection of rare events, and is being utilized now by SeaQuest. The E906 SeaQuest spectrometer measures muons produced from the Fermilab 120 GeV proton Main Injector beam incident on liquid Hydrogen, Deuterium and solid C, Fe and W targets. Utilizing coincident muon pairs, SeaQuest is sensitive to the Drell-Yan process and thus acts as a probe into nucleon structure, in particular the flavor asymmetry in the nucleon sea. This is explored by developing cross-section ratios of the targets, but corrections are needed for yields of background processes. This talk will focus on how the cross-section ratio of the targets is derived, including identification and subtraction of backgrounds comparing machine learning and other methods.
*NSF funding my studies, DOE for funding the experiment
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.HAW.LF.3
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