Virtual Physics Division Seminar

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  • Virtual Physics Division Seminar
    https://bluejeans.com/245615984
    Remote
    2021-04-02EDT12:00:00 ~ 2021-04-02EDT13:00:00
    15137
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Virtual Physics Division Seminar
Arun Tadepalli
Jefferson Lab

The SeaQuest Experiment: Anti-Quark Flavor Asymmetry in the Nucleon, Nuclear Dependence of Anti-Quarks in Nuclei and more!

Abstract: The Fermilab E906/SeaQuest is an experiment aimed at studying the anti-quark distributions of nucleons and nuclei. The experiment uses a 120 GeV/c proton beam extracted from the Main Injector at Fermilab to collide with various solid and cryogenic targets to study a variety of physics topics. The experiment takes advantage of the Drell-Yan process in order to probe specifically the high-x anti-quark distributions of the target nucleus. Comparison of Drell-Yan cross-section ratios of liquid hydrogen and deuterium allows SeaQuest to probe the dbar(x)/ubar(x) ratio up to a region of ~0.45 in Bjorken-x which is crucial for non-perturbative models that are aimed at explaining the origin of the nucleon sea. The experiment has also taken data on carbon, iron and tungsten to study nuclear dependence of Drell-Yan dimuons, parton energy loss in cold nuclear matter and more. Recent results on anti-quark flavor asymmetry published in Nature and other ongoing analysis efforts will be highlighted in this talk.

Event Date
-
Location
Remote
Category
Scientific Program
Seminars
Contact Name
Douglas Higinbotham
Phone
(757) 269-7851