page_title: Fermilab E-906/SeaQuest
section_title: Overview
hierarchical_section_title: Fermilab E-906/SeaQuest / Overview
caption_attribution_description: English: 3D picture of the spectrometer layout for E-906
context_page_description: Fermilab E-906/SeaQuest is a particle physics experiment which will use Drell–Yan process to measure the contributions of antiquarks to the structure of the proton or neutron and how this structure is modified when the proton or neutron is included within an atomic nucleus.
context_section_description: The Fermilab E-906/SeaQuest experiment is part of a series of fixed target Drell–Yan experiments designed to measure the quark and antiquark structure of the nucleon and the modifications to that structure.  With these measurements, SeaQuest will also be able to quantify the energy loss of a colored parton (quark) travelling through cold, strongly-interacting matter.
  SeaQuest has been approved by Fermilab to extend previous down to up antiquark measurements to larger Bjorken x.  It will use a 120 GeV proton beam extracted from the Fermilab Main Injector.  The experiment will also examine the modifications to the antiquark structure of the proton from nuclear binding.
caption: E-906 Spectrometer Image
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