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The PHENIX Experiment at RHIC Decadal Plan 2011–2020

The PHENIX Experiment at RHIC Decadal Plan 2011–2020. replace central magnet with solonoid replace central arms with compact EMCal & HCal replace South muon arm with DIS-style electron spectrometer. (2016-2018). New mid-rapidity detector layers. Upsilons.

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The PHENIX Experiment at RHIC Decadal Plan 2011–2020

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  1. The PHENIX Experiment at RHIC Decadal Plan 2011–2020 • replace central magnet with solonoid • replace central arms with compact EMCal & HCal • replace South muon arm with DIS-style electron spectrometer (2016-2018)

  2. New mid-rapidity detector layers Upsilons

  3. Heavy Ion Physics: Midterm Physics Plan VTX FVTX x coverage FOCAL??

  4. Heavy Ion Physics: sPHENIX Physics Plan • Are quarks strongly coupled to the quark-gluon plasma at all interaction distance scales? • What are the detailed mechanisms for parton-QGP interactions and responses? Are the interactions coherent over the entire medium length scale, what are the dominant energy loss mechanisms? • Are there quasi-particles in the medium? What is their mass and width? • Is there a relevant color screening length in the quark-gluon plasma? • How is rapid equilibration and entropy production achieved? • What is the nature of color charge in large nuclei? What role does gluon saturation and the EMC effect play in nucleus-nucleus collisions? How do these modifications evolve? new mid-rapidity detector new forward rapidity detector

  5. Nucleon Structure Physics: Midterm Physics Plan • Constraining the flavor-separated sea quark helicity distributions via W measurements in longitudinally polarized $p+p$ collisions at sqrt(s) = 500 GeV. • Probing Delta-g(x) down to lower momentum fractions in longitudinally polarized p+p collisions at sqrt(s) = 500 GeV. • Explore several transverse spin measurements in transversely polarized p+p collisions at sqrt(s)=200 GeV and lower energies.

  6. Nucleon Structure Physics: sPHENIX Physics Plan • Dynamical Origins of Spin-Dependent Interactions • New Probes of Longitudinal Spin Effects • Measurements with Polarized He3 and Increased Energies

  7. e-A Physics with sPHENIX

  8. Projected Luminosities & Strawman PHENIX Run Plan

  9. (about 5 pages) (267 pages)

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