|Facility||Species||Energy||Research Areas||Number of Users per Year||Future Upgrades|
|ANL ATLAS Argonne, Ill.||Protons, heavy ions (1 ≤ A ≤ 238), some rare isotope beams||<18 A MeV||Study of atomic nuclei near and far of stability and at high spin, nuclear astrophysics, and fundamental symmetries with stable and radioactive beams. Accelerator physics.||411||CARIBU facility for stopped and reaccelerated fission products.|
|JLAB CEBAF Newport News, Va.||Electrons Free-electron laser||1-6 GeV 10 kW (IR)||Probe the nucleus to understand quark matter. Superconducting radiofrequency (RF) accelerator development.||1,206||Energy range increase to 12 GeV for better quark matter research. FEL upgrade to 1 kW in the UV range.|
|MSU NSCL East Lansing, Mich.||Protons, heavy ions (1 ≤ A ≤ 238), wide range of rare isotope beams||<200 A MeV||Study of atomic nuclei very far from stability, nuclear matter, nuclear astrophysics, and fundamental symmetries with radioactive beams. Accelerator physics.||718||ReA3 and ReA12 facilities for gas stopping and reacceleration of radioactive beams to 3 A MeV and 12 A MeV, respectively. Recoil separators.|
|BNL RHIC Upton, N.Y.||Heavy ion collider (d ≤ A ≤ Au)||(maxima) 100 + 100 A GeV (equivalent to fixed-target collisions at 21,000 A GeV)||Create, explore, and understand matter at extreme temperatures and energy densities governed by quantum chromodynamics (QCD).||1,100||Increasing RHIC’s luminosity. Detector upgrades.|
|Proton collider||250 + 250 GeV||Analyze behavior of gluons, quarks and antiquarks in protons.|
SOURCE: Information contained herein is based on the IUPAP Worldwide Overview of Research Facilities in Nuclear Physics, Booklet 41, available online at http://www.triumf.info/hosted/iupap/icnp/Report41-final-12-07-11.pdf. Except for MSU NSCL, the number of users per year is from the Summary Table, page xxix. The number of users per year for MSU NSCL is taken from the body of Booklet 41, given that the figure in the Summary Table is significantly lower than that listed in the body of the booklet.