Relativistic Heavy Ion Collider RHIC

HGURE 8.31 The phase diagram of strongly interacting matter. The antiproton-induced cold compression (c.c.) takes place at low temperatures and high densities, a regime that cannot be accessed in heavy-ion collisions. The curves with arrows denote dynamic trajectories of matter in heavy-ion collisions as expected at the future GSI facility and the relativistic heavy-ion collider (RHIC) at Brookhaven National Laboratory. 

National Nuclear Data Center, NNDC (BNL), http //www.nndc.bnl.gov/ Pacific Northwest National Laboratory, http //www.pnl.gov Relativistic Heavy-Ion Collider (RHIC), http //www.bnl.gov/RHIC Research Reactors Database, http //www.iaea.or.at/worldatoin/rrdb/ RIKEN Accelerator Research FadKty (RIKEN), http //www.rarLriken.go.jp The Svedberg Laboratory (TSL), http //www.tsl.uu.se The Texas A M Cyclotron Institute, http //cyclotron.tamu.edu... 

Basically, one distinguishes between pair creation, where the electron and positron are produced in free (continuum) states and pair creation with an electron in a bound state of one of the ions, for example, in a K-shell state. The latter process is also called bound-free pair production. Pair creation with electron capture into a bound state of the ion changes the charge state of the ion represents one of the major loss processes affecting the stability of ion beams in relativistic heavy-ion colliders. The corresponding cross-section for electron capture is of the order of 100 bam for RHIC energies in U92+(100 GeV/u) -I- U92+(100 GeV/u) collisions and determines the lifetime of ionic charge states in the beam and then the luminosity. 

MCGE Membrane-Coated Graphite Electrode RHIC Relativistic Heavy-Ion Collider... 

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