Analysis of fixed target collisions with the STAR detector

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STAR detector arrayη=1.0η=1.5η=2.0blue tracks =non–centralbeampipeeventAl BeamPipeBe BeamPipeAl BeamPipe6
CollisionEnergy(GeV)19.6Au+Au11.5Au+Au7.7Au+AuKinematic CalculationsSingle BeamEnergy√sNN = centerof massenergySingle Beam Pz(GeV/c)9.8 9.765.75 5.673.85 3.74Fixed Target√s4.47Au+Al3.53Au+Al2.99Au+AlSingle BeamRapidity• √sNN = √2m 2 + 2Emm = 0.9315 GeV/c 2 ; E = 9.8 GeV• √sNN = 4.47 GeV• pz = √E 2 – m 2 = 9.76 GeV/cCenter of MassRapidity3.04 1.522.51 1.252.10 1.05rapidity (y)• ybeam = 0.5*[ln(E + pz)/(E – pz)]• ybeam = 3.0• ycm = 1.57
Page 1 and 2: Analysis of fixed target collisions
Page 3 and 4: Creating mini-big bangs in the labo
Page 5: STAR has fixed target events?• go
Page 9 and 10: Particle identification via dE/dxdE
Page 11 and 12: π + /π - yield ratiosCoulomb Pot
Page 13 and 14: Conclusions and Outlook• We can d
Page 15: Source'Coulomb'Poten/al'Ra/o'as'a'f

Analysis of fixed target collisions with the STAR detector

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