LANL - M. Leitch 1
New J/ suppression from 2008 d+Au datacompared to theory(Colorado, LANL, FSU)
J/ψ impact parameter dependence not linear with nuclear thickness(Colorado, LANL, FSU)
Recent Cold Nuclear Matter results from d+Au collisions
, and suppression for forward-rapidityd+Au (L. Guo – LANL)
Isolating & quantifying gluon saturation & CNM dE/dx
STAR (prelim)
Upsilon suppression in 2008 d+Au data(Korea U., LANL)
arXiv:1010.1246
arXiv:1010.1246
2/13/2011
LANL - M. Leitch 2
Plot by Leitch @ Seattle/INT Workshop – June 09
J/ψ
energy density
J/ψ Suppression in Au+Au Collisions
New Au+Au J/ suppression from 2007 compared to various theories(Colorado, LANL)
Recent attempt to extrapolate and divide out d+Au cold nuclear matter effects & show “anamolus” suppression in A+A from various experiments(Leitch)
versus centralityversus pT
PHENIX Internal
PHENIX Internal
2/13/2011
LANL - M. Leitch 3
Fixing cross-talk problems by terminating anodes in Muon Tracker – Important especially for W measurements in muon arms(LANL, RIKEN, Korea U.)
Manlift work on station-1 to put termination on
New capacitors that connect anodes to terminators
Terminators designed and installed in tight spaces
2/13/2011
LANL - M. Leitch 4
• replace central arms with solonoid magnet & compact EMCal & HCal• replace South muon arm with very-forward electron-capable spectrometer
(2016-2018)
Leitch (d+Au), Aidala (spin), van Hecke
2/13/2011