SLIDE 1
Review of Particle Physics, Phys. Lett. B 667 (2008) 1
Review of Particle Physics, Phys. Lett. B 667 (2008) 1
Charmonia Review of Particle Physics, Phys. Lett. B 667 (2008) 1 - - PowerPoint PPT Presentation
Charmonia Review of Particle Physics, Phys. Lett. B 667 (2008) 1 - - PowerPoint PPT Presentation
Charmonia Review of Particle Physics, Phys. Lett. B 667 (2008) 1 Bottomonia Review of Particle Physics, Phys. Lett. B 667 (2008) 1 Hints from lattice QCD Heavy quark free energy vacuum free energy screening O.Kaczmarek, PoS CPOD07 (2007) 043
SLIDE 2
SLIDE 3
Heavy quark free energy
O.Kaczmarek, PoS CPOD07 (2007) 043
vacuum free energy screening
Hints from lattice QCD
SLIDE 4
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1 1.2 1.4 1.6 1.8 2 2.2 !E[GeV] T/Tc J/psi 0.5 1 1.5 2 2.5 1 1.2 1.4 1.6 1.8 2 2.2 R[fm] T/Tc J/psi
Hints from lattice QCD
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.04 1.06 1.08 1.1 1.12 1.14 1.16 !E[GeV] T/Tc psi’ " 0.5 1 1.5 2 2.5 3 1.04 1.06 1.08 1.1 1.12 1.14 1.16 1.18 1.2 R[fm] T/Tc psi’ !
binding energies bound state radii
H.Satz, J. Phys. G 32 (2006) R25
SLIDE 5
Charmonia: experimental detection
Dimuon yield in Pb-Pb collisions at = 17 .3 GeV √s
NN
NA50 Collaboration data, plot taken from O.Drapier’ s lecture in Torino, Dec.2008
SLIDE 6
J/ψ suppression in HIC (1)
NA38 Collaboration data, plot taken from O.Drapier’ s lecture in Torino, Dec.2008
Suppression… with respect to the dimuon continuum (so what?)
SLIDE 7
“Normal” J/ψ suppression in HIC
data from various SPS collaborations, plot from O.Drapier’ s lecture in Torino, Dec.2008
σJ/ψ
pA = σJ/ψ NN × Aα
σJ/ψ
pA = σJ/ψ NN Ae−σabsρL
vs.
SLIDE 8
“Normal” J/ψ suppression in HIC
data from various SPS collaborations, plot from O.Drapier’ s lecture in Torino, Dec.2008
σJ/ψ
pA = σJ/ψ NN × Aα
σJ/ψ
pA = σJ/ψ NN Ae−σabsρL
vs.
SLIDE 9
“Normal” J/ψ suppression in HIC
data from various SPS collaborations, plot from O.Drapier’ s lecture in Torino, Dec.2008
σJ/ψ
pA = σJ/ψ NN × Aα
σJ/ψ
pA = σJ/ψ NN Ae−σabsρL
vs.
SLIDE 10
“Normal” J/ψ suppression in HIC
data from various SPS collaborations, plot from O.Drapier’ s lecture in Torino, Dec.2008
σJ/ψ
pA = σJ/ψ NN × Aα
σJ/ψ
pA = σJ/ψ NN Ae−σabsρL
vs. σabs(J/ψ) = 4.18 ± 0.35 mb
SLIDE 11
; anomalous suppression in smaller systems: sequential melting?
J/ψ, ψ’ suppression in HIC (2)
data from NA50 & NA51 Coll., plot taken from O.Drapier’ s lecture in Torino, Dec.2008
ψ′ “Normal” ( ) + “anomalous” suppressions! σabs σabs(J/ψ) = σabs(ψ′)
SLIDE 12
J/ψ suppression in HIC (3)
data from SPS collaborations, plot taken from O.Drapier’ s lecture in Torino, Dec.2008
SLIDE 13
J/ψ suppression in HIC (4)
data from SPS collaborations, plot taken from O.Drapier’ s lecture in Torino, Dec.2008
Let’ s change the reference, to emphasize the anomalous suppression.
SLIDE 14
J/ψ suppression in HIC (4a)
data from SPS collaborations, plot taken from O.Drapier’ s lecture in Torino, Dec.2008
Let’ s change the abscissa…
SLIDE 15
J/ψ suppression in HIC (4a)
data from SPS collaborations, plot taken from O.Drapier’ s lecture in Torino, Dec.2008
Let’ s change the abscissa again…
SLIDE 16
J/ψ suppression in HIC (5)
PHENIX data: Phys. Rev. Lett. 98 (2007) 232301 NA60 data: Phys. Rev. Lett. 99 (2007) 132302