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NUPECC 2012Copenhagen
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12/05/11 Jens Jørgen Gaardhøje, NBI & DISCOVERY 2
Morphology of CMB and HIC. Commonality and perspectives. P. Naselsky , PLANCK scientist
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DISCOVERY presentation by xx 3
DISCOVERY A Unique Center with Unique Opportunities
Direct and unique access to data from the most powerful experiments available today :
– The Large Hadron Collider (LHC) at CERN exploring p+p and Pb+Pb collisions at unprecedented high energies (ATLAS and ALICE experiments)
– The Planck satellite mission with unique
resolution and sensitivity of the sky.
3/5/2012
DISCOVERY unites strong groups in:Theory, Fundamental Particle Physics,Quark Gluon Plasma Physics Cosmic Microwave Radiation Physics, …which most places rarely work together.
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?
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Theory of Inflation
PLANCK
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Why the Universe is DARK ?
Isocurvature perturbations from the QCD phase
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DISCOVERY presentation by xx 7
Early Universe vs. Collisions of Heavy Ions
3/5/2012
CMB sky Heavy Ion Collision
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Fermi-LAT
Commonality
ALICE model
CMBGamma- Bursts
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0ppositeses<… > !!Statistical ensemble
The only one realization of the CMB sky
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Anomalies of morphology
Di-jet
Elliptic flow
N -jets
Wavelets
Multipole vectors
Wiener filterBi-spectrum
Minkowskifunctionals
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CMBbox
HIC event
HIC event
𝑉 𝑛 ,Φ𝑅
CMB calculator for HIC
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Elliptic flow . Simulations
All m values
m=0 excluded
Input Phi modulation:
dN/dΦ = N0 (1+2v2cos(2Φ))
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B22 versus V2
V2=0 V2=0.01 V2=0.05
V2=0.15 V2=0.25 V2=0.30
dN/dΦ = N0 (Ɵ,φ)(1+2v2cos[2(φ-)])
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Reconstruction of the event plane
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Tight correlation between harmonic coefficients and elliptic flow
Input to simulation (known flow)
Analyzed simulatedmap with finite resolution Ex: b22=0.035=>
V2= 0.1±0.01
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Spherical harmonics. Resonance to Vn
m=1 m=2
m=3
m=4
V2
V4
(m=2)-(n=2)
(m=4)-(n=4)
L=4,m=0
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Summary
• A new method to analyse the event morphology in Heavy Ion and Particle physics has been proposed.
• Toy model analysis suggest good resolution for collective phenomena (elliptic flow) and point sources (jets)
• Next steps:– Full simulation with realistic event generator and
detector transport code– Develop analysis for additional physics effects – Analyse ALICE events from LHC Pb+Pb (2.76 A.TeV)