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Matter ~13.8 Billion Years Ago Sedat Altınpınar Visit of Oslo Students at CERN, 7.5.13.

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Presentation on theme: "Matter ~13.8 Billion Years Ago Sedat Altınpınar Visit of Oslo Students at CERN, 7.5.13."— Presentation transcript:

1 Matter ~13.8 Billion Years Ago Sedat Altınpınar Visit of Oslo Students at CERN,

2 Motivation

3 Going deeper in structure…

4 Standard Model

5 Strong Interaction is different... V EM (r) (eV) r (nm) V strong (r) (GeV) r (fm) Quark - QuarkElectron - Proton kr r c 3 4 rV s strong    )(

6 From Infrared to Ultraviolet Infrared slaveryUltraviolet Behaviour

7 Nobel 2004 Gross, Wilczek, Politzer

8 Does it exist in nature ? QGP

9 We can recreate it: CERN

10 4 LHC Experiments

11 Nucleus-Nucleus Collision

12 ALICE

13 Event in ALICE

14 How to study matter ?  Properties of matter: Conductivity, color, density, phase states, magnetism,…  Example method: Partonic energy loss, ergo kind of finding a Bethe-Bloch for partons.  Probe: Quarks. For example energy loss of heavy quarks (c and b) delivers important informations about the Quark-Gluon Plasma. Measurement: Yields of electrons originating from hadrons and hadrons themselves containing heavy quarks like D 0 (c, u(bar)), B 0 (b(bar), u),...

15 The Observable R AA Nucleus-Nucleus Collision Proton-Proton Collision Baseline of R AA R AA the Nuclear Modification Factor

16 Hydrodynamics -> Elliptic flow v 2 Interactions among the produced particles: Pressure gradients generate positive elliptic flow v 2

17 It’s liquid !

18 Phase Diagram of Nuclear Matter

19 Thank you for listening And many other observables and ideas


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