Heavy ions: Experiments Confront Theory

7 Nov 2011, 09:00 → 9 Nov 2011, 18:00 Europe/Copenhagen

Auditorium M (Niels Bohr Institute)

Christian Holm Christensen (Niels Bohr Institute), Jens Jorgen Gaardhoje (Niels Bohr Institute), Kim Splittorff (NBI), Poul Henrik Damgaard (Niels Bohr Institute)

First Heavy-Ion collisions as seen by CMS, ALICE, and ATLAS

With the wealth of data streaming out of the LHC at a phenomenal√s_NN=2.76 TeV, and the ongoing lower energy scan at RHIC it is interesting to pause for a moment and confront the experiments with the theory — and, vice versa.

In this work-shop, hosted by the Discovery Center, we will try to shed some light recent results from the experiments through a both theory and experiments.

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Monday, 7 November

Registration

Pick up your badge and conference information

Morning

Morning session

Convener: Dr Poul Henrik Damgaard (Niels Bohr Institute)

1 Higher harmonics of sound perturbations at RHIC/LHC heavy ion collisions

Analytic means are applied to solve for all harmonics of the flow: which then are applied to calculation of the correlation functions and the power spectrum. Like in the Big Bang, acoustic peaks are predicted. Sounds and matter excitation from jet quenching will also be discussed.

Speaker: Prof. Edward Shuryak (Stony Brook)

Slides Shuryak_NBI_workshop.pdf Shuryak_NBI_workshop.ppt

10:30 Coffee

2 Jet Suppression at ATLAS

Speaker: Mr Peter Hansen (Niels Bohr Institute)

Slides atlaspb.pdf

3 New Physics Opportunities in the Charm/Tau Region: The BESIII - Experiment at IHEP/Beijing

Speaker: Prof. Wolfgang Kuehn (Univ. Giessen)

Slides BES3_CPH.pdf http://db.tt/eMTvOT7z

12:30 Lunch

Afternoon

Convener: Dr Christian Holm Christensen (Niels Bohr Institute)

4 Angular correlations

Speaker: Prof. Raimond SNELLINGS (Utrecht University)

Slides snellingsNBI.pdf

5 The DIPSY event generator for minimum bias and heavy ion collisions

Speaker: Prof. Lief Lönnblad (Lund University)

Slides NBI11.pdf

15:30 Coffee

6 Jets in a quark-gluon plasma

We describe the coherent radiation off a quark-antiquark antenna traversing a QCD medium. Features of the spectrum are discussed and relevant scales of the problem are identified. In particular, the regimes where interference effects prevail are shown to be relevant in light of the data on inclusive jets in heavy-ion collisions at the LHC.

Speaker: Dr Konrad TYWONIUK (Lund University)

Slides NBI2011_KTywoniuk.pdf

17:00 Wine & Cheese

Tuesday, 8 November

Morning

Morning session

Convener: Dr Poul Henrik Damgaard (Niels Bohr Institute)

7 An Effective Model for Deconfinement

I give a physical description of an effective model for the deconfining phase transition. Detailed results are given for the pure glue theory, and a qualitative description given of QCD.

Speaker: Prof. Robert PISARSKI (Brookhaven National Lab.)

Slides CPH_NewMatrix.pdf Pisarski.pdf

10:30 Coffee

8 Quantum decoherence from classical coherence in heavy ion collisions

We discuss an ab initio approach to the formation and thermalization of quark-gluon matter in heavy ion collisions. The phenomenological implications of our studies are emphasized.

Speaker: Prof. Raju VENUGOPALAN (Brookhaven National Lab)

Slides slides

9 In-Medium Energy Loss and Correlations in Pb-Pb Collisions at sqrt(sNN) = 2.76 TeV

Speaker: Dr Jan Fiete GROSSE-OETRINGHAUS (CERN)

Slides JFGO4_public.pdf JFGO4_public.ppt

12:30 Lunch

Afternoon

Convener: Prof. Jens Jorgen Gaardhoje (Niels Bohr Institute)

10 Heavy ion collisions at the LHC - selected topics from a theorist's perspective

Speaker: Prof. Urs Achim WIEDEMANN (CERN)

11 Eccentricities in heavy ions from DIPSY

Ellipticity and triangularity are calculated using the new heavy ion initial state event generator DIPSY. The ellipticity is similar to CGC, but the triangularity is significantly larger than both Glauber and CGC. Data seems to favor the DIPSY eccentricities over both Glauber and CGC.

Speaker: Dr Christoffer FLENSBURG (Lund University)

15:30 Coffee

12 Lattice QCD at non zero chemial potential - status and challenges

Speaker: Prof. Kim Splittorff (NBI)

Slides Splittorff.pdf

13 TBA

Speaker: Dr Alberto Guffanti (Niels Bohr Institute)

Slides guffanti_HI_NBI.pdf

19:00 Dinner

Web-site: http://www.quattrofontane.dk/
The resturant is in walking distance (~15min) from NBI.

Wednesday, 9 November

Morning

Morning session

Convener: Prof. Kim Splittorff (NBI)

14 Morphology of HIC event

Speaker: Prof. Pavel NASELSKY (NBI)

Slides ALICE3.pdf

10:30 Coffee

15 Fluctuations around Bjorken flow and the onset of turbulent phenomena

Speaker: Stefan Floerchinger (CERN)

Slides Floerchinger_NBICopenhagen.pdf

16 Geometry, Geometry, Geometry

Speaker: Prof. James Nagle (University of Colorado)

Slides nagle_discovery_talk_2011.pdf

12:30 Lunch

Ph.D. Defence by Hans Hjersing Dalsgaard

The Ph.D. defence of Hans Hjersing Dalsgaard

Convener: Prof. Jens Jorgen Gaardhoje (Niels Bohr Institute)

17 Welcome and Introduction

Speaker: Prof. Jens Jorgen Gaardhoje (Niels Bohr Institute)

18 Presentation by Hans

Speaker: Mr Hans Hjersing Dalsgaard (Niels Bohr Institute)

19 Questions from the opponents

20 Questions from the Audience

21 The committee votes