9.3.20079.3.2007 VojtVojtěch Petráček FNSPE CTU, CFRJSěch Petráček FNSPE CTU, CFRJSMichal Šumbera NPI ASCR, CFRJSMichal Šumbera NPI ASCR, CFRJS

Heavy Ion Physics Heavy Ion Physics in Czech Republicin Czech Republic

StructureStructure

ExperimentsExperiments

ResultsResults

Structure of activities Structure of activities in Heavy Ion Physicsin Heavy Ion Physics

CERECERESS

NA NA 4545

CTU in PragueCTU in PragueFaculty ofFaculty of Nuclear SciencesNuclear Sciencesand Physical Engineering and Physical Engineering

Nuclear PhysicsNuclear PhysicsInstituteInstituteASCRASCR

Charles University in PragueCharles University in PragueFaculty of MathematicsFaculty of Mathematicsand Physics and Physics

Institute Institute of Physicsof PhysicsASCRASCR

Center for Physics of Center for Physics of Ultra-relativistic Heavy IonUltra-relativistic Heavy IonCollisionsCollisions

ExperimentsExperiments

ExperimentExperiment PreparationPreparation ConstructionConstruction RunningRunning Data Data analysisanalysis

ALICEALICE -- ++ -- --ATLAS HIATLAS HI -- ++ -- --STARSTAR upgrade upgrade

preparationpreparation -- ++ ++NA45 NA45 CERES CERES -- -- -- ++

NA57/NA57/WA97WA97 -- -- -- ++

CBMCBM ++ -- -- --HADESHADES -- -- ++ ++

Research teamsResearch teams

CTU FNSPE CTU FNSPE Miloš Pachr, Vojtěch Petráček, Libor Škoda, Miloš Pachr, Vojtěch Petráček, Libor Škoda, Vladimír Wágner, Boris Tomašík, Petr Jizba,Vladimír Wágner, Boris Tomašík, Petr Jizba, Vladimír Pospíšil,Vladimír Pospíšil, Jiří Jiří Král, David Tlustý, Martin Kroupa, Michal Petráň, Radek Šmakal, Filip Král, David Tlustý, Martin Kroupa, Michal Petráň, Radek Šmakal, Filip Mohyla, Jan Rusňák, Jaroslav AdamMohyla, Jan Rusňák, Jaroslav Adam

Staff Staff 5.55.5 , 1 PhD student , 8 undergraduate students (+4FTE , 1 PhD student , 8 undergraduate students (+4FTE from ‘07 )from ‘07 )

NPI ASCR NPI ASCR Michal Šumbera,Andrej Kugler,Dagmar Michal Šumbera,Andrej Kugler,Dagmar Adamová,Světlana Kušpilová,Vasilij Kušpil,Imrich Zborovský,Pavel Adamová,Světlana Kušpilová,Vasilij Kušpil,Imrich Zborovský,Pavel TlustýTlustý, Vladimír Wágner, , Vladimír Wágner, Michal ZerolaMichal Zerola, , Filip Křížěk, T. KrFilip Křížěk, T. Krása,ása, Petr Petr Chaloupka, Michal Bysterský, Pavel Jakl,Chaloupka, Michal Bysterský, Pavel Jakl, Jan Kapitán, Jan Kapitán,

Staff Staff 8.58.5, , 55 PhD students, PhD students, 11 undergraduate students (+2FTE undergraduate students (+2FTE from ‘07 )from ‘07 )

IP ASCR IP ASCR Petr Závada,Jiří A. Mareš, Karel Polák, Martin Nikl, Petr Závada,Jiří A. Mareš, Karel Polák, Martin Nikl, Eva Mihóková, A.BeitlerováEva Mihóková, A.Beitlerová, , J. PejchalJ. Pejchal

Staff 6, 1 PhD studentStaff 6, 1 PhD student

Charles University Charles University Jiří DolejšíJiří Dolejší, , Martin SpoustaMartin Spousta

Staff 1, 1 PhD studentStaff 1, 1 PhD student

Physics motivationPhysics motivation

Creation of hot, dense Creation of hot, dense and deconfined and deconfined mediummedium

Study of properties of Study of properties of this mediumthis medium

Study of hadronization Study of hadronization and thermaliand thermalizzationation

Study of collective Study of collective phenomenaphenomena

Exploration of new Exploration of new phenomenaphenomena

PHASE DIAGRAM OF QCD PHASE DIAGRAM OF QCD

MATTERMATTER PHASE DIAGRAM OF QCD PHASE DIAGRAM OF QCD

MATTERMATTER

ALICE ITSALICE ITS

• Local detector calibration Local detector calibration • Detector Control System of SDD Detector Control System of SDD • Tests of Silicon drift detectors, detector selection for Tests of Silicon drift detectors, detector selection for assemblyassembly

Inner Tracking SystemInner Tracking SystemWith integrated SDDWith integrated SDDAnd SSD layersAnd SSD layers

SDD beam tests SDD beam tests

Evaluation of SDD radiation toleranceEvaluation of SDD radiation tolerance

Low VoltageLow VoltagePower supplyPower supplySystem forSystem forSDDSDD

Detector Detector Control Control SystemSystem

Bulk Bulk dopingdopinginhomogenitiesinhomogenities

Microcable testersMicrocable testersfor SDD hybrid for SDD hybrid readout electronics readout electronics

ALICE PHOSALICE PHOS

Completing – central and side parts

Final completation of the PHOS CRADLEwith the rollers

• Production of PHOS support structure Production of PHOS support structure „ „CRADLE“ in TENEZ ChotěbořCRADLE“ in TENEZ Chotěboř

• Tests of PWO crystalsTests of PWO crystals for 2. and 3. PHOS supermodulefor 2. and 3. PHOS supermodule

• Preparation of new PWO scintilator crystals Preparation of new PWO scintilator crystals with nonwith non--stechiometric Ba, Mo and Y dopingstechiometric Ba, Mo and Y doping

PHOS CRADLE in design and in realityPHOS CRADLE in design and in reality

CRADLE during the transport down to the experimentCRADLE during the transport down to the experiment

ALICE PhysicsALICE Physics

Heavy quark production  p-p and A-A collisions Heavy quark production  p-p and A-A collisions D meson D meson flowflow Energy loss of light and heavy quarks in deconfined Energy loss of light and heavy quarks in deconfined

mattermatter

High Pt particle correlationsHigh Pt particle correlations Systematics of particle production in  p-p and A-A Systematics of particle production in  p-p and A-A

Femtoscopy – correlation of identical and non-identical Femtoscopy – correlation of identical and non-identical particlesparticles

Event-by-event physics - jet detection in A-A, DCCEvent-by-event physics - jet detection in A-A, DCC and and detection of granular source by MRA detection of granular source by MRA

Study of early stages of the HI collisionStudy of early stages of the HI collision

ATLAS Heavy IonATLAS Heavy Ion

Jets and jet quenching in HI collision at ATLASJets and jet quenching in HI collision at ATLAS

... ... More details in talk of R. LeitnerMore details in talk of R. Leitner

STARSTAR

Development of Development of DAQ DAQ ASIC ASIC for for Active Pixel SensorActive Pixel Sensor

Heavy Flavor Tracker for STAR upgradeHeavy Flavor Tracker for STAR upgrade

Open charm Open charm measurementmeasurement

• First high statistics measurements of - correlations• Coulomb and strong FSI were observed• Sensitivity to source size in peak was found• New spherical harmonics representation of data allowed us to observe clear shift between average emission points of pi and X sources in qualitative agreement with transversally expanding source.

central vs peripheral

- - correlations correlations

NA45/CERESNA45/CERESCERESCERESNA 45NA 45

Operation of Silicon drift detectorsOperation of Silicon drift detectorsand RICH electronicsand RICH electronics

• Low mass di-lepton spectrumLow mass di-lepton spectrum

• KK++KK- - and and ee++ee-- reconstruction reconstruction

• - - and and - p correlations - p correlations• Transverse momentum fluctuationsTransverse momentum fluctuations• High Pt particle correlationHigh Pt particle correlation• Particle flowParticle flow• Open charm reconstructionOpen charm reconstruction

NA57/WA97NA57/WA97

• Strangeness enhancement growsStrangeness enhancement grows with the strangeness of the produced hadron. with the strangeness of the produced hadron. up to a factor 20 for the Omega baryons! up to a factor 20 for the Omega baryons!

• Study of strange and multi-strange baryonStudy of strange and multi-strange baryon production in lead-lead collisionsproduction in lead-lead collisions

CBMCBM

• Participation inParticipation in Silicon Tracking System and Micro-Vertex DetectorSilicon Tracking System and Micro-Vertex Detector • Contribution in Contribution in detector control system, power supply systemdetector control system, power supply system• Silicon detector testing and assemblySilicon detector testing and assembly• HADES experiment will be incorporatedHADES experiment will be incorporated

• Open charm measurementOpen charm measurement• Event-by-event fluctuationsEvent-by-event fluctuations

Study of compressedStudy of compressed baryonicbaryonic matter near the critical pointmatter near the critical pointof the QCD phase diagram of the QCD phase diagram

HADESHADES

Low mass di-lepton measurementLow mass di-lepton measurement

Participation in Participation in TTime of ime of FFlightlight detector detector

e+e- invariant mass distributions

Forward HodoscopeForward Hodoscope

Data analysis: Data analysis: coordination of hadron physicscoordination of hadron physics

Summary and outlookSummary and outlook

HI community consists of 2HI community consists of 211 scientists, scientists, 88 PhD PhD students and students and 99 undergraduate students undergraduate students

Coordinated education of studentsCoordinated education of students

Experiments cover wide range of nuclear matter Experiments cover wide range of nuclear matter conditionsconditions

Rich experimental program Rich experimental program

Equilibrated detector construction, operation and Equilibrated detector construction, operation and physics analysisphysics analysis

LHC coming soon ... LHC coming soon ...