Hungarian research activities in high energy heavy ion collisions --- Progress report, 2005 --- Péter Lévai KFKI RMKI, Budapest NUPECC meeting Debrecen,

Hungarian research activities in high energy heavy ion collisions

--- Progress report, 2005 ---

Péter LévaiKFKI RMKI, Budapest

NUPECC meetingDebrecen, 24 June 2005

Main research aims:

Equation of state for nuclear matter in wide T and density region

Subnuclear degrees of freedom (q,g) their collective behaviour (QGP,QAP,…)

Hadron properties in hot dense matter mass, width, cross sections

Exotic particle production pentaquark, strangelets, …

Astrophysical aspects nuclear reactions in matter at finite T

Human resources in Hungary:

MTA RMKI, Research Institute for Particle and Nuclear Physics, Budapest Dept. of Particle Physics (14) Dept. of Theoretical Physics (6)

ELTE, Eötvös Loránd University Dept. of Atomic Physics (7) Dept. of Theoretical Physics (2) PhD School on High Energy Phys. (6)

DE, Debrecen University Dept. of Experimental Physics (5) Dept. of Theoretical Physics (2) PhD School on High Energy Phys. (3)

MTA ATOMKI, Debrecen (3) Sum: 45-50

Accelerators in use:

Hungarian accelerators are low energy equip.: RMKI – Van den Graaf acc. ATOMKI – Van den Graaf acc. However: Excellent for radiation tests of detector parts

Hungary is member of the CERN in Geneva Virtual Research Institute for High Energy Particle and Nuclear Physics

Hungarian teams are working in/on different accelerators: BNL RHIC, MSU NSCL, GSI SIS, GSI FAIR

Accelerators in use:

1. NSCL, East Lansing, USA E_beam = 100-250 A MeV

2. GSI SIS, Darmstadt, Germany E_beam = 500-1500 AMeV

3. CERN SPS, Geneva, Switzerland E_beam = 20 – 158 AGeV [s1/2 = 4 – 20 AGeV]

4. BNL RHIC, Brookhaven, USA s1/2 = 20 – 200 AGeV

Accelerators under construction:

1. GSI/FAIR, Darmstadt, Germany E_beam = 2 – 40 AGeV [s1/2 = 0.5 – 6 AGeV]

2. CERN LHC, Geneva, Switzerland s1/2 = 200 – 5500 AGeV

NSCL project: Coulomb dissociation of neutron reach nucleus

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E

vn

vfr

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E

En

dEd ECoulomb

E(k,)~

dinamics nuclear physicsr – processes in astrophysicsNeutron capture of isotops with short life time (inverz reaction)

The MONA detector at NSCL with the whole detector setup:

Eötvös University: Kiss Á., Horváth Á., Deák F.MTA RMKI: Seres Z.

The MONA detector at NSCL:

The phase structure of the nuclear/quark matter

GSI/SIS project: nuclear matter in high density, high temperature state

E_beam = 0.5 – 1.5 AGeV

FOPI Collaboration:Fodor Z, Kecskemeti J., Seres Z. (exp.)Wolf Gy. (theory)

The phase structure of the nuclear/quark matter

The critical endpoint - lattice results (Z. Fodor, S. Katz)

“Trajectories” (3 fluid hydro)

Hadron gas EOS

V.Toneev, Y. Ivanov et al.nucl-th/0309008

SIS 100 Tm

SIS 300 Tm

Structure of Nuclei far from Stability

cooled antiproton beam:Hadron Spectroscopy

Compressed Baryonic Matter

The future Facility for Antiproton an Ion Research (FAIR)

Ion and Laser Induced Plasmas:

High Energy Density in Matter

low-energy antiproton beam:antihydrogen

Primary beams:1012 /s 238U28+ 1-2 AGeV4·1013/s Protons 90 GeV1010/s U 35 AGeV (Ni 45 AGeV)

Secondary beams:rare isotopes 1-2 AGeVantiprotons up to 30 GeV

Mapping the QCD phase diagram with heavy-ion collisions

Critical endpoint:Lattice-QCD shows it.Can we see it inreal experiments ?

SIS100/300

?

CBM physics topics and observables

Color superconductivity precursor effects ?

In-medium modifications of hadrons onset of chiral symmetry restoration at high B

measure: , , e+e- open charm (D mesons)

Strangeness in matter (strange matter?) enhanced strangeness production ?

measure: K, , , ,

Indications for deconfinement at high B anomalous charmonium suppression ?

measure: J/, D

Critical point event-by-event fluctuations

Experimental challenges

107 Au+Au reactions/sec (beam intensities up to 109 ions/sec, 1 % interaction target)

determination of (displaced) vertices with high resolution ( 30 m)

identification of electrons and hadrons

Central Au+Au collision at 25 AGeV:URQMD + GEANT4

160 p 400 -

400 + 44 K+ 13 K-

The CBM Experiment

Radiation hard Silicon (pixel/strip) Tracking System in a magnetic dipole field

Electron detectors: RICH & TRD & ECAL: pion suppression better 104

Hadron identification: TOF-RPC

Measurement of photons, π, η, and muons: electromagn. calorimeter (ECAL)

High speed data acquisition and trigger system

The phase structure of the nuclear/quark matter

First hint of the QGPat CERN SPS

NA49 data analysis continues

NA49

BNL RHIC accelerator: Au+Au at s1/2=20-200 AGeV

RHIC PHENIXDetector

T. Csörgő, ...Á. Kiss, ...P. Raics, ...

The LHC at CERN: Hungarian Participation in the ALICE and CMS heavy ion projects

ALICE Data-Acquisition System

HLT Farm

H-RORC H-RORC

FEP FEP

D-RORC D-RORC

LDC LDC

D-RORC D-RORC

LDC LDC

DIU

DIU

DIU

DIU

DIU

DIU

DIU

DIU

SIU

SIU

SIU

SIU

Event Building Network

Readout Electronics

Detector

D-RORC D-RORC

LDC LDC

DIU

DIU

SIU

SIU

Readout Electronics

Detector

DIU

SIU

DIU

SIU

Source Interface Unit

Duplex, multimode opticalfiber

Destination Interface Unit

DAQ Readout Receiver Card

Local Data Concentrator

Detector Data Link

GDCGDC GDCGlobal Data Collector

123

DD

Ls

262

DD

Ls

10 D

DLs

HMPID LAYOUT

muon armside

teams involved in the project:Bari, CERN, INR-Moscow, RBI-Zagreb

RMKI : Letter of Intent

array of seven RICH detectors (each ~1.5 x 1.7 m2 )

1 < p < 3 GeV/c -K2 < p < 5 GeV/c protons

PID RANGE

VHMPID: TWO STAGES TIC

CaF2 window

C4F10CF4

Window less !

C4F10

3< p <9 NΠ ,NK+p

9< p <16 NΠ+K ,Np

p> 16 NΠ+K+p

CF4

5< p <16 NΠ ,NK+p

16< p <30 NΠ+K ,Np

p > 30 NΠ+K+p

9<p<16 NΠ , NK , Np16<p<30 NΠ+K , Np+ Identification

- IdentificationIndirect identificationCross-checked

Hungarian Participation in the CMS Heavy Ion Project – F. Sikler, D. Barna, D. Varga, …

Particle identification at CMS in Pb+Pb collisions

RMKI

LHC GRID for computing:

Summary:

Accelerators in a wideenergy region until 2020.

Active Hungarianparticipation in construction anddata analysis

Very important to find:

- Continuous funding- IT background in Hungary- Young students to continue