Presentation on theme: "Experimental Hadron Physics in Poland status (1985-2006) and perspectives polish contributions and achievements fields of interest: 1 fm rNrN Interactions."— Presentation transcript:
Experimental Hadron Physics in Poland status ( ) and perspectives polish contributions and achievements fields of interest: 1 fm rNrN Interactions and structure of hadrons LQCD [Bowman etal 02] Instanto nmodel [Diakonov+Petrov 85,Shuryak] 1 fm r Chiral Symmetry and mass generation Nuclear matter at extreme condition (T, )
PhysicsexperimentsPolish Groups Interactions and structure of hadrons COSY: COSY11,GEM, ANKE, WASA SATURN: DISTO GSI : PANDA JU-I, US, INS, US, INP, UW JU-II JU-I/II, INS, US Hadron properties in nuclear matter GSI: KAOS, FOPI, HADESJU-II, UW-I Properties of hadronic matter at extreme conditions GSI/SIS : FOPI, CBM CERN/SPS : NA49 RHIC: PHOBOS, BRAMS,STAR LHC: ALICE UW-I, JUIII,US,INS IPSA, INP, INS,WIT INP, JUIII, WIT INP,WIT, UW-II JU (I-III)– Jagiellonian University (Krakow) WIT - Warsaw Institue of Technology (Warsaw) US - University of Silesia (Katowice) UW (I,II) - Warsaw University (Warsaw) INS - Institute of Nuclear Studies (Warsaw) INP - Institute of Nuclear Physics (Krakow) IPSA - Institute of Physics Świetokrzyska Academy (Kielce)
COoler SYnchrotron COSY polarised and unpolarised proton and deuteron beams stochastic and electron cooling momentum range: 600 – 3700 MeV/c meson production up to (1020) WASA
only s-wave partial waves contribute to Final State 1 S 0 pp FSI known pX interactions measured via (Q=s 1/2 – s 12 thresh ) and Dalitz plot X:, ',, K -, K +,, Saturn Meson production close to threshold CELSIUS
COSY-11: J. Smyrski et al., NIM A 541 (2005) 574. JU Since 1987: 12 members. Construction of TOF walls, Drift chambers, beam monitors US: 3 members
pp pp η at Q=15.5 MeV bin size is experimental resolution ! / ' production / ' production |M| 2 ~ |M 0 | 2 |M pp | 2 |M p1η | 2 |M p2η | 2 |M| 2 ~ |M 0 | 2 |M pp | 2 σ = dV ps |M| 2 COSY11 strong p FSI (S 11 (1535)) weak p ' FSI
Strangeness production Strangeness production : K + /K - ratio important for: in medium kaon properties- (subthreshold kaon production) K + K - production : / ratio OZI rules in pp collisions COSY: PLB 635 (2006) pp FSI DISTO  / ratio enhanced but not so much as in pp annihilation at rest non –resonant contribution consistent with space distribution
L=10 32 cm 2 s 1 Test of CP symmetries in flavour conserving decays: + - e + e - charge symmetries of strong interactions (u, d quarks mass difference) via / mixing in ' decays and dd 0 exotics – glueballs, pentaquarks Polish groups: UW, JU, US, INP, INS ECAL, Forward- Detecto
GSI-FAIR SIS 100 U GeV/u ions/s protons 30 GeV 2.8x10 13 /s 2T (4T/s) magnets SIS 300 U GeV/u s 6T (1T/s) magnets Secondary Beams Radioactive beams up to 1.5 GeV/u Antiprotons up to 30 GeV Storage and Cooler Rings Radioactive beams e-A collider HESR: Antiprotons GeV FOPI, HADES, KAOS UNILAC SIS FRS ESR SIS 100/300 HESR Super FRS NESR CR p Target 18 PANDA MoU signed by Poland in 2005 CBM
FAIR p production rate 2x10 7 /sec P beam = GeV/c N stored = p Internal target p/p ~ (electron cooling) Charmonium spectroscopy (cc) "Glue" bound states: Hybrids(ccg) and glueballs (ggg)) D mesons in nuclear matter Hypernuclei spectroscopy Polish groups: R&D: ECAL (UNS) MDC, DAQ, FEE (JU) Forward Spectrometer coordination Design Studies: (JU) Solenoid Target Target spectrometer Forward spectrometer
KaoS GSI Kaons in medium JU: since ' members Zero Degree Hodoscope UW: since members Participation in construction of TOF Barrel
Subthreshold K - production KaoS calculations with in medium potential describe data : U(K+, 0 )= 30 MeV, U(K-, 0 )=-70 MeV W. Cassing et. al Nucl. Phys. A 614, 415 (1997).
K + production and nuclear matter EOS KaoS PRL86(2001)39 K<200 MeV soft EOS Soft EOS preferred (precise K for k production in NN essential! ) NN thres. C. Fuchs PRL91(2003)152301
In-medium hadron properties with GSI Studied via electron momentum reconstruction of e+,e- pairs (penetrating probes) from pp, pA, A, AA excellent electron ID against hadrons (~10 -4 ) Spectrometer with high invariant mass resolution M/M~2% at /, large acceptance and high rate capability. Collaboration More than 100 physicists from Cyprus, Czech Rep., France, Germany, Italy, Poland, Portugal, Russia, Slovakia, Spain Project launched in Measurement started in 2002 JU since 1995 (~12 members) R&D and construction of Pre-Shower incl. read-out electronic of 20k channels
p e+e+ e-e- e+e- Ne+e- measured rates span over 5 orders of magnitude better description with in-medium spectral functions of more sensitivity in larger systems (Ar+KCl, Au+Au,..) expected
FOPI & HADES future programms ( ) FOPI: K- flow sensitive to KN potential (TOF RPC upgrade) Kaon production in pion induced reactions Kaonic bound state in nuclear matter HADES studies of e+,e- sources in pp, dp collisions, modifications in nucleus, pion induced reactions, studies of e+,e- production in heaviest systems (Au+Au) at top SIS18 energies->inner TOF and DAQ upgrade (EU programme) HADES at 8 AGeV (->CBM experiment)
Nuclear matter under extreme conditions M. Gazdicki Chiral resotoration?
NA49: observation of onset of deconfinment? ( Marek ) HORN STEP 30 AGeV
Na49 Future: Search for critical point of Strong Interactions Search for anomalies in fluctuations and flow (v 2 ) in function of system size and energy (s 1/2 > 7 GeV) Systematic scan in energy and system size:pp, pA, AA collisions ( AGeV) Letter of intent SPSC for dedicated experiments at SPS in Test run in august Polish groups (data analysis): IPSA, INP, INS,WIT, UW, JU
CBM experiment at FAIR Polish groups: Feasibility studies dieleptons (JU), strangeness (UW), DAQ (US, UW) R&D Silicon Tracking (JU), RPC(UW) beam STS magnet RICH TRD TOF ECAL Scientific goals: properties of baryon-rich and dense nuclear matter A+A 8-35 AGeV (Au+Au), pp and pA (p<90 GeV) ChS restoration - in medium / at high baryon density open charm (D-mesons) and J/ in medium Strangeness production: K,,, event by event fluctuations
RHICs Experiments Top Center-of-Mass Energy: è 200 GeV/nucleon for Au-Au Luminosity Au-Au: 2 x cm -2 s -1 ; p-p : 2 x cm -2 s -1 STAR
Hot Matter Physics Division Experimental set up Hadrons ID: p, K, at: up to 30 GeV/u, with (dp/p) ~ 1% 0 < |y| < < p t < ~ 3GeV/c 9 drift chambers & FEE built in JU detector lab
Hot Matter Physics Division Net protons rapidity density comparison Net protons rapidity density (highest rapidity measurements not yet completed) 12 7 With increasing energy the nucleus – nucleus collisons are more and more transparent The matter that is created at RHIC differs from anything that has been investigated before (baryon free region) !
Hot Matter Physics Division Large high p t suppression for central collisions as compared to semi-peripheral High p t component of hadron spectra Nuclear modification factor : Ratio of the suppression factor R cp at =0 and =2.2 The evidences for strong nuclear effects Jets energy loss Au(100A GeV) + Au(100A GeV ) R CP Color Glass condenste ?
Spectrometer Trigger Counter Octagon TOF SpecTrig T0 counter MIT, BNL, Argonne National Laborator, University of Illinois at Chicago, University of Rochester, University of Maryland Poland: INP ( 7 members), Tajwan: National Central University Participation of the Polish Group (since 1992): - contribution to the detector construction (~30% of the total detector cost) - developments of the physics research program and software system Au+Au, s NN = 200 GeV 137k silicon sensors ~4 multiplicity coverage excellent low p t
Particle flow dN/d( - R ) = N 0 (1 + 2v 1 cos ( - R ) + 2v 2 cos (2( - R )) +... ) - R Hydrodynamical models, with the assumed ideal nature of the fluid (no viscosity), reproduce the strength of the flow for central Au+Au for the first time at RHIC energies!
ITS TPC TRD TOF PHOS HMPID MUON SPEC. PMD FMD ALICE detector 30 times larger energy as in RHIC Energy desntity ~15-40 GeV/fm 3 >> crit ~1 GeV/fm 3 Freeze-out out ~ fm 3, QGP duration (4-10 fm) Coming Future: AliCE LHC Polish groups: ~20 members INP (TPC analysis), INS WIT (HBT correlations), UW
Summary Many interesting physics done so far (COSY, SATURN, GSI, CERN, RHIC) New exciting possibilities and challenges: short term (<2010): HADES, FOPI: in-medium hadron properties WASA : studies of symmetries of SI NA49future: search for critical point of SI longer term (>2012): PANDA : charmonium physics CBM: studies of compressed baryonic matter LHC : starts tomorrow..
Hot Matter Physics Division High p t suppression at forward in d+ Au BRAHMS: PRL 93 (2004) Initial conditions for high energy collisions are determined by the wee partons in the wave functions of the colliding nuclei Color Glass Condensate (CGC) phase of hadronic matter. R d+Au R CP
Laboratory of nuclear matter Toneev at al.,nucl-th/ : 3-fluid hydrodynamics Collision trajectory in e Space Time jetjet Au p K T = 120 MeV = 0.06 GeV/fm 3 T = 230 MeV = 3 GeV/fm AGeV "collider" e