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11 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
J/
Physics at the Physics at the High Energy Antiproton High Energy Antiproton Storage Ring @ GSIStorage Ring @ GSI
Klaus PetersKlaus Peters
Ruhr-University BochumRuhr-University Bochum
Charm WorkshopCharm Workshop
Trento, June 21, 2002Trento, June 21, 2002
33 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
OverviewOverview
The GSI Future ProjectThe GSI Future Project
The Antiproton Facility (HESR)The Antiproton Facility (HESR)
The Physics ProgramThe Physics Program Charmonium spectroscopyCharmonium spectroscopy Charmed hybrids and glueballsCharmed hybrids and glueballs Interaction of charmed particles with nucleiInteraction of charmed particles with nuclei Strange baryons in nuclear fieldsStrange baryons in nuclear fields Further optionsFurther options
Detector Concept(s)Detector Concept(s)
ConclusionsConclusions
44 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
GSI Future ProjectGSI Future Project
55 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Nuclear Structure PhysicsNuclear Structure Physics
Nuclear Matter PhysicsNuclear Matter Physics
Plasma PhysicsPlasma Physics
Atomic PhysicsAtomic Physics
Physics with AntiprotonsPhysics with Antiprotons
The GSI Future ProjectThe GSI Future Project
Nuclear Structure PhysicsNuclear Structure Physics
Nuclear Matter PhysicsNuclear Matter Physics
Plasma PhysicsPlasma Physics
Atomic PhysicsAtomic Physics
Physics with AntiprotonsPhysics with Antiprotons ConfinementConfinement Origin of MassOrigin of Mass Effective Degrees of freedomEffective Degrees of freedom Toolkit: Charm-PhysicsToolkit: Charm-Physics
Research with Rare Isotope beamsResearch with Rare Isotope beamsNuclei far from StabilityNuclei far from Stability
Nucleus-Nucleus CollisionsNucleus-Nucleus CollisionsCompressed Baryonic MatterCompressed Baryonic Matter
Ion and Laser Induced PlasmasIon and Laser Induced PlasmasHigh Energy Density in MatterHigh Energy Density in Matter
From Fundamentals to Applications From Fundamentals to Applications QED, Strong Fields, Ion-Matter InteractionsQED, Strong Fields, Ion-Matter Interactions
Research with AntiprotonsResearch with AntiprotonsHadron Spectroscopy and Hadronic MatterHadron Spectroscopy and Hadronic Matter
66 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Fundamental Aspects of QCDFundamental Aspects of QCD
QCD is confirmed to high accuracy at small distancesQCD is confirmed to high accuracy at small distancesAt large distances, QCD is characterized by:At large distances, QCD is characterized by:
ConfinementConfinement Chiral symmetry breakingChiral symmetry breaking
Challenge: Challenge: Quantitative understanding of the relevant degrees Quantitative understanding of the relevant degrees
of freedom in strongly interacting systemsof freedom in strongly interacting systems
Experimental approach: Experimental approach: Charm physics: Charm physics:
Transition between the chiral and heavy quark limitsTransition between the chiral and heavy quark limits
77 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Charmonium PhysicsCharmonium Physics
Charmonium is the Positronium Charmonium is the Positronium System of QCDSystem of QCD
EnergiesEnergies SplittingSplitting WidthsWidths
Quark-Antiquark-InteractionQuark-Antiquark-Interaction
Exclusive DecaysExclusive Decays
Mixing of pertubativeMixing of pertubativeand non-pertubative Effectsand non-pertubative Effects
88 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Charmonium PhysicsCharmonium Physics
Open questions …Open questions … cc‘ (2‘ (211SS00) not established) not established
hh1c1c ( (11PP11) unconfirmed) unconfirmed Peculiar decays of Peculiar decays of (4040)(4040) Terra incognita for Terra incognita for
any 2P and D-Statesany 2P and D-States
… … Exclusive ChannelsExclusive Channels Helicity violationHelicity violation G-Parity violationG-Parity violation Higher Fock state contributionsHigher Fock state contributions
99 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
3500 3520 MeV
Charmonium PhysicsCharmonium Physics
ee++ee-- interactions: interactions: Only 1Only 1---- states are formed states are formed Other states only byOther states only by
secondary decays secondary decays (moderate mass resolution)(moderate mass resolution)
ppbar reactions:ppbar reactions: All states directly formedAll states directly formed
(very good mass resolution)(very good mass resolution)
Existing experiments:Existing experiments: no B-field, beamtimeno B-field, beamtime beam momentum reproducibilitybeam momentum reproducibility
3510
CB
all
ev./
2 M
eV
100
ECM
E 8
35
ev./
pb
1000
CBallE835
c1
1010 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
ECM
Resonance ScanResonance Scan
Measured Measured RateRate
Beam Beam ProfileProfile
Resonance Resonance Cross Cross
SectionSection
small and well controlled small and well controlled beam momentum spread beam momentum spread
p/p p/p is extremely importantis extremely important
1111 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Charmonium PhysicsCharmonium Physics
Expect 1-2 fbExpect 1-2 fb-1-1 (like CLEO-C) (like CLEO-C) ppbar (>5.5 GeV/c) ppbar (>5.5 GeV/c) J/J/ 101077/d/d ppbar (>5.5 GeV/c) ppbar (>5.5 GeV/c) c2 c2 ((J/J/ 101055/d/d
ppbar (>5.5 GeV/c) ppbar (>5.5 GeV/c) cc‘(‘( 101044/d|/d|rec.rec.??
Comparison to E835Comparison to E835 Max. Energy 15 GeV/Max. Energy 15 GeV/cc instead of 9 GeV/ instead of 9 GeV/cc Luminosity 10x higherLuminosity 10x higher Detector with magnetic fieldDetector with magnetic field p/p 10x betterp/p 10x better Dedicated machine with stable conditionsDedicated machine with stable conditions
1212 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Hadrons are very complicatedHadrons are very complicated
Standard model meson Standard model meson only one leading termonly one leading term
Other color neutral Other color neutral configurations may mixconfigurations may mix
Decoupling is Decoupling is possible only ifpossible only if
states are narrowstates are narrow leading term vanishesleading term vanishes
1313 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Charmed HybridsCharmed Hybrids
Gluonic excitations of the Gluonic excitations of the quark-antiquark-potential quark-antiquark-potential may lead to bound statesmay lead to bound states
LQCD: LQCD: mmHH ~ 4.2-4.5 GeV ~ 4.2-4.5 GeV
Light charmed hybrids could be Light charmed hybrids could be as narrow as as narrow as O(5-50 MeV) O(5-50 MeV)
selection rulesselection rules(from Fluxtube)(from Fluxtube)
# charmed final states # charmed final states (OZI-Rule)(OZI-Rule)
important <rimportant <r22> and r> and rBreakupBreakup
1414 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
FluxtubeFluxtube
MesonMeson
HybridHybrid
1515 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Charmed HybridsCharmed Hybrids
Fluxtube-Modell predicts Fluxtube-Modell predicts DD** decaysDD** decays
ifif mmHH<4,29 GeV<4,29 GeV
HH<50 MeV<50 MeV
Some exotics can decay Some exotics can decay neither to DD nor to DD*neither to DD nor to DD*
e.g.: Je.g.: JPCPC(H)=0(H)=0+-+-
• fluxtube allowedfluxtube allowedJ/J/ff22, J/, J/(())SS,h,h1c1c
• fluxtube forbiddenfluxtube forbiddenc0c0,,c0c0, , c2c2,,c2c2, , cchh11
Small number of final states Small number of final states with small phasespacewith small phasespace
CLEO
1616 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Charmed HybridsCharmed Hybrids
Gluon rich process creates Gluon rich process creates gluonic excitation in a direct waygluonic excitation in a direct way
ccbar requires the quarks to ccbar requires the quarks to annihilate (no rearrangement)annihilate (no rearrangement)
yield comparable toyield comparable tocharmonium productioncharmonium production
2 complementary techniques2 complementary techniques ProductionProduction
(Fixed-Momentum)(Fixed-Momentum) FormationFormation
(Broad- and Fine-Scans(Broad- and Fine-Scans))
Momentum range for a survey Momentum range for a survey p p ~15 GeV~15 GeV
ProductionAll Quantumnumberspossible
RecoilMeson
FormationQuantumnumberslike pp
1717 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Accessible HadronsAccessible Hadrons
1818 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Exotics in Proton-Antiproton Exotics in Proton-Antiproton ReactionsReactions
High production yields High production yields for exotic mesons for exotic mesons (or with a large fraction of it)(or with a large fraction of it)
ff00(1500)(1500) ~25 % in 3 ~25 % in 3
ff00(1500)(1500) ~25 % in 2 ~25 % in 2
11(1400)(1400) >10 % in >10 % in
Interference with other Interference with other (conventional) states is (conventional) states is mandatory for the phase analysismandatory for the phase analysis
1919 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Heavy GlueballsHeavy Glueballs
Light gg/ggg-systems are Light gg/ggg-systems are complicated to identifycomplicated to identify
Exotic heavy glueballsExotic heavy glueballs m(0m(0+-+-) = 4140) = 4140(50)(200)(50)(200) MeV MeV m(2m(2+-+-) = 4740) = 4740(70)(230)(70)(230) MeV MeV
Width unknown, but!Width unknown, but! nature invests more likely in nature invests more likely in
mass than in momentummass than in momentum
Flavour-blindnessFlavour-blindness predicts decays into predicts decays into
charmed final statescharmed final states
Same run period as hybridsSame run period as hybrids In addition: scan m>2 GeV/cIn addition: scan m>2 GeV/c22
Morningstar und Peardon, PRD60 (1999) 034509Morningstar und Peardon, PRD56 (1997) 4043
2020 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
4-Quark Formation4-Quark Formation
Proton-Antiproton contains Proton-Antiproton contains already a 4-Quark-Systemalready a 4-Quark-System
Idea: Dilepton-Tag from Idea: Dilepton-Tag from Drell-Yan-ProductionDrell-Yan-Production
AdvantagesAdvantages TriggerTrigger less Jless JPCPC-Ambiguities-Ambiguities 1200 E./day @ 12 GeV1200 E./day @ 12 GeV 300 E./day @ 5-8 GeV 300 E./day @ 5-8 GeV
antiproton-Beamantiproton-Beam(for L=10(for L=103232cmcm-2-2ss-1-1))
2121 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Charmed Hadrons in Nuclear MatterCharmed Hadrons in Nuclear Matter
Partial restoration of chiral Partial restoration of chiral symmetry in nuclear mattersymmetry in nuclear matter
Light quarks are sensitive Light quarks are sensitive to quark condensateto quark condensate
Evidence for mass changes of Evidence for mass changes of pions and kaons has been pions and kaons has been deduced previously:deduced previously:
deeply bound pionic atomsdeeply bound pionic atoms (anti)kaon yield and phase space (anti)kaon yield and phase space
distribution distribution
Ds are the QCD analog Ds are the QCD analog of the H-atom.of the H-atom.
chiral symmetry to be studied chiral symmetry to be studied on a single light quarkon a single light quark
Hayaski, PLB 487 (2000) 96Morath, Lee, Weise, priv. Comm.
D
50 MeV
D
D+
vacuumvacuum nuclear mediumnuclear medium
K
25 MeV
100 MeV
K+
K
2222 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
bare D+D-
10-2
10-1
1
10
102
103
(nb
)4 5 6 7
Open Charm in the NucleiOpen Charm in the Nuclei
The expected signal:The expected signal: strong enhancement of the strong enhancement of the
D-meson cross section,D-meson cross section, relative Drelative D++ D D-- yields, in the yields, in the
near/sub-threshold region.near/sub-threshold region.
This probes ground state This probes ground state nuclear matter density and T~0 nuclear matter density and T~0
Complementary to Complementary to heavy ion collisionsheavy ion collisions
D+
in-mediumfree masses
T (GeV)
D-
2323 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Charmonium in the NucleiCharmonium in the Nuclei
Lowering of the DLowering of the D++DD-- mass mass allow charmonium states to allow charmonium states to
decay into this channel, decay into this channel, thus resulting in a dramatic thus resulting in a dramatic
increase of widthincrease of width• (3770) (20(3770) (2040 MeV)40 MeV)
• c2 c2 (0,32(0,322,7 MeV)2,7 MeV)
• DiLepton-ChannelsDiLepton-Channels
IdeaIdea Study relative changes ofStudy relative changes of
yield and width of the yield and width of the charmonium states. charmonium states.
2424 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
J/J/ Absorption in Nuclei Absorption in Nuclei
Important for the understanding Important for the understanding of heavy ion collisionsof heavy ion collisions
Related to QGPRelated to QGP
ReactionReaction p + A p + A J/ J/ + (A-1) + (A-1)
Fermi-smeared ccbar-ProduktionFermi-smeared ccbar-Produktion J/J/, , ‘ or interference region ‘ or interference region
selected by pselected by pbarbar-Momentum-Momentum Longitudinal und transverse Longitudinal und transverse
Fermi-distribution is measurableFermi-distribution is measurable
2525 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
HypernucleiHypernuclei
3rd dimension (strangeness)3rd dimension (strangeness)of the nuclear chartof the nuclear chart
New Era:New Era: high resolution high resolution -spectroscopy-spectroscopy
Double-hypernuclei:Double-hypernuclei: very little datavery little data
Baryon-baryon interactions:Baryon-baryon interactions: -N only short ranged (no 1-N only short ranged (no 1
exchange due to isospin) exchange due to isospin) -- impossible in impossible in
scattering reactionsscattering reactions
-
secondary target
-(dss) p(uud) (uds) (uds)
3 GeV/c
TriggerK+K
2626 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Proton-Formfactors at large QProton-Formfactors at large Q22
High QHigh Q22 pert. QCD pert. QCD
FF (dim. Scaling)FF (dim. Scaling)should vary with Qshould vary with Q22
time-like remains factor time-like remains factor 2 larger than space-like2 larger than space-like
Both in pQCD Both in pQCD asymptotically equalasymptotically equal
HESR s HESR s 25 GeV 25 GeV22//cc44
M
2 2p2
G Cs
s lnm=
æ ö÷ç ÷ç ÷çè øL
q2>0
q2<0
2727 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Inverted DVCSInverted DVCS
Deeply Virtual Compton Scattering (DVCS)Deeply Virtual Compton Scattering (DVCS) Skewed Parton Distributions using the Handbag-DiagramSkewed Parton Distributions using the Handbag-Diagram Dynamics of quarks and gluons in hadronsDynamics of quarks and gluons in hadrons
Measurements of the inverted processMeasurements of the inverted process less stringent requirements on the detector resolutionless stringent requirements on the detector resolution however the connection of DVCS to the SPDs needs to be however the connection of DVCS to the SPDs needs to be
theoretically analyzed in this kinematic region)theoretically analyzed in this kinematic region)
2828 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
CP-Violation in the Charm SectorCP-Violation in the Charm Sector
Small mixing in the charm Small mixing in the charm Sector compared toSector compared toKK00 and B and B(S)(S)
00
Interference of amplitudes may Interference of amplitudes may lead to CP-Violationlead to CP-Violation
MeasureMeasureDD++/D/D——-asymmetries-asymmetries
D -Oscillations0 0D
Direct CP-Violation
Wb
Wb
free Decay
Box-Graphen
c
d
u
s
(strong) Penguin (D )± Annihilation (D )s±
gW
Wcc
u s sd
ud
2929 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
SIS100 – 100 TmSIS100 – 100 Tm30 GeV/30 GeV/c c ProtonsProtons
3030 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Production-TargetProduction-Target
3131 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Capture, Cooling and Capture, Cooling and Storage (CR, NESR)Storage (CR, NESR)
3232 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
HESR – 50 TmHESR – 50 Tm15 GeV/15 GeV/c c AntiprotonsAntiprotons
3333 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
The Antiproton FacilityThe Antiproton Facility
3434 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
The Antiproton FacilityThe Antiproton Facility
Antiproton production similar to CERN, Antiproton production similar to CERN,
HESR = High Energy Storage RingHESR = High Energy Storage Ring Production rate 10Production rate 1077/sec/sec PPbeambeam = 1.5 - 15 GeV/= 1.5 - 15 GeV/cc
NNstoredstored = 5 x 10= 5 x 101010 p p
High luminosity modeHigh luminosity mode Luminosity Luminosity = 2 x 10= 2 x 103232 cm cm-2-2ss-1-1
p/p ~ 10p/p ~ 10-4-4 (stochastic cooling)(stochastic cooling)
High resolution modeHigh resolution mode p/p ~ 10p/p ~ 10-5-5 (electron cooling < 8 GeV/(electron cooling < 8 GeV/cc)) Luminosity Luminosity = 10= 103131 cm cm-2-2ss-1-1
3535 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Proposed Detector (Overview)Proposed Detector (Overview)
High RatesHigh Rates Total Total ~ 55 mb ~ 55 mb
VertexingVertexing ((pp,K,KSS,,,…),…)
Charged particle IDCharged particle ID (e(e±±,,±±,,±±,p,…),p,…)
Magnetic trackingMagnetic tracking
Elm. CalorimetryElm. Calorimetry ((,,00,,))
Forward capabilitiesForward capabilities (leading particles)(leading particles)
Sophisticated Trigger(s)Sophisticated Trigger(s)
3636 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Micro Vertex DetectorMicro Vertex Detector
7.2 mio. barrel pixels7.2 mio. barrel pixels50 x 300 50 x 300 μmμm
2 mio. forward pixels2 mio. forward pixels100 x 150 100 x 150 μmμm
beam pipepelle
t/cl
ust
er
pip
e
Readout: ASICs (ATLAS/CMS) 0.37% XReadout: ASICs (ATLAS/CMS) 0.37% X00
or pixel one side – readout other side (TESLA) or pixel one side – readout other side (TESLA)
3737 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Straw Tube Tracker Straw Tube Tracker (WASA like)(WASA like)
Number of double layersNumber of double layersSkew angle of dbl layers 1 and 15 Skew angle of dbl layers 1 and 15 Skew angle of dbl layers 2-14Skew angle of dbl layers 2-14
151500oo
22oo-3-3oo
Straw tube wall thicknessStraw tube wall thicknessWire thicknessWire thicknessGasGas
LengthLengthDiameter of tubes in Diameter of tubes in double layers double layers 1-5, 6-10, and 11-151-5, 6-10, and 11-15Number of straw tubesNumber of straw tubes
26 26 mmmm20 20 mmmm90%He90%He10%C10%C44HH1010
150 cm150 cm4 mm4 mm6 mm6 mm8 mm8 mm87348734
Transverse resolution sTransverse resolution sx,yx,y
Longitudinal resolution Longitudinal resolution sszz
150 150 mmm m 1 mm1 mm
3838 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
DIRC (Cherenkov)DIRC (Cherenkov)
less space than aerogelsless space than aerogels costs of calorimetercosts of calorimeterno problems with fieldno problems with field
3939 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Electromagnetic CalorimeterElectromagnetic Calorimeter
Detector materialDetector material PbWOPbWO44
Photo sensorsPhoto sensors Avalanche Photo DiodesAvalanche Photo Diodes
Crystal sizeCrystal size 35 x 35 x 150 mm35 x 35 x 150 mm33 (i.e 1.5 x 1.5 R (i.e 1.5 x 1.5 RMM22 x 17 X x 17 X00))
Energy resolutionEnergy resolution 1.54 % / 1.54 % / E[GeV] + 0.3 %E[GeV] + 0.3 %
Time resolutionTime resolution 130 ps130 ps
Total number of crystalsTotal number of crystals 71507150
4040 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Mini Drift ChamberMini Drift Chamber
6 layers of sense wires in 3 6 layers of sense wires in 3 double layers (y,u,v)double layers (y,u,v)
not stretched radially (mass)not stretched radially (mass)
realized at HADESrealized at HADES high counting rates high counting rates position resolution 70μmposition resolution 70μm
HADES@GSIHADES@GSI
4141 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Forward RICHForward RICH
Aerogel Aerogel n=1.02n=1.02
Multi pad gasMulti pad gasDetectorDetector
Mismatch photons Mismatch photons CsI photon conversionCsI photon conversion
LHCbLHCb
proximity focusingproximity focusing mirrorsmirrors
4242 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Forward DipoleForward Dipole
1200 1200 mmmm x x 1600 mm1600 mm
B = 2 TmB = 2 Tm
4343 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Why Antiprotons ?Why Antiprotons ?
high resolution spectroscopy with phigh resolution spectroscopy with pbarbar-beams in -beams in formation experiments:formation experiments:
• E,E,EEbeambeam
high yields in pphigh yields in ppbarbar of gluonic excitations of gluonic excitations• glueballs, hybridsglueballs, hybrids
event tagging by pairwise associated production, event tagging by pairwise associated production, • (particle, anti-particle) e.g. pp(particle, anti-particle) e.g. ppbarbarbarbar
large sqrt(s) at low momentum transferlarge sqrt(s) at low momentum transfer important for in-medium "implantation" of hadrons:important for in-medium "implantation" of hadrons: study of in-medium effectsstudy of in-medium effects
4444 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
CompetitionCompetition CLEOc, BES, JLab (HALL-D), JHFCLEOc, BES, JLab (HALL-D), JHF
TopicTopic HESRHESR CompetitorCompetitor
ConfinementConfinementCharmoniumCharmonium
all ccall ccbarbar states states with high resolutionwith high resolution
CLEO-C only 1CLEO-C only 1–––– states states
Gluonic Gluonic ExcitationsExcitations
charmed hybridscharmed hybridsheavy glueballsheavy glueballs
CLEO-C light glueballsCLEO-C light glueballsHall-D light hybrids?Hall-D light hybrids?
Nuclear Nuclear InteractionsInteractions
D-mass shiftD-mass shiftJ/J/ absorption (T~0) absorption (T~0)
HypernucleiHypernuclei - and - and -hypernuclei-hypernuclei
Open Charm Open Charm PhysicsPhysics
Rare D-Decays, CP-Rare D-Decays, CP-physics in D and Baryonsphysics in D and Baryons
CLEO-C rare D-DecaysCLEO-C rare D-DecaysCP-physics in DCP-physics in D
,K-beams,K-beams JHF rare K-DecaysJHF rare K-Decaysneutrino physicsneutrino physics
4545 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Interested InstitutesInterested Institutes(with Representative in the Coordination Board)(with Representative in the Coordination Board)
Bochum UniversityBochum UniversityBrescia University and INFNBrescia University and INFNCatania UniversityCatania UniversityCracow UniversityCracow UniversityGSI Darmstadt GSI Darmstadt Dresden UniversityDresden UniversityJINR Dubna IJINR Dubna IJINR Dubna IIJINR Dubna IIErlangen UniversityErlangen UniversityFerrara UniversityFerrara UniversityFrascatiFrascatiGenova, INFNGenova, INFNGenova University Genova University Glasgow UniversityGlasgow UniversityGiessen UniversityGiessen University
KVI GroningenKVI GroningenJülich IKP IJülich IKP IJülich IKP IIJülich IKP IILos AlamosLos AlamosMainz UniversityMainz UniversityTU MünchenTU MünchenMünster UniversityMünster UniversityPavia UniversityPavia UniversityUniversity of SilesiaUniversity of SilesiaTorino University ITorino University ITorino University IITorino University IITrieste University and INFNTrieste University and INFNTübingen UniversityTübingen UniversityTSL UppsalaTSL UppsalaUppsala UniversityUppsala University
Germany – Italy – Netherlands – Poland – Russia – Sweden Germany – Italy – Netherlands – Poland – Russia – Sweden –– U.K. U.K. –– U.S.A. U.S.A.
4646 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
History/OutlookHistory/Outlook
since 1997since 1997 Discussion about GSI futureDiscussion about GSI futureInternational workshops and reviewsInternational workshops and reviewsAccelearator R&DAccelearator R&D
May 1999May 1999 Lettor of IntendLettor of Intend (40 authors) (40 authors)Studies for detector conceptStudies for detector concept
Jan. 2001Jan. 2001 Detector simulation with GEANT4Detector simulation with GEANT4Nov. 2001Nov. 2001 Conceptual design reportConceptual design report
„„An International Accelerator Facility forAn International Accelerator Facility forBeams of Ions and Antiprotons“Beams of Ions and Antiprotons“
Nov. 2001Nov. 2001 ReviewReview by an international review by an international review committee of the committee of the „Deutscher Wissenschaftsrat“„Deutscher Wissenschaftsrat“
April 2002April 2002 International Workshop at GSIInternational Workshop at GSIJuly 2002July 2002 VotumVotum by the by the „Deutscher Wissenschaftsrat“„Deutscher Wissenschaftsrat“
4747 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Realization/CostRealization/Cost
Civil ConstructionCivil Construction ~ 225 M€~ 225 M€Accelerator Components Accelerator Components ~ 265 M€~ 265 M€Instrumentation and Major Detectors Instrumentation and Major Detectors ~ 185 M€~ 185 M€(HESR Detector ~ 31 M€)(HESR Detector ~ 31 M€)
~ 675 M€~ 675 M€
Year 200X + 6 yearsYear 200X + 6 yearscommissioningcommissioning
Year 200X + 8 yearsYear 200X + 8 yearsregular data takingregular data taking
4848 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
Summary & OutlookSummary & Outlook
Investigation of charmed hadrons and their interaction Investigation of charmed hadrons and their interaction with matter is a mandatory task for the next decadewith matter is a mandatory task for the next decade
The antiproton facility HESR @ GSI The antiproton facility HESR @ GSI addresses many important questionsaddresses many important questions
A high performance storage ring and detector are A high performance storage ring and detector are envisaged to utilize a luminosity of L=2 x 10envisaged to utilize a luminosity of L=2 x 103232 cm cm-2-2ss-1-1
4949 June, 21, 2002June, 21, 2002Klaus Peters - GSI Future - Physics with AntiprotonsKlaus Peters - GSI Future - Physics with Antiprotons
More InformationMore Information
http://www.gsi.de/GSI-Future/project/eng/index.phphttp://www.gsi.de/GSI-Future/project/eng/index.php
http://www.gsi.de/GSI-Future/cdr/http://www.gsi.de/GSI-Future/cdr/
http://www.gsi.de/GSI-Future/project/eng/i/pdf_e.gifhttp://www.gsi.de/GSI-Future/project/eng/i/pdf_e.gif