QCD, Spettroscopia, Quarkonio, DIS

QCD, Spettroscopia, Quarkonio, DIS

Fisica Adronica D. Bettoni, S. Malvezzi, R. Mussa, F. Tessarotto, A. Zoccoli Gruppo di Lavoro della CSN1 Roma 15/03/04 Argomenti da Trattare Spettroscopia del charmonio Spettroscopia quark leggeri Ricerca di glueball, Ibridi, Multiquarks. Charmonium hybrids Charmonio nella materia Fattori di forma del protone nella regione timelike Deeply Virtual Compton Scattering Drell-Yan, Transverse Quark Distributions Produzione di fotoni ad alto pT

Mesoni e barioni charmati Vite medie, Decadimenti, Violazione di CP, Dinamiche. Roma 15/03/2004 Fisica Adronica 2 Organizzazione Componenti del Gruppo D. Bettoni, S.Malvezzi, R.Mussa, F.Tessarotto, A.Zoccoli Riunioni periodiche Milano 02/03/04 Telefonica 09/03/04 Scambio informazioni tramite pagina web http://www.fe.infn.it/~bettoni/wg/ Roma 15/03/2004 Fisica Adronica 3

Programma di Lavoro Esplorare nel modo pi ampio possibile le potenzialit di fisica del settore. Per ciascuno degli argomenti: Fare il punto della situazione attuale Analizzare la situazione tra 5-10 anni (esperimenti in corso o approvati) Formulare i requisiti (acceleratore e rivelatore) di nuovi esperimenti. Roma 15/03/2004 Fisica Adronica 4 Spettroscopia del Charmonio Roma 15/03/2004 Fisica Adronica 5

Charmonium Spectroscopy The charmonium system has often been called the positronium of QCD. Non relativistic potential models (with relativistic corrections) and PQCD make it possible to calculate masses, widths and branching ratios to be compared with experiment. In pp annihilations states with all quantum numbers can be formed directly: the resonace parameters are determined from the beam parameters, and do not depend on energy and momentum resolution of the detector. D. Bettoni - The Panda experiment 6 The c (11S0) Despite the recent measurements by E835 not much is known about the ground state of charmonium: the error on the mass is still bigger than 1 Mev recent measurements give larger widths than

previously expected A large value of the c width is difficult to explain in terms of simple quark models. Also unusually large branching ratios into channels involving multiple kaons and pions have been reported. A precision measurements of the c mass, width and branching ratios is of the utmost importance, and it can only be done in by direct formation in pp. D. Bettoni - The Panda experiment 7 The c(11S0) M(c) = 2979.9 1.0 MeV (c) = 25.5 3.3 MeV T. Skwarnicki Lepton Photon 2003 D. Bettoni - The Panda experiment 8 The c(21S0) discovery by BELLE

The Belle collaboration has recently M 2978 2(stat ) MeV presented a 6 signal for BKKSK 22 20(stat ) MeV which they interpret as evidence for M 3654 6(stat ) MeV c production and decay via the 15 24(stat ) MeV process: B Kc; c K SK with: M(c) 3654 6 8 MeV / c 2 c ) 55 MeV / c 2 ( in disagreement with the Crystal Ball result, but reasonably consistent with potential model expectations. (DPF 2002). D. Bettoni - The Panda experiment

9 Log-scale c(21S0) BaBar 88 fb-1 Preliminary M(c) = 3637.7 4.4 MeV (c) = 19 10 MeV T. Skwarnicki Lepton Photon 2003 D. Bettoni - The Panda experiment 10 The hc(1P1) Precise measurements of the parameters of the hc are of extreme importance in resolving a number of open questions: Spin-dependent component of the qq confinement potential. A comparison of the hc mass with the masses of the triplet P states measures the deviation of the vector part of the qq interaction from pure one-gluon

exchange. Total width and partial width to c+ will provide an estimate of the partial width to gluons. Branching ratios for hadronic decays to lower cc states. D. Bettoni - The Panda experiment 11 Expected properties of the hc(1P1) Quantum numbers JPC=1+-. The mass is predicted to be within a few MeV of the center of gravity of the c(3P0,1,2) states M cog M ( 0 ) 3M ( 1 ) 5M( 2 ) 9 The width is expected to be small (hc) 1 MeV. The dominant decay mode is expected to be c+, which should account for 50 % of the total width. It can also decay to J/: J/ + 0

violates isospin J/ + +suppressed by phase space and angular momentum barrier D. Bettoni - The Panda experiment 12 The hc(1P1) E760 observation A signal in the hc region was seen by E760 pp inhtheprocess: J / 0 c Due to the limited statistics E760 was only able to determine the mass M (hc ) 3526.2 0.15 0.2 MeV / c 2 of this structure and to put an (upper hc ) 1.1 MeV (90%CL) limit on the width:

D. Bettoni - The Panda experiment 13 The hc(1P1) It is extremely important to identify this resonance and study its properties. To do so we need: High statistics: the signal will be very tiny Excellent beam resolution: the resonance is very narrow The ability to detect its hadronic decay modes. The search and study of the hc is a central part of the experimental program of the PANDA experiment at GSI. D. Bettoni - The Panda experiment 14 Charmonium States above the DD threshold The energy region above the DD threshold at 3.73 GeV is very poorly known. Yet this region is rich in new physics. The structures and the higher vector states ((3S), (4S), S),

(5S) ...) observed by the early e+e- experiments have not all been confirmed by the latest, much more accurate measurements by BES. It is extremely important to confirm the existence of these states, which would be rich in DD decays. This is the region where the first radial excitations of the singlet and triplet P states are expected to exist. It is in this region that the narrow D-states occur. D. Bettoni - The Panda experiment 15 The X(3872) New state discovered by Belle in BK (J/+-), J/+- or e+e- M = 3872.0 0.6 0.5 MeV 2.3 MeV (90 % C.L.) D. Bettoni - Charmonium X(3872) seen also by CDF M = 3871.4 0.7 0.4 MeV 16

La rinascita dell'interesse nel charmonio in questo decennio deve molto alle B-factories , che consentono di produrre questi stati dai decays del B, in , e con radiative return (ISR). Charmonia record samples (2003) 1000000000 # produced 100000000 10000000 B to R (all) 2gamma ISR 1000000 Psip decays J/Psi decays Ppbar formation 100000 10000

Psi(2S) Etac(2S) Chi2 Chi1 Chi0 J/psi Etac(1S) Charmonium State Charmonia produced/formed at dedicated facilities (all samples after 2000): Asymmetric B-factories: Babar | Belle, with 150 fb-1each -charm factory : BES, with 58 M J/ and 14 M (2s) ,pp charmonium factory: E835Roberto Mussa ,Joint CLEO-c/BES||| Workshop, Beijing, Jan.13-15, Charmonio: Facilities dedicate corto/medio termine CLEO-c : 30 M (3770) [run 2004] run 2004] 1.5 M (4140) [run 2004] run 2005]

~1G J/ [run 2004] run 2006] bonus: 0.1-0.2 G (2S) [run 2004] calibrazioni 2004-2006] BES-III (2007-2009?, con CsI Ecal): 10 G J/, 3 G (2S) all'anno 25 M (3770) all'anno BaBar/Belle (da ora al 2006-7): 500 fb-1 ciascuna [email protected] (2011?- ): Luminosity budget da definire Fisica del charmonio: questioni aperte in spettroscopia e decadimenti Determinazione JPC della X(3872) : charmonio o tetraquark? Studio delle caratteristiche della (2S), scoperta nel 2002 c Hyperfine splitting : M a meglio di 1 MeV Larghezza totale e di annichilazione Transizioni radiative a e hc , e da (2S). Transizioni adroniche (p.es. c (2S)c (1S)) Hyperfine splitting stati P: conferma hc di E760/E835 con altre tecniche

Ricerca di altri stati stretti nella regione delle soglie Studio delle transizioni della (3770) a charmonio Misure di precisione sugli stati e c: Transizioni Radiative: E1 al 1-2%, M1 al 5-10% Larghezze totali stati e c: da 10% a qualche %. Transizioni Adroniche Rare Annichilazioni esclusive barione-antibarione, mesone-mesone ( verifiche di spettroscopia quark leggeri) Larghezze parziali in finalmente a meglio del Fisica del charmonio: questioni aperte in produzione Non e' tutto: l'osservazione (Belle) di una inaspettatamente alta sezione d'urto e+e- doppio ccbar pone questioni fondamentali di QCD. Come negli anni 90 la discrepanza tra le misure di produzione di charmonio prompt al Tevatron ha consentito di compiere un sostanziale salto nella comprensione teorica della QCD come effective field theory (NRQCD), e' auspicabile che lo studio della produzione di doppio ccbar possa stimolare nuovi sviluppi teorici. Al momento, le previsioni di NRQCD sulla produzione di prompt charmonium al Tevatron sembrano in parte contraddette dall'analisi della polarizzazione : i risultati del Run II (CDF/D0) sono fortemente attesi. La soppressione della produzione di stati del charmonio in urti di ioni pesanti e' una delle firme caratteristiche attese per lo studio del Quark Gluon Plasma. Dopo il risultato di NA50, sono fortemente attesi sviluppi da RHIC, NA49

nei prossimi anni. A multifold approach: the (Heavy) Quarkonium Working Group A joint experimental & theoretical working group to define priorities , unify language, develop common analysis tools and maximize the amount of information than can be extracted from the wealth of new data. BES,CLEO-c E835 BaBar,Belle Aleph,L3 CDF,D0 Precision SM measurements Decays Spectroscopy Production Hera-B NA50,60 Phenix,Star Zeus, H1 CDF,D0

Quarkonium at finite T BESIII Panda LHCb,BTeV Atlas,CMS Alice QWG1, CERN, November 2002 New Physics Opportunities QWG2, FNAL, September 2003 QWG3, IHEP Beijing, October 2004 Visit our web site at www.qwg.to.infn.it CHARMONIUM RADIATIVE TRANSITIONS are the main road to access non vector states from e+emachines. are an ideal arena to study relativistic corrections on charmonium wavefunctions Should be ideal tools to measure both c and c We have:

The good old ones (8+4 parameters to measure).... Roberto Mussa ,Joint CLEO-c/BES||| Workshop, Beijing, Jan.13-15, CHARMONIUM RADIATIVE TRANSITIONS are the main road to access non vector states from e+emachines. are an ideal arena to study relativistic corrections on charmonium wavefunctions Should be ideal tools to measure both c and c We have: The good old ones (8+4 parameters to measure).... ... and tough new ones (7+3 other parameters) Roberto Mussa ,Joint CLEO-c/BES||| Workshop, Beijing, Jan.13-15,

Spettroscopia dei Quark Leggeri Roma 15/03/2004 Fisica Adronica 24 Exotics & Glueballs qq QCD suggests the existence of non states like: Glueballsqqg (gg,ggg): mesons made of bound gluons. qqqq qqqqqq qqqqq Hybrids ( ): qqbar pairs with an excited gluon. Multiquark states ( , New multiplets

, ) and/or Many new states foreseen ! meson Possiblemolecules. mixing with the standard mesons (especially for glueballs). Mass range (from lattice QCD predictions): > 1.5 GeV Roma 15/03/2004 Fisica Adronica 25 Exotic Signatures Possible signatures for the exotics states: Exotics quantum numbers JPC = 0+-, 1-+, 2+-, etc B=1 and S=1 (no standard baryons or mesons) No place in the standard meson nonets Decay width not compatible with QCD

predictions for standard states Enhanced production in gluon rich environments (for glueballs): Central production pp annihilation J/ radiative decays Roma 15/03/2004 Fisica Adronica suppressed production (for glueballs) 26 Experimental strategy For example for Glueball search one exploits the preferred production reactions like: Central production (DPE) 1 Results: WA102, Gams Future: GTeV (?) , HERAg (No) 2

pp annihilation Results: Obelix, Crystal Barrel,BNL Future: PANDA J/ radiative decays Results: DM2, Mark Future: BES (?) c c e + suppressed production Results: LEP experiments

Roma 15/03/2004 Fisica Adronica e- 27 For the quantum numbers and the decay width determination coupled channel and spin-parity analyses are mandatory ! Obelix LH NP LP pp+-0 1.500.000 Ev. ppK+K-0 68.000 Ev.

ppKK0 41.000 Ev. Roma 15/03/2004 Fisica Adronica 28 Glueballs Lightest states predicted by Lattice QCD: JPC = 0++,2++,0-+ -Mass (G.B. West 1997) : m(0++) < m(2++) < m(0+ ) qq -Mixing with the scalar nonet! Best candidate for the 0++ glueball: f0(1500). E692 pp pp(KsKs)

* Morningstar & Peardon 1999 OBELIX (pp)1S0 WA102 pp pp(K+K-) Roma 15/03/2004 Fisica Adronica M2(+-) 29 Hybrids Light states predicted with Mass ~ 2GeV. Best candidates: E852 p p OBELIX Exotic number:

JPC = 1-+ M = 1370 MeV pp Seen also by Crystal Barrel in the pn reaction. (14S), 90): JPC = 0-+ Problem: the masses of the candidates are too low ! Roma 15/03/2004 Fisica Adronica 30 Multiquark states +(1530) nK+ or pK0 uudds The anti-decuplet proposed by Diakonov, Petrov & Polyakov (Z.Phys.A359 (1997) 305) with the three exotic baryons at the corners requiring the indicated five valence

quarks - and their decay modes. Masses: 1530 MeV and 2070 MeV SPring-8 events CLAS ddssu -- -- or -K- uussd + 0+ or +K0 invariant mass [GeV/c2] Many evidence, but small significance. Not yet clear ! Roma 15/03/2004 Fisica Adronica 31 Molti candidati e molto lavoro da fare per chiarire la situazione !

2 .0 G eV 1 .5 1 .0 n=2 multipletti qq candidati chirali candidatistati gluonici candidati ibridi candidati 4S), quark n=1 0 .5 0 .0 1 1 /2 0 0 Roma 15/03/2004 1

S -+ 0 1 1 /2 0 1 3 S - - 1 1 1 /2 0 1 1 /2 0 1 1 /2 0 + - + +

1++ 3 P1 1 1 P 0 Fisica Adronica 3 P0 1 1 1 /2 0 2 3 P + + 2

- 1 - -+ 32 Charmonium Hybrids Roma 15/03/2004 Fisica Adronica 33 Charmonium Hybrids Fluxtube-Modell predicts DD** decays CLEO if mH<4,29 GeV

H<50 MeV Some exotics can decay neither to DD nor to DD* e.g.: JPC(H)=0+- fluxtube allowed J/f2, J/()S,h1c fluxtube forbidden c0,c0,c2,c2,ch1 Small number of final states with small phasespace Roma 15/03/2004 Fisica Adronica 34 Charmonium Hybrids Gluon rich process creates

gluonic excitation in a direct way ccbar requires the quarks to annihilate (no rearrangement) yield comparable to charmonium production Production All Quantumnumbers possible Recoil Meson 2 complementary techniques Production (Fixed-Momentum) Formation (Broad- and Fine-Scans) Formation Quantumnumbers like pp Momentum range for a survey p ~15 GeV

Roma 15/03/2004 Fisica Adronica 35 Fattori di Forma del Protone nella Regione Timelike Roma 15/03/2004 Fisica Adronica 36 Proton Timelike Form Factors The electromagnetic form factors of the proton in the time-like region can be extracted from the cross section for the process: pp e+eFirst order QED predicts: 4m 2p d 2 2 c 2 2 2 2 *

2 * G 1 cos G 1 cos M E * 2 xs s d cos

Data at high Q2 are crucial to test the QCD predictions for the asymptotic behavior of the form factors and the spacelike-timelike equality at corresponding values of Q2. Roma 15/03/2004 Fisica Adronica 37 Predictions of nucleon form factors are applicable up to high Q2 in both the spacelike and timelike regions. Perturbative QCD and analyticity relate timelike and spacelike form factors, predicting a continuous transition and spacelike-timelike equality at high Q2. At high Q2 PQCD predicts:

s2 (Q 2 ) F1 (Q ) Q4 s2 (Q 2 ) F2 (Q ) Q6 2 2 F1 and F2 are the Dirac and Pauli form factors respectively. PQCD and analyticity predict: G G n 2 M p M

qd qu 2 0.25 There are several unexpected features in the existing data which deserve further experimental investigation: Threshold Q2 dependence. High Q2 predictions. Resonant structures. Roma 15/03/2004 Fisica Adronica 38 Threshold Q2 Dependence Steep behaviour near threshold observed by

PS 170 at LEAR Roma 15/03/2004 Fisica Adronica 39 High-Q2 predictions The dashed line is the PQCD fit. The dot-dashed line represents the dipole behaviour of the form factor in the spacelike region for the same values of |Q|2. The expected Q2 behaviour is reached quite early, however there is a factor of two between timelike and spacelike data measured at the same |Q|2. Roma 15/03/2004 Fisica Adronica 40

Resonant Structures The dip in the total multihadronic cross section and the steep variation of the proton form factor near threshold may be fitted with a narrow vector meson resonance, with a mass M 1.87 GeV and a width 10-20 MeV, consistent with an NN bound state. These considerations strongly support the importance of a new measurement of the neutron proton timelike form factors with much higher statistics than previous work and with the capability of separately determining the electric and magnetic form factors. Roma 15/03/2004 Fisica Adronica 41 Measurement of the Form Factor d

acc d d (cos *) 0 cos * max d 2 2 4 m 2 2 p B GE A GM 2 p s s 2 cos * max E835 statistics not sufficient to measure the angular distribution (and thus determine GE and GM separately. Calculate GM under two hypotheses:

(a) GE = GM (b) GE contribution negligible Roma 15/03/2004 Fisica Adronica 42 E835 Form Factor Measurement The dashed line is the PQCD fit: GM p s (GeV2) C s s 2 ln 2 2

102|GM| 102 |GM| (a) (b) 0.11 0.20 0.12 11.63 1.74 00..18 1 . 94 16 0.07 0.17 0.08 0.150.08 0.17 0.09 12.43 1.48 0.13 0.05 1.63 0.14 0.05 Roma 15/03/2004 Fisica Adronica

43 Future Measurements of the Proton Timelike Form Factors Measurements at e+e- machines (to be checked): BaBar Belle CLEO-III/CLEO-C BES Daphne VEPP Measurements at pp machines: PANDA Roma 15/03/2004 Fisica Adronica

44 Mesoni e Barioni Charmati Roma 15/03/2004 Fisica Adronica 45 Charm ...the issues Lifetime Rare decays Mixing

Semileptonic sector Hadronic decays (Dalitz plot) Leptonic decays Multi-body channels (4,5,6 bodies!) Charm Baryons D* spectroscopy Roma 15/03/2004 46 Beyond the Standard Model: the clue from charm ... Precision study of b and c decays deviations in expected behaviour of b and c quarks evidence for new physics + will elucidate new physics if found elsewhere Rare decays Mixing & CPV Roma 15/03/2004 47

To use the full power of b and c decays, theoretical calculations of strong interactions must be used. The lattice gauge approach promises precision calculations that must be confronted with data Precision measurements of the D+ and Ds decay constants Semileptonic charm decay measurements and Vcs directly as well as input on hadronic matrix element Roma 15/03/2004 Vcd 48 Direct signatures for new physics in charm decays Bigi-Sanda hep-ph/9909479 A priori it is quite conceivable that qualitatively different forces drive the decays of up-type and down-type quarks . More specifically, non-Standard-Model forces might exhibit a very different pattern for the two classes of quarks. Charm decays are the only up-type quarks that allow to probe this physics:non-strange light flavour hadrons do not allow for oscillations and top-flavoured hadrons do not even

form in a practical way Roma 15/03/2004 49 Mixing & CPV Motivation: suppressed in the charm sector in the SM. If measured, would suggest SM extension x M ;y 2 BaBar measurement is @ 57.1 fb-1 Roma 15/03/2004 50 New limits expected by BaBar and Belle Cleo-c r ( x 2 y 2 ) / 2 0.01 @ 95% C.L. D

CP violation Direct CP violation in D0 and D+ Indirect CP violation in D0 decays CP violation measurements exploiting the quantum coherence of the D0 D0 produced pair (3770) DD ; JP=1 CP violation asymmetry sensitivity ACP<0.01 @ Cleo-c and Beauty Factories Roma 15/03/2004 51 Rare decays Motivation: lepton number violation study investigation of long range effects and SM extension D , Ds h (h , K ) FOCUS improved results by a factor of 1.7 14: approaching theoretical predictions for some of the modes but still far for the majority CDF Br(D0+-)<2.4 10-6 @ 90% C.L. is the best limit for this mode (65 pb-1 data)

CDF and D0 can trigger on dimuons promising Cleo-c sensitivity 10-6 Roma 15/03/2004 52 Leptonic decays Motivations: decay constants measurements Lattice predicts fB/fD & fBs/fDs with small errors Roma 15/03/2004 53 Hadronic and semileptonic decays Over constrain the Unitarity Triangle Inconsistencies New Physics semileptonic decays are the easiest way to determine CKM elements:QCD effects contained in form factors. Comparison with LGT and quark model calculations!

Roma 15/03/2004 54 Status of CKM Matrix Current VCKM From direct Measurements -no unitarity imposed Vud/Vud 0.1% Vus/Vus =1% e n p Vcd/Vcd 7%

D l Vtd/Vtd =36% Bd l Vub/Vub 17% B

l l B Vts/Vts 39% Bd Bs Vcb/Vcb 5% Vcs/Vcs =11% D l Bs

D Vtb/Vtb 29% t W b CLEO-c will redefine 2nd generation elements And enable improvements in 3rd generation Roma 15/03/2004 55 Potential Impact on VCKM Current VCKM From direct Measurements -no unitarity imposed Future VCKM

Vud/Vud 0.1% Vus/Vus 1% e n p 2% Vcd/Vcd 7% D l Vtd/Vtd 36% 5

% Bd 5 Vub/Vub 17% %l l B 2 Vcs/Vcs 11% % l D

Vcb/Vcb 5% 3 %l B Vts/Vts 39% 5 % Bd Bs Bs D Vtb/Vtb 29%

t W b CLEO-c will redefine 2nd generation elements And enable improvements in 3rd generation Roma 15/03/2004 56 Summary of reach Roma 15/03/2004 57 The GSI future project D. Bettoni - The Panda experiment 58 Research activities at the future GSI facility

Structure and dynamics of nuclei: Radioactive beams Nuclear matter, nuclear astrophysics, fundamental symmetries Nuclear Matter and QGP: Relativistic HI Beams Nuclear phase diagram,compressed nuclear/strange matter, deconfinement and chiral symmetry Hadron structure and quark gluon dynamics: Antiprotons Non perturbative QCD, quark-gluon degrees of freedom, confinement and chiral symmetry, hypernuclear physics Physics of dense plasmas and bulk matter: Bunch Compression Properties of high-density plasmas, phase transitions and equation of state, Laser-ion interactions with and in plasmas. D. Bettoni - The Panda experiment 59 Antiproton Physics Program Charmonium Spectroscopy. Precision measurement of masses, widths and branching ratios of all (cc) states (hydrogen atom of QCD). Search for gluonic excitations (hybrids, glueballs) in

the charmonium mass range (3-5 GeV/c2). Search for modifications of meson properties in the nuclear medium, and their possible relation to the partial restoration of chiral symmetry for light quarks. Precision -ray spectroscopy of single and double hypernuclei, to extract information on their structure and on the hyperon-nucleon and hyperon-hyperon interaction. D. Bettoni - The Panda experiment 60 The GSI p Facility HESR = High Energy Storage Ring Production rate 2x107/sec = 1 - 15 GeV/c Pbeam = 5x1010 p Nstored High luminosity mode Luminosity = 2x1032 cm-2s-1 dp/p~10-4 (stochastic cooling) High resolution mode dp/p~10-5 (el. cooling < 8 GeV/c) Luminosity = 1031 cm-2s-1

D. Bettoni - The Panda experiment 61 QCD Systems to be studied in Panda D. Bettoni - The Panda experiment 62 The detector Detector Requirements: (Nearly) 4S), solid angle coverage (partial wave analysis) High-rate capability (2107 annihilations/s) Good PID (, e, , , K, p) Momentum resolution ( 1 %)

Vertex reconstruction for D, K0s, Efficient trigger Modular design For Charmonium: Pointlike interaction region Lepton identification Excellent calorimetry Energy resolution sensitivity to low-energy photons D. Bettoni - The Panda experiment 63 Panda Detector Concept target spectrometer straw tube tracker mini drift chambers forward spectrometer muon

counter DIRC iron yoke Solenoidal magnet electromagnetic calorimeter micro vertex detector D. Bettoni - The Panda experiment 64 D. Bettoni - The Panda experiment 65 Cost - Schedules Civil Construction 225 M

Accelerator Components 265 M Detectors 185 M (Panda 31 M) TOTAL 675 M HESR and 4S), MeV e-cooling: end 2009 SIS200 and 8 MeV e-cooling: end 2011 Panda data taking ~2011 Activities in 2004S), Letter of Intent due end 2003 Refine physics. Prepare physics book. GSI physics workshop. GSI 13-17 Oct 2003 Frascati Workshop March 2004S), Finalize detector design. Prepare TDR. D. Bettoni - The Panda experiment 66 PANDA Collaboration At present a group of 150 physicists from 4S), 0 institutions of 9 Countries. Austria - Germany Italy Netherlands Poland Russia Sweden U.K. U.S.

Bochum, Bochum, Bonn, Bonn, Brescia, Brescia, Catania, Catania, Cracow, Cracow, Dresden, Dresden, Dubna Dubna II + + II, II, Edinburg, Edinburg, Erlangen, Erlangen, Ferrara, Ferrara, Frascati, Frascati, Franhfurt, Franhfurt, Genova, Genova, Giessen, Giessen, Glasgow, Glasgow, KVI KVI Groningen, Groningen, GSI, GSI, FZ FZ Jlich

Jlich II + + II, II, Los Los Alamos, Alamos, Mainz, Mainz, Milano, Milano, TU TU Mnchen, Mnchen, Mnster, Mnster, Northwestern, Northwestern, BINP BINP Novosibirsk, Novosibirsk, Pavia, Pavia, Silesia, Silesia, Stockolm, Stockolm, Torino Torino II + + II, II, Torino Torino Politecnico,Trieste, Politecnico,Trieste, TSL

TSL Uppsala, Uppsala, Tbingen, Tbingen, Uppsala, Uppsala, SINS SINS Warsaw, Warsaw, AAS AAS Wien Wien Spokesperson: Ulrich Wiedner - Uppsala D. Bettoni - The Panda experiment http://www.gsi.de/hesr/panda 67 Attivit dei Gruppi Italiani Ferrara (gruppo ex E835, attualmente in BaBar) Partecipazione a Panda: fisica del charmonio, tracciamento Attivit prevista nel 2004S), (0.2 FTE): partecipazione a gruppi di studio e riunioni di collaborazione; collaborazione nella scrittura del physics book (D.Bettoni editore della parte sul charmonio); collaborazione scrittura TDR; simulazione charmonio. Torino (gruppo Compass)

Partecipazione a Panda: rivelatore per (tipo RICHWall), DVCS, D-Y. Attivit prevista nel 2004S), (1 FTE +1 dott.): partecipazione a gruppi di studio e riunioni di collaborazione; collaborazione nella scrittura del physics book e TDR; simulazione reazioni Drell-Yan. Trieste (gruppo Compass) Partecipazione a Panda: RICH. Attivit prevista nel 2004S), (0.2 FTE): partecipazione a gruppi di studio e riunioni di collaborazione D. Bettoni - The Panda experiment 68

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