PANDA FAIR. Anastasios Belias for the PANDA Collaboration GSI, Darmstadt, Germany. EXA2017, Vienna September 15th, 2017

Transcription

1 PANDA FAIR Anastasios Belias for the PANDA Collaboration GSI, Darmstadt, Germany EXA2017, Vienna September 15th, 2017

2 PANDA FAIR The Facility PANDA Physics Goals Status & Outlook

3 Facility for Antiproton and Ion GSI, Darmstadt, Germany EXA2017 A. Belias - GSI 3

4 Facility for Antiproton and Ion GSI, Darmstadt, Germany EXA2017 A. Belias - GSI 4

5 Facility for Antiproton and Ion Research EXA2017 A. Belias - GSI 5

6 Facility for Antiproton and Ion Research EXA2017 A. Belias - GSI 6

7 Facility for Antiproton and Ion Research EXA2017 A. Belias - GSI 7

8 Facility for Antiproton and Ion Research EXA2017 A. Belias - GSI 8

9 AntiProton ANnihilation at DArmstadt EXA2017 A. Belias - GSI 9

10 HESR & FAIR EXA2017 A. Belias - GSI 10

11 HESR - High Energy Storage Ring Forschungszentrum Jülich Mode High luminosity (HL) High resolution (HR) p/p ~10-4 ~4x10-5 L(cm -2 s -1 ) 2x x10 31 Stored p EXA2017 A. Belias - GSI 11

12 HESR - High Energy Storage Ring Forschungszentrum Jülich Mode High luminosity (HL) High resolution (HR) p/p ~10-4 ~4x10-5 L(cm -2 s -1 ) 2x x10 31 Stored p e + e - Low hadronic background Direct production restricted to states p p High hadronic background Direct production of various states Production experiments EXA2017 A. Belias - GSI 12

13 PANDA Physics Goals EXA2017 A. Belias - GSI 13

14 PANDA Physics Goals EXA2017 A. Belias - GSI 14

15 PANDA Physics Goals EXA2017 A. Belias - GSI 15

16 Accessible Hadrons in PANDA Large mass-scale coverage - center-of-mass energies from 2 to 5.5 GeV - from light, strange, to charm-rich hadrons - from quark/gluons to hadronic degrees of freedom High hadronic production rates - charm + strange factory -> discovery by statistics! - gluon-rich production -> potential for new exotics exotic charmonium Access to large spectrum of J PC states - direct formation of all conventional J PC states - large sensitivity to high spin states conventional charmonium Systematic and precise tool to rigorously study the dynamics of QCD EXA2017 A. Belias - GSI 16

17 Antiproton annihilations: gluon rich environment antiproton probe unique EXA2017 A. Belias - GSI 17

18 Charmonium-like particles - terra incognita P(4450) P(4380) Open charm threshold Discovery line shape of X(3872) neutral + charged Z-states hidden-charm pentaquark X,Y,Z decays search for hc, 3 F4, spin-parity/mass & width of 3 D2 pentaquark candidates Precision line shape/width of the hc radiative decays (multipole) light-quark spectroscopy EXA2017 A. Belias - GSI 18

19 Case study: the nature of the X(3872) EXA2017 A. Belias - GSI 19

20 Case study: the nature of the X(3872) EXA2017 A. Belias - GSI 20

21 Resonance scanning Resonance cross section Measured rate Beam CM Energy Line shape measurement using HESR s superb mass resolution EXA2017 A. Belias - GSI 21

22 Resonance scanning (MC study) Cross sections: Luminosity: Energy resolution (HESRr): 20 points each 2 days data taking! Width sensitivity down to 100 kev achievable on day-one Klaus Goetzen et al. EXA2017 A. Belias - GSI 22

23 Resonance scanning (MC study) Cross sections: Luminosity: Energy resolution (HESRr): 20 points each 2 days data taking! Klaus Goetzen et al. EXA2017 A. Belias - GSI 23

24 X, Y, Z - Discoveries EXA2017 A. Belias - GSI 24

25 X, Y, Z rates at PANDA How many X(3872), Y(4260), Z(3900)+ can PANDA produce? EXA2017 A. Belias - GSI 25

26 Exploring the hyperon sector Work in progress EXA2017 A. Belias - GSI 26

27 PANDA is a hyperon factory Work in progress Karin Schoenning EXA2017 A. Belias - GSI 27

28 Ξ(1820) Work in progress EXA2017 A. Belias - GSI 28

29 Hadron Sructure Studies at PANDA Time-like Electromagnetic Form Factors (lepton pair production) arxiv: μ- μ+ Transition Distribution Amplitudes (meson production) arxiv: Generalised Distribution Amplitudes (time-like Compton, hard exclusive processes) Transverse Parton Distribution Functions (Drell-Yan production) EXA2017 A. Belias - GSI 29

30 Time-like proton electromagnetic form factors Time-like Electromagnetic Form Factors (lepton pair production) arxiv: Eur.Phys.J. A52 (2016) no.10, 325 μ- μ+ EXA2017 A. Belias - GSI 30 Alaa Dbeyssi

31 Proton form factors in the unphysical region Work in progress EXA2017 A. Belias - GSI 31 I. Zimmermann, J. Boucher

32 Proton FFs in the unphysical region Work in progress EXA2017 A. Belias - GSI 32 I. Zimmermann, J. Boucher

33 Electromagnetic processes in PANDA Work in progress EXA2017 A. Belias - GSI 33

34 HYPERNUCLEI S Tour de Force 34

35 primary target nucleus Principle: Produce hypernuclei from captured Ξ Modified Setup: Primary retractable wire/foil target Secondary active target to capture Ξ and track products with Si strips HP Ge detector for γ-spectroscopy Josef Pochodzalla 35

36 EXA2017 A. Belias - GSI 36

37 The PANDA Detector Cluster & Pellet Target Solenoid Magnet &Yoke Muon Chambers Dipole Magnet Dipole ToF Muon Range System Luminosity Detector BE EMC Antiproton Hyper Nuclear beam Interaction point Setup not shown Barrel DIRC & ToF EXA2017 MVD STT Target Spectrometer Barrel EMC GEM FE EMC Disc Forward DIRC Trk Forward Spectrometer ~13 m A. Belias - GSI Fwd RICH Fwd ToF Fwd Shashlyk 37

38 Schedule A. Belias - GSI 38

39 Present Status of PANDA Most Phase 1 detector Technical Design Reports complete in 2017 Preparation for Construction MoU ongoing Sharpened physics focus and detector start sequence ongoing Timeline of PANDA All TDRs of Phase 1 to be completed by 2018 Ready for mounting at FAIR from 2021 Installation takes ~2 years PANDA & FAIR start in hadron physics with antiproton from 2025 Versatile physics machine with full detection capabilities PANDA will shed light on many of today's QCD puzzles Significant opportunities for visible contributions in PANDA A. Belias - GSI 39

40 Key-Experiments of the Start Phase EXA2017 A. Belias - GSI 40

41 Summary and Outlook PANDA Hadron physics with antiproton beam provides excelent physics opportunities over a broad range Antiproton beams for spectroscopy: X,Y,Z-factory, open charm, light mesons, baryons, glue-balls, hybrids, precision studies with large data samples, measurement of width and cross section Nucleon structure via antiproton annihilation: many channels and reactions studied in simulations are accessible and measurable with high precision Strangeness studies: hyperon spectrum & hypernuclei with strangeness S=2 EXA2017 A. Belias - GSI 41

42 PANDA Collaboration A. Belias - GSI 42

43 Ready 2025 Very welcome to join A. Belias - GSI 43

44 Extra slides 44

45 Charmonium - the hydrogen of QCD +radial excitations 1974: November revolution

46 Antiprotons EXA2017 A. Belias - GSI 46

47 Antiprotons EXA2017 A. Belias - GSI 47

48 Antiprotons EXA2017 A. Belias - GSI 48

49 Antiprotons EXA2017 A. Belias - GSI 49

50 Antiprotons EXA2017 A. Belias - GSI 50

51 Antiprotons EXA2017 A. Belias - GSI 51

52 Expected Energy Resolution EXA2017 A. Belias - GSI 52

53 PANDA Physics Goals EXA2017 A. Belias - GSI 53

54 PANDA Physics Program EXA2017 A. Belias - GSI 54

55 PANDA is a hyperon factory Work in progress Karin Schoenning EXA2017 A. Belias - GSI 55

56 Glueball Studies at PANDA EXA2017 A. Belias - GSI 56

57 Detector requirements 57

58 Cross section Needle-in-a-haystack Energy 58

59 Intelligent in-situ data processing cluster finding vertex finding vertex fitting particle identification 10 7 /sec. feature extraction track fitting track finding kinematic reconstruction <10 4 events/sec. 59

60 Start-Setup (Phase 1) Cluster Target Solenoid Magnet Muon Chambers Dipole Magnet Muon Range System Luminosity Detector BE EMC Barrel DIRC & ToF MVD STT Barrel EMC GEM I A. Belias - GSI FE EMC Fwd Trk I Fwd ToF Fwd Shashlyk 60

61 Full Setup (Phase 2) Cluster & Pellet Target Solenoid Magnet Muon Chambers Dipole Magnet Dipole ToF Muon Range System Luminosity Detector BE EMC Hyper nuclear Setup not shown Barrel DIRC & ToF MVD STT Barrel EMC GEM I & II A. Belias - GSI FE EMC Disk DIRC Fwd Trk I & II Fwd RICH Fwd ToF Fwd Shashlyk 61

62 FAIR Groundbreacking Event 4-July-2017 FAIR Council members. Klaus Peters PANDA Spokesperson. A. Belias - GSI 62

63 Hypernuclear Setup Principle: Produce hypernuclei from captured Ξ Modified Setup: Primary retractable wire/foil target Secondary active target to capture Ξ and track products with Si strips HP Ge detector for γ-spectroscopy Priamary target: Diamond wire Piezo motored wire holder wire target beampipe Piezo motors sliding carriage on rails Active secondary target: Silicon microstrips Absorbers EXA2017 A. Belias - GSI 63