PANDA Hardware - Status and Developments

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1 PANDA Hardware - Status and Developments Introduction K. Peters, The Physics of PANDA PANDA at FAIR: Hardware EMC in detail H.-G. Zaunick Status and Recent Developments Kai-Thomas Brinkmann, BelINP Minsk, Apr 27, 2017

2 Antiprotons will play a central role in FAIR. Antiproton Production Proton Linac: p at 70 MeV p acceleration in SIS18 / 100 p production on Ni/Cu target collection in CR, fast cooling accumulation in RESR, slow cooling Storage in HESR experiments in PANDA at cm -2 s -1 Modularised Start Version RESR will be added (Mod. 4) Accumulation in HESR 10x higher luminosities achieved KTB BelINP 2

3 Antiprotons are a unique tool in Hadron P. Hadron physics connects to QCD. Only p facility worldwide Tremendous potential demonstrated in previous p campaigns HESR facilitates precision physics. Beam cooling ΔE ~ 50 kev Tune ss to scan across structures Annihilation at threshold KTB BelINP 3

The High-Energy Storage Ring is a unique

Resonance Scan HESR E CM electron cooler

target Accumulation/stacking Stochastic &

4 The High-Energy Storage Ring is a unique instrument for the envisaged studies. Resonance Scan HESR E CM electron cooler HESR Parameters Storage ring for internal target Accumulation/stacking Stochastic & electron cooling Injection of p at 3.7 GeV/c Slow synchrotron ( GeV/c) Luminosities up to cm -2 s -1 KTB BelINP 4

5 KTB BelINP 5

6 The PANDA Detector PANDA is a modular multi-purpose device: Excellent forward acceptance and resolution (Moderate) backward acceptance Wide dynamic range: particle momenta GeV/c Momentum measurements in magnetic fields ( p/p 1%) Particle ID in wide momentum range e ±, µ ±, π ±, K ±, p, Electromagnetic calorimeter: γ, π 0, η... (e ± ) High-resolution vertex detection: D ±, D 0 / K s, Λ, Σ, Ω... High interaction rate beyond s -1 Intelligent trigger design for parallel data acquisition at high rates and small branching fractions KTB BelINP 6

7 specialized systems. KTB BelINP 7

8 PANDA will be realized in two phases. (I): KTB BelINP 8

9 PANDA will be realized in two phases. (II): KTB BelINP 9

2 T central field Instrumented iron yoke Doors for installation and

optimized, close to tender - Yoke design complete Contract with BINP in

10 specialized systems: Magnets. Solenoid Magnet Superconducting coil, segmented for to accommodate target 2 T central field Instrumented iron yoke Doors for installation and maintenance Status: - Cooperation with CERN for cold mass - Conductor optimized, close to tender - Yoke design complete Contract with BINP in preparation Dipole Magnet Normal conducting racetrack design Dipole also bends the beam Segmented yoke for ramping KTB BelINP 10

11 specialized systems: Targets. Luminosity Considerations Goal: cm -2 s -1 With stored p and 50 mb: cm -2 target density Cluster Jet Target Continuous development: nozzle improvement, alignment by tilt device Record cm -2 reached TDR approved tilt flange Pellet Target > cm -2 feasible Prototype under way Pellet tracking prototype Second TDR part KTB BelINP 11

12 specialized systems: Micro-Vertex Det. Design adopts state-of-the-art silicon sensor techniques. Focus on PANDA-specific issues: High and asynchronous interaction rate Strongly asymmetric angular distributions Versatile experimental requirements D meson ID Minimum mass budget Solutions: Heterogeneous design (pixels and strips) Limited number of space points / layers (default 4) Novel readout electronics (non-triggered readout) Tracklets real-time (fast on-line processing) D + π + π + K - KTB BelINP 12

mm, l = 1500 mm Self-supporting straw double layers at 2 atm pressure (Ar/CO 2 ) Readout with ASIC+TDC or FADC

13 specialized systems: Straw Tube Tracker straws in layers, 8 layers skewed at ~3 Tubes: 27 µm Al-mylar, Ø=1cm Radii: r in = 150 mm, r out = 420 mm, l = 1500 mm Self-supporting straw double layers at 2 atm pressure (Ar/CO 2 ) Readout with ASIC+TDC or FADC Material Budget: Max. 26 layers, 0.05 % X/X 0 per layer Total 1.3% X/X 0 Status Readout prototypes & beam tests Ageing tests: up to 1.2 C/cm 2 Straw series production ongoing KTB BelINP 13

stations with 4 projections each (radial,

2 GEM stacks Large-area GEM foils provided

ADC readout for cluster centroids (approx.

14 specialized systems: GEM Trackers. Forward Tracking inside Solenoid 3 to 4 stations with 4 projections each (radial, concentric, x, y) Central readout plane for 2 GEM stacks Large-area GEM foils provided by CERN (50µm Kapton, 2-5µm copper coating) ADC readout for cluster centroids (approx channels) Minimization of material budget KTB BelINP 14

in the dipole gap FT5&6 : large chambers behind dipole Straw tubes arranged

overpressure 4 projections 0 /±5 /0 per chamber STATUS Optimisation of

15 specialized systems: Forward Tracking. 3 stations with 2 chambers each FT1&2 : between solenoid and dipole FT3&4 : in the dipole gap FT5&6 : large chambers behind dipole Straw tubes arranged in double layers 27 µm thin mylar tubes, 1 cm Ø Stability by 1 bar overpressure 4 projections 0 /±5 /0 per chamber STATUS Optimisation of setup: FT6 before RICH Final simulation ongoing Testbeam at COSY, PASTTREC readout Task force on pattern recognition KTB BelINP 15

16 specialized systems: Electromagnetic calorimetry. KTB BelINP 16

17 specialized systems: ToF systems. Forward ToF walls Barrel Scintillator Tile Hodoscope plastic scintillators optimized for <100 ps ToF resolution KTB BelINP 17

BaBar Cherenkov detector with SiO 2 radiator β of particles measured Optimization and

18 specialized systems: Barrel DIRC. Baseline design DIRC: Detection of Internally Reflected Cherenkov light, pioneered by BaBar Cherenkov detector with SiO 2 radiator β of particles measured Optimization and challenges Focusing by lenses/mirrors More compact design Magnetic field MCP PMT Fast readout to suppress BG Plates as more economic radiator KTB BelINP 18

19 specialized systems: Disc DIRC. Baseline design Disk-shaped DIRC in forward direction Readout placed at disk rim β of particles measured KTB BelINP 19

20 specialized systems: Muon system. Baseline design Instrumented iron yoke, range system MDTs: Drift tubes with wire & cathode strip readout Performance verified in beam tests KTB BelINP 20

section Detector layout Roman pot system at z=11 m Silicon pixels (80x80 µm 2 ): 4 layers of HV MAPS (50 µm thick) CVD diamond supports

21 specialized systems: Luminosity detector. Based on elastic scattering Precision tracking of scattered p Acceptance 3-8 mrad Elastic Scattering Coulomb part Hadronic part Total cross section Detector layout Roman pot system at z=11 m Silicon pixels (80x80 µm 2 ): 4 layers of HV MAPS (50 µm thick) CVD diamond supports (200 µm) Retractable half planes in sec. vacuum HV MAPS Development for Mu3e Experiment at PSI Active pixel sensor in HV CMOS: faster and more rad. hard Digital processing on chip Testbeam results: S/N ~ 20, efficiency ~ 99.5% KTB BelINP 21

specialized systems: Hypernuclear Setup.

Primary retractable wire/foil target Secondary active target

detector for γ spectroscopy Primary Target: Diamond wire

22 specialized systems: Hypernuclear Setup. Detect hypernuclei produced by captured Ξ Custom Setup Primary retractable wire/foil target Secondary active target to capture Ξ and track products with Si strips HP Ge detector for γ spectroscopy Primary Target: Diamond wire Piezo motored wire holder Active Secondary Target: Silicon microstrips Absorbers KTB BelINP 22

Data Flow: Data reduction Local feature extraction Data burst building Event selection Data logging

23 PANDA features a flexible data acquisition with self-triggered readout. Components: Time distribution system Intelligent frontends Powerful compute nodes High speed network Data Flow: Data reduction Local feature extraction Data burst building Event selection Data logging after online reconstruction Programmable Physics Machine DAQ chain tested with time distribution system, frontend and concentrator KTB BelINP 23

Technical Design Reports for many systems exist and have passed

Submission System ExpectedSubmis i E t d Target Spectrometer EMC

Detector (MVD) 02/26/2013 Straw Tube Tracker (STT) 01/29/2013

Shashlyk Calorimeter 03/03/2016 Barrel DIRC 22/9/2016 3/2017

Time of Flight (TOF) 3/2017 9/2017 Forward Tracking 6/2017 12/2017

Controls 12/2017 6/2018 DAQ 6/2018 12/2018 Endcap Disc DIRC 6/2017

GEM Trackers 6/2019 12/2019 Silicon Lambda Disks tba: to be

24 Technical Design Reports for many systems exist and have passed review. Submission System ExpectedSubmis i E t d Target Spectrometer EMC 08/08/2008 Solenoid 05/21/2009 Dipole 05/21/2009 Micro Vertex Detector (MVD) 02/26/2013 Straw Tube Tracker (STT) 01/29/2013 Cluster Jet Target 08/28/2013 Muon System 09/22/2014 Forward Shashlyk Calorimeter 03/03/2016 Barrel DIRC 22/9/2016 3/2017 Luminosity Detector 12/2016 6/2017 Forward TOF 3/2017 9/2017 Barrel Time of Flight (TOF) 3/2017 9/2017 Forward Tracking 6/ /2017 Pellet Target 12/2017 6/2018 Hypernuclear Setup 9/ /2017 Controls 12/2017 6/2018 DAQ 6/ /2018 Endcap Disc DIRC 6/ /2017 Computing 9/2017 3/2018 Forward RICH 12/2017 6/2018 Planar GEM Trackers 6/ /2019 Silicon Lambda Disks tba: to be announced tba pected 3 3 (Approval) Expected M3 tba Status 8/12/2016 For the items Interaction Region, Supports and Supplies no TDRs are planned, only specification documents. KTB BelINP 24

25 Aligarh Muslim University U Basel IHEP Beijing U Bochum Magadh U, Bodh Gaya BARC Mumbai IIT Bombay U Bonn IFIN-HH Bucharest U & INFN Brescia U & INFN Catania NIT, Chandigarh AGH UST Cracow JU Cracow U Cracow IFJ PAN Cracow GSI Darmstadt Karnatak U, Dharwad TU Dresden JINR Dubna U Edinburgh U Erlangen NWU Evanston U & INFN Ferrara FIAS Frankfurt LNF-INFN Frascati U & INFN Genova U Glasgow U Gießen Birla IT&S, Goa KVI Groningen Sadar Patel U, Gujart Gauhati U, Guwahati IIT Guwahati Jülich CHP Saha INP, Kolkata U Katowice IMP Lanzhou INFN Legnaro U Lund HI Mainz U Mainz U Minsk ITEP Moscow MPEI Moscow U Münster BINP Novosibirsk Novosibirsk State U IPN Orsay U & INFN Pavia Charles U, Prague Czech TU, Prague IHEP Protvino PNPI St. Petersburg U of Sidney U of Silesia U Stockholm KTH Stockholm Suranree University South Gujarat U, Surat U & INFN Torino Politecnico di Torino U & INFN Trieste U Tübingen TSL Uppsala U Uppsala U Valencia SMI Vienna SINS Warsaw TU Warsaw KTB BelINP 25

26 KTB BelINP 26

The PANDA Detector at FAIR

The PANDA Detector at FAIR at FAIR Lars Schmitt, GSI on behalf of the PANDA Collaboration PANIC 2008, Eilat, Israel, November 11th 2008 The Facility Overview of PANDA Physics Summary and Outlook Facility for Antiproton and Ion Research