Exploring QCD with Antiprotons

PANDA at FAIRM. Hoek on behalf of the PANDA Collaboration

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

Quantum Chromodynamics (QCD)

Asymptotic Freedom

Confinement

QCD

Degrees of Freedom

Exotic Forms of Matter

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

Physics at PANDA

Precision Hadron Spectroscopy

Exotic States (Glueballs, Hybrids)

In-Medium Modifications

Nucleon Structure

Hypernuclei

Non-perturbative QCD

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

Charmonium Spectroscopy

4

3s

sV krr

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

Charmonium Spectroscopy

1--

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

Charmonium Spectroscopy

Mass difference

important for potential models

Compare spin singlet and triplet states

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

Charmonium Spectroscopy

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

Exotic Excitations – Glueballs & Hybrids

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

Nucleon Structure

DVCS Hard exclusive Meson production

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

Facility for Antiproton and Ion Research

GSI

Primary Beams• 238U28+ : 1012/s @ 1.5-2 AGeV; • 238U92+: 1010/s @ up to 35 AGeV • Protons : 2 x1013/s @ 30 GeV 100-1000 x present intensity

Secondary Beams •Broad range of radioactive beams up to 1.5 - 2 AGeV

• up to 10 000 x present intensity • Antiprotons 0 - 15 GeV

Storage & Cooler Rings•Radioactive beams•e-– A (or Antiproton-A) collider•1011 stored and cooled antiprotons 1.5 - 15 GeV/c

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

High Energy Storage Ring

• Beam momentum 1.5-15 GeV/c• Storage ring for internal target• Luminosity up to L~ 2x1032 cm-2s-1

•Beam cooling (stochastic & electrons)

•Energy resolution ~50 keV

Resonance Scan

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

PANDA Detector

Target Spectrometer

Forward Spectrometer

Beam

Target

Instrumented Yoke

Solenoid Magnet

Central Tracker

Forward Tracker

Calorimeter

Calorimeter

Dipole Magnet

Calorimeter

Forward Tracker

Muon Range System

Micro Vertex Detector

PID

PID

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

Summary & Outlook

• PANDA will be a versatile QCD experiment:• Large acceptance and double spectrometer

• Tracking and vertexing capabilities

• Particle identification and calorimetry

• Flexible data acquisition & trigger

• Novel techniques in detector and readout design

IOP Nuclear and Particle Physics Divisional Conference 4-7 April 2011, University of Glasgow

U BaselIHEP BeijingU BochumIIT BombayU BonnIFIN-HH BucharestU & INFN BresciaU & INFN CataniaJU CracowTU CracowIFJ PAN CracowGSI Darmstadt TU DresdenJINR Dubna (LIT,LPP,VBLHE)U EdinburghU ErlangenNWU Evanston

U & INFN FerraraU FrankfurtLNF-INFN FrascatiU & INFN GenovaU GlasgowU GießenKVI GroningenIKP Jülich I + IIU KatowiceIMP LanzhouU LundU MainzU MinskITEP Moscow MPEI MoscowTU MünchenU MünsterBINP Novosibirsk

IPN OrsayU & INFN PaviaIHEP ProtvinoPNPI GatchinaU of SilesiaU StockholmKTH StockholmU & INFN TorinoPolitecnico di TorinoU Piemonte Orientale, TorinoU & INFN TriesteU TübingenTSL UppsalaU UppsalaU ValenciaSMI ViennaSINS WarsawTU Warsaw

About 420 physicists from 53 institutions in 16 countries

PANDA Collaboration