Download - D DD*DD* ψ(1 1 D 2 ) ψ(1 3 D 2 ) ψ(1 3 D 3 ) ψ(1 3 D 1 ) η c (1 1 S 0 ) η c (2 1 S 0 ) J/ψ(1 3 S 1 ) χ c0 (1 3 P 0 ) χ c1 (1 3 P 1 ) χ c2 (1 3 P 2 ) h.

Transcript
Page 1: D DD*DD* ψ(1 1 D 2 ) ψ(1 3 D 2 ) ψ(1 3 D 3 ) ψ(1 3 D 1 ) η c (1 1 S 0 ) η c (2 1 S 0 ) J/ψ(1 3 S 1 ) χ c0 (1 3 P 0 ) χ c1 (1 3 P 1 ) χ c2 (1 3 P 2 ) h.

DD

DD* ψ(11D2)ψ(13D2)ψ(13D3)

ψ(13D1)

ηc(11S0)

ηc(21S0)

J/ψ(13S1)

χc0(13P0)χc1(13P1)

χc2(13P2)

h1c(11P1)

D*D*ψ(33S1)

ψ(23S1)

χc0(23P0)χc1(23P1)

χc2(23P2)

h1c(21P1)ηc(31S0)

Hadron Physics @

Klaus Peters

KPIII/HPI, GSI DarmstadtIKF, JWGU Frankfurt

Project X Workshop “Physics”

Nov 16, 2007

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Klaus Peters - Hadronphysics @ FAIR

Offical Start SignedBy 12 Partners

Volume in Phase A940 M€

16 Countries

Nov. 7, FAIR Start-Event – last week

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Klaus Peters - Hadronphysics @ FAIR

Where is Darmstadt ?

GSI

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Klaus Peters - Hadronphysics @ FAIR

@ GSI

FAIRCDR 2001FTBR 2006Construction Start 2007Ground Breaking 2008First Experiments 2012Fully Completed 2015Budget € 1.1 B

Existing GSI new FAIR buildings

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Klaus Peters - Hadronphysics @ FAIR

Electroweak Force

Electromagnetic ForceQED

Weak ForceStandard Model

Strong Force

QCD

Gravitational ForceGeneral Relativity

galaxy1021 m

matter10-1 m

crystal10-9 m atom

10-10 m

atomic nucleus10-14 m

<10-18 m

electron

quark

nucleon10-15 m

DNA10-8 m

Research with Beams of Hadrons and Ions

quark-gluon plasmaexcited vacuum

HI Beams 12 TW/g

RIBs 1.5 – 2 GeV/u

Antiprotons 0-15 GeV

Relativ. HI 35 GeV/u

Ion-Matter InteractionsDense Plasmas

Ultra High EM FieldsNuclei at the Extremes

Quark Gluon Structure of Hadrons

Quark Matter

Structure of Matter

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Klaus Peters - Hadronphysics @ FAIR

Mission Statement

• Strong and weak interaction critically determine the structure of matter at the microscopic level

Goal: Comprehensive and quantitative understanding

• Many-body aspects play an important role at all levels of the hierarchical structure of matter

Goal: Investigate many-body effects at all scales

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Klaus Peters - Hadronphysics @ FAIR

100 m

Hadron Physicswith antiprotons

Nuclear Structure & Astrophysicswith radioactive beams

Plasma Physics with compressed ion beams & high-intensity petawatt-laser

Nuclear Matter Physics with35-45 GeV/u HI beams

High EM Field (HI)Fundamental Studies (HI & p)Applications (HI)

Five Areas of Research at FAIR

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Klaus Peters - Hadronphysics @ FAIR

SIS 100

SIS 12/18

SIS 300

SIS 300

High Energy operation SIS300

Highly Parallel Operation

SIS 300

Accelerator Chain

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Klaus Peters - Hadronphysics @ FAIR

Phase diagram of strongly interacting matter

• SPS, RHIC, LHC:high temperature, low baryon density

• SIS300:moderate temperature, high baryon density

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Klaus Peters - Hadronphysics @ FAIR

CBM Experiment - Objectives

• In-medium modifications of hadrons onset of chiral symmetry restoration at high ρB

measure: ρ, ω, ф e+e- and open charm (D mesons)

• Strangeness in matter (strange matter?)enhanced strangeness production ?measure: K, Λ, Σ, Ξ, Ω

• Indications for deconfinement at high ρB

anomalous charmonium suppression ?measure: J/ψ, D

• Critical point event-by-event fluctuations

• Color superconductivityprecursor effects ?

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Klaus Peters - Hadronphysics @ FAIR

CBM @ FAIR

• Radiation hard Silicon Tracking System(pixel/strip) in a magnetic dipole field

• Electron detectors: RICH & TRD & ECAL:pion suppression better 104

• Hadron identification: TOF-RPC

• Measurement of photons, π, η, and muons: electromagnetic calorimeter (ECAL)

• High speed data acquisition and trigger system

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Klaus Peters - Hadronphysics @ FAIR

QCD phases @

CBM

CBM (Phase B)EOI 2000LOI 2004TPR 2005TDRs 2009 - 2010Construction 2009 - 20151st Physics 2016Cost € 60 M

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Klaus Peters - Hadronphysics @ FAIR

The Fluxtube in a Meson

0.7 fm 1.0 fm 1.35 fm

strong interaction strength

Lattice QCD calculationsG. Bali, hep-lat/9409005

[qq] bound state

Rotation

Vibration

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Klaus Peters - Hadronphysics @ FAIR

The Potential – A Guide

SD LS SS TH V V V

2

( )3

2SV

LSc

dVdVL SV

m r dr dr

1 2 2

2

2( )

3SS Vc

S SV V r

m

2

2

2 2

ˆ ˆ2 3 112

V VT

c

S r S r S dV d VV

m r dr dr

spin-orbit(fine structure)

spin-spin(hyperfine structure)

tensor

VS and VV are the scalar and vector components of the non-relativistic potential

3

3.5

4

1 2

R/r0

V(R)/GeV

J/ψ

χc

ψ‘

Hcc

DD

Π

Σ

G. Bali et al., hep-lat/0003012

G. Bali, hep-ph/0412158

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Klaus Peters - Hadronphysics @ FAIR

X(3872) and Confirmation

hep-ex/0406022

9.4σ

11.6 σ

BABAR

Phys. Rev. Lett. 91(2003)262001152 Mill. BB

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Klaus Peters - Hadronphysics @ FAIR

Why Antiprotons for Heavy Flavour Spectroscopy

• high resolution spectroscopy with p-beams in formation experiments:ΔE ≈ ΔEbeam

3500 3520 MeV3510C

Ball

ev./

2 M

eV

100

ECM

• e+e- interactions:Only 1-- states are formedOther states only bysecondary decays moderate mass resolution

• pp reactions:All states directly formedvery good mass resolution

CBallE835

1000

E 8

35

ev./

pb

χc1

CBall, Edwards et al. PRL 48 (1982) 70

E835, Ambrogiani et al., PRD 62 (2000) 052002

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Klaus Peters - Hadronphysics @ FAIR

Why Antiprotons for Heavy Flavour Spectroscopy

• high resolution spectroscopy with p-beams in formation experiments:ΔE ≈ ΔEbeam Precision Frontier

• high yield of gluonic and radial excitations in pp glueballs, charmed hybrids Discovery Potential

• event tagging by pair wise associated production,(particle, anti-particle) e.g. ppDD

• large √s at low momentum transferimportant for in-medium "implantation" of hadrons:study of in-medium effects of charmed states

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Klaus Peters - Hadronphysics @ FAIR

Electromagnetic Reactions

e-

p

e-

p

γ

p

γ

p

p

p

e+

e-

p

p

γ

γ

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Klaus Peters - Hadronphysics @ FAIR

Crossed-Channel Compton Scattering

Cross section σ ≈ 2.5pb @ s ≈10 GeV2

L = 2·1032 cm-2 s-1→ 103 Events/Month

Electromagnetic Formfactor of the Proton (time-like)

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Klaus Peters - Hadronphysics @ FAIR

0 2 4 6 8 12 1510

p Momentum [GeV/c]

Mass [GeV/c2]

Two bodythresholds

Molecules

GluonicExcitations

qq Mesons

1 2 3 4 5 6

Hybrids

Hybrids+Recoil

Glueball

Glueball+Recoil

ΛΛΣΣΞΞ

ΛcΛc

ΣcΣc

ΞcΞc

ΩcΩcΩΩ DDDsDs

qqqq ccqq

nng,ssg ccg

ggg,gg

light qqπ,ρ,ηf2,K,K*

ccJ/ψ, ηc, χcJ

nng,ssg ccg

ggg

Accessible Charmed Hadrons at PANDA

Other exotics with identical decay channels same region

conventionalcharmonium

exoticcharmonium

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Klaus Peters - Hadronphysics @ FAIR

HESR – Storage Ring for Antiprotons

Parameters of HESR Injection of p at 3.7 GeV Slow synchrotron (1.5-14.5 GeV/c) Storage ring for internal target operation Luminosity up to L~ 2x1032 cm-2s-1

Beam cooling (stochastic & electron)

PANDA

ECM

Resonance scan Energy resolution ~50 keV Tune ECM to probe resonance Get precise mass and width

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Klaus Peters - Hadronphysics @ FAIR

PANDA

• High luminosity modeLuminosity = 2 x 1032 cm-2s-1

δp/p ~ 10-4 (stochastic cooling)

• High resolution modeδp/p ~ few 10-5 (+electron cooling)Luminosity > 1031 cm-2s-1

• Gas-Jet/Pellet/Wire Target

p

p

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Klaus Peters - Hadronphysics @ FAIR

p @

HESR

NESR

PANDA

FLAIR

PANDA (Phase A)EOI 1999LOI 2004TPR 2005TDRs 2009 - 2010Construction 2009 - 20131st Physics 2014Cost € 57 M

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Klaus Peters - Hadronphysics @ FAIR

First “cold” Anti-Hydrogen 2002 @ AD

ATHENA Nature 419 (2002) 456

ATRAP

Nested Penning trapscatch energy: some keV

Ultimate Resolution: neutral atom traps and laser cooling to milli-Kelvin temperatures - Long Term Project - FAIR

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Klaus Peters - Hadronphysics @ FAIR

FLAIR Physics Overview (Antiprotons)

• Spectroscopy as Test for CPT and QEDAntiprotonic atoms (p-He, p-p), anti-hydrogen

• Gravitation of anti-matterTrapped and laser-cooled anti-hydrogen

• Atomic CollisionsIonization, energy loss, anti-matter-matter

• Antiprotons as hadronic ProbesX-rays of light p-Atoms: Low energy QCDX-rays of neutron rich nuclei: nuclear structure (halo)Antineutron interactionStrangeness –2 production

• Medical application: Tumor therapy

High-brilliantLow energy beams

USR

DC beam,rare ions

Higher energies

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Klaus Peters - Hadronphysics @ FAIR

FLAIR – Facility for Low-energy Antiproton and Ion Research

• NESRp & Ions30 – 400 MeV

• LSR:Standard Ring< 300 keV

• USRElectrostatic< 20 keV

• HITRAPp & Ionsstopped & extracted @ 5 keV

CRYRING

Challenge! newMPI-K HD

In construction for ESR @ GSIwith Hall A

of CDR

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Klaus Peters - Hadronphysics @ FAIR

Thank You