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The Future International Project at GSI - FAIR - F acility for A ntiproton and I on R esearch Walter F. Henning / GSI Darmstadt CARE-HHH-APD, November 2004, CERN. GSI Darmstadt. Introduction Brief Description of FAIR Accelerator Issues Research Goals Summary and Outlook.

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The future international project at gsi fair f acility for a ntiproton and i on r esearch

The Future International Project at GSI -

FAIR - Facility for Antiproton and Ion Research

Walter F. Henning / GSI Darmstadt

CARE-HHH-APD, November 2004, CERN


The future international project at gsi fair f acility for a ntiproton and i on r esearch

GSI Darmstadt

Introduction

Brief Description of FAIR

Accelerator Issues

Research Goals

Summary and Outlook

Member of the Helmholtz Association


Other presentations related to fair

G. FranchettiSpace charge and optics studies for the GSI complexSession 2

P. SpillerSIS100/300 and high-energy beam transport at FAIR Session 5

G. Moritz Fast pulsed superconducting magnets for SIS and super SPS Session 5

G. Rumolo Intensity limitations by combined and/or Session 6

unconventional impedance sources

Other Presentations Related to FAIR


The future international facility at gsi fair f acility for a ntiproton and i on r esearch

SIS 100/300

SIS

UNILAC

FRS

ESR

HESR

Super

FRS

CR

NESR

RESR

The Future International Facility at GSI:FAIR - Facility for Antiproton and Ion Research

Existing

Future Project

100 m


The future international facility at gsi fair f acility for a ntiproton and i on r esearch1

SIS 100/300

SIS

UNILAC

FRS

ESR

HESR

Super

FRS

CR

NESR

RESR

The Future International Facility at GSI:FAIR - Facility for Antiproton and Ion Research

Existing

Future Project

Beams in the future:

Intensity:100 – 1000 fold

Species: Z = -1 – 92

(anti-protons to uranium)

Energies: up to 35 - 45 GeV/u

Precision: beam cooling

Beams now:

Z = 1 – 92

(protons to uranium)

up to 2 GeV/nucleon

Beam cooling

100 m


The future international project at gsi fair f acility for a ntiproton and i on r esearch

Present GSI Accelerators

Heavy Ion Synchrotron

SIS18 (2 GeV/u for A/q=2)

Heavy Ion Linac

UNILAC (<20 MeV/u)

3 Ionsources

2 injectors

Fragment Separator

FRS

ExperimentalStorage Ring

ESR


The future international project at gsi fair f acility for a ntiproton and i on r esearch

1GeV/u U + H

Production of exotic nuclear beams by fragmentation

advantage:

shortlived isotopes

(T1/2< ms) accessible

About 1000 nuclear residues identified

A/Z-resolution ~10-3


The future international project at gsi fair f acility for a ntiproton and i on r esearch

electron collector

electron gun

electron collector

electron gun

high voltage platform

high voltage platform

magnetic field

electron beam

electron beam

magnetic field

ion beam

ion beam

Electron-Beam Cooling of Energetic Ion Beams

G.I. Budker, At. En. 22 (1967) 346

G.I. Budker, A.N. Skrinsky et al.,

IEEE NS-22 (1975) 2093


Schottky frequency spectrum

Schottky Frequency Spectrum


The future international project at gsi fair f acility for a ntiproton and i on r esearch

electron collector

electron gun

before cooling

after cooling

high voltage platform

ion intensity

magnetic field

electron beam

1.03

0.97

1

ion beam

rel. ion velocity v/v0

Storage Rings: Cooled Ion Beams

Scheidenberger et al.

  • Electron-Cooled Ion Beams:

  • highest phase space density

  • highest momentum resolution

  • smallest beam diameter

  • increased (collider) luminosity

  • sensitivity to low intensity

  • restoration of beam-target effects

  • precision mass measurements


The future international project at gsi fair f acility for a ntiproton and i on r esearch

Key Technical Features

  • Cooled beams

  • Rapidly cycling superconducting magnets

FAIR: Facility Characteristics

Primary Beams

  • 1012/s; 1.5-2 GeV/u; 238U28+

  • Factor 100-1000 over present in intensity

  • 2(4)x1013/s 30 GeV protons

  • 1010/s 238U73+ up to 35 GeV/u

  • (up to 90 GeV protons)

SIS 100/300

SIS

UNILAC

FRS

ESR

Secondary Beams

Production

Targets

  • Broad range of radioactive beams up to 1.5 - 2 GeV/u; up to factor 10 000 in

  • intensity over present

  • Antiprotons 3 - 30 GeV

HESR

Super

FRS

CR

Storage and Cooler Rings

NESR

RESR

  • Radioactive beams

  • e – A collider

  • 1011 stored and cooled 0.8 - 14.5 GeV antiprotons


Accelerator physics and technology for fair main r d challenges

Accelerator Physics and Technology for FAIRMain R&D challenges

High gradient,

low frequency

RF cavities

Novel lattice/collimation

design: Beam optics studies

Superconducting, fast ramping

synchrotron magnets

control of stripping losses

SIS 100 dipole magnet

CR compressor cavity

Control of collective effects:

Large scale simulation studies

Ultra high vacuum

for intense beams

Fast stochastic and

electron cooling

Working

point

diagram:

Stability

of intense

beams

Desorption test-stand

HESR

e-cooler


Sis 100 300 low loss design or how accurate do we need to simulate

SIS 100/300: Low loss designOr: how accurate do we need to simulate ?

SIS 100/300 average (peak) power:

(Uncontrolled !)

beam loss budget:

1012/s 1.0 GeV/u U28+: 40 kW (1 TW)

Quenching/Lifetime

of SC magnets:

tolerable beam loss

in the SC magnets: < 1 %

Beam loss induced

outgassing:

Dynamic pressure below

5x1012 mbar requires < 1 %

Structure activation:

Hands-on maintenance

requires losses < 1 %

SIS 100/300

SIS 18

SIS 18 average power (2004/2005):

1010/s 1 GeV/u U73+: 0.4 kW


Experimental setup for ion beam induced desorption yield measurements at gsi

SIP

ion gauge

collimator

ion gauge

RGA

from

accelerator

conductance

TSP

sector valve

TMP

TMP

sample holder

current

transformer

Experimental Setup for Ion Beam Induced Desorption Yield Measurements at GSI

Since 2003: Systematic studies:

4 experiments on over 20 different targets.

Experiments by: M. Bender, H. Kollmus, A. Krämer (GSI), E. Mahner (CERN)


Dynamic vacuum and desorption processes

Dynamic Vacuum and Desorption Processes

P. Spiller, December 2001

8.75 MeV/u U28+

F50 Volt

space charge

potential

septum or

collimator

vacuum chamber wall

X

X

X

hloss

X

U28+

q e

U28+

U28+

X

sX

sloss

X

X

X

Xq+

U(28+q)

hX

hloss

beam loss induced

desorption

hloss ≈ 104

ion induced

desorption

hx ≈ 1-10

Beam losses increase with number of injected ions (shorter beam life time due to stronger pressure bumps)


Hesr beam dynamics issues low momentum spread high luminosity

HESR: Beam Dynamics IssuesLow momentum spread + high luminosity ?

Electron cooler:

1 A, 8 MeV e-beam

30 m cooling section

0.5 T magnetic Field

Internal Target:

H2 (=0.08 g/cm3)

70000 pellets/s

d=1 mm

<ntarget> = 5x1015 cm-2

INTAS Project (April 2004):

‘Advanced beam dynamics for

storage rings’

FZJ,GSI,ITEP,JINR,Kiev,TSL

1-15 GeV

Nmax=1012

<L>=2x1032 cm-2s-1

E=100 keV (p/p=10-5)

  • computer modeling

  • of the interplay of:

  • intrabeam scattering

  • target interaction

  • electron cooling

  • rf fields (barrier,..)

  • impedances/feedback

  • dynamic aperture

  • trapped particles

HESR

Long-term phenomena (> 1 s) !


Antiproton electron cooling in the hesr magnetized cooling

Antiproton Electron Cooling in the HESRMagnetized (!) cooling

Feasibility study of fast (‘seconds’) electron cooling for

the HESR, Budker Institute, Novosibirsk, RUS

HESR Electron Cooler

High voltage

(8 MV) tank

Simulation of cooling dynamics:

12 m

H- Cyclotron

HESR

ESR Cooler:

3 m, 300 kV

Solenoid field

1 A electron beam

30 m


The future international project at gsi fair f acility for a ntiproton and i on r esearch

RHIC type dipole magnet:

B=4T 6T, dB/dt=1T/s

Nuclotron dipole magnet:

B=2T, dB/dt=4T/s

New SIS 100/300 Synchrotron

Booster and compressor

Stretcher and high energy ring

Two synchrotrons in one tunnel

(1080 m circumference)

SIS 300

R&D programm in rapidly cycling

superconducting magnets


The future international project at gsi fair f acility for a ntiproton and i on r esearch

R&D in Superconducting Magnet Technology

SIS200/300 cos q magnet


The future international project at gsi fair f acility for a ntiproton and i on r esearch

SIS

UNILAC

FRS

ESR

HESR

Super

FRS

CR

NESR

RESR

The FAIR Project

SIS 100

SIS 300

GSI today

SIS18 Upgrade

Beamlines

CBM

Antiproton Production Target

Plasma Phys.

Atom.Phys.

PANDA

El.Cooler

High En.

Expt.

Low En. Expt.

FLAIR

NESR Expts


The future international project at gsi fair f acility for a ntiproton and i on r esearch

SIS

UNILAC

FRS

ESR

HESR

Super

FRS

CR

NESR

RESR

The FAIR Project

SIS 100

SIS 300

  • Nuclear Structure Physics and

  • Nuclear Astrophysics with

  • Radioactive Ion-Beams

  • Hadron Physics with Antiprotons

  • Physics of Nuclear Matter with

  • Relativistic Nuclear Collisions

  • Physics of Dense Plasmas with Highly

  • Bunched Laser and Ion Beams

  • Atomic Physics, Fundamental

  • Symmetries and Applied Sciences

  • Accelerator Physics

GSI today

SIS18 Upgrade

Beamlines

CBM

Antiproton Production Target

Plasma Phys.

Atom.Phys.

PANDA

El.Cooler

High En.

Expt.

Low En. Expt.

FLAIR

NESR Expts


The future international project at gsi fair f acility for a ntiproton and i on r esearch

Radioactive

Beams

Plasma

Physics

100 Tm Ring

300 Tm Ring

Collector & Storage Ring

High-Energy Storage Ring

Nucleus-Nucleus

100 sec

Antiprotons

Parallel Operation

SIS 300

Duty-Cycles of the Accelerator Rings

Duty-Cycles of the Physics Programs

Radioactive Beams

Nucleus-Nucleus

Collisions

Antiprotons

Plasma-Physics

0% 50% 100%


The future international project at gsi fair f acility for a ntiproton and i on r esearch

Structure and Dynamics of Nuclei – Radioactive Beams at FAIR

  • Superheavy elements

  • Shell stabilization

  • Long-lived nuclei

  • Proton-rich nuclei

  • Proton radioactivity

  • Proton - neutron pairing

  • Isospin symmetry

  • Tests of standard model and symmetries

  • Nucleosynthesis

  • Neutron-rich nuclei

  • Neutron drip line

  • Shell quenching

  • Skins and halos

  • Loosley bound systems

  • Soft collective modes

  • Nucleosynthesis


The future international project at gsi fair f acility for a ntiproton and i on r esearch

Accreting white dwarf

Elements in our solar system

Nova Cygni 1992

Proton number Z

Sun

Neutron number N

Nuclear Physics in the Universe


The future international project at gsi fair f acility for a ntiproton and i on r esearch

glueballs (ggg) hybrids (ccg)

J/ spectroscopy confinement

hidden and open charm in nuclei

fundamental symmetries:

antiprotons in traps (FLAIR)

strange and charmed baryons in nuclear fields

inverted deeply virtual Compton scattering

CP-violation (D/ - sector)

Physics program at the High Energy Antiproton Storage Ring (HESR)

New proposals: ASSIA, PAX (pol. target; pol. p – beams)


The future international project at gsi fair f acility for a ntiproton and i on r esearch

e+e- interactions: only 1-- states formed other states populated in secondary decays (moderate mass resolution)

production of 1,2

formation of 1,2

pp reactions: all states directly formed (very good mass resolution)

comparison e+e- versus pp

Crystall Ball

E 760 (Fermilab)

sm (beam) = 0.5 MeV


The future international project at gsi fair f acility for a ntiproton and i on r esearch

Nuclear Matter and the Quark-Gluon Plasma –

Relativistic Nuclear Beams at FAIR

QCD- Phase Diagram

study of compressed baryonic / strange matter in nucleus-nucleus

collisions up to laboratory

energies of 35 AGeV

important probe: dilepton pairs


The future international project at gsi fair f acility for a ntiproton and i on r esearch

SIS 100/300

AGS

SIS

CERN SPS

optimum production of

baryons with strange quarks

maximum compression

in heavy-ion collisions

threshold for

antiprotons

threshold for

strange quarks

threshold for

charm quarks

1 10 100

NN Collisions at 2-40 AGeV

Rel.production of strange quarks (red curve)

nuclear matter density (blue curve)

ion energy [AGeV]


The future international project at gsi fair f acility for a ntiproton and i on r esearch

Magnetic Fusion

Inertial

Cofinement

Fusion

Temperature [eV]

Sun Core

PHELIX

Laser

Heating

Ideal plasmas

Strongly coupled

plasmas

Ion Beam

Heating

Jupiter

SIS 18

solid state

density

Sun Surface

Density [cm-3]

High Power Density in Matter – Physics of Dense Plasma

SIS 100


The future international project at gsi fair f acility for a ntiproton and i on r esearch

Atomic Physics

2. Extreme Dynamic Fields

U92+

b ~ 106 fm

t  0.1 as

I  1021 W/cm2

0 87 94 97 98

Percent of Light Velocity

 MHz


The future international project at gsi fair f acility for a ntiproton and i on r esearch

COSTS (CDR Year-2000 Euros)

Building and infrastructure:225 Mio. €

Accelerator:265 Mio. €

Experimental stations / detectors: 185 Mio. €

Total:675 Mio. €

Users interest

SCHEDULE

Users, Costs and Schedules

Estimates from July 2001


The future international project at gsi fair f acility for a ntiproton and i on r esearch

Cost Profile for Stages 1 - 2 - 3


The future international project at gsi fair f acility for a ntiproton and i on r esearch

...a FAIR Perspective...


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