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MATS. TOF. n. n. c. Q. Preparation. Precision. Time-of-flight. RFQ. EBIT. Mass Analyzer. Penning trap. Penning trap. detector. Precision M easurements of Very-Short Lived Nuclei Using an A dvances T rapping S ystem for Highly-Charged Ions. Ion production. FRS Low.

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MATS

TOF

n

n

c

Q

Preparation

Precision

Time-of-flight

RFQ

EBIT

Mass Analyzer

Penning trap

Penning trap

detector

Precision Measurements

of Very-Short Lived Nuclei

Using an Advances Trapping System

for Highly-Charged Ions

Ion production

FRS Low

Energy Branch

Beam bunching

q / A - selection

Cooling process

Mass measurement

Detection

Charge breeding


MATS – Ion Trapping:

  • effective use of rare species

  • extended observation & interaction time

  • high quality q/m selection

  • manipulation of charged particles at low E

    • accumulation & bunching

    • charge breeding

    • polarization

EFFICIENCY

ACCURACY

SENSITIVITY

Mass measurements and

trap assisted nuclear spectroscopy


Setup
Setup

  • Detectors:

  • FT-ICR

  • TOF-ICR

  • Si(Li) electron

3.0m

Precision trap:

mass measure-

ments

Cooler trap:

beam preparation

spectroscopy

Magn. deflector:

q/m separation

3.0m

EBIT:

charge breeding


Mats experiments with exotic nuclei
MATS – Experiments with Exotic Nuclei

  • Detectors:

  • FT-ICR

  • TOF-ICR

  • Si(Li) electron

T1/2 ...

Mass

3.0m

Precision trap:

mass measure-

ments

Laser Spectroscopy

Cooler trap:

beam preparation

& spectroscopy

Magn. deflector:

q/m separation

3.0m

EBIT:

charge breeding

X- ray Spectroscopy

In-Trap Spectroscopy


Summary
Summary

Preparation

Precision

RFQ

EBIT

Mass Analyzer

Penning trap

Penning trap

Design parameters:

Overall efficiency 1-5%

Maximum resolving power 108

Accessable half-life 10 ms

Relative mass uncertainty 10-9

Organisation and responsibilities

Mainz, Greifswald, Jyväskylä, Stockholm: Penning trap system

GSI, Munich, Huelva: RFQ cooler and buncher

Heidelberg, GSI, Livermore, Seattle: EBIT

Giessen, Mainz, Orsay: Detection system and electronics

Mainz, Munich: Trap assisted spectroscopy

MOU prepared – to be signed

Simulations ongoing

MATS will be an advanced trapping system for mass spectrometry, laser

spectroscopy, and in-trap decay spectroscopy with highly-charged, short-lived ions.


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