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MIRACLS SIGNED

Multi Ion Reflection Apparatus for Collinear Laser Spectroscopy of radionuclides

Total Cost €

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EC-Contrib. €

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Partnership

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 MIRACLS project word cloud

Explore the words cloud of the MIRACLS project. It provides you a very rough idea of what is the project "MIRACLS" about.

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Project "MIRACLS" data sheet

The following table provides information about the project.

Coordinator
EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH 

Organization address
address: ESPLANADE DES PARTICULES 1 PARCELLE 11482 DE MEYRIN BATIMENT CADASTRAL 1046
city: GENEVA 23
postcode: 1211
website: www.cern.ch

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Switzerland [CH]
 Total cost 1˙463˙750 €
 EC max contribution 1˙463˙750 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-STG
 Funding Scheme ERC-STG
 Starting year 2017
 Duration (year-month-day) from 2017-01-01   to  2021-12-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH CH (GENEVA 23) coordinator 1˙463˙750.00

Map

 Project objective

Employing laser spectroscopy (LS) to study radionuclides is equally rich in its long tradition as it is manifold in its active pursuit today as virtually all radioactive ion beam (RIB) facilities do or are planning to host dedicated setups. Probing the hyperfine structure of an atom or ion with laser light is a powerful technique to infer nuclear properties such as a nuclide’s spin, charge radius, or electromagnetic moments. This information provides insight into a wide range of contemporary questions in nuclear physics such as the mechanism driving the emergence and disappearance of nuclear shells far away from stability. In the last decade, LS has benefited from the advent of ion traps in rare isotope science. The bunched beams released from these traps have led to an increase in sensitivity by several orders of magnitude due to an improved signal-to-background ratio when gating on the passing ion bunch. This present proposal is determined to introduce another type of ion trap, an Electrostatic Ion Beam Trap, which has the potential to enhance the sensitivity of collinear LS by another factor of 20-800. This is achieved by increasing the laser-interaction and observation time by trapping the ion bunch between two electrostatic mirrors while keeping its beam energy at 30 keV to minimize Doppler broadening. Such a device promises to extend collinear LS to nuclides so far out of reach given their low yields of typically <1000 ions/s at RIB facilities. Among the accessible nuclides are 34Mg in the island of inversion, 20Mg at the neutron shell closure N=8, or Sn isotopes towards the doubly magic 100Sn. Their charge radii will benchmark modern theoretical models utilizing 3-body forces in their quest to understand the evolution of nuclear shells. Ultimately, the setup can be further enhanced in sensitivity when combined with other single-particle detection methods or by utilizing its multi-reflection time-of-flight aspect to suppress disturbing isobaric contamination.

 Publications

year authors and title journal last update
List of publications.
2019 Simon Lechner, Paul Fischer, Hanne Heylen, Varvara Lagaki, Franziska Maier, Peter Plattner, Marco Rosenbusch, Simon Sels, Frank Wienholtz, Robert N. Wolf, Wilfried Nörtershäuser, Lutz Schweikhard, Stephan Malbrunot-Ettenauer
Fluorescence detection as a new diagnostics tool for electrostatic ion beam traps
published pages: , ISSN: 0304-3843, DOI: 10.1007/s10751-019-1628-1
Hyperfine Interactions 240/1 2019-10-07
2019 F. M. Maier, P. Fischer, H. Heylen, V. Lagaki, S. Lechner, P. Plattner, S. Sels, F. Wienholtz, W. Nörtershäuser, L. Schweikhard, S. Malbrunot-Ettenauer
Simulations of a proof-of-principle experiment for collinear laser spectroscopy within a multi-reflection time-of-flight device
published pages: , ISSN: 0304-3843, DOI: 10.1007/s10751-019-1575-x
Hyperfine Interactions 240/1 2019-10-07
2019 S. Sels, P. Fischer, H. Heylen, V. Lagaki, S. Lechner, F.M. Maier, P. Plattner, M. Rosenbusch, F. Wienholtz, R.N. Wolf, W. Nörtershäuser, L. Schweikhard, S. Malbrunot-Ettenauer
First steps in the development of the Multi Ion Reflection Apparatus for Collinear Laser Spectroscopy
published pages: , ISSN: 0168-583X, DOI: 10.1016/j.nimb.2019.04.076
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 2019-10-07

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