CORDIS
EU research results

CORDIS

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Thorium nuclear clocks for fundamental tests of physics

Project information

Grant agreement ID: 856415

Status

Ongoing project

  • Start date

    1 February 2020

  • End date

    31 January 2026

Funded under:

H2020-EU.1.1.

  • Overall budget:

    € 13 789 990

  • EU contribution

    € 13 789 990

Hosted by:

TECHNISCHE UNIVERSITAET WIEN

Austria

Project description

English EN

The first thorium nuclear clock is a tick closer

The EU-funded ThoriumNuclearClock project will pioneer the development of the first nuclear clock, based on an energy transition in the nucleus of the thorium isotope Thorium-229. This promises to exceed the precision of today’s best atomic clocks (which make use of changes in the energy levels of atomic shell electrons) by up to an order of magnitude. The project will develop three prototype nuclear Thorium clocks using complementary approaches in trapped ions and solids and develop vacuum ultraviolet lasers to excite the thorium isotope. Comparing these clocks amongst each other and with state-of-the-art optical clocks will allow to benchmark the new frequency standard before ultimately applying it to test fundamental physics.

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Host institution

TECHNISCHE UNIVERSITAET WIEN

Address

Karlsplatz 13
1040 Wien

Austria

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 4 051 791,25

Beneficiaries (5)

TECHNISCHE UNIVERSITAET WIEN

Austria

EU Contribution

€ 4 051 791,25

UNIVERSITY OF DELAWARE

United States

EU Contribution

€ 1 554 370

PHYSIKALISCH-TECHNISCHE BUNDESANSTALT

Germany

EU Contribution

€ 2 233 906,25

LUDWIG-MAXIMILIANS-UNIVERSITAET MUENCHEN

Germany

EU Contribution

€ 5 739 635

MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV

Germany

EU Contribution

€ 210 287,50

Project information

Grant agreement ID: 856415

Status

Ongoing project

  • Start date

    1 February 2020

  • End date

    31 January 2026

Funded under:

H2020-EU.1.1.

  • Overall budget:

    € 13 789 990

  • EU contribution

    € 13 789 990

Hosted by:

TECHNISCHE UNIVERSITAET WIEN

Austria