MINOS

May 30, 2023

Mapping the configuration of neutrons in the nuclear halo

The final piece of a longstanding adventure started in 2014 with an experiment led by Irfu and RIKEN Nishina Center has been set with the publication of a paper containing the comparative study of dineutron correlation in 11Li, 14Be and 17B [1]. This paper published in Phys. Lett. B completes a series of publications on the topic [2,3] issued from the same experiment using the MINOS device designed and built at Irfu. It suggests that such kind of correlations is a universal feature of Borromean halo nuclei.

May 22, 2019

New Cross-Section Measurements Reveal Surprising Importance of Pairing

Pairing is ubiquitous in physics. From superconductivity to quantum shell structure, coupling particles into pairs is one of nature's preferred ways to lower the energy of a system. New results obtained at the Radioactive Isotope Beam Factory (RIBF, Japan) with the MINOS device, which was conceived and constructed at Irfu, show for the first time that pairing also plays an important role in single-proton removal reactions from neutron-rich nuclei.

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New Cross-Section Measurements Reveal Surprising Importance of Pairing

May 02, 2019

The exotic 78Ni joins the closed club of the few doubly-magic nuclei

An international collaboration led by the institutes of CEA-IRFU and of RIKEN (Japan) demonstrates, for the first time, the exceptional stability of the very-neutron rich nickel-78 nucleus and its doubly-magic character. The experiment at RIKEN was made possible by the unique combination of the MINOS device developed at CEA-Irfu and the very exotic beams produced by the RIBF facility of the Japanese accelerator.These results are published in Nature [Nat19].

Jun 14, 2017

Competing shapes in the neutron-rich Krypton isotopes

An international team has performed the first spectroscopy of the very neutron-rich isotopes 98,100 Kr. The collaboration, led by scientists from the CEA Irfu and RIKEN (Japan) included several European groups and physicists from IPN-Orsay. This experiment showed that there are two coexisting quantum configurations at low excitation energy in the 98Kr nucleus.

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Competing shapes in the neutron-rich Krypton isotopes

Nov 02, 2015

Exploring the most exotic nuclei with MINOS

The "exotic" nuclei pose the challenge of a universal description of the nuclear structure and raise the question of the evolution of the shell structure. An IRFU team has developed the Magic Number Off Stability (MINOS) project to answer these questions.

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Division of Electronics, Detectors and Computing for Physics (DEDIP)

Institute of Research into the Fundamental Laws of the Universe