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Shape Evolution

Investigation of shape evolution in neutron-rich nuclei using gamma-ray spectroscopy techniques

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

Shape Evolution project word cloud

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

interaction models she facilities responsible efficient mass physics regions unstable predicted though advent theoretical region evolution nuclear shell prompted model stability experimental single expertise thorough proposes protons driving particle detection structure training data dramatic neutrons stringent moments surprising static lifetime spectroscopy exotic changing community complete interactions ones communicating public 100 fission innovative forces quantum ray gamma beam deformation neutron ion shape 110 modifications revealed opportunity away extremely instrumentation complementing valley residual techniques quadrupole experiment researcher acquire fusion nucleus orbitals coulomb scientific nuclei radioactive experiments beams excitation

Project "Shape Evolution" data sheet

The following table provides information about the project.

Coordinator	COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES Organization address address: RUE LEBLANC 25 city: PARIS 15 postcode: 75015 website: www.cea.fr 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	France [FR]
Project website	http://irfu.cea.fr/dphn/en/Phocea/Vie_des_labos/Ast/ast_visu.php
Total cost	185˙076 €
EC max contribution	185˙076 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2015
Funding Scheme	MSCA-IF-EF-ST
Starting year	2016
Duration (year-month-day)	from 2016-10-03 to 2018-10-02

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES Organization address address: RUE LEBLANC 25 city: PARIS 15 postcode: 75015 website: www.cea.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	FR (PARIS 15)	coordinator	185˙076.00

Map

Project objective

In the past 100 years, various theoretical approaches have been proposed to model the complex strong interaction between the neutrons and protons in a nucleus, however, a thorough understanding of its quantum structure is still far from being complete. Studies of the evolution of nuclear structure in mass regions away from the valley of stability have revealed dramatic modifications of the ordering of single-particle orbitals in exotic nuclei as compared to the ones predicted by the Shell Model. These surprising results have prompted the need for a detailed study of exotic nuclear systems in order to identify the driving forces behind them. The experimental study of these highly unstable exotic nuclear systems is extremely challenging and have become possible only recently due to the advent of radioactive ion beam facilities and highly efficient detection systems. This research project proposes to study neutron rich exotic nuclei in mass A~100-110 region though gamma-ray spectroscopy using fusion-fission and Coulomb excitation experiments. The experiments will measure the lifetime and static quadrupole moments in these nuclei, which will allow a determination of the shape and deformation of the nucleus. The results of these measurements will allow for a stringent test of various nuclear structure models. A study of shape evolution in these nuclei may also help in understanding the residual interactions responsible for changing shell structure in neutron rich nuclei. The experienced researcher will acquire new knowledge and training in nuclear structure physics and in innovative instrumentation, complementing her current expertise. She will learn about various aspects of experiment with radioactive ion beams and new data analysis techniques. She will also get the opportunity to improve her abilities in communicating scientific information to the scientific community as well as to the wider public.

Publications

List of publications.
year	authors and title	journal	last update
2018	Purnima Singh, W. Korten, T.â€‰W. Hagen, A. GÃ¶rgen, L. Grente, M.-D. Salsac, F. Farget, E. ClÃ©ment, G. de France, T. Braunroth, B. Bruyneel, I. Celikovic, O. Delaune, A. Dewald, A. Dijon, J.-P. Delaroche, M. Girod, M. Hackstein, B. Jacquot, J. Libert, J. Litzinger, J. Ljungvall, C. Louchart, A. Gottardo, C. Michelagnoli, C. MÃ¼ller-Gatermann, D.â€‰R. Napoli, T. Otsuka, N. Pillet, F. Recchia, W. Rother, E. Sahin, S. Siem, B. Sulignano, T. Togashi, Y. Tsunoda, Ch. Theisen, J.â€‰J. Valiente-Dobon Evidence for Coexisting Shapes through Lifetime Measurements in Zr 98 published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.121.192501	Physical Review Letters 121/19	2019-05-25

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