HAL : in2p3-00384235, version 1

DOI : 10.1140/epja/i2009-10787-4

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The Fifth International Conference on Exotic Nuclei and Atomic Masses ENAM'08, Ryn : Pologne (2008)

Neutron correlations in 6He viewed through nuclear break-up

M. Assié1, J.A. Scarpaci1, D. Lacroix2, J.C. Angélique3, D. Bazin4, D. Beaumel1, Y. Blumenfeld1, W.N. Catford5, M. Chabot1, A. Chatterjee6, M. Fallot7, H. Iwasaki1, F. Maréchal1, D. Mengoni8, C. Monrozeau1, J. Nyberg9, C. Petrache1, F. Skaza1, T. Tuna1

(2009)

The nuclear break-up of 6He on a 208Pb target was studied at 20AMeV using a secondary beam of 6He produced by the SPIRAL facility at GANIL. α-particles were detected in coincidence with two neutrons with a large angular coverage and the reaction mechanism was identified. From the distribution of the relative angles between the two neutrons the correlation function was extracted. It shows a strong correlation at small relative angles attributed to the contribution of the di-neutron configuration of 6He.

1 :	IPNO - Institut de Physique Nucléaire d'Orsay
2 :	GANIL - Grand Accélérateur National d'Ions Lourds
3 :	LPCC - Laboratoire de Physique Corpusculaire de Caen
4 :	National Superconducting Cyclotron Laboratory
5 :	Scholl of Electronics and Physical Sciences
6 :	Nuclear Physics Division
7 :	SUBATECH - Laboratoire SUBATECH Nantes
8 :	Dipartimento di Fisica
9 :	Department of Physics and Astronomy

Thème(s)

:

Physique/Physique Nucléaire Expérimentale

Mot(s)-clé(s) : Direct reactions – Nuclear reaction involving few-nucleons systems – Nuclear reaction models and methods – Break up and momentum distributions

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Contributeur : Michel Lion <>

Soumis le : Jeudi 14 Mai 2009, 16:30:39

Dernière modification le : Lundi 11 Janvier 2010, 10:44:52