Fusion cross section measurements of astrophysical interest for light heavy ions systems within the STELLA project

Guillaume Fruet; Sandrine Courtin; David G. Jenkins; Marcel Heine; Daniele Montanari; Luke G. Morris; Philip Adsley; Christian Beck; Serge Della Negra; Florent Haas; Fairouz Hammache; Oliver S. Kirsebom; Anne Meyer; Patrick H. Regan; Matthias Rudiger; Nicolas de Séréville; Christelle Stodel

doi:10.1051/epjconf/201716300018

All issues

Volume 163 (2017)

EPJ Web Conf., 163 (2017) 00018

Abstract

Open Access

Issue		EPJ Web Conf. Volume 163, 2017 FUSION17


Article Number		00018
Number of page(s)		5
DOI		https://doi.org/10.1051/epjconf/201716300018
Published online		22 November 2017

E3S Web of Conferences 163, 00018 (2017)
https://doi.org/10.1051/epjconf/201716300018

Fusion cross section measurements of astrophysical interest for light heavy ions systems within the STELLA project

Guillaume Fruet¹^*, Sandrine Courtin¹^,2, David G. Jenkins³, Marcel Heine¹, Daniele Montanari¹^,2, Luke G. Morris³, Philip Adsley³^,4, Christian Beck¹, Serge Della Negra⁴, Florent Haas¹, Fairouz Hammache⁴, Oliver S. Kirsebom⁵, Anne Meyer⁴, Patrick H. Regan⁶^,7, Matthias Rudiger⁶, Nicolas de Séréville⁴ and Christelle Stodel⁸

¹ Université de Strasbourg, CNRS, IPHC UMR 7178, F-67000 Strasbourg, France
² USIAS, Université de Strasbourg, F-67000 Strasbourg, France
³ Department of Physics, University of York, YO10 5DD York, United Kingdom
⁴ Institut de Physique Nucléaire d’Orsay, UMR8608, CNRS/IN2P3, Université Paris-Sud 11, F-91406 Orsay, France
⁵ Department of Physics and Astronomy, Aarhus University, DK-8000 Århus C, Denmark
⁶ Department of Physics, University of Surrey, GU2 7XH Guildford, United Kingdom
⁷ AIR Division, National Physical Laboratory, TW11 0LW Teddington, United Kingdom
⁸ Grand Accélérateur National d’Ions Lourds, CNRS/IN2P3, F-14076 Caen, France

^* e-mail: guillaume.fruet@iphc.cnrs.fr

Published online: 22 November 2017

Abstract

This contribution is focused on the STELLA project (STELlar LAboratory), which aims at the measurement of fusion cross sections between light heavy ions like ¹²C+¹²C, ¹²C+¹⁶O or ¹⁶O+¹⁶O at deep subbarrier energies. The gamma-particle coincidence technique is used in order to reduce background contributions that become dominant for measurements in the nanobarn regime.

The experimental setup composed of an ultra high vacuum reaction chamber, a set of 3 silicon strip detectors, up to 36 LaBr₃(Ce) scintillators from the UK FATIMA collaboration, and a fast rotating target system will be described. The ¹²C+¹²C fusion reaction has been studied from E_lab = 11 to 5.6 MeV using STELLA at the Andromède facility in Orsay, France. Preliminary commissioning results are presented in this article.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).

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