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Technical Proposal for the SPIRAL 2 instrumentation 5 January 2009
Technical Proposal for SPIRAL2 instrumentation
TITLE of the Project:
DESIR: the SPIRAL2 low-energy beam facility
The DESIR collaboration proposes the construction of an experimental facility to exploit as
soon as in 2013 the low-energy beams from SPIRAL1, SPIRAL2 and S3.
The high degree of purity required to push experiments towards the limits of stability will
be achieved by the implementation in the SPIRAL2 production building of a high-efficiency
RFQ cooler and buncher coupled to a high-resolution mass separator. Beams from the low-
energy branch of S
and from SPIRAL1 will allow to perform complementary studies of
refractory elements produced by means of fusion reaction as well as of light and intense
exotic beams, respectively.
The present technical proposal describes the instruments needed to investigate the physics
cases developed in the Letter of Intent submitted to the SPIRAL2 SAC in October 2006:
nuclear physics as well as fundamental weak-interaction physics and astrophysics questions
will be addressed using laser spectroscopy techniques, decay spectroscopy of radioactive
species, mass spectrometry and other trap-assisted measurements.
We present a preliminary design study, a description of the operating mode of the DESIR
facility and information relative to the organization of the collaboration.
Bertram Blank, CEN Bordeaux-Gradignan E-mail: [email protected]
Tel: +33 (0)5 57 12 08 51
Fax: +33 (0)5 57 12 08 01
Contact person at GANIL:
Jean-Charles Thomas, GANIL E-mail: tho[email protected]
Tel: +33 (0)2 31 45 46 34
Fax: +33 (0)2 31 45 44 21
Members of the Collaboration:
94 scientists signed the DESIR Letter of Intent. They belonged to 33 different institutes
distributed over 13 countries. For the present technical proposal, a new list of collaborators
has been established of people who contributed to the writing of the proposal or at least
strongly support the DESIR facility.
111 scientists and engineers co-sign the present technical report. They belong to 35
different institutes distributed over 15 countries (see Fig. 1). The collaboration list is
displayed below:
Technical Proposal for SPIRAL2 Instrumentation
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