TIARA: A large solid angle silicon array for direct reaction studies with radioactive beams

M. Labiche, W. N. Catford, R. C. Lemmon, C. N. Timis, R. Chapman, N. A. Orr, B. Fernández-Domínguez, G. Moores, N. L. Achouri, N. Amzal, S. Appleton, N. I. Ashwood, T. D. Baldwin, M. Burns, L. Caballero, J. Cacitti, J. M. Casadjian, M. Chartier, N. Curtis, K. FaizG. de France, M. Freer, J. M. Gautier, W. Gelletly, G. Iltis, B. Lecornu, X. Liang, C. Marry, Y. Merrer, L. Olivier, S. D. Pain, V. F.E. Pucknell, B. Raine, M. Rejmund, B. Rubio, F. Saillant, H. Savajols, O. Sorlin, K. Spohr, Ch Theisen, G. Voltolini, D. D. Warner

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

A compact, quasi-4 π position sensitive silicon array, TIARA, designed to study direct reactions induced by radioactive beams in inverse kinematics is described here. The Transfer and Inelastic All-angle Reaction Array (TIARA) consists of 8 resistive charge division detectors forming an octagonal barrel around the target and a set of double-sided silicon-strip annular detectors positioned at each end of the barrel. The detector was coupled to the γ -ray array EXOGAM and the spectrometer VAMOS at the GANIL Laboratory to demonstrate the potential of such an apparatus with radioactive beams. The 14N (d, p) 15N reaction, well known in direct kinematics, has been carried out in inverse kinematics for that purpose. The observation of the 15N ground state and excited states at 7.16 and 7.86 MeV is presented here as well as the comparison of the measured proton angular distributions with DWBA calculations. Transferred l-values are in very good agreement with both theoretical calculations and previous experimental results obtained in direct kinematics.

Original languageEnglish
Pages (from-to)439-448
Number of pages10
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume614
Issue number3
DOIs
StatePublished - Mar 11 2010
Externally publishedYes

Funding

The collaboration wishes to thank the GANIL cyclotron operations crew for delivering the beam. Partial support from the European Union under Contract no. 506065 and from the Spanish MEC Grant FPA2005-03993 are also gratefully acknowledged. The development and construction of TIARA were financed by an EPSRC (UK) grant.

FundersFunder number
Engineering and Physical Sciences Research Council
Science and Technology Facilities CouncilST/F012039/1, PP/F001010/1
European Commission506065
Ministerio de Economía y CompetitividadFPA2005-03993

    Keywords

    • Inverse kinematics
    • Nucleon transfer reactions
    • Position sensitive silicon detectors
    • Radioactive beams

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