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

A compact, quasi-4 pi 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 b...

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Detalhes bibliográficos
Autores: Rubio, Berta, Caballero Ontanaya, Luis, Labiche, M., Catford, W.N., Lemmon, R. C., Timis, C. N., Chapman, R., Orr, N.A., Fernández-Domínguez, B., Moores, G., Achouri, N.L., Amzal, N., Appleton, S., Ashwood, N. I., Baldwin, T. D., Burns, M., Cacitti, J., Casadjian, J. M., Chartier, M., Curtis, N., Faiz, K., France, G. de, Freer, M., Gautier, J. M., Gelletly, W., Iltis, G., Lecornu, B., Liang, X., Marry, C., Merrer, Y., Olivier, L., Pain, S.D., Pucknell, V.F.E., Raine, B., Rejmund, M., Saillant, F., Savajols, H., Sorlin, O., Spohr, K. -M., Theisen, Ch., Voltolini, G., Warner, D. D.
Tipo de documento: artigo
Data de publicação:2010
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositório:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/24294
Acesso em linha:http://hdl.handle.net/10261/24294
Access Level:Acceso aberto
Palavra-chave:Position sensitive silicon detectors
Nucleon transfer reactions
Radioactive beams
Inverse kinematics
Descrição
Resumo:A compact, quasi-4 pi 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 gamma-ray array EXOGAM and the spectrometer VAMOS at the GANIL Laboratory to demonstrate the potential of such an apparatus with radioactive beams. The N-14(d,p)N-15 reaction, well known in direct kinematics, has been carried out in inverse kinematics for that purpose. The observation of the N-15 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.

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