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

AutorRubio, 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.
Palabras clavePosition sensitive silicon detectors
Nucleon transfer reactions
Radioactive beams
Inverse kinematics
Fecha de publicación11-mar-2010
CitaciónNuclear Instruments and Methods in Physics Research - Section A 614 (3): 439-448 (2010)
ResumenA 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.
Versión del editorhttp://dx.doi.org/ 10.1016/j.nima.2010.01.009
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