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3 results on '"CLARA-PRISMA"'

1. Population of neutron-rich nuclei around 48ca with deep inelastic collisions

Author

Montanari, D., Leoni, S., Benzoni, G., Blasi, N., Bracco, A., Brambilla, S., Camera, F., Corsi, A., Crespi, F. C. L., Million, B., Nicolini, R., Wieland, O., Corradi, L., Angelis, G., Vedova, F. D., Fioretto, E., Gadea, A., Guiot, B., Napoli, D. R., Orlandi, R., Recchia, F., Silvestri, R., Stefanini, A. M., Singh, R. P., Szilner, S., Valiente-Dobón, J. J., Bazzacco, D., Farnea, E., Lenzi, S. M., Lunardi, S., Mason, P., Mengoni, D., Montagnoli, G., Fernando Scarlassara, Ur, C., Lo Bianco, G., Zucchiatti, A., Kmiecik, M., Maj, A., Meczynski, W., and Pollarolo, G.

Subjects
Neutron-rich nuclei, Reacción Inelástica, UNESCO::FÍSICA, UNESCO::FÍSICA::Nucleónica::Física de partículas, Inelastic collision, Neutron-rich nuclei, Reaction products, Semiclassical model, Transfer channel, Angular distribution, Calcium, Reaction products, Canales de transmisión, Semiclassical model, CLARA–PRISMA, Distribuciones angulares, Secciones cruzadas, Modelo semiclásico, Muy corta vida, Inelastic collision, deep inelastic reaction, semiclassical model, closed shell nuceli, FÍSICA [UNESCO], FÍSICA::Nucleónica::Física de partículas [UNESCO], Transfer channel
Abstract

The deep inelastic reaction 48Ca+64Ni at 6 MeV/A has been studied using the CLARA–PRISMA setup. Angular distributions for pure elastic scattering and total cross-sections of the most relevant transfer channels have been measured. The experimental results are compared with predictions from a semiclassical model, showing good agreement for the presently analyzed few neutrons transfer channels. The decay of the most intense reaction products has also been studied, giving indications of the population of states with very short lifetimes. Gadea Raga, Andrés, Gadea.Andres@ific.uv.es

Published
2009

2. Lifetime measurements of excited states in neutron-rich nuclei around 48 Ca

Author

Mengoni, D., Valiente Dobón, J. J., Gadea Raga, Andrés, Farnea, E., Lenzi, S. M., Lunardi, S., Dewald, A., Pissulla, T., Szilner, S., Stefanini, A. M., Broda, R., Recchia, F., Algora, Alejandro, Angus, L., Aydin, S., Bazzacco, D., Benzoni, G., Bizzeti, P.G., Bizzeti Sona, A. M., Boutachkov, P., Corradi, L., Crespi, F., De Angelis, G., Fioretto, E., Görgen, A., Górska, M., Gottardo, A., Grodner, E., Howard, A., Królas, W., Leoni, S., Mason, P., Menegazzo, R., Montanari, D., Montagnoli, G., Napoli, D. R., Obertelli, A., Pawłat, T., Rubio Barroso, Berta, Sahin, E., Scarlassara, F., Smith, J.F., Steppenbeck, D., Ur, Calin A., Wady, P. T., and Wrzesiński, J.

Subjects
Multinucleon transfer reaction, Isotopes, Recoil Distance Doppler Shift, CLARA-PRISMA, FÍSICA [UNESCO], FÍSICA::Nucleónica::Física de partículas [UNESCO], UNESCO::FÍSICA, UNESCO::FÍSICA::Nucleónica::Física de partículas
Abstract

The lifetimes of the first excited states of the N = 30 isotones 50Ca and 51Sc and the Z = 18 isotopes 44−46Ar isotopes have been determined using a novel technique that combines the Recoil Distance Doppler Shift method with the CLARA-PRISMA spectrometers in multinucleon transfer reactions. The results allow determinination of the effective charges above 48Ca and test the strength of the N = 28 magic number when moving away from the stability line. Gadea Raga, Andrés, Gadea.Andres@ific.uv.es ; Algora, Alejandro, Alejandro.Algora@ific.uv.es ; Rubio Barroso, Berta, Berta.Rubio@ific.uv.es

Published
2009

3. The CLARA-PRISMA setup installed al LNL: first results

Author

Gadea, A., Marginean, N., Lenzi, S.M., Corradi, L., Ur, C.A., Farnea, E., de Angelis, G., Napoli, D.R., Steafnini, A.M., Szilner, Suzana, Axiotis, M., Behera, B.R., Latina, A., Rusu, C., Zhimin, W., Bazzacco, D., Beghini, S., Lunardi, S., Montagnoli, G., Menegazzo, R., Scarlassara, F., Della Vedova, F., Nespolo, M., Bracco, A., Camera, F., Leoni, S., Million, B., Pignanelli, M., Pollarolo, G., Trotta, M., Bizzeti, P.G., Bizzeti-Sona, A.M., Curien, D., Medina, P., Chambit, M., Chapman, R., Liang, X., Freeman, S.J., Smith, A., Varley, B.J., Pucknell, V., and Lemmon, R.

Subjects
CLARA-PRISMA, neutron-rich-nuclei
Abstract

CLARA is an array of 25 Clover (EUROBALL type) Ge detectors, placed at the target position of the large acceptance magnetic spectrometer PRISMA. Due to the granularity of the CLARA Ge array (100 crystals), the photopeak efficiency ( 3%) and the PRISMA large acceptance ( 80 msr, and 20% Δ p/p), the setup is an excellent tool to investigate the structure of neutron-rich nuclei, populated in multinucleon transfer reactions and deep inelastic collisions with stable beams. Since March 2004 the setup is fully operational, and since then several experiments have been performed, with beams delivered by the LNL XTU-Tandem and the ALPI linac. In this contribution the preliminary outcome of the first experiments is shown.

Published
2005

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