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A multi-element detector array for heavy fragments emitted in intermediate energy nuclear reactions

1993; Elsevier BV; Volume: 325; Issue: 3 Linguagem: Inglês

10.1016/0168-9002(93)90391-t

1872-9576

I. Iori, L. Manduci, A. Moroni, R. Scardaoni, Sun Chongwen, Zhang Yuzhao, Guang-Ming Zhang, F. Giglio, E. Mora, G. Di Pietro, L. Dellera, Alessandro Cortesi, R. Bassini, C. Boiano, S. Brambilla, M. Malatesta, M. Bruno, M. D’Agostino, M. L. Fiandri, E. Fuschini, P. M. Milazzo, G. Busacchi, A. Cunsolo, A. Foti, Concetto Gianino, G. Sava, F. Gramegna, P. Buttazzo, G. V. Margagliotti, G. Vannini, G. Auger, E. Plagnol,

Particle Detector Development and Performance

To investigate complex fragment emission in intermediate energy nucleus-nucleus collisions, an array of three-element telescopes has been constructed. The array is designed to measure energy, charge and emission angles of fragments with Z values from 2 up to the projectile atomic number when studying reactions in reverse kinematics. In this case it has a good efficiency even for events with complex fragment high multiplicity. Each telescope is made of an ionization chamber (filled with CF4 at a pressure up to 300 mbar), a Si detector (500 μm thick, position sensitive in two dimensions) and a CsI(Tl) scintillator with photodiode readout.