High-resolution velocity measurements on fully identified light nuclides produced in 56Fe + hydrogen and 56Fe + titanium systems

Abstract : New experimental results on the kinematics and the residue production are obtained for the interactions of 56Fe projectiles with protons and natTi target nuclei, respectively, at the incident energy of 1 A GeV. The titanium-induced reaction serves as a reference case for multifragmentation. Already in the proton-induced reaction, the characteristics of the isotopic cross sections and the shapes of the velocity spectra of light residues indicate that high thermal energy is deposited in the system during the collision. In the 56Fe + p system the high excitation seems to favor the onset of fast break-up decays dominated by very asymmetric partitions of the disassembling system. This configuration leads to the simultaneous formation of one or more light fragments together with one heavy residue
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Submitted on : Wednesday, February 2, 2005 - 4:39:44 PM
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P. Napolitani, K.-H. Schmidt, A. S. Botvina, F. Rejmund, L. Tassan-Got, et al.. High-resolution velocity measurements on fully identified light nuclides produced in 56Fe + hydrogen and 56Fe + titanium systems. Physical Review C, American Physical Society, 2004, 70, pp.054607-21. ⟨10.1103/PhysRevC.70.054607⟩. ⟨in2p3-00023678⟩

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