Cross section and recoil properties of the products from the interaction of 240 MeV $^{12}$C ions with $^{nat}$Ag

Kuen-Bey, Chen ; Yu-Wen, Yu ;
Nucl.Phys.A 569 (1994) 616-628, 1994.
Inspire Record 1389766 DOI 10.17182/hepdata.36561

We have measured the formation cross sections and the recoil properties of the products from the interaction of 240 MeV 12C with natural Ag targets. From the data, we have constructed charge- and mass-distribution curves. With the measured recoil range and forward-to-backward ratios, we deduced the formation mechanisms, and found that the yields in the mass range between A = 40 and A = 70, with a total cross section of 6 ± 1 mb, were mainly formed by the fission process. The yields between A = 70 and A = 130, with a total cross section of 2300 ± 200 mb, were formed by direct reactions in which the target-like transfer reaction products contributed 1000 ± 100 mb and spallation reactions contributed 1306 ± 200 mb.

2 data tables

IN THE TABLE COMMENT: C = CUMULATIVE YIELD, I = INDEPENDENT YIELD, PC = PARTIAL CUMULATIVE YIELD, PI = PARTIAL INDEPENDENT YIELD.

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NUCLEAR REACTIONS OF MEDIUM AND HEAVY TARGET NUCLEI WITH HIGH-ENERGY PROJECTILES: SPALLATION OF Mn-55, Co-59, Ni-nat AND Cu-nat BY 3.65-AGeV C-12 IONS AND 3.65-GeV PROTONS

Kozma, P. ; Tumendemberel, B. ; Chultem, D. ;
Czech.J.Phys. 40 (1990) 29-37, 1990.
Inspire Record 263765 DOI 10.17182/hepdata.39453

Nuclear reactions induced by 3·65 A GeV12C-ions and 3·65 GeV protons on target elements55Mn,59Co,nat Ni andnatCu were investigated by using the foil stack activation technique and Ge(Li) gamma-ray spectroscopy. Charge dispersions and mass-yield distributions of radioactive residues were obtained from the parametrization of measured spallation cross sections. Discussion of results from this and other radiochemical reactions of high-energy protons and12C-ions with complex nuclei is presented in terms of the concepts of limiting fragmentation and factorization.

13 data tables

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