Elsevier

Nuclear Physics A

Volume 420, Issue 2, 28 May 1984, Pages 320-350
Nuclear Physics A

Reaction mechanism and spin information in the sequential breakup of 18O at 82 MeV

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Abstract

The α-decays of states in 18O have been studied in the sequential breakup reaction 12C(18O, 18O14C α) at 82MeV. Double-differential cross sections have been obtained for the states excited in 18O. A conventional analysis of the decay correlations does not yield unambiguous information on the spins of the states excited. However a systematic dependence of the correlations on the angle of the 18O in the c.m. frame is observed, allowing the determination of the transferred angular momentum. The double-differential cross sections have been analysed with the DWBA and a strong absorption model. The latter allows the extraction of quantitative information on spins and reaction mechanism from the data.

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    Present address: VEC Project, TIFR Group, Bidhan Nagar, Calcutta, India.

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