WIDE-ANGLE α-t COINCIDENCE MEASUREMENT IN THE BREAKUP OF 7Li ON 27Al

We have performed wide-angle in-plane coincidence measurements of the alpha particles and tritons emitted in the 48-MeV 7Li projectile breakup reaction on 27Al. The data have been analyzed using the post-form distorted-wave Born-approximation (DWBA) theory of breakup reactions where Coulomb and nuclear breakup as well as their interference terms are included. The theory is able to provide a good description of the experimental data particularly at large relative angles between the fragments. The interference between the Coulomb and nuclear breakup modes is found to be significant.

[1]  H. Mabuchi,et al.  Strongly-suppressed post-Coulomb acceleration in non-resonant breakup of 7Li , 1998 .

[2]  B. Roy,et al.  Wide-angle measurement of 48 MeV 6Li projectile fragmentation on 197Au , 1996 .

[3]  I. Tanihata.  Neutron halo nuclei , 1996 .

[4]  Gao,et al.  Effect of Doppler broadening on optical gain without inversion in a four-level model. , 1995, Physical review. A, Atomic, molecular, and optical physics.

[5]  P. Banerjee,et al.  Angular distributions of neutrons emitted in the fragmentation reactions of 11Be , 1993 .

[6]  P. Banerjee,et al.  Coulomb and nuclear effects in the fragmentation of exotic nuclei , 1993 .

[7]  H. Utsunomiya,et al.  Continuous distribution of αt relative kinetic energies in 7Li breakup reactions , 1990 .

[8]  Srivastava,et al.  Interference and off-shell effects of fragment scattering in elastic breakup of light ions. , 1989, Physical review letters.

[9]  G. Goldbeck-Wood,et al.  Numerical simulation of dendritic growth. , 1988, Physical review. A, General physics.

[10]  C. Ogilvie,et al.  Elastic scattering of 36 MeV tritons , 1986 .

[11]  D. Trautmann,et al.  Fragmentation processes in nuclear reactions , 1984 .

[12]  E. Aarts,et al.  REACTION-MECHANISMS IN HE-3 PROJECTILE BREAKUP AT 52 MEV ON C-12, SI-28 AND NI-58 , 1984 .

[13]  L. Dennis,et al.  Projectile breakup and total reaction strengths in Li-induced reactions , 1982 .

[14]  N. Matsuoka,et al.  Proton-neutron correlation in the deuteron breakup at 56 MeV and prior-form DWBA analysis , 1982 .

[15]  H. Fuchs.  On cross section transformations in reactions with three outgoing fragments , 1982 .

[16]  H. J. Gils,et al.  Inclusive break-up reactions of 6Li at an incident energy of 26 MeV/nucleon , 1982 .

[17]  J. Wouters,et al.  Observation of the direct and sequential breakup of /sup 7/Li from /sup 12/C and /sup 208/Pb targets at 70 MeV , 1981 .

[18]  A. Shotter.  OBSERVATION OF THE DIRECT AND SEQUENTIAL BREAKUP OF 7Li FROM 12C AND 208Pb TARGETS AT 70 MeV , 1980 .

[19]  D. Trautmann,et al.  Experimental and theoretical study of continuous proton spectra from high-energy deuteron induced reactions , 1980 .

[20]  R. D. Knight,et al.  Radiative lifetime of metastable 2 3 S 1 Li , 1980 .

[21]  H. Gemmeke,et al.  Three-particle correlations from208Pb+6Li , 1974 .

[22]  K. Meier-Ewert,et al.  Disintegration of 6 Li , 1967 .

[23]  G. G. Ohlsen.  Kinematic relations in reactions of the form A+B→C+D+E , 1965 .