Direct reaction measurements with a 132Sn radioactive ion beam

K. L. Jones, F. M. Nunes, A. S. Adekola, D. W. Bardayan, J. C. Blackmon, K. Y. Chae, K. A. Chipps, Jolie Cizewski, L. Erikson, C. Harlin, R. Hatarik, R. Kapler, R. L. Kozub, J. F. Liang, R. Livesay, Z. Ma, B. Moazen, C. D. Nesaraja, S. D. Pain, N. P. PattersonD. Shapira, J. F. Shriner, M. S. Smith, T. P. Swan, J. S. Thomas

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Abstract

The (d,p) neutron transfer and (d,d) elastic scattering reactions were measured in inverse kinematics using a radioactive ion beam of 132Sn at 630 MeV. The elastic scattering data were taken in a region where Rutherford scattering dominated the reaction, and nuclear effects account for less than 8% of the elastic scattering cross section. The magnitude of the nuclear effects, in the angular range studied, was found to be independent of the optical potential used, allowing the transfer data to be normalized in a reliable manner. The neutron-transfer reaction populated a previously unmeasured state at 1363 keV, which is most likely the single-particle 3p1/2 state expected above the N=82 shell closure. The data were analyzed using finite-range adiabatic-wave calculations and the results compared with the previous analysis using the distorted-wave Born approximation. Angular distributions for the ground and first-excited states are consistent with the previous tentative spin and parity assignments. Spectroscopic factors extracted from the differential cross sections are similar to those found for the one-neutron states beyond the benchmark doubly magic nucleus 208Pb.

Original languageEnglish (US)
Article number034601
JournalPhysical Review C - Nuclear Physics
Volume84
Issue number3
DOIs
StatePublished - Sep 1 2011

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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    Jones, K. L., Nunes, F. M., Adekola, A. S., Bardayan, D. W., Blackmon, J. C., Chae, K. Y., Chipps, K. A., Cizewski, J., Erikson, L., Harlin, C., Hatarik, R., Kapler, R., Kozub, R. L., Liang, J. F., Livesay, R., Ma, Z., Moazen, B., Nesaraja, C. D., Pain, S. D., ... Thomas, J. S. (2011). Direct reaction measurements with a 132Sn radioactive ion beam. Physical Review C - Nuclear Physics, 84(3), [034601]. https://doi.org/10.1103/PhysRevC.84.034601