Quasi-elastic neutron transfer and pairing effects in the interaction of heavy nuclei View Full Text


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Article Info

DATE

1987-12

AUTHORS

W. von Oertzen, H. G. Bohlen, B. Gebauer, R. Künkel, F. Pühlhofer, D. Scühll

ABSTRACT

Experimental results for neutron transfer in the system112Sn+120Sn are presented for three incident energies 4.25, 4.55 and 4.8 MeV/u. Final states are not resolved, however, the data represent transitions between low-lying states. The data are used to extract transfer probabilities and form factors for neutron transfer between low-lying states. A DWBA analysis gives a quantitative description of the observed overall cross section for one-neutron transfer. The enhancement of the two neutron transfer is discussed using semiclassical arguments; in this context additional data for the systems86Kr+208Pb,58Ni+208Pb,136Xe+238U and208Pb+238U are discussed. The general features of quasielastic transfer probabilities defined in a macroscopic way by an energy resolution of ca. 5–10 MeV, which is so far the only experimental possibility, are shown to give meaningful information on single nucleon and pair transfer between heavy nuclei. The latter point is also supported by coupled channel calculations for the transfer flux in these reactions and it is shown that a strong coupling situation is only reached at distances, where very strong absorption due to deeply inelastic reactions has set in. More... »

PAGES

463-481

References to SciGraph publications

  • 1971-02. Josephson effect in nuclear reactions in ZEITSCHRIFT FÜR PHYSIK A HADRONS AND NUCLEI
  • 1980-06. How and why to measure the overlap of nuclei in heavy-ion collisions in ZEITSCHRIFT FÜR PHYSIK A HADRONS AND NUCLEI
  • 1982-06. Proton transfer in quasi-elastic and deep-inelastic reactions in the systems86Kr on88Sr,90Zr and92Mo at energies close to the coulomb barrier in ZEITSCHRIFT FÜR PHYSIK A HADRONS AND NUCLEI
  • 1983-09. Pairing effects in quasi-elastic neutron transfer between Tin isotopes in ZEITSCHRIFT FÜR PHYSIK A HADRONS AND NUCLEI
  • 1985-03. Justification for the replacement of several coupled channels at a finite excitation energy by a single effective one in ZEITSCHRIFT FÜR PHYSIK A HADRONS AND NUCLEI
  • 1979-06. Sub-Coulomb transfer and fission in collisions of129Xe,132Xe and136Xe with238U in ZEITSCHRIFT FÜR PHYSIK A HADRONS AND NUCLEI
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf01289551

    DOI

    http://dx.doi.org/10.1007/bf01289551

    DIMENSIONS

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