Strong two-step contributions in direct allowed two-nucleon transfers

W. W. Daehnick; M. J. Spisak; J. R. Comfort; H. Hafner; H. H. Duhm

doi:10.1103/PhysRevLett.41.639

Strong two-step contributions in direct allowed two-nucleon transfers

W. W. Daehnick, M. J. Spisak, J. R. Comfort, H. Hafner, H. H. Duhm

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

The h92g92 multiplet in Bi210 was populated by Pb208(α,a <FOR VERIFICATION>d) in experiments at 33 and 48 MeV. The strong favoring of the five unnatural-parity states of the multiplet disagrees with one-step transfer distorted-wave Born-approximation predictions. Coupled-reaction-channels calculations explain this effect as interference of direct np transfer and successive stripping amplitudes of comparable magnitude. This holds for weak (low-spin) and strong (high-spin) members of the multiplet.

Original language	English (US)
Pages (from-to)	639-642
Number of pages	4
Journal	Physical Review Letters
Volume	41
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.41.639
State	Published - 1978
Externally published	Yes

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Physics and Astronomy(all)

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10.1103/PhysRevLett.41.639

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abstract = "The h92g92 multiplet in Bi210 was populated by Pb208(α,a <FOR VERIFICATION>d) in experiments at 33 and 48 MeV. The strong favoring of the five unnatural-parity states of the multiplet disagrees with one-step transfer distorted-wave Born-approximation predictions. Coupled-reaction-channels calculations explain this effect as interference of direct np transfer and successive stripping amplitudes of comparable magnitude. This holds for weak (low-spin) and strong (high-spin) members of the multiplet.",

author = "Daehnick, {W. W.} and Spisak, {M. J.} and Comfort, {J. R.} and H. Hafner and Duhm, {H. H.}",

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AU - Daehnick, W. W.

AU - Spisak, M. J.

AU - Comfort, J. R.

AU - Hafner, H.

AU - Duhm, H. H.

PY - 1978

Y1 - 1978

N2 - The h92g92 multiplet in Bi210 was populated by Pb208(α,a <FOR VERIFICATION>d) in experiments at 33 and 48 MeV. The strong favoring of the five unnatural-parity states of the multiplet disagrees with one-step transfer distorted-wave Born-approximation predictions. Coupled-reaction-channels calculations explain this effect as interference of direct np transfer and successive stripping amplitudes of comparable magnitude. This holds for weak (low-spin) and strong (high-spin) members of the multiplet.

AB - The h92g92 multiplet in Bi210 was populated by Pb208(α,a <FOR VERIFICATION>d) in experiments at 33 and 48 MeV. The strong favoring of the five unnatural-parity states of the multiplet disagrees with one-step transfer distorted-wave Born-approximation predictions. Coupled-reaction-channels calculations explain this effect as interference of direct np transfer and successive stripping amplitudes of comparable magnitude. This holds for weak (low-spin) and strong (high-spin) members of the multiplet.

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Strong two-step contributions in direct allowed two-nucleon transfers

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