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Determining the 12C(α,γ) 16O cross section from Coulomb dissociation

Shoppa, T. D. and Koonin, S. E. (1992) Determining the 12C(α,γ) 16O cross section from Coulomb dissociation. Physical Review C, 46 (1). pp. 382-384. ISSN 0556-2813. doi:10.1103/PhysRevC.46.382.

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We estimate the E1 and E2 contributions to the Coulomb dissociation reaction 16O+Pb→α+12C+Pb using semiclassical Coulomb excitation theory. For projectile energies below 300 MeV/nucleon and scattering angles greater than 1°, we find that the process is dominated by the E2 component. This is in contrast to the astrophysically interesting 12C(α,γ)16O cross section, which is dominated by the E1 multipole at the most effective energy of 300 keV. The E2 sensitivity of Coulomb dissociation would usefully complement forthcoming 16N β-decay data, which will constrain only the E1 component.

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Additional Information:©1992 The American Physical Society. Received 2 January 1992. We are grateful for discussions with C.A. Barnes and B.W. Filippone. This work was supported in part by National Science Foundation Grants No. PHY90-13248 and No. PHY88-17296.
Subject Keywords:ENERGIES; MATRIX
Issue or Number:1
Record Number:CaltechAUTHORS:SHOprc92
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:8725
Deposited By: Tony Diaz
Deposited On:11 Sep 2007
Last Modified:08 Nov 2021 20:52

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