Abstract

We present a quasiclassical theory of α decay accompanied by bremsstrahlung with a special emphasis on the case of 210Po, with the aim of finding a unified description that incorporates both the radiation during the tunneling through the Coulomb wall and the finite energy Eγ of the radiated photon up to Eγ~Qα | √/η, where Qα is the α-decay Q-value and η is the Sommerfeld parameter. The corrections with respect to previous quasiclassical investigations are found to be substantial, and excellent agreement with a full quantum mechanical treatment is achieved. Furthermore, we find that a dipole-quadrupole interference significantly changes the α-γ angular correlation. We obtain good agreement between our theoretical predictions and experimental results.

Department(s)

Physics

International Standard Serial Number (ISSN)

0556-2813

Document Type

Article - Journal

Document Version

Final Version

File Type

text

Language(s)

English

Rights

© 2008 American Physical Society (APS), All rights reserved.

Included in

Physics Commons

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