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Published September 1, 1987 | public
Journal Article Open

Importance of the deuteron quadrupole moment in 2H(d,γ)4He


We present a phenomenological study of the 2H(d,γ) 4He reaction that allows for the D-state component of the colliding deuterons. The low-energy cross section is determined by an interference between E2 transitions from an initial 5S2 scattering state to either the D- or S-state components of 4He, the latter via the internal quadrupole moment of the deuteron. From a fit to the data, we determine the asymptotic D/S ratio of 4He to be ρ∼-0.40.

Additional Information

© 1987 by The American Physical Society. Received 17 April 1987. We acknowledge many fruitful discussions with Prof. C.A. Barnes. This work was supported in part by National Science Foundation under Grants PHYS 86-04197 and PHY 85-05682.


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