Experimental and theoretical study of the 2H ( d→ ,γ ) 4H e reaction below Ec.m. =60 keV

Details Experimental and theoretical study of the 2H ( d→ ,γ ) 4H e reaction below Ec.m. =60 keV Experimental and theoretical study of the 2H ( d→ ,γ ) 4H e reaction below Ec.m. =60 keV

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004phrvc..70f4601s&link_type=abstract

Physical Review C, vol. 70, Issue 6, id. 064601

Astronomy and Astrophysics

Astrophysics

8

Radiative Capture, Polarization Phenomena In Reactions, Big Bang Nucleosynthesis, Coupled-Channel And Distorted-Wave Models

Scientific paper

New measurements of the analyzing powers Ay and T20 have been obtained for the 2H ( d,γ ) 4H e reaction at a laboratory beam energy of 115 keV . A transition matrix element analysis results in a unique solution which indicates that the reaction proceeds by 55% E2 , 29% E1 , and 16% M2 radiation. These results are shown to be in good agreement with the results of a new refined resonating group model calculation. The impact of these results on the extrapolated value of the astrophysical S factor for this reaction is discussed.

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