Observation of the Capture Reaction<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>(<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>α</mml:mi></mml:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>γ</mml:mi></mml:math>)<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Li</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>6</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>and Its Role in Production of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Li</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>6</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>in the Big Bang
R. G. H. RobertsonCyclotron Laboratory and Physics Department, Michigan State University, East Lansing, Michigan 48824P. DyerCyclotron Laboratory and Physics Department, Michigan State University, East Lansing, Michigan 48824R. A. WarnerCyclotron Laboratory and Physics Department, Michigan State University, East Lansing, Michigan 48824R. C. MelinCyclotron Laboratory and Physics Department, Michigan State University, East Lansing, Michigan 48824T. J. BowlesCyclotron Laboratory and Physics Department, Michigan State University, East Lansing, Michigan 48824A. B. McDonaldCyclotron Laboratory and Physics Department, Michigan State University, East Lansing, Michigan 48824G. C. BallCyclotron Laboratory and Physics Department, Michigan State University, East Lansing, Michigan 48824W.G. DaviesMichigan State UniversityE. D. EarleCyclotron Laboratory and Physics Department, Michigan State University, East Lansing, Michigan 48824
1981lv
ABI
Аннотация
The capture of $\ensuremath{\alpha}$ particles by deuterium has been observed by using a magnetic analysis technique to detect the recoiling $^{6}\mathrm{Li}$ ions. Measurements of the cross section down to 1 MeV in the center-of-mass system can be interpreted accurately in terms of a direct-capture model, and it is found that production of $^{6}\mathrm{Li}$ in the big bang is 5 times smaller than has been assumed.
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