Abstract
We present precision measurements of the $^{3}\mathrm{He}+^{4}\mathrm{He}$ $\ensuremath{\rightarrow}$ $^{7}\mathrm{Be}$ reaction in the range ${E}_{\mathrm{c}.\mathrm{m}.}=0.33$ to 1.23 MeV using a small gas cell and detection of both prompt \ensuremath{\gamma} rays and $^{7}\mathrm{Be}$ activity. Our prompt and activity measurements are in good agreement within the experimental uncertainty of several percent. We find $S(0)=0.595\ifmmode\pm\else\textpm\fi{}0.018$ keV b from fits of the Kajino theory to our data. We compare our results with published measurements, and we discuss the consequences for Big Bang Nucleosynthesis and for solar neutrino flux calculations.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
