The Solar hep Processes in Effective Field Theory
Tae-Sun Park, Kuniharu Kubodera, Dong-Pil Min, Mannque Rho
Abstract
By combining effective field theory with the standard nuclear physics approach (SNPA) we obtain a high-precision estimate of the S factor for the solar hep process. The accurate wave functions available in SNPA are used to evaluate the nuclear matrix elements for the transition operators that result from chiral perturbation theory (ChPT). All the contributions up to 3 in ChPT are included. The resulting parameter-free, error-controlled prediction is: S(hep)=(8.6 1.3)× 10-20 keV-b.
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