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The capture of electrons by the nucleus $^{7}Be$ from the three-body initialstate $p+e^{-}+^{7}Be$ in the continuum is studied. On the basis of theexpansion of the three-body continuum wave function in the small parameter$\epsilon\approx ({m_e}/{m_p})^{1/2}$ [$m_e$ ($m_p$) is the electron (proton)mass], the role of the protons on the electron capture is considered. Theresults are compared with the traditional treatment of the electron capture bythe nucleus $^{7}Be$. For stars with the density and temperature like in thecentre of the Sun the studied mechanism can make non-negligible contribution tothe capture rate.Comment: 10 pages, 4 figures, 1 table; version published in Phys. Rev. C 75,  034608 (2007

physical review. c. nuclear physics/physical review. c, nuclear physics

Influence of protons on the capture of electrons by<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">Be</mml:mi><mml:mprescripts /><mml:none /><mml:mrow><mml:mn>7</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>in the Sun

Influence of protons on the capture of electrons byBe7in the Sun