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<i>E</i>2 contribution to the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="italic">p</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>8</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:mrow><mml:msup><mml:mrow><mml:mo>+</mml:mo></mml:mrow><mml:mrow><mml:mn>7</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>Be Coulomb dissociation cross section

K. LangankeW. K. Kellogg Radiation Laboratory, 106-38, California Institute of Technology, Pasadena, California 91125T. D. ShoppaW. K. Kellogg Radiation Laboratory, 106-38, California Institute of Technology, Pasadena, California 91125
1994lv
ABI

Annotatsiya

We have calculated the E1 and E2 contributions to the low-energy $^{8}\mathrm{B}$${+}^{208}$Pb\ensuremath{\rightarrow}p${+}^{7}$Be${+}^{208}$Pb Coulomb dissociation cross sections using the kinematics of a recent experiment at RIKEN. Using a potential model description of the $^{7}\mathrm{Be}$(p,\ensuremath{\gamma}${)}^{8}$B reaction, we find that the E2 contributions cannot a priori be ignored in the analysis of the data. Its inclusion reduces the extracted $^{7}\mathrm{Be}$(p,\ensuremath{\gamma}${)}^{8}$B S factor at solar energies by about 25%.

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