Coulomb Dissociation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">B</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>and the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Be</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>7</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow><mml:mo>(</mml:mo><mml:mi>p</mml:mi><mml:mo>,</mml:mo><mml:mi>γ</mml:mi><mml:mo>)</mml:mo><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">B</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>Reaction at Low Energies
T. MotobayashiDepartment of Physics, Rikkyo University, 3 Nishi-Ikebukuro, Toshima, Tokyo 171, JapanN. IwasaDepartment of Physics, Rikkyo University, 3 Nishi-Ikebukuro, Toshima, Tokyo 171, JapanYukio AndoDepartment of Physics, Rikkyo University, 3 Nishi-Ikebukuro, Toshima, Tokyo 171, JapanM. KurokawaDepartment of Physics, Rikkyo University, 3 Nishi-Ikebukuro, Toshima, Tokyo 171, JapanHiroyuki MurakamiDepartment of Physics, Rikkyo University, 3 Nishi-Ikebukuro, Toshima, Tokyo 171, JapanJuanfang RuanDepartment of Physics, Rikkyo University, 3 Nishi-Ikebukuro, Toshima, Tokyo 171, JapanS. ShimouraDepartment of Physics, Rikkyo University, 3 Nishi-Ikebukuro, Toshima, Tokyo 171, JapanShoji ShiratoDepartment of Physics, Rikkyo University, 3 Nishi-Ikebukuro, Toshima, Tokyo 171, JapanN. InabeRIKEN (Institute of Physical and Chemical Research), Hirosawa, Wako, Saitama 351-01, JapanM. IshiharaRIKEN (Institute of Physical and Chemical Research), Hirosawa, Wako, Saitama 351-01, JapanT. KuboRIKEN (Institute of Physical and Chemical Research), Hirosawa, Wako, Saitama 351-01, JapanYutaka WatanabeRIKEN (Institute of Physical and Chemical Research), Hirosawa, Wako, Saitama 351-01, JapanM. GaiA. W. Wright Nuclear Structure Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06511R. H. FranceA. W. Wright Nuclear Structure Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06511K. I. HahnA. W. Wright Nuclear Structure Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06511Z. ZhaoA. W. Wright Nuclear Structure Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06511T. NakamuraDepartment of Physics, University of Tokyo, Hongo, Bunkyo, Tokyo 113, JapanT. TeranishiDepartment of Physics, University of Tokyo, Hongo, Bunkyo, Tokyo 113, JapanYasuyuki FutamiThe Institute of Physics, University of Tsukuba, Ibaraki 305, JapanK. FurutakaDepartment of Physics, Tokyo Institute of Technology, O-okayama, Meguro, Tokyo 152, JapanTh. DelbarInstitut de Physique Nucléaire, Université Catholique de Louvain, B-1348 Louvain-la-Neuve, Belgium
1994lv
ABI
Аннотация
The cross section for Coulomb dissociation of $^{8}\mathrm{B}$---the $^{208}\mathrm{Pb}(^{8}\mathrm{B}^{7}\mathrm{Be}p)^{208}\mathrm{Pb}$ reaction---was measured using a $^{8}\mathrm{B}$ radioactive beam of 46.5 MeV/nucleon energy, and the cross section for the $^{7}\mathrm{Be}(p,\ensuremath{\gamma})^{8}\mathrm{B}$ capture reaction was deduced at low energies; ${E}_{\mathrm{c}.\mathrm{m}.}=0.6\ensuremath{-}1.7$ MeV. The extracted astrophysical ${S}_{17}$ factors were found to be consistent with the values measured by Vaughn et al. and Filippone et al. This result encourages further experimental studies extended to lower relative energies for a new determination of the ${S}_{17}$ value relevant to the $^{8}\mathrm{B}$ solar neutrino flux.
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