https://doi.org/10.1140/epja/i2014-14170-2
Regular Article - Theoretical Physics
Constraining low-energy proton capture on beryllium-7 through charge radius measurements
1
Department of Fundamental Physics, Chalmers University of Technology, 41296, Gothenburg, Sweden
2
Institut für Kernphysik, Technische Universität Darmstadt, 64289, Darmstadt, Germany
3
ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291, Darmstadt, Germany
4
Physics Division, Argonne National Laboratory, 60439, Argonne, IL, USA
* e-mail: emilr@chalmers.se
Received:
30
June
2014
Revised:
19
September
2014
Accepted:
26
October
2014
Published online:
13
November
2014
In this paper, we point out that a measurement of the charge radius of boron-8 provides indirect access to the S-factor for radiative proton capture on beryllium-7 at low energies. We use leading-order halo effective field theory to explore this correlation and we give a relation between the charge radius and the S-factor. Furthermore, we present important technical aspects relevant to the renormalization of point-like P -wave interactions in the presence of a repulsive Coulomb interaction.
© SIF, Springer-Verlag Berlin Heidelberg, 2014
